/**
 * ██╗  ██╗██████╗  █████╗ ███╗   ██╗██╗██╗   ██╗███╗   ███╗
 * ██║ ██╔╝██╔══██╗██╔══██╗████╗  ██║██║██║   ██║████╗ ████║
 * █████╔╝ ██████╔╝███████║██╔██╗ ██║██║██║   ██║██╔████╔██║
 * ██╔═██╗ ██╔══██╗██╔══██║██║╚██╗██║██║██║   ██║██║╚██╔╝██║
 * ██║  ██╗██║  ██║██║  ██║██║ ╚████║██║╚██████╔╝██║ ╚═╝ ██║
 * ╚═╝  ╚═╝╚═╝  ╚═╝╚═╝  ╚═╝╚═╝  ╚═══╝╚═╝ ╚═════╝ ╚═╝     ╚═╝
 *
 * Nova UI — A Modern Dark-Themed CSS Library
 * Version 2.0.0
 *
 * Table of Contents:
 *   1.  Reset & Variables
 *   2.  Typography
 *   3.  Layout & Grid
 *   4.  Buttons
 *   5.  Cards
 *   6.  Forms & Inputs
 *   7.  Badges & Tags
 *   8.  Tables
 *   9.  Alerts & Toasts
 *   10. Navigation & Sidebar
 *   11. Tabs & Segmented Control
 *   12. Modals & Dialogs
 *   13. Dropdown & Menus
 *   14. Avatar & User
 *   15. Code & Diff (Git)
 *   16. File Tree
 *   17. Timeline & Activity Feed
 *   18. Progress & Stats
 *   19. Mail / Inbox Components
 *   20. Portfolio / Hero Components
 *   21. Breadcrumb & Pagination
 *   22. Tooltip
 *   23. Skeleton Loader
 *   24. Divider
 *   25. Chips & Pill Groups
 *   26. Utility Classes
 *   27. Video Player
 */

/* ==========================================================================
   1. RESET & VARIABLES
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* --- Background Layers --- */
  --k-bg-deep:        #0d0d12;
  --k-bg-surface:     #010101;
  --k-bg-card:        #1b1b1b;
  --k-bg-card-hover:  #252525;
  --k-bg-elevated:    #222230;

  /* --- Borders --- */
  --k-border:         #2a2a3a;
  --k-border-light:   #38384e;
  --k-border-strong:  #55556a;

  /* --- Accent / Brand --- */
  --k-accent:         #555555;
  --k-accent-mid:     #666666;
  --k-accent-light:   #777777;
  --k-accent-bright:  #888888;
  --k-accent-dim:     rgba(136, 136, 136, 0.18);
  --k-accent-glow:    0 0 18px #888888;

  /* --- Semantic Colors --- */
  --k-success:        #888888;
  --k-success-dim:    rgba(136, 136, 136, 0.15);
  --k-success-glow:   0 0 12px rgba(136, 136, 136, 0.4);

  --k-warning:        #777777;
  --k-warning-dim:    rgba(119, 119, 119, 0.15);

  --k-danger:         #999999;
  --k-danger-dim:     rgba(153, 153, 153, 0.15);
  --k-danger-glow:    0 0 12px rgba(153, 153, 153, 0.4);

  --k-info:           #777777;
  --k-info-dim:       rgba(119, 119, 119, 0.15);

  /* --- Diff / Git Colors --- */
  --k-diff-add:       rgba(136, 136, 136, 0.12);
  --k-diff-add-bar:   #888888;
  --k-diff-del:       rgba(153, 153, 153, 0.12);
  --k-diff-del-bar:   #999999;
  --k-diff-ctx:       transparent;

  /* --- Typography --- */
  --k-text-primary:   #eeeef8;
  --k-text-secondary: #8888aa;
  --k-text-muted:     #50506a;
  --k-font-sans:      -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --k-font-mono:      "JetBrains Mono", "Fira Code", "Cascadia Code", "Consolas", monospace;

  /* --- Sizing --- */
  --k-radius-xs:   4px;
  --k-radius-sm:   6px;
  --k-radius:      10px;
  --k-radius-lg:   16px;
  --k-radius-xl:   24px;
  --k-radius-full: 9999px;

  /* --- Shadows --- */
  --k-shadow-sm:   0 2px 10px rgba(0,0,0,0.35);
  --k-shadow-md:   0 4px 24px rgba(0,0,0,0.5);
  --k-shadow-lg:   0 8px 48px rgba(0,0,0,0.65);

  /* --- Animation --- */
  --k-transition:  160ms ease;
  --k-transition-slow: 300ms ease;

  /* --- Sidebar width --- */
  --k-sidebar-w:   260px;
}

html { font-size: 15px; }

body {
  background: var(--k-bg-deep);
  color: var(--k-text-primary);
  font-family: var(--k-font-sans);
  line-height: 1.5;
  min-height: 100vh;
}

/* Custom Scrollbar */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--k-bg-deep); }
::-webkit-scrollbar-thumb { background: var(--k-border-light); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--k-accent-bright); }


/* ==========================================================================
   2. TYPOGRAPHY
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
  color: var(--k-text-primary);
  font-weight: 700;
  margin-bottom: 0.5em;
  letter-spacing: -0.02em;
  line-height: 1.2;
}
h1 { font-size: 2.4rem; }
h2 { font-size: 1.8rem; }
h3 { font-size: 1.4rem; }
h4 { font-size: 1.15rem; }
h5 { font-size: 1rem; }
h6 { font-size: 0.9rem; }

p { color: var(--k-text-secondary); margin-bottom: 1rem; }
a { color: var(--k-accent-bright); text-decoration: none; transition: color var(--k-transition); }
a:hover { color: var(--k-text-primary); }

small, .k-text-sm { font-size: 0.8rem; color: var(--k-text-muted); }

code {
  font-family: var(--k-font-mono);
  font-size: 0.85em;
  background: var(--k-bg-elevated);
  color: var(--k-accent-bright);
  padding: 2px 7px;
  border-radius: var(--k-radius-sm);
  border: 1px solid var(--k-border);
}

pre {
  font-family: var(--k-font-mono);
  background: var(--k-bg-deep);
  border: 1px solid var(--k-border);
  border-radius: var(--k-radius);
  padding: 20px;
  overflow-x: auto;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--k-text-primary);
}

pre code {
  background: none;
  border: none;
  padding: 0;
  font-size: inherit;
  color: inherit;
}

blockquote {
  border-left: 3px solid var(--k-accent-bright);
  padding: 10px 20px;
  margin: 16px 0;
  color: var(--k-text-secondary);
  font-style: italic;
  background: var(--k-accent-dim);
  border-radius: 0 var(--k-radius-sm) var(--k-radius-sm) 0;
}

/* Display / Hero text */
.k-display { font-size: clamp(2.5rem, 6vw, 5rem); font-weight: 800; letter-spacing: -0.04em; line-height: 1; }
.k-headline { font-size: clamp(1.6rem, 3vw, 2.6rem); font-weight: 700; letter-spacing: -0.03em; }
.k-lead { font-size: 1.15rem; color: var(--k-text-secondary); line-height: 1.7; }

.k-gradient-text {
  background: linear-gradient(135deg, var(--k-accent-bright), var(--k-info));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}


/* ==========================================================================
   3. LAYOUT & GRID
   ========================================================================== */
.k-container    { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
.k-container-sm { max-width: 720px;  margin: 0 auto; padding: 0 24px; }
.k-container-lg { max-width: 1600px; margin: 0 auto; padding: 0 24px; }

.k-grid          { display: grid; gap: 24px; }
.k-grid-cols-2   { grid-template-columns: repeat(2, 1fr); }
.k-grid-cols-3   { grid-template-columns: repeat(3, 1fr); }
.k-grid-cols-4   { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }
.k-grid-cols-12  { grid-template-columns: repeat(12, 1fr); }

.k-col-span-2  { grid-column: span 2; }
.k-col-span-3  { grid-column: span 3; }
.k-col-span-4  { grid-column: span 4; }
.k-col-span-6  { grid-column: span 6; }
.k-col-span-8  { grid-column: span 8; }
.k-col-span-12 { grid-column: span 12; }

/* App Shell Layout */
.k-app-shell {
  display: flex;
  min-height: 100vh;
}

.k-main-content {
  flex: 1;
  min-width: 0;
  overflow-y: auto;
}

.k-page {
  padding: 32px 40px;
}

@media (max-width: 768px) {
  .k-grid-cols-2, .k-grid-cols-3 { grid-template-columns: 1fr; }
  .k-page { padding: 20px 16px; }
  .k-col-span-2, .k-col-span-3, .k-col-span-4,
  .k-col-span-6, .k-col-span-8 { grid-column: span 12; }
}


/* ==========================================================================
   4. BUTTONS
   ========================================================================== */
.k-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 20px; border: none; border-radius: var(--k-radius);
  font-size: 0.9rem; font-weight: 600; cursor: pointer;
  transition: all var(--k-transition); font-family: inherit;
  white-space: nowrap; user-select: none;
}
.k-btn:disabled { opacity: 0.45; cursor: not-allowed; pointer-events: none; }

/* Variants */
.k-btn-primary   { background: var(--k-accent-mid); color: #fff; box-shadow: var(--k-accent-glow); }
.k-btn-primary:hover { background: var(--k-accent-light); transform: translateY(-1px); }

.k-btn-secondary { background: var(--k-bg-card-hover); color: var(--k-text-primary); border: 1px solid var(--k-border); }
.k-btn-secondary:hover { border-color: var(--k-border-light); background: var(--k-bg-elevated); }

.k-btn-ghost  { background: transparent; color: var(--k-text-secondary); }
.k-btn-ghost:hover { background: var(--k-bg-card-hover); color: var(--k-text-primary); }

.k-btn-danger { background: var(--k-danger-dim); color: var(--k-danger); border: 1px solid var(--k-danger); }
.k-btn-danger:hover { background: var(--k-danger); color: #fff; }

.k-btn-success { background: var(--k-success-dim); color: var(--k-success); border: 1px solid var(--k-success); }
.k-btn-success:hover { background: var(--k-success); color: #fff; }

.k-btn-outline { background: transparent; color: var(--k-accent-bright); border: 1px solid var(--k-accent-bright); }
.k-btn-outline:hover { background: var(--k-accent-dim); }

/* Sizes */
.k-btn-xs  { padding: 4px 10px; font-size: 0.75rem; border-radius: var(--k-radius-sm); }
.k-btn-sm  { padding: 7px 14px; font-size: 0.82rem; }
.k-btn-lg  { padding: 13px 28px; font-size: 1rem; border-radius: var(--k-radius-lg); }
.k-btn-xl  { padding: 16px 36px; font-size: 1.1rem; border-radius: var(--k-radius-lg); }
.k-btn-block { width: 100%; }
.k-btn-icon { padding: 9px; width: 38px; height: 38px; }
.k-btn-icon-sm { padding: 6px; width: 30px; height: 30px; }

/* Button group */
.k-btn-group {
  display: inline-flex;
}
.k-btn-group .k-btn {
  border-radius: 0;
}
.k-btn-group .k-btn:first-child { border-radius: var(--k-radius) 0 0 var(--k-radius); }
.k-btn-group .k-btn:last-child  { border-radius: 0 var(--k-radius) var(--k-radius) 0; }
.k-btn-group .k-btn + .k-btn    { border-left: 1px solid var(--k-border); }


/* ==========================================================================
   5. CARDS
   ========================================================================== */
.k-card {
  background: var(--k-bg-card);
  border: 1px solid var(--k-border);
  border-radius: var(--k-radius-lg);
  padding: 24px;
  box-shadow: var(--k-shadow-sm);
  transition: border-color var(--k-transition), transform var(--k-transition), box-shadow var(--k-transition);
}
.k-card-interactive:hover {
  border-color: var(--k-accent-bright);
  transform: translateY(-2px);
  box-shadow: var(--k-shadow-md);
}
.k-card-glow:hover {
  box-shadow: var(--k-accent-glow), var(--k-shadow-md);
}
.k-card-header {
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--k-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.k-card-title  { font-size: 1.05rem; font-weight: 600; margin: 0; }
.k-card-footer {
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--k-border);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}

/* Card variants */
.k-card-sm  { padding: 16px; border-radius: var(--k-radius); }
.k-card-flat { border: none; background: var(--k-bg-elevated); }
.k-card-accent { border-color: var(--k-accent-bright); border-left: 3px solid var(--k-accent-bright); }
.k-card-success { border-color: var(--k-success); border-left: 3px solid var(--k-success); }
.k-card-danger  { border-color: var(--k-danger); border-left: 3px solid var(--k-danger); }

/* Stat card */
.k-stat-card { display: flex; flex-direction: column; gap: 6px; }
.k-stat-value { font-size: 2rem; font-weight: 800; color: var(--k-text-primary); letter-spacing: -0.03em; }
.k-stat-label { font-size: 0.8rem; color: var(--k-text-muted); text-transform: uppercase; letter-spacing: 0.5px; font-weight: 600; }
.k-stat-delta { font-size: 0.82rem; font-weight: 600; }
.k-stat-delta.up   { color: var(--k-success); }
.k-stat-delta.down { color: var(--k-danger); }


/* ==========================================================================
   6. FORMS & INPUTS
   ========================================================================== */
.k-form-group  { margin-bottom: 16px; }
.k-form-row    { display: grid; gap: 16px; grid-template-columns: 1fr 1fr; }
.k-label       { display: block; font-size: 0.82rem; font-weight: 600; color: var(--k-text-secondary); margin-bottom: 6px; }
.k-label-required::after { content: " *"; color: var(--k-danger); }
.k-hint        { font-size: 0.78rem; color: var(--k-text-muted); margin-top: 5px; }
.k-error-msg   { font-size: 0.78rem; color: var(--k-danger); margin-top: 5px; }

.k-input, .k-select, .k-textarea {
  width: 100%;
  background: var(--k-bg-deep);
  color: var(--k-text-primary);
  border: 1px solid var(--k-border);
  border-radius: var(--k-radius);
  padding: 10px 14px;
  font-size: 0.9rem;
  font-family: inherit;
  transition: border-color var(--k-transition), box-shadow var(--k-transition);
  outline: none;
}
.k-input:focus, .k-select:focus, .k-textarea:focus {
  border-color: var(--k-accent-bright);
  box-shadow: 0 0 0 3px var(--k-accent-dim);
}
.k-input.k-error  { border-color: var(--k-danger); }
.k-input.k-error:focus { box-shadow: 0 0 0 3px var(--k-danger-dim); }
.k-input::placeholder { color: var(--k-text-muted); }

.k-textarea { resize: vertical; min-height: 120px; }
.k-select   { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%2350506a' d='M6 8L0 0h12z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 38px; cursor: pointer; }

/* Input with prefix/suffix */
.k-input-group {
  display: flex;
  align-items: stretch;
}
.k-input-group .k-input {
  border-radius: 0;
  flex: 1;
}
.k-input-group .k-input:first-child { border-radius: var(--k-radius) 0 0 var(--k-radius); }
.k-input-group .k-input:last-child  { border-radius: 0 var(--k-radius) var(--k-radius) 0; }
.k-input-affix {
  display: inline-flex; align-items: center; padding: 0 12px;
  background: var(--k-bg-elevated); border: 1px solid var(--k-border);
  color: var(--k-text-muted); font-size: 0.85rem; white-space: nowrap;
}
.k-input-affix:first-child { border-right: none; border-radius: var(--k-radius) 0 0 var(--k-radius); }
.k-input-affix:last-child  { border-left: none;  border-radius: 0 var(--k-radius) var(--k-radius) 0; }

/* Search input */
.k-search-wrap { position: relative; }
.k-search-wrap .k-input { padding-left: 38px; }
.k-search-icon {
  position: absolute; left: 12px; top: 50%; transform: translateY(-50%);
  color: var(--k-text-muted); pointer-events: none;
}

/* Checkbox & Radio */
.k-check, .k-radio {
  display: inline-flex; align-items: center; gap: 8px;
  cursor: pointer; user-select: none; font-size: 0.9rem; color: var(--k-text-primary);
}
.k-check input[type="checkbox"],
.k-radio input[type="radio"] {
  width: 16px; height: 16px;
  accent-color: var(--k-accent-bright);
  cursor: pointer;
}

/* Toggle Switch */
.k-toggle {
  display: inline-flex; align-items: center; gap: 10px; cursor: pointer;
}
.k-toggle input { display: none; }
.k-toggle-track {
  width: 44px; height: 24px;
  background: var(--k-bg-elevated);
  border: 1px solid var(--k-border);
  border-radius: var(--k-radius-full);
  position: relative;
  transition: background var(--k-transition), border-color var(--k-transition);
}
.k-toggle-track::after {
  content: '';
  width: 18px; height: 18px;
  background: var(--k-text-muted);
  border-radius: 50%;
  position: absolute; top: 2px; left: 2px;
  transition: transform var(--k-transition), background var(--k-transition);
}
.k-toggle input:checked + .k-toggle-track {
  background: var(--k-accent-mid);
  border-color: var(--k-accent-bright);
}
.k-toggle input:checked + .k-toggle-track::after {
  transform: translateX(20px);
  background: #fff;
}


/* ==========================================================================
   7. BADGES & TAGS
   ========================================================================== */
.k-badge {
  display: inline-flex; align-items: center;
  padding: 3px 9px;
  border-radius: var(--k-radius-full);
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.5px;
  white-space: nowrap;
}
.k-badge-dot::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: currentColor;
  margin-right: 5px;
  display: inline-block;
}

.k-badge-accent   { background: var(--k-accent-dim);    color: var(--k-accent-bright); }
.k-badge-success  { background: var(--k-success-dim);   color: var(--k-success); }
.k-badge-warning  { background: var(--k-warning-dim);   color: var(--k-warning); }
.k-badge-danger   { background: var(--k-danger-dim);    color: var(--k-danger); }
.k-badge-info     { background: var(--k-info-dim);      color: var(--k-info); }
.k-badge-muted    { background: var(--k-bg-elevated);   color: var(--k-text-muted); border: 1px solid var(--k-border); }
.k-badge-outline  { background: transparent; border: 1px solid currentColor; }

/* Tags — slightly larger, deletable */
.k-tag {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 4px 10px; border-radius: var(--k-radius-sm);
  font-size: 0.8rem; font-weight: 500;
  background: var(--k-bg-elevated);
  color: var(--k-text-secondary);
  border: 1px solid var(--k-border);
  transition: all var(--k-transition);
}
.k-tag:hover  { border-color: var(--k-border-light); color: var(--k-text-primary); }
.k-tag-close  {
  cursor: pointer; color: var(--k-text-muted); font-size: 0.9rem; line-height: 1;
  transition: color var(--k-transition);
}
.k-tag-close:hover { color: var(--k-danger); }

/* Notification dot */
.k-badge-notif {
  position: absolute; top: -3px; right: -3px;
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--k-danger);
  border: 2px solid var(--k-bg-deep);
}


/* ==========================================================================
   8. TABLES
   ========================================================================== */
.k-table-wrapper {
  overflow-x: auto;
  background: var(--k-bg-card);
  border-radius: var(--k-radius-lg);
  border: 1px solid var(--k-border);
}
.k-table { width: 100%; border-collapse: collapse; text-align: left; }
.k-table th {
  padding: 13px 20px;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  font-weight: 700;
  color: var(--k-text-muted);
  border-bottom: 1px solid var(--k-border);
  white-space: nowrap;
  background: var(--k-bg-deep);
}
.k-table td {
  padding: 13px 20px;
  color: var(--k-text-primary);
  border-bottom: 1px solid var(--k-border);
  font-size: 0.875rem;
  vertical-align: middle;
}
.k-table tr:last-child td { border-bottom: none; }
.k-table tbody tr { transition: background var(--k-transition); }
.k-table tbody tr:hover { background: var(--k-bg-card-hover); }
.k-table-fixed { table-layout: fixed; }

/* Sortable headers */
.k-table th[data-sort] { cursor: pointer; user-select: none; }
.k-table th[data-sort]:hover { color: var(--k-text-primary); }
.k-table th[data-sort]::after { content: ' ↕'; opacity: 0.4; font-size: 0.7rem; }
.k-table th[data-sort="asc"]::after  { content: ' ↑'; opacity: 1; color: var(--k-accent-bright); }
.k-table th[data-sort="desc"]::after { content: ' ↓'; opacity: 1; color: var(--k-accent-bright); }


/* ==========================================================================
   9. ALERTS & TOASTS
   ========================================================================== */
.k-alert {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 14px 18px;
  border-radius: var(--k-radius);
  margin-bottom: 16px;
  font-size: 0.875rem; font-weight: 500;
  border: 1px solid transparent;
}
.k-alert-icon { font-size: 1rem; flex-shrink: 0; margin-top: 1px; }
.k-alert-title { font-weight: 700; margin-bottom: 2px; }
.k-alert-body { color: inherit; opacity: 0.85; }

.k-alert-info    { background: var(--k-info-dim);    color: var(--k-info);    border-color: rgba(119, 119, 119, 0.4); }
.k-alert-warning { background: var(--k-warning-dim); color: var(--k-warning); border-color: rgba(119, 119, 119, 0.4); }
.k-alert-danger  { background: var(--k-danger-dim);  color: var(--k-danger);  border-color: rgba(153, 153, 153, 0.4); }
.k-alert-success { background: var(--k-success-dim); color: var(--k-success); border-color: rgba(136, 136, 136, 0.4); }

/* Toast / Snackbar */
.k-toast-container {
  position: fixed; bottom: 24px; right: 24px;
  display: flex; flex-direction: column; gap: 10px;
  z-index: 9999;
}
.k-toast {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 18px;
  background: var(--k-bg-elevated);
  border: 1px solid var(--k-border-light);
  border-radius: var(--k-radius);
  box-shadow: var(--k-shadow-md);
  min-width: 280px; max-width: 400px;
  font-size: 0.875rem; font-weight: 500;
  color: var(--k-text-primary);
  animation: k-slide-in-right 0.2s ease;
}
.k-toast-success { border-left: 3px solid var(--k-success); }
.k-toast-danger  { border-left: 3px solid var(--k-danger); }
.k-toast-info    { border-left: 3px solid var(--k-info); }
.k-toast-warning { border-left: 3px solid var(--k-warning); }

@keyframes k-slide-in-right {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: translateX(0); }
}


/* ==========================================================================
   10. NAVIGATION & SIDEBAR
   ========================================================================== */

/* Topbar */
.k-topbar {
  height: 56px;
  background: var(--k-bg-surface);
  border-bottom: 1px solid var(--k-border);
  display: flex; align-items: center;
  padding: 0 20px;
  gap: 16px;
  position: sticky; top: 0; z-index: 100;
}
.k-topbar-brand {
  font-weight: 800; font-size: 1rem;
  color: var(--k-text-primary);
  letter-spacing: -0.02em;
  display: flex; align-items: center; gap: 8px;
}
.k-topbar-nav {
  display: flex; align-items: center; gap: 4px; margin-left: 8px;
}
.k-topbar-nav a {
  padding: 6px 12px;
  font-size: 0.875rem; font-weight: 500;
  color: var(--k-text-secondary);
  border-radius: var(--k-radius-sm);
  transition: all var(--k-transition);
}
.k-topbar-nav a:hover, .k-topbar-nav a.active {
  color: var(--k-text-primary);
  background: var(--k-bg-card);
}
.k-topbar-spacer { flex: 1; }
.k-topbar-actions { display: flex; align-items: center; gap: 8px; }

/* Sidebar */
.k-sidebar {
  width: var(--k-sidebar-w);
  flex-shrink: 0;
  background: var(--k-bg-surface);
  border-right: 1px solid var(--k-border);
  display: flex; flex-direction: column;
  height: 100vh;
  position: sticky; top: 0;
  overflow-y: auto;
}
.k-sidebar-header {
  padding: 20px 16px 12px;
  border-bottom: 1px solid var(--k-border);
}
.k-sidebar-section { padding: 8px; }
.k-sidebar-section-label {
  font-size: 0.7rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 1px;
  color: var(--k-text-muted);
  padding: 8px 8px 4px;
}
.k-sidebar-item {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 10px;
  border-radius: var(--k-radius-sm);
  font-size: 0.875rem; font-weight: 500;
  color: var(--k-text-secondary);
  cursor: pointer;
  transition: all var(--k-transition);
  text-decoration: none;
  user-select: none;
}
.k-sidebar-item:hover {
  background: var(--k-bg-card);
  color: var(--k-text-primary);
}
.k-sidebar-item.active {
  background: var(--k-accent-dim);
  color: var(--k-accent-bright);
}
.k-sidebar-item .k-sidebar-badge {
  margin-left: auto;
  font-size: 0.7rem; font-weight: 700;
  background: var(--k-bg-elevated);
  color: var(--k-text-muted);
  padding: 2px 7px;
  border-radius: var(--k-radius-full);
}
.k-sidebar-item.active .k-sidebar-badge {
  background: var(--k-accent-dim);
  color: var(--k-accent-bright);
}
.k-sidebar-footer {
  margin-top: auto;
  padding: 12px;
  border-top: 1px solid var(--k-border);
}

/* Sub-navigation (horizontal repo tabs etc) */
.k-sub-nav {
  display: flex; gap: 2px;
  padding: 0 24px;
  border-bottom: 1px solid var(--k-border);
  background: var(--k-bg-surface);
  overflow-x: auto;
}
.k-sub-nav a {
  padding: 11px 16px;
  font-size: 0.875rem; font-weight: 500;
  color: var(--k-text-secondary);
  border-bottom: 2px solid transparent;
  transition: all var(--k-transition);
  white-space: nowrap;
  display: flex; align-items: center; gap: 6px;
}
.k-sub-nav a:hover { color: var(--k-text-primary); }
.k-sub-nav a.active { color: var(--k-text-primary); border-bottom-color: var(--k-accent-bright); }


/* ==========================================================================
   11. TABS & SEGMENTED CONTROL
   ========================================================================== */
.k-tabs {
  display: flex; gap: 4px;
  border-bottom: 1px solid var(--k-border);
  margin-bottom: 20px;
}
.k-tab {
  padding: 10px 18px;
  font-size: 0.875rem; font-weight: 500;
  color: var(--k-text-secondary);
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: all var(--k-transition);
  display: flex; align-items: center; gap: 6px;
}
.k-tab:hover { color: var(--k-text-primary); }
.k-tab.active { color: var(--k-accent-bright); border-bottom-color: var(--k-accent-bright); }

.k-tab-panels .k-tab-panel { display: none; }
.k-tab-panels .k-tab-panel.active { display: block; }

/* Segmented control (pill-style) */
.k-segmented {
  display: inline-flex;
  background: var(--k-bg-elevated);
  border: 1px solid var(--k-border);
  border-radius: var(--k-radius);
  padding: 3px;
  gap: 2px;
}
.k-segmented-item {
  padding: 6px 14px;
  font-size: 0.82rem; font-weight: 600;
  color: var(--k-text-secondary);
  border-radius: var(--k-radius-sm);
  cursor: pointer;
  transition: all var(--k-transition);
  user-select: none;
}
.k-segmented-item:hover { color: var(--k-text-primary); }
.k-segmented-item.active {
  background: var(--k-bg-card-hover);
  color: var(--k-text-primary);
  box-shadow: var(--k-shadow-sm);
}


/* ==========================================================================
   12. MODALS & DIALOGS
   ========================================================================== */
.k-modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.65);
  display: flex; align-items: center; justify-content: center;
  z-index: 1000;
  backdrop-filter: blur(3px);
  padding: 16px;
  animation: k-fade-in 0.15s ease;
}
.k-modal {
  background: var(--k-bg-card);
  border: 1px solid var(--k-border-light);
  border-radius: var(--k-radius-xl);
  box-shadow: var(--k-shadow-lg);
  width: 100%; max-width: 540px;
  max-height: 90vh;
  display: flex; flex-direction: column;
  animation: k-slide-up 0.2s ease;
}
.k-modal-sm { max-width: 380px; }
.k-modal-lg { max-width: 720px; }
.k-modal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 24px 16px;
  border-bottom: 1px solid var(--k-border);
}
.k-modal-title { font-size: 1.05rem; font-weight: 700; margin: 0; }
.k-modal-close {
  width: 30px; height: 30px;
  background: var(--k-bg-elevated);
  border: 1px solid var(--k-border);
  border-radius: var(--k-radius-sm);
  cursor: pointer; color: var(--k-text-muted);
  display: flex; align-items: center; justify-content: center;
  transition: all var(--k-transition);
}
.k-modal-close:hover { background: var(--k-danger-dim); color: var(--k-danger); border-color: var(--k-danger); }
.k-modal-body { padding: 20px 24px; overflow-y: auto; flex: 1; }
.k-modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--k-border);
  display: flex; align-items: center; justify-content: flex-end; gap: 10px;
}

@keyframes k-fade-in  { from { opacity: 0; } to { opacity: 1; } }
@keyframes k-slide-up { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }


/* ==========================================================================
   13. DROPDOWN & MENUS
   ========================================================================== */
.k-dropdown { position: relative; display: inline-block; }
.k-menu {
  position: absolute; top: calc(100% + 6px); left: 0;
  min-width: 200px;
  background: var(--k-bg-elevated);
  border: 1px solid var(--k-border-light);
  border-radius: var(--k-radius);
  box-shadow: var(--k-shadow-md);
  padding: 5px;
  z-index: 500;
  animation: k-slide-up 0.12s ease;
}
.k-menu-right { left: auto; right: 0; }
.k-menu-item {
  display: flex; align-items: center; gap: 9px;
  padding: 8px 12px;
  font-size: 0.875rem; font-weight: 500;
  color: var(--k-text-secondary);
  border-radius: var(--k-radius-sm);
  cursor: pointer;
  transition: all var(--k-transition);
  text-decoration: none;
  user-select: none;
}
.k-menu-item:hover { background: var(--k-bg-card-hover); color: var(--k-text-primary); }
.k-menu-item.danger { color: var(--k-danger); }
.k-menu-item.danger:hover { background: var(--k-danger-dim); }
.k-menu-divider {
  height: 1px; background: var(--k-border);
  margin: 4px 0;
}
.k-menu-label {
  font-size: 0.7rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.6px; color: var(--k-text-muted);
  padding: 8px 12px 4px;
}


/* ==========================================================================
   14. AVATAR & USER
   ========================================================================== */
.k-avatar {
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: var(--k-accent-dim);
  color: var(--k-accent-bright);
  font-weight: 700; font-size: 0.85rem;
  flex-shrink: 0; overflow: hidden;
}
.k-avatar img { width: 100%; height: 100%; object-fit: cover; display: block; }
.k-avatar-xs  { width: 24px; height: 24px; font-size: 0.65rem; }
.k-avatar-sm  { width: 32px; height: 32px; font-size: 0.75rem; }
.k-avatar     { width: 40px; height: 40px; }
.k-avatar-md  { width: 40px; height: 40px; }
.k-avatar-lg  { width: 56px; height: 56px; font-size: 1rem; }
.k-avatar-xl  { width: 80px; height: 80px; font-size: 1.5rem; }
.k-avatar-square { border-radius: var(--k-radius-sm); }

/* Avatar group (stacked) */
.k-avatar-group { display: flex; }
.k-avatar-group .k-avatar {
  border: 2px solid var(--k-bg-deep);
  margin-left: -10px;
}
.k-avatar-group .k-avatar:first-child { margin-left: 0; }

/* User row (avatar + name + meta) */
.k-user-row {
  display: flex; align-items: center; gap: 10px;
}
.k-user-row-name  { font-weight: 600; font-size: 0.9rem; line-height: 1.2; }
.k-user-row-meta  { font-size: 0.78rem; color: var(--k-text-muted); }

/* Online indicator */
.k-avatar-wrap { position: relative; display: inline-block; }
.k-avatar-status {
  position: absolute; bottom: 1px; right: 1px;
  width: 10px; height: 10px; border-radius: 50%;
  border: 2px solid var(--k-bg-deep);
}
.k-avatar-status.online  { background: var(--k-success); }
.k-avatar-status.offline { background: var(--k-text-muted); }
.k-avatar-status.away    { background: var(--k-warning); }


/* ==========================================================================
   15. CODE & DIFF (GIT)
   ========================================================================== */

/* Code block with header */
.k-code-block {
  background: var(--k-bg-deep);
  border: 1px solid var(--k-border);
  border-radius: var(--k-radius-lg);
  overflow: hidden;
}
.k-code-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 16px;
  background: var(--k-bg-elevated);
  border-bottom: 1px solid var(--k-border);
  font-size: 0.8rem; font-weight: 600;
}
.k-code-filename {
  font-family: var(--k-font-mono);
  color: var(--k-text-secondary);
  font-size: 0.8rem;
}
.k-code-lang {
  font-size: 0.7rem; font-weight: 700; text-transform: uppercase;
  color: var(--k-text-muted); letter-spacing: 0.5px;
}
.k-code-block pre {
  margin: 0; border: none; border-radius: 0;
  padding: 16px 20px;
}

/* Diff view */
.k-diff {
  font-family: var(--k-font-mono);
  font-size: 0.82rem;
  background: var(--k-bg-deep);
  border: 1px solid var(--k-border);
  border-radius: var(--k-radius-lg);
  overflow: hidden;
}
.k-diff-header {
  padding: 10px 16px;
  background: var(--k-bg-elevated);
  border-bottom: 1px solid var(--k-border);
  display: flex; align-items: center; justify-content: space-between;
}
.k-diff-stats { display: flex; gap: 10px; font-size: 0.78rem; }
.k-diff-add-count  { color: var(--k-success); font-weight: 700; }
.k-diff-del-count  { color: var(--k-danger);  font-weight: 700; }
.k-diff table { width: 100%; border-collapse: collapse; }
.k-diff-line { display: flex; line-height: 1.6; }
.k-diff-line-add { background: var(--k-diff-add); border-left: 3px solid var(--k-diff-add-bar); }
.k-diff-line-del { background: var(--k-diff-del); border-left: 3px solid var(--k-diff-del-bar); }
.k-diff-line-ctx { background: var(--k-diff-ctx); border-left: 3px solid transparent; }
.k-diff-line-num {
  width: 52px; flex-shrink: 0;
  padding: 0 10px; text-align: right;
  color: var(--k-text-muted); font-size: 0.78rem;
  border-right: 1px solid var(--k-border);
  user-select: none;
}
.k-diff-line-code { padding: 1px 16px; flex: 1; white-space: pre-wrap; word-break: break-all; }
.k-diff-hunk {
  padding: 6px 16px;
  background: var(--k-info-dim);
  color: var(--k-info);
  font-size: 0.78rem;
  border-top: 1px solid var(--k-border);
  border-bottom: 1px solid var(--k-border);
}

/* Commit entry */
.k-commit {
  display: flex; align-items: center; gap: 14px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--k-border);
  transition: background var(--k-transition);
}
.k-commit:last-child { border-bottom: none; }
.k-commit:hover { background: var(--k-bg-card-hover); }
.k-commit-message {
  flex: 1; font-weight: 500; font-size: 0.875rem;
  color: var(--k-text-primary);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.k-commit-hash {
  font-family: var(--k-font-mono);
  font-size: 0.78rem;
  color: var(--k-accent-bright);
  background: var(--k-accent-dim);
  padding: 2px 8px; border-radius: var(--k-radius-sm);
  white-space: nowrap;
}
.k-commit-meta { font-size: 0.78rem; color: var(--k-text-muted); white-space: nowrap; }

/* Branch / ref chip */
.k-ref {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 3px 9px; border-radius: var(--k-radius-sm);
  font-family: var(--k-font-mono);
  font-size: 0.75rem; font-weight: 600;
}
.k-ref-branch  { background: var(--k-info-dim);    color: var(--k-info); }
.k-ref-tag     { background: var(--k-warning-dim);  color: var(--k-warning); }
.k-ref-head    { background: var(--k-accent-dim);   color: var(--k-accent-bright); }

/* PR / Issue status */
.k-issue-state {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px; border-radius: var(--k-radius-full);
  font-size: 0.78rem; font-weight: 700;
}
.k-issue-open   { background: var(--k-success-dim); color: var(--k-success); }
.k-issue-closed { background: var(--k-danger-dim);  color: var(--k-danger); }
.k-issue-merged { background: rgba(136,136,136,0.18); color: var(--k-accent-bright); }
.k-issue-draft  { background: var(--k-bg-elevated); color: var(--k-text-muted); border: 1px solid var(--k-border); }


/* ==========================================================================
   16. FILE TREE
   ========================================================================== */
.k-file-tree { font-family: var(--k-font-mono); font-size: 0.82rem; }
.k-tree-item {
  display: flex; align-items: center; gap: 8px;
  padding: 5px 10px;
  border-radius: var(--k-radius-sm);
  cursor: pointer;
  color: var(--k-text-secondary);
  transition: all var(--k-transition);
  text-decoration: none;
}
.k-tree-item:hover { background: var(--k-bg-card-hover); color: var(--k-text-primary); }
.k-tree-item.active { color: var(--k-accent-bright); }
.k-tree-item-icon { color: var(--k-text-muted); flex-shrink: 0; }
.k-tree-item.dir .k-tree-item-icon { color: var(--k-info); }
.k-tree-indent { padding-left: 20px; }
.k-tree-connector { border-left: 1px solid var(--k-border); margin-left: 8px; }


/* ==========================================================================
   17. TIMELINE & ACTIVITY FEED
   ========================================================================== */
.k-timeline { position: relative; padding-left: 28px; }
.k-timeline::before {
  content: '';
  position: absolute; left: 9px; top: 6px; bottom: 6px;
  width: 1px; background: var(--k-border);
}
.k-timeline-item { position: relative; padding-bottom: 24px; }
.k-timeline-item:last-child { padding-bottom: 0; }
.k-timeline-dot {
  position: absolute; left: -24px; top: 4px;
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--k-border-light);
  border: 2px solid var(--k-bg-deep);
  z-index: 1;
}
.k-timeline-dot.accent  { background: var(--k-accent-bright); }
.k-timeline-dot.success { background: var(--k-success); }
.k-timeline-dot.danger  { background: var(--k-danger); }
.k-timeline-dot.warning { background: var(--k-warning); }
.k-timeline-time { font-size: 0.75rem; color: var(--k-text-muted); margin-bottom: 4px; }
.k-timeline-content { font-size: 0.875rem; color: var(--k-text-secondary); }

/* Activity item */
.k-activity-item {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--k-border);
}
.k-activity-item:last-child { border-bottom: none; }
.k-activity-body { flex: 1; font-size: 0.875rem; color: var(--k-text-secondary); }
.k-activity-time { font-size: 0.75rem; color: var(--k-text-muted); white-space: nowrap; }


/* ==========================================================================
   18. PROGRESS & STATS
   ========================================================================== */

/* Progress bar */
.k-progress {
  width: 100%; height: 6px;
  background: var(--k-bg-elevated);
  border-radius: var(--k-radius-full);
  overflow: hidden;
}
.k-progress-bar {
  height: 100%;
  background: var(--k-accent-bright);
  border-radius: var(--k-radius-full);
  transition: width var(--k-transition-slow);
}
.k-progress-bar.success { background: var(--k-success); }
.k-progress-bar.warning { background: var(--k-warning); }
.k-progress-bar.danger  { background: var(--k-danger); }
.k-progress-bar.striped {
  background-image: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 8px,
    rgba(255,255,255,0.08) 8px,
    rgba(255,255,255,0.08) 16px
  );
}
.k-progress-sm { height: 4px; }
.k-progress-lg { height: 10px; }

/* Progress with label */
.k-progress-labeled { display: flex; align-items: center; gap: 10px; }
.k-progress-labeled .k-progress { flex: 1; }
.k-progress-labeled .k-progress-pct { font-size: 0.78rem; font-weight: 700; color: var(--k-text-secondary); min-width: 36px; text-align: right; }

/* Language bar (git-style) */
.k-lang-bar {
  display: flex; height: 8px; border-radius: var(--k-radius-full); overflow: hidden; gap: 2px;
}
.k-lang-segment { border-radius: var(--k-radius-full); transition: flex var(--k-transition-slow); }

/* Sparkline (simple CSS bars) */
.k-sparkline {
  display: flex; align-items: flex-end; gap: 2px;
  height: 32px;
}
.k-spark-bar {
  flex: 1; min-width: 3px;
  background: var(--k-accent-dim);
  border-radius: 2px 2px 0 0;
  transition: background var(--k-transition);
}
.k-spark-bar:hover { background: var(--k-accent-bright); }
.k-spark-bar.highlight { background: var(--k-accent-bright); }


/* ==========================================================================
   19. MAIL / INBOX COMPONENTS
   ========================================================================== */
.k-mail-row {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 20px;
  border-bottom: 1px solid var(--k-border);
  cursor: pointer;
  transition: background var(--k-transition);
  position: relative;
}
.k-mail-row:hover { background: var(--k-bg-card-hover); }
.k-mail-row.selected { background: var(--k-accent-dim); }
.k-mail-row.unread { background: var(--k-bg-elevated); }
.k-mail-row.unread .k-mail-subject { font-weight: 700; color: var(--k-text-primary); }
.k-mail-row.unread::before {
  content: '';
  position: absolute; left: 8px; top: 50%; transform: translateY(-50%);
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--k-accent-bright);
}
.k-mail-from    { font-size: 0.875rem; font-weight: 600; color: var(--k-text-primary); min-width: 160px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.k-mail-subject { font-size: 0.875rem; flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; color: var(--k-text-secondary); }
.k-mail-preview { font-size: 0.8rem; color: var(--k-text-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.k-mail-time    { font-size: 0.75rem; color: var(--k-text-muted); white-space: nowrap; }
.k-mail-star    { color: var(--k-text-muted); cursor: pointer; transition: color var(--k-transition); flex-shrink: 0; }
.k-mail-star.starred { color: var(--k-warning); }

/* Mail reader */
.k-mail-thread {
  background: var(--k-bg-card);
  border: 1px solid var(--k-border);
  border-radius: var(--k-radius-lg);
  overflow: hidden;
}
.k-mail-thread-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--k-border);
}
.k-mail-thread-title { font-size: 1.2rem; font-weight: 700; }
.k-mail-message {
  padding: 20px 24px;
  border-bottom: 1px solid var(--k-border);
}
.k-mail-message-header {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 14px;
}
.k-mail-body {
  font-size: 0.9rem; color: var(--k-text-secondary);
  line-height: 1.8;
}
.k-mail-compose {
  background: var(--k-bg-card);
  border: 1px solid var(--k-border-light);
  border-radius: var(--k-radius-lg);
  box-shadow: var(--k-shadow-lg);
  overflow: hidden;
}
.k-mail-compose-header {
  background: var(--k-bg-elevated);
  padding: 12px 16px;
  font-weight: 700; font-size: 0.875rem;
  display: flex; align-items: center; justify-content: space-between;
  border-bottom: 1px solid var(--k-border);
}
.k-mail-compose-field {
  display: flex; align-items: center;
  padding: 8px 16px;
  border-bottom: 1px solid var(--k-border);
  gap: 8px;
}
.k-mail-compose-label {
  font-size: 0.78rem; font-weight: 700;
  color: var(--k-text-muted); min-width: 40px;
}
.k-mail-compose-field .k-input {
  border: none; background: none; padding: 0; box-shadow: none;
}
.k-mail-compose-body { padding: 16px; min-height: 180px; }
.k-mail-compose-footer {
  padding: 10px 16px;
  border-top: 1px solid var(--k-border);
  display: flex; align-items: center; gap: 8px;
}


/* ==========================================================================
   20. PORTFOLIO / HERO COMPONENTS
   ========================================================================== */

/* Hero section */
.k-hero {
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}
.k-hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 5px 14px;
  background: var(--k-accent-dim);
  border: 1px solid rgba(136,136,136,0.3);
  border-radius: var(--k-radius-full);
  font-size: 0.78rem; font-weight: 700;
  color: var(--k-accent-bright);
  letter-spacing: 0.5px;
  margin-bottom: 20px;
}
.k-hero-cta { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-top: 32px; }

/* Glow orb backgrounds */
.k-glow-orb {
  position: absolute; border-radius: 50%; pointer-events: none;
  filter: blur(80px); opacity: 0.25;
}
.k-glow-orb-primary { background: var(--k-accent-bright); }
.k-glow-orb-info    { background: var(--k-info); }
.k-glow-orb-success { background: var(--k-success); }

/* Section */
.k-section { padding: 80px 0; }
.k-section-sm { padding: 48px 0; }

/* Feature card */
.k-feature {
  display: flex; flex-direction: column; gap: 12px;
}
.k-feature-icon {
  width: 48px; height: 48px;
  background: var(--k-accent-dim);
  border: 1px solid rgba(136,136,136,0.3);
  border-radius: var(--k-radius);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
  color: var(--k-accent-bright);
}
.k-feature-title { font-size: 1rem; font-weight: 700; margin-bottom: 0; }
.k-feature-desc  { font-size: 0.875rem; color: var(--k-text-muted); line-height: 1.6; margin: 0; }

/* Skill / Tech badge */
.k-tech-badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 14px;
  background: var(--k-bg-card);
  border: 1px solid var(--k-border);
  border-radius: var(--k-radius-sm);
  font-size: 0.82rem; font-weight: 600;
  color: var(--k-text-secondary);
  transition: all var(--k-transition);
}
.k-tech-badge:hover { border-color: var(--k-accent-bright); color: var(--k-accent-bright); background: var(--k-accent-dim); }

/* Project card */
.k-project-card {
  background: var(--k-bg-card);
  border: 1px solid var(--k-border);
  border-radius: var(--k-radius-lg);
  overflow: hidden;
  transition: all var(--k-transition);
}
.k-project-card:hover { border-color: var(--k-accent-bright); transform: translateY(-4px); box-shadow: var(--k-shadow-md); }
.k-project-thumb {
  height: 180px;
  background: var(--k-bg-elevated);
  overflow: hidden;
}
.k-project-thumb img { width: 100%; height: 100%; object-fit: cover; }
.k-project-body { padding: 20px; }
.k-project-links { display: flex; gap: 8px; margin-top: 14px; }

/* Testimonial / Quote card */
.k-testimonial {
  background: var(--k-bg-card);
  border: 1px solid var(--k-border);
  border-radius: var(--k-radius-lg);
  padding: 24px;
  position: relative;
}
.k-testimonial::before {
  content: '"';
  position: absolute; top: -10px; left: 20px;
  font-size: 4rem; line-height: 1;
  color: var(--k-accent-bright); opacity: 0.4;
  font-family: Georgia, serif;
}
.k-testimonial-text { color: var(--k-text-secondary); font-size: 0.95rem; line-height: 1.7; margin-bottom: 16px; }
.k-testimonial-author { display: flex; align-items: center; gap: 10px; }


/* ==========================================================================
   21. BREADCRUMB & PAGINATION
   ========================================================================== */
.k-breadcrumb {
  display: flex; align-items: center; gap: 6px;
  font-size: 0.82rem; font-weight: 500;
  flex-wrap: wrap;
}
.k-breadcrumb-item { color: var(--k-text-secondary); }
.k-breadcrumb-item a { color: var(--k-text-secondary); transition: color var(--k-transition); }
.k-breadcrumb-item a:hover { color: var(--k-text-primary); }
.k-breadcrumb-item:last-child { color: var(--k-text-primary); }
.k-breadcrumb-sep { color: var(--k-text-muted); font-size: 0.7rem; }

/* Pagination */
.k-pagination {
  display: flex; align-items: center; gap: 4px; flex-wrap: wrap;
}
.k-page-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px;
  background: var(--k-bg-card);
  border: 1px solid var(--k-border);
  border-radius: var(--k-radius-sm);
  font-size: 0.82rem; font-weight: 600;
  color: var(--k-text-secondary);
  cursor: pointer;
  transition: all var(--k-transition);
  text-decoration: none;
}
.k-page-btn:hover { border-color: var(--k-border-light); color: var(--k-text-primary); }
.k-page-btn.active { background: var(--k-accent-mid); border-color: var(--k-accent-bright); color: #fff; }
.k-page-btn:disabled { opacity: 0.35; cursor: not-allowed; }
.k-page-ellipsis { width: 36px; height: 36px; display: flex; align-items: center; justify-content: center; color: var(--k-text-muted); font-size: 0.82rem; }


/* ==========================================================================
   22. TOOLTIP
   ========================================================================== */
[data-tooltip] { position: relative; cursor: default; }
[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute; bottom: calc(100% + 8px); left: 50%; transform: translateX(-50%);
  background: var(--k-bg-elevated);
  border: 1px solid var(--k-border-light);
  color: var(--k-text-primary);
  padding: 5px 10px;
  border-radius: var(--k-radius-sm);
  font-size: 0.75rem; font-weight: 500;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0; transition: opacity var(--k-transition);
  z-index: 1000;
  box-shadow: var(--k-shadow-sm);
}
[data-tooltip]:hover::after { opacity: 1; }
[data-tooltip-pos="bottom"]::after { bottom: auto; top: calc(100% + 8px); }
[data-tooltip-pos="right"]::after  { bottom: 50%; left: calc(100% + 8px); transform: translateY(50%); }
[data-tooltip-pos="left"]::after   { bottom: 50%; left: auto; right: calc(100% + 8px); transform: translateY(50%); }


/* ==========================================================================
   23. SKELETON LOADER
   ========================================================================== */
@keyframes k-shimmer {
  0%   { background-position: -600px 0; }
  100% { background-position: 600px 0; }
}

.k-skeleton {
  border-radius: var(--k-radius-sm);
  background: linear-gradient(90deg, var(--k-bg-elevated) 25%, var(--k-border) 50%, var(--k-bg-elevated) 75%);
  background-size: 1200px 100%;
  animation: k-shimmer 1.5s infinite linear;
}
.k-skeleton-text  { height: 14px; margin-bottom: 8px; }
.k-skeleton-title { height: 22px; margin-bottom: 12px; width: 60%; }
.k-skeleton-avatar { border-radius: 50%; width: 40px; height: 40px; flex-shrink: 0; }
.k-skeleton-thumb { width: 100%; height: 180px; border-radius: var(--k-radius); }

/* Skeleton row */
.k-skeleton-row {
  display: flex; align-items: center; gap: 12px; padding: 12px 0;
  border-bottom: 1px solid var(--k-border);
}
.k-skeleton-row-body { flex: 1; }


/* ==========================================================================
   24. DIVIDER
   ========================================================================== */
.k-divider {
  border: none;
  border-top: 1px solid var(--k-border);
  margin: 20px 0;
}
.k-divider-label {
  display: flex; align-items: center; gap: 12px;
  color: var(--k-text-muted); font-size: 0.78rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.5px;
  margin: 20px 0;
}
.k-divider-label::before, .k-divider-label::after {
  content: ''; flex: 1; height: 1px; background: var(--k-border);
}

/* Spacer */
.k-spacer-sm { margin-top: 12px; }
.k-spacer    { margin-top: 24px; }
.k-spacer-lg { margin-top: 48px; }


/* ==========================================================================
   25. CHIPS & PILL GROUPS
   ========================================================================== */
.k-chip-group {
  display: flex; flex-wrap: wrap; gap: 6px;
}
.k-chip {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 4px 12px;
  border-radius: var(--k-radius-full);
  font-size: 0.8rem; font-weight: 600;
  cursor: pointer;
  user-select: none;
  transition: all var(--k-transition);
  border: 1px solid var(--k-border);
  background: var(--k-bg-elevated);
  color: var(--k-text-secondary);
}
.k-chip:hover { border-color: var(--k-border-light); color: var(--k-text-primary); }
.k-chip.active {
  background: var(--k-accent-dim);
  border-color: var(--k-accent-bright);
  color: var(--k-accent-bright);
}
.k-chip-icon { font-size: 0.9em; }

/* Empty State */
.k-empty {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 60px 24px; text-align: center; gap: 12px;
}
.k-empty-icon { font-size: 2.5rem; opacity: 0.3; }
.k-empty-title { font-size: 1rem; font-weight: 700; color: var(--k-text-secondary); margin: 0; }
.k-empty-desc  { font-size: 0.875rem; color: var(--k-text-muted); max-width: 320px; margin: 0; }

/* Loading Spinner */
.k-spinner {
  width: 20px; height: 20px;
  border: 2px solid var(--k-border-light);
  border-top-color: var(--k-accent-bright);
  border-radius: 50%;
  animation: k-spin 0.65s linear infinite;
  display: inline-block;
}
.k-spinner-sm { width: 14px; height: 14px; }
.k-spinner-lg { width: 32px; height: 32px; border-width: 3px; }
@keyframes k-spin { to { transform: rotate(360deg); } }

/* Kbd */
.k-kbd {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 2px 7px;
  background: var(--k-bg-elevated);
  border: 1px solid var(--k-border-light);
  border-bottom-width: 2px;
  border-radius: var(--k-radius-sm);
  font-family: var(--k-font-mono);
  font-size: 0.72rem; font-weight: 700;
  color: var(--k-text-secondary);
  box-shadow: 0 1px 0 var(--k-border-light);
}

/* Command palette item */
.k-cmd-item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 14px;
  border-radius: var(--k-radius-sm);
  font-size: 0.875rem;
  color: var(--k-text-secondary);
  cursor: pointer;
  transition: all var(--k-transition);
}
.k-cmd-item:hover, .k-cmd-item.focused {
  background: var(--k-accent-dim);
  color: var(--k-text-primary);
}
.k-cmd-item-icon   { flex-shrink: 0; width: 18px; text-align: center; }
.k-cmd-item-shortcut { margin-left: auto; display: flex; gap: 4px; }


/* ==========================================================================
   26. UTILITY CLASSES
   ========================================================================== */

/* Display */
.k-flex        { display: flex; }
.k-inline-flex { display: inline-flex; }
.k-grid-auto   { display: grid; gap: 16px; }
.k-block       { display: block; }
.k-hidden      { display: none; }

/* Flex */
.k-flex-col       { flex-direction: column; }
.k-flex-wrap      { flex-wrap: wrap; }
.k-items-start    { align-items: flex-start; }
.k-items-center   { align-items: center; }
.k-items-end      { align-items: flex-end; }
.k-justify-start  { justify-content: flex-start; }
.k-justify-center { justify-content: center; }
.k-justify-end    { justify-content: flex-end; }
.k-justify-between{ justify-content: space-between; }
.k-justify-around { justify-content: space-around; }
.k-flex-1         { flex: 1; }
.k-shrink-0       { flex-shrink: 0; }
.k-min-w-0        { min-width: 0; }

/* Gap */
.k-gap-1  { gap: 4px; }
.k-gap-2  { gap: 8px; }
.k-gap-3  { gap: 12px; }
.k-gap-4  { gap: 16px; }
.k-gap-5  { gap: 20px; }
.k-gap-6  { gap: 24px; }
.k-gap-8  { gap: 32px; }

/* Spacing */
.k-p-1  { padding: 4px; }  .k-p-2  { padding: 8px; }   .k-p-3  { padding: 12px; }
.k-p-4  { padding: 16px; } .k-p-5  { padding: 20px; }  .k-p-6  { padding: 24px; }
.k-px-2 { padding-left: 8px;  padding-right: 8px; }
.k-px-4 { padding-left: 16px; padding-right: 16px; }
.k-px-6 { padding-left: 24px; padding-right: 24px; }
.k-py-2 { padding-top: 8px;   padding-bottom: 8px; }
.k-py-4 { padding-top: 16px;  padding-bottom: 16px; }
.k-py-6 { padding-top: 24px;  padding-bottom: 24px; }

.k-m-auto { margin: auto; }
.k-mx-auto { margin-left: auto; margin-right: auto; }
.k-mt-1  { margin-top: 4px; }   .k-mt-2 { margin-top: 8px; }
.k-mt-3  { margin-top: 12px; }  .k-mt-4 { margin-top: 16px; }
.k-mt-6  { margin-top: 24px; }  .k-mt-8 { margin-top: 32px; }
.k-mb-1  { margin-bottom: 4px; } .k-mb-2 { margin-bottom: 8px; }
.k-mb-3  { margin-bottom: 12px; }.k-mb-4 { margin-bottom: 16px; }
.k-mb-6  { margin-bottom: 24px; }.k-mb-8 { margin-bottom: 32px; }
.k-ml-auto { margin-left: auto; }
.k-mr-auto { margin-right: auto; }

/* Text */
.k-text-xs   { font-size: 0.72rem; }
.k-text-sm   { font-size: 0.82rem; }
.k-text-base { font-size: 0.9rem; }
.k-text-lg   { font-size: 1.05rem; }
.k-text-xl   { font-size: 1.2rem; }
.k-text-2xl  { font-size: 1.5rem; }

.k-font-mono   { font-family: var(--k-font-mono); }
.k-font-bold   { font-weight: 700; }
.k-font-semibold { font-weight: 600; }
.k-font-medium { font-weight: 500; }
.k-font-normal { font-weight: 400; }

.k-text-left   { text-align: left; }
.k-text-center { text-align: center; }
.k-text-right  { text-align: right; }

.k-text-primary   { color: var(--k-text-primary); }
.k-text-secondary { color: var(--k-text-secondary); }
.k-text-muted     { color: var(--k-text-muted); }
.k-text-accent    { color: var(--k-accent-bright); }
.k-text-success   { color: var(--k-success); }
.k-text-warning   { color: var(--k-warning); }
.k-text-danger    { color: var(--k-danger); }
.k-text-info      { color: var(--k-info); }

.k-truncate   { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.k-break-all  { word-break: break-all; }
.k-no-select  { user-select: none; }
.k-uppercase  { text-transform: uppercase; letter-spacing: 0.05em; }

/* Width / Height */
.k-w-full  { width: 100%; }
.k-h-full  { height: 100%; }
.k-min-h-screen { min-height: 100vh; }

/* Overflow */
.k-overflow-hidden { overflow: hidden; }
.k-overflow-auto   { overflow: auto; }
.k-overflow-x-auto { overflow-x: auto; }

/* Position */
.k-relative { position: relative; }
.k-absolute { position: absolute; }
.k-sticky   { position: sticky; }
.k-z-10     { z-index: 10; }
.k-z-50     { z-index: 50; }
.k-z-100    { z-index: 100; }

/* Border radius */
.k-rounded-sm   { border-radius: var(--k-radius-sm); }
.k-rounded      { border-radius: var(--k-radius); }
.k-rounded-lg   { border-radius: var(--k-radius-lg); }
.k-rounded-full { border-radius: var(--k-radius-full); }

/* Opacity */
.k-opacity-50 { opacity: 0.5; }
.k-opacity-75 { opacity: 0.75; }

/* Cursor */
.k-cursor-pointer { cursor: pointer; }
.k-cursor-default { cursor: default; }

/* Interactive states */
.k-hover-lift { transition: transform var(--k-transition); }
.k-hover-lift:hover { transform: translateY(-2px); }

/* Focus ring */
.k-focus-ring:focus-visible {
  outline: 2px solid var(--k-accent-bright);
  outline-offset: 2px;
  border-radius: var(--k-radius-sm);
}

/* Glassmorphism */
.k-glass {
  background: rgba(27, 27, 27, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.06);
}

/* Responsive helpers */
@media (max-width: 1024px) {
  .k-hidden-lg { display: none; }
  .k-sidebar { width: 220px; }
}
@media (max-width: 768px) {
  .k-hidden-md { display: none; }
  .k-sidebar   { display: none; }
  .k-form-row  { grid-template-columns: 1fr; }
  .k-topbar-nav { display: none; }
}
@media (max-width: 480px) {
  .k-hidden-sm { display: none; }
  .k-hero { padding: 60px 0; }
  .k-section { padding: 48px 0; }
}


/* ==========================================================================
   27. VIDEO PLAYER
   ========================================================================== */

/*
 * Full custom video player built entirely in CSS.
 * Pair with a small JS snippet to wire up playback (see docs).
 *
 * Structure:
 *
 *  .k-player                         — outer wrapper, sets aspect ratio
 *    .k-player-viewport               — the <video> container + overlay
 *      video.k-player-video           — native <video> element
 *      .k-player-overlay              — click-to-pause poster overlay
 *      .k-player-big-play             — centered play button (idle state)
 *      .k-player-loading              — spinner shown while buffering
 *      .k-player-title-bar            — top gradient bar (title + badges)
 *      .k-player-end-screen           — replay / next screen
 *    .k-player-controls               — bottom control bar
 *      .k-player-progress-wrap        — scrubber + buffer track
 *        .k-player-buffer             — buffered range indicator
 *        .k-player-progress           — <input range> seek bar
 *        .k-player-chapters           — optional chapter markers
 *      .k-player-toolbar              — buttons row
 *        .k-player-btn                — individual control button
 *        .k-player-volume-wrap        — volume icon + slider
 *          .k-player-volume           — <input range> volume
 *        .k-player-time               — current / duration display
 *        .k-player-spacer             — pushes right-side buttons apart
 *        .k-player-quality            — quality selector dropdown
 *        .k-player-speed              — playback speed selector
 *
 * Modifier classes on .k-player:
 *   .is-playing     — hides big play button, shows pause cursor
 *   .is-paused      — shows big play button
 *   .is-buffering   — shows loading spinner
 *   .is-idle        — hides controls (cursor hidden after inactivity)
 *   .is-fullscreen  — full-screen layout adjustments
 *   .k-player-16-9  — 16:9 aspect ratio (default)
 *   .k-player-4-3   — 4:3 aspect ratio
 *   .k-player-1-1   — square aspect ratio
 *   .k-player-cinema — 21:9 cinematic aspect ratio
 */

/* ---- CSS tokens ---- */
:root {
  --k-player-ctrl-h:        52px;
  --k-player-ctrl-bg:       linear-gradient(to top, rgba(0,0,0,0.85) 0%, transparent 100%);
  --k-player-title-bg:      linear-gradient(to bottom, rgba(0,0,0,0.75) 0%, transparent 100%);
  --k-player-accent:        var(--k-accent-bright);
  --k-player-track-bg:      rgba(255,255,255,0.2);
  --k-player-track-buf:     rgba(255,255,255,0.35);
  --k-player-thumb-size:    14px;
  --k-player-radius:        var(--k-radius-lg);
  --k-player-transition:    var(--k-transition);
  --k-player-icon-size:     18px;
}

/* ---- Wrapper ---- */
.k-player {
  position: relative;
  width: 100%;
  background: #000;
  border-radius: var(--k-player-radius);
  overflow: hidden;
  box-shadow: var(--k-shadow-lg);
  user-select: none;
  font-family: var(--k-font-sans);
}

/* Aspect ratios */
.k-player-16-9  { aspect-ratio: 16 / 9; }
.k-player-4-3   { aspect-ratio: 4 / 3; }
.k-player-1-1   { aspect-ratio: 1 / 1; }
.k-player-cinema { aspect-ratio: 21 / 9; }
/* Default if none applied — just let the video height dictate */

/* ---- Viewport ---- */
.k-player-viewport {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #000;
  cursor: pointer;
}

.k-player.is-playing .k-player-viewport { cursor: none; }
.k-player.is-idle    .k-player-viewport { cursor: none; }

/* ---- Native video element ---- */
.k-player-video {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
  background: #000;
}

/* ---- Poster / thumbnail overlay ---- */
.k-player-poster {
  position: absolute; inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  transition: opacity 0.3s ease;
  pointer-events: none;
}
.k-player.is-playing .k-player-poster { opacity: 0; }

/* ---- Title bar (top gradient) ---- */
.k-player-title-bar {
  position: absolute; top: 0; left: 0; right: 0;
  padding: 16px 18px 36px;
  background: var(--k-player-title-bg);
  display: flex; align-items: flex-start; gap: 10px;
  transition: opacity var(--k-player-transition);
  pointer-events: none;
}
.k-player.is-idle .k-player-title-bar { opacity: 0; }

.k-player-title {
  font-size: 0.9rem; font-weight: 700;
  color: #fff;
  text-shadow: 0 1px 4px rgba(0,0,0,0.8);
  line-height: 1.3;
  flex: 1;
}
.k-player-subtitle {
  font-size: 0.75rem; color: rgba(255,255,255,0.7);
  text-shadow: 0 1px 3px rgba(0,0,0,0.7);
  margin-top: 3px;
}
.k-player-live-badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 3px 9px;
  background: var(--k-danger);
  border-radius: var(--k-radius-full);
  font-size: 0.68rem; font-weight: 800; letter-spacing: 0.5px;
  color: #fff; text-transform: uppercase;
  flex-shrink: 0;
  animation: k-live-pulse 2s infinite;
}
.k-player-live-badge::before {
  content: '';
  width: 6px; height: 6px; border-radius: 50%;
  background: #fff;
  animation: k-live-pulse 1.2s ease-in-out infinite;
}
@keyframes k-live-pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.6; }
}

/* ---- Big play button (center, shown when paused) ---- */
.k-player-big-play {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  pointer-events: none;
  transition: opacity 0.2s ease;
}
.k-player.is-playing .k-player-big-play { opacity: 0; }

.k-player-big-play-btn {
  width: 68px; height: 68px;
  border-radius: 50%;
  background: rgba(0,0,0,0.55);
  border: 2px solid rgba(255,255,255,0.7);
  display: flex; align-items: center; justify-content: center;
  backdrop-filter: blur(6px);
  transition: transform 0.15s ease, background 0.15s ease;
}
.k-player-viewport:hover .k-player-big-play-btn {
  background: rgba(0,0,0,0.72);
  transform: scale(1.08);
}
.k-player-big-play-btn::after {
  content: '';
  width: 0; height: 0;
  border-style: solid;
  border-width: 12px 0 12px 22px;
  border-color: transparent transparent transparent #fff;
  margin-left: 4px;
}

/* ---- Buffering spinner ---- */
.k-player-loading {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  pointer-events: none;
  opacity: 0; transition: opacity 0.2s;
}
.k-player.is-buffering .k-player-loading { opacity: 1; }

.k-player-spinner {
  width: 44px; height: 44px;
  border: 3px solid rgba(255,255,255,0.15);
  border-top-color: #fff;
  border-radius: 50%;
  animation: k-spin 0.7s linear infinite;
}

/* ---- Skip indicator (forward/back tap flash) ---- */
.k-player-skip-flash {
  position: absolute; top: 50%; transform: translateY(-50%);
  padding: 10px 18px;
  background: rgba(0,0,0,0.5);
  border-radius: var(--k-radius-full);
  color: #fff; font-size: 0.82rem; font-weight: 700;
  pointer-events: none;
  opacity: 0; transition: opacity 0.2s;
  backdrop-filter: blur(4px);
}
.k-player-skip-flash.left  { left: 18%; }
.k-player-skip-flash.right { right: 18%; }
.k-player-skip-flash.show  { opacity: 1; }

/* ---- End screen ---- */
.k-player-end-screen {
  position: absolute; inset: 0;
  background: rgba(0,0,0,0.72);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 20px;
  backdrop-filter: blur(8px);
  opacity: 0; pointer-events: none;
  transition: opacity 0.3s ease;
}
.k-player.is-ended .k-player-end-screen { opacity: 1; pointer-events: all; }
.k-player-end-title {
  font-size: 1.1rem; font-weight: 700; color: #fff;
  text-shadow: 0 1px 4px rgba(0,0,0,0.6);
}
.k-player-end-actions { display: flex; gap: 12px; }
.k-player-end-btn {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 10px 20px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: var(--k-radius);
  color: #fff; font-size: 0.875rem; font-weight: 600;
  cursor: pointer; font-family: inherit;
  transition: background 0.15s ease;
}
.k-player-end-btn:hover    { background: rgba(255,255,255,0.22); }
.k-player-end-btn.primary  { background: var(--k-player-accent); border-color: transparent; }
.k-player-end-btn.primary:hover { filter: brightness(1.15); }

/* ---- Up-next card (shown in end screen) ---- */
.k-player-up-next {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 16px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--k-radius);
  cursor: pointer; max-width: 320px;
  transition: background 0.15s ease;
}
.k-player-up-next:hover { background: rgba(255,255,255,0.14); }
.k-player-up-next-thumb {
  width: 80px; height: 45px; flex-shrink: 0;
  border-radius: var(--k-radius-sm);
  background: var(--k-bg-elevated);
  overflow: hidden;
}
.k-player-up-next-thumb img { width: 100%; height: 100%; object-fit: cover; }
.k-player-up-next-title { font-size: 0.8rem; font-weight: 600; color: #fff; line-height: 1.3; }
.k-player-up-next-meta  { font-size: 0.72rem; color: rgba(255,255,255,0.55); margin-top: 3px; }

/* ---- Controls bar ---- */
.k-player-controls {
  position: absolute; bottom: 0; left: 0; right: 0;
  background: var(--k-player-ctrl-bg);
  padding: 0 6px 6px;
  transition: opacity var(--k-player-transition), transform var(--k-player-transition);
}
.k-player.is-idle .k-player-controls {
  opacity: 0;
  transform: translateY(4px);
  pointer-events: none;
}

/* ---- Progress / scrubber ---- */
.k-player-progress-wrap {
  position: relative;
  width: 100%;
  height: 18px; /* tall hit target */
  display: flex; align-items: center;
  cursor: pointer;
  padding: 0 4px;
  margin-bottom: 2px;
}

/* Track background */
.k-player-progress-wrap::before {
  content: '';
  position: absolute; left: 4px; right: 4px;
  height: 3px;
  background: var(--k-player-track-bg);
  border-radius: var(--k-radius-full);
  transition: height 0.12s ease;
}
.k-player-progress-wrap:hover::before { height: 5px; }

/* Buffer fill */
.k-player-buffer {
  position: absolute; left: 4px;
  height: 3px;
  background: var(--k-player-track-buf);
  border-radius: var(--k-radius-full);
  pointer-events: none;
  transition: height 0.12s ease;
}
.k-player-progress-wrap:hover .k-player-buffer { height: 5px; }

/* Seek input */
.k-player-seek {
  position: absolute; left: 4px; right: 4px;
  height: 100%;
  -webkit-appearance: none;
  appearance: none;
  background: transparent;
  cursor: pointer;
  outline: none;
  margin: 0;
}

/* Seek — filled track (accent color) */
.k-player-seek::-webkit-slider-runnable-track {
  height: 3px;
  background: transparent; /* handled by ::before / JS --pct */
  border-radius: var(--k-radius-full);
  transition: height 0.12s ease;
}
.k-player-progress-wrap:hover .k-player-seek::-webkit-slider-runnable-track { height: 5px; }
.k-player-seek::-moz-range-track {
  height: 3px; background: transparent; border-radius: var(--k-radius-full);
}

/* Seek — thumb */
.k-player-seek::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: var(--k-player-thumb-size);
  height: var(--k-player-thumb-size);
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 0 6px rgba(0,0,0,0.5);
  margin-top: calc((var(--k-player-thumb-size) / -2) + 1.5px);
  opacity: 0;
  transition: opacity 0.12s ease, transform 0.12s ease;
  transform: scale(0.7);
}
.k-player-progress-wrap:hover .k-player-seek::-webkit-slider-thumb {
  opacity: 1; transform: scale(1);
}
.k-player-seek::-moz-range-thumb {
  width: var(--k-player-thumb-size); height: var(--k-player-thumb-size);
  border-radius: 50%; background: #fff;
  border: none; box-shadow: 0 0 6px rgba(0,0,0,0.5);
  opacity: 0; transition: opacity 0.12s ease;
}
.k-player-progress-wrap:hover .k-player-seek::-moz-range-thumb { opacity: 1; }

/* Playhead fill — uses CSS custom property set by JS */
.k-player-playhead {
  position: absolute; left: 4px;
  height: 3px;
  background: var(--k-player-accent);
  border-radius: var(--k-radius-full);
  pointer-events: none;
  transition: height 0.12s ease;
  transform-origin: left;
}
.k-player-progress-wrap:hover .k-player-playhead { height: 5px; }

/* Chapter markers */
.k-player-chapters {
  position: absolute; left: 4px; right: 4px;
  height: 100%; pointer-events: none;
}
.k-player-chapter-mark {
  position: absolute; top: 50%;
  width: 2px; height: 8px;
  background: rgba(255,255,255,0.5);
  border-radius: 1px;
  transform: translate(-50%, -50%);
  transition: background 0.12s;
}
.k-player-chapter-mark:hover { background: #fff; }

/* Scrubber preview thumbnail tooltip */
.k-player-scrub-preview {
  position: absolute; bottom: 20px;
  transform: translateX(-50%);
  pointer-events: none;
  opacity: 0; transition: opacity 0.12s ease;
  display: flex; flex-direction: column; align-items: center; gap: 4px;
}
.k-player-progress-wrap:hover .k-player-scrub-preview { opacity: 1; }
.k-player-scrub-thumb {
  width: 120px; height: 68px;
  background: var(--k-bg-elevated);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--k-radius-sm);
  overflow: hidden;
}
.k-player-scrub-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.k-player-scrub-time {
  font-size: 0.72rem; font-weight: 700;
  color: #fff;
  background: rgba(0,0,0,0.6);
  padding: 2px 8px; border-radius: var(--k-radius-full);
  white-space: nowrap;
}

/* ---- Toolbar (button row) ---- */
.k-player-toolbar {
  display: flex; align-items: center;
  gap: 2px;
  height: var(--k-player-ctrl-h);
  padding: 0 4px;
}

/* Control button */
.k-player-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 38px; height: 38px;
  border-radius: var(--k-radius-sm);
  background: transparent; border: none;
  color: rgba(255,255,255,0.85);
  cursor: pointer; font-size: var(--k-player-icon-size);
  transition: background 0.12s ease, color 0.12s ease;
  font-family: inherit; flex-shrink: 0;
}
.k-player-btn:hover { background: rgba(255,255,255,0.12); color: #fff; }
.k-player-btn:active { background: rgba(255,255,255,0.2); }
.k-player-btn.active { color: var(--k-player-accent); }

/* SVG icons inside buttons */
.k-player-btn svg {
  width: var(--k-player-icon-size);
  height: var(--k-player-icon-size);
  pointer-events: none;
}

/* Play / Pause toggle icons */
.k-player-btn .icon-play,
.k-player-btn .icon-pause {
  display: none;
}
.k-player.is-paused .k-play-btn .icon-play   { display: block; }
.k-player.is-playing .k-play-btn .icon-pause { display: block; }

/* Mute toggle */
.k-player-btn .icon-vol-on,
.k-player-btn .icon-vol-off { display: none; }
.k-player.is-muted .k-mute-btn .icon-vol-off { display: block; }
.k-player:not(.is-muted) .k-mute-btn .icon-vol-on { display: block; }

/* ---- Volume slider ---- */
.k-player-volume-wrap {
  display: flex; align-items: center; gap: 0;
  overflow: hidden;
  max-width: 30px;
  transition: max-width 0.2s ease;
}
.k-player-volume-wrap:hover,
.k-player-volume-wrap:focus-within { max-width: 110px; }

.k-player-volume {
  -webkit-appearance: none; appearance: none;
  width: 72px; height: 3px;
  border-radius: var(--k-radius-full);
  background: var(--k-player-track-bg);
  cursor: pointer; outline: none;
  margin-left: 4px;
  accent-color: #fff;
}
.k-player-volume::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 12px; height: 12px;
  background: #fff; border-radius: 50%;
  box-shadow: 0 0 4px rgba(0,0,0,0.5);
}
.k-player-volume::-moz-range-thumb {
  width: 12px; height: 12px;
  background: #fff; border-radius: 50%; border: none;
}

/* ---- Time display ---- */
.k-player-time {
  font-size: 0.78rem; font-weight: 600;
  color: rgba(255,255,255,0.85);
  white-space: nowrap;
  letter-spacing: 0.3px;
  padding: 0 6px;
  font-family: var(--k-font-mono);
}
.k-player-time .sep { opacity: 0.45; margin: 0 2px; }

/* ---- Spacer ---- */
.k-player-spacer { flex: 1; }

/* ---- Quality selector ---- */
.k-player-quality,
.k-player-speed {
  position: relative;
}
.k-player-quality-btn,
.k-player-speed-btn {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 5px 10px;
  border-radius: var(--k-radius-sm);
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.85);
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.3px;
  cursor: pointer; font-family: inherit;
  transition: background 0.12s, color 0.12s;
}
.k-player-quality-btn:hover,
.k-player-speed-btn:hover {
  background: rgba(255,255,255,0.16); color: #fff;
}

.k-player-menu {
  position: absolute; bottom: calc(100% + 8px); right: 0;
  min-width: 130px;
  background: rgba(18,18,28,0.96);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--k-radius);
  padding: 4px;
  box-shadow: var(--k-shadow-md);
  backdrop-filter: blur(10px);
  animation: k-slide-up 0.12s ease;
}
.k-player-menu-item {
  display: flex; align-items: center; justify-content: space-between;
  padding: 7px 12px;
  border-radius: var(--k-radius-sm);
  font-size: 0.8rem; font-weight: 500;
  color: rgba(255,255,255,0.8);
  cursor: pointer; gap: 16px;
  transition: background 0.1s;
}
.k-player-menu-item:hover { background: rgba(255,255,255,0.1); color: #fff; }
.k-player-menu-item.active {
  color: var(--k-player-accent);
}
.k-player-menu-item.active::after {
  content: '✓';
  font-size: 0.75rem;
  color: var(--k-player-accent);
}
.k-player-menu-label {
  font-size: 0.68rem; font-weight: 800;
  text-transform: uppercase; letter-spacing: 0.6px;
  color: rgba(255,255,255,0.35);
  padding: 6px 12px 3px;
}

/* ---- Fullscreen ---- */
.k-player.is-fullscreen {
  border-radius: 0;
  position: fixed; inset: 0; z-index: 9999;
  width: 100vw; height: 100vh;
}
.k-player.is-fullscreen .k-player-video { object-fit: contain; }

/* ---- Subtitles / CC overlay ---- */
.k-player-captions {
  position: absolute; bottom: 68px; left: 50%; transform: translateX(-50%);
  text-align: center;
  pointer-events: none;
  transition: bottom var(--k-player-transition);
}
.k-player.is-idle .k-player-captions { bottom: 14px; }
.k-player-caption-line {
  display: inline-block;
  background: rgba(0,0,0,0.78);
  color: #fff;
  font-size: 0.95rem; font-weight: 600;
  line-height: 1.5;
  padding: 3px 10px;
  border-radius: 4px;
  margin-bottom: 3px;
  max-width: 80vw;
}

/* ---- Playlist / episode strip ---- */
.k-player-playlist {
  display: flex; gap: 8px;
  padding: 10px 0;
  overflow-x: auto;
  scrollbar-width: thin;
}
.k-player-playlist-item {
  flex-shrink: 0; width: 160px;
  border-radius: var(--k-radius);
  overflow: hidden;
  background: var(--k-bg-card);
  border: 1px solid var(--k-border);
  cursor: pointer;
  transition: border-color var(--k-transition), transform var(--k-transition);
}
.k-player-playlist-item:hover { border-color: var(--k-border-light); transform: translateY(-2px); }
.k-player-playlist-item.active { border-color: var(--k-player-accent); }
.k-player-playlist-thumb {
  width: 100%; height: 90px;
  background: var(--k-bg-elevated);
  position: relative; overflow: hidden;
}
.k-player-playlist-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.k-player-playlist-duration {
  position: absolute; bottom: 5px; right: 6px;
  background: rgba(0,0,0,0.72);
  color: #fff; font-size: 0.68rem; font-weight: 700;
  padding: 1px 6px; border-radius: 3px;
  font-family: var(--k-font-mono);
}
.k-player-playlist-info { padding: 8px 10px 10px; }
.k-player-playlist-title {
  font-size: 0.78rem; font-weight: 600;
  color: var(--k-text-primary);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.k-player-playlist-meta {
  font-size: 0.68rem; color: var(--k-text-muted); margin-top: 3px;
}

/* Playing indicator overlay on active playlist item */
.k-player-playlist-item.active .k-player-playlist-thumb::after {
  content: '▶';
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; color: #fff;
  background: rgba(0,0,0,0.4);
}

/* ---- Mini player (picture-in-picture style) ---- */
.k-player-mini {
  position: fixed; bottom: 24px; right: 24px;
  width: 320px;
  border-radius: var(--k-radius-lg);
  box-shadow: var(--k-shadow-lg);
  z-index: 800;
  resize: both; overflow: hidden;
  cursor: move;
}
.k-player-mini .k-player-controls { display: none; }
.k-player-mini .k-player-title-bar { display: none; }
.k-player-mini-bar {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 10px;
  background: var(--k-bg-elevated);
  border-top: 1px solid var(--k-border);
}
.k-player-mini-title {
  flex: 1; font-size: 0.75rem; font-weight: 600;
  color: var(--k-text-primary);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

/* ---- Audio-only / podcast player variant ---- */
.k-player-audio {
  background: var(--k-bg-card);
  border: 1px solid var(--k-border);
  border-radius: var(--k-radius-lg);
  padding: 20px;
  display: flex; flex-direction: column; gap: 14px;
}
.k-player-audio-header {
  display: flex; align-items: center; gap: 14px;
}
.k-player-audio-art {
  width: 64px; height: 64px; flex-shrink: 0;
  border-radius: var(--k-radius);
  background: var(--k-bg-elevated);
  overflow: hidden;
}
.k-player-audio-art img { width: 100%; height: 100%; object-fit: cover; }
.k-player-audio-title { font-size: 0.95rem; font-weight: 700; color: var(--k-text-primary); margin-bottom: 3px; }
.k-player-audio-show  { font-size: 0.78rem; color: var(--k-text-muted); }
.k-player-audio-controls {
  display: flex; align-items: center; gap: 4px;
}

/* Waveform visualizer (decorative, CSS-only) */
.k-player-waveform {
  display: flex; align-items: center; gap: 2px;
  height: 32px; overflow: hidden;
}
.k-player-wave-bar {
  width: 3px; flex-shrink: 0;
  background: var(--k-border-light);
  border-radius: 2px;
  transition: background 0.1s, height 0.1s;
}
.k-player-wave-bar.played { background: var(--k-player-accent); }
.k-player-wave-bar.current {
  background: var(--k-player-accent);
  animation: k-wave-bounce 0.4s ease-in-out infinite alternate;
}
@keyframes k-wave-bounce {
  from { transform: scaleY(0.7); }
  to   { transform: scaleY(1.2); }
}

/* ---- Responsive adjustments ---- */
@media (max-width: 540px) {
  :root { --k-player-thumb-size: 12px; }
  .k-player-btn          { width: 32px; height: 32px; font-size: 15px; }
  .k-player-big-play-btn { width: 54px; height: 54px; }
  .k-player-time         { font-size: 0.7rem; }
  .k-player-quality-btn,
  .k-player-speed-btn    { padding: 4px 7px; font-size: 0.68rem; }
  .k-player-playlist-item { width: 130px; }
  .k-player-mini          { width: 240px; }
}