/* ═══════════════════════════════════════════════════
   FMS TRAINING LIBRARY — GLOBAL STYLES
   Color Palette extracted from brand screenshots:
   Primary   : #5B21B6 (deep violet)
   Gradient  : #6D28D9 → #4C1D95
   Sidebar   : #5B21B6
   Active    : #7C3AED
   Accent    : #8B5CF6
   Button    : #4C1D95
═══════════════════════════════════════════════════ */

:root {
  --clr-primary:       #5B21B6;
  --clr-primary-dark:  #4C1D95;
  --clr-primary-mid:   #6D28D9;
  --clr-primary-light: #7C3AED;
  --clr-accent:        #8B5CF6;
  --clr-accent-soft:   #A78BFA;
  --clr-gradient:      linear-gradient(140deg, #7C3AED 0%, #4C1D95 100%);
  --clr-sidebar-bg:    #4C1D95;
  --clr-sidebar-hover: rgba(255,255,255,0.08);
  --clr-sidebar-active:rgba(255,255,255,0.15);

  --clr-bg:            #F5F4FB;
  --clr-surface:       #FFFFFF;
  --clr-surface-2:     #F0EEF9;
  --clr-border:        #E5E1F5;
  --clr-border-light:  #EDE9FF;

  --clr-text:          #1E1B30;
  --clr-text-muted:    #6B6880;
  --clr-text-light:    #9C98B0;

  --clr-success:       #10B981;
  --clr-warning:       #F59E0B;
  --clr-danger:        #EF4444;
  --clr-info:          #3B82F6;

  --radius-sm:         6px;
  --radius-md:         10px;
  --radius-lg:         16px;
  --radius-xl:         24px;

  --shadow-sm:         0 1px 4px rgba(91,33,182,0.06), 0 0 0 1px rgba(91,33,182,0.04);
  --shadow-md:         0 4px 16px rgba(91,33,182,0.10), 0 1px 4px rgba(91,33,182,0.06);
  --shadow-lg:         0 12px 40px rgba(91,33,182,0.16), 0 2px 8px rgba(91,33,182,0.08);
  --shadow-xl:         0 24px 64px rgba(91,33,182,0.22), 0 4px 16px rgba(91,33,182,0.12);

  --sidebar-w:         260px;
  --header-h:          64px;
  --transition:        0.2s cubic-bezier(0.4,0,0.2,1);
}

/* ══ RESET & BASE ══════════════════════════════════ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--clr-bg);
  color: var(--clr-text);
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  overflow: hidden;
}

a { text-decoration: none; color: inherit; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, select, textarea { font-family: inherit; outline: none; border: none; }
ul { list-style: none; }

/* ══ PAGE SYSTEM ═══════════════════════════════════ */
.page { display: none; width: 100%; height: 100vh; }
.page.active { display: flex; }

/* ══════════════════════════════════════════════════
   LOGIN PAGE
══════════════════════════════════════════════════ */
.login-left {
  width: 50%;
  flex-shrink: 0;
  background: var(--clr-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 40px;
  position: relative;
  overflow: hidden;
}

.login-left::before {
  content: '';
  position: absolute;
  top: -100px; right: -100px;
  width: 380px; height: 380px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  pointer-events: none;
}
.login-left::after {
  content: '';
  position: absolute;
  bottom: -60px; left: -60px;
  width: 260px; height: 260px;
  border-radius: 50%;
  background: rgba(255,255,255,0.04);
  pointer-events: none;
}

.login-left-content { position: relative; z-index: 1; color: white; }

.login-brand-logo { margin-bottom: 20px; }

.login-brand-title {
  font-size: 30px;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 8px;
  color: white;
}

.login-brand-sub {
  font-size: 14px;
  color: rgba(255,255,255,0.7);
  line-height: 1.7;
  margin-bottom: 0;
}

/* login features removed */

.login-right {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: white;
  padding: 48px 32px;
}

.login-form-container { width: 100%; max-width: 420px; }

.login-heading {
  font-size: 28px;
  font-weight: 800;
  color: var(--clr-text);
  margin-bottom: 6px;
  letter-spacing: -0.5px;
}

.login-sub {
  font-size: 14px;
  color: var(--clr-text-muted);
  margin-bottom: 36px;
}

.form-group { margin-bottom: 16px; }

.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  background: #F8F7FE;
  border: 1.5px solid var(--clr-border);
  border-radius: 50px;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.input-wrapper:focus-within {
  border-color: var(--clr-primary-light);
  box-shadow: 0 0 0 3px rgba(124,58,237,0.12);
  background: white;
}
.input-wrapper.error { border-color: var(--clr-danger); }

.input-icon {
  padding: 0 12px 0 16px;
  color: var(--clr-text-light);
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.input-wrapper input {
  flex: 1;
  padding: 14px 12px 14px 0;
  background: transparent;
  color: var(--clr-text);
  font-size: 14px;
}
.input-wrapper input::placeholder { color: var(--clr-text-light); }

.toggle-password {
  padding: 0 16px;
  color: var(--clr-text-light);
  display: flex;
  align-items: center;
  transition: color var(--transition);
  flex-shrink: 0;
}
.toggle-password:hover { color: var(--clr-primary); }

.form-options {
  display: flex;
  justify-content: flex-end;
  margin: 8px 4px 20px;
}

.forgot-pw {
  font-size: 13px;
  color: var(--clr-primary);
  cursor: pointer;
  font-weight: 500;
  transition: color var(--transition);
}
.forgot-pw:hover { color: var(--clr-primary-dark); }

.field-error {
  display: block;
  font-size: 12px;
  color: var(--clr-danger);
  margin-top: 6px;
  padding-left: 16px;
  min-height: 16px;
}

.btn-login {
  width: 100%;
  padding: 15px;
  background: var(--clr-gradient);
  color: white;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.3px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: opacity var(--transition), transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 4px 20px rgba(91,33,182,0.35);
}
.btn-login:hover {
  opacity: 0.92;
  transform: translateY(-1px);
  box-shadow: 0 8px 28px rgba(91,33,182,0.42);
}
.btn-login:active { transform: translateY(0); }

.login-hint {
  margin-top: 28px;
  font-size: 12px;
  color: var(--clr-text-muted);
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border-light);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  line-height: 1.8;
}

/* ══ SPINNER ═══════════════════════════════════════ */
.spinner {
  width: 18px; height: 18px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ══════════════════════════════════════════════════
   APP LAYOUT
══════════════════════════════════════════════════ */
#page-app {
  display: none;
  flex-direction: row;
  height: 100vh;
  overflow: hidden;
}
#page-app.active { display: flex; }

/* ══ SIDEBAR ═══════════════════════════════════════ */
.sidebar {
  width: var(--sidebar-w);
  background: var(--clr-sidebar-bg);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  transition: width var(--transition);
  overflow: hidden;
  position: relative;
  z-index: 100;
}

.sidebar.collapsed { width: 68px; }

.sidebar-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  min-height: 72px;
  transition: padding var(--transition);
}

.sidebar-logo { flex-shrink: 0; }

.sidebar-brand {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: opacity var(--transition), width var(--transition), max-width var(--transition);
}
.sidebar.collapsed .sidebar-brand { opacity: 0; width: 0; max-width: 0; pointer-events: none; }
.sidebar.collapsed .sidebar-logo { display: none; }

.sidebar-brand-name {
  font-size: 15px;
  font-weight: 700;
  color: white;
  white-space: nowrap;
}
.sidebar-brand-sub {
  font-size: 11px;
  color: rgba(255,255,255,0.55);
  white-space: nowrap;
}

.sidebar-collapse-btn {
  margin-left: auto;
  flex-shrink: 0;
  color: rgba(255,255,255,0.6);
  padding: 8px;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}
.sidebar-collapse-btn:hover { color: white; background: rgba(255,255,255,0.1); }

/* When collapsed: center the toggle button and hide logo */
.sidebar.collapsed .sidebar-header {
  padding: 20px 0;
  justify-content: center;
  gap: 0;
}
.sidebar.collapsed .sidebar-collapse-btn {
  margin-left: 0;
  width: 44px;
  height: 44px;
  background: rgba(255,255,255,0.1);
  color: white;
  border-radius: var(--radius-md);
}

/* Rotate chevron icon to indicate direction */
.sidebar-collapse-btn svg {
  transition: transform var(--transition);
}
.sidebar.collapsed .sidebar-collapse-btn svg {
  transform: rotate(180deg);
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.user-avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  color: white;
  flex-shrink: 0;
  border: 2px solid rgba(255,255,255,0.25);
}

.user-info {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: opacity var(--transition);
}
.sidebar.collapsed .user-info { opacity: 0; width: 0; pointer-events: none; }

.user-name {
  font-size: 13px;
  font-weight: 600;
  color: white;
  white-space: nowrap;
}
.user-role {
  font-size: 11px;
  color: rgba(255,255,255,0.55);
  white-space: nowrap;
}

.sidebar-nav {
  flex: 1;
  padding: 16px 8px;
  overflow-y: auto;
  overflow-x: hidden;
}

.nav-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.2px;
  color: rgba(255,255,255,0.35);
  padding: 0 10px;
  display: block;
  margin-bottom: 8px;
  white-space: nowrap;
  transition: opacity var(--transition);
}
.sidebar.collapsed .nav-label { opacity: 0; }

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--radius-md);
  color: rgba(255,255,255,0.7);
  font-size: 13.5px;
  font-weight: 500;
  transition: background var(--transition), color var(--transition);
  white-space: nowrap;
  position: relative;
  cursor: pointer;
  margin-bottom: 2px;
}
.nav-item:hover { background: var(--clr-sidebar-hover); color: white; }
.nav-item.active {
  background: var(--clr-sidebar-active);
  color: white;
  font-weight: 600;
}
.nav-item.active::before {
  content: '';
  position: absolute;
  left: 0; top: 20%; bottom: 20%;
  width: 3px;
  border-radius: 0 3px 3px 0;
  background: var(--clr-accent-soft);
}

.nav-icon { display: flex; flex-shrink: 0; }
.nav-text { transition: opacity var(--transition); }
.sidebar.collapsed .nav-text { opacity: 0; width: 0; overflow: hidden; }

.sidebar-footer {
  padding: 12px 8px;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.btn-logout {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 10px 12px;
  border-radius: var(--radius-md);
  color: rgba(255,255,255,0.6);
  font-size: 13.5px;
  font-weight: 500;
  transition: background var(--transition), color var(--transition);
  white-space: nowrap;
}
.btn-logout:hover { background: rgba(239,68,68,0.15); color: #FCA5A5; }

/* ══ MAIN CONTENT ══════════════════════════════════ */
.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--clr-bg);
}

/* ══ TOP HEADER ════════════════════════════════════ */
.top-header {
  height: var(--header-h);
  background: white;
  border-bottom: 1px solid var(--clr-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  gap: 16px;
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}

.header-left { display: flex; align-items: center; gap: 16px; }

.mobile-menu-btn {
  display: none;
  color: var(--clr-text-muted);
  padding: 8px;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}
.mobile-menu-btn:hover { color: var(--clr-primary); background: var(--clr-surface-2); }

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--clr-text-muted);
}
.breadcrumb span:last-child { color: var(--clr-text); font-weight: 600; }
.breadcrumb svg { opacity: 0.4; }

.header-right { display: flex; align-items: center; gap: 12px; }

.role-badge {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
  padding: 4px 12px;
  border-radius: 50px;
  background: linear-gradient(135deg, #EDE9FF 0%, #DDD6FE 100%);
  color: var(--clr-primary);
  border: 1px solid #C4B5FD;
}

.btn-add-content {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 18px;
  background: var(--clr-gradient);
  color: white;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 600;
  box-shadow: 0 3px 12px rgba(91,33,182,0.3);
  transition: opacity var(--transition), transform var(--transition), box-shadow var(--transition);
}
.btn-add-content:hover {
  opacity: 0.9;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(91,33,182,0.38);
}

/* ══ VIEWS ═════════════════════════════════════════ */
.view { display: none; flex: 1; overflow-y: auto; }
.view.active { display: flex; flex-direction: column; }

.view-inner {
  padding: 28px 32px;
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
  flex: 1;
}

/* ══ DASHBOARD ════════════════════════════════════ */
.dashboard-hero {
  margin-bottom: 28px;
}

.dashboard-title {
  font-size: 26px;
  font-weight: 800;
  color: var(--clr-text);
  letter-spacing: -0.5px;
  margin-bottom: 6px;
}

.dashboard-subtitle {
  font-size: 14px;
  color: var(--clr-text-muted);
  max-width: 540px;
}

.dashboard-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 36px;
}

.stat-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  border: 1px solid var(--clr-border-light);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}
.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.stat-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.stat-icon-video { background: linear-gradient(135deg,#EDE9FF,#DDD6FE); color: var(--clr-primary); }
.stat-icon-doc   { background: linear-gradient(135deg,#D1FAE5,#A7F3D0); color: #059669; }
.stat-icon-cat   { background: linear-gradient(135deg,#FEF3C7,#FDE68A); color: #D97706; }

.stat-info { display: flex; flex-direction: column; }

.stat-number {
  font-size: 28px;
  font-weight: 800;
  color: var(--clr-text);
  line-height: 1;
  margin-bottom: 4px;
}

.stat-label {
  font-size: 12px;
  color: var(--clr-text-muted);
  font-weight: 500;
}

.section-heading {
  font-size: 17px;
  font-weight: 700;
  color: var(--clr-text);
  margin-bottom: 16px;
}

/* ══ CATEGORY CARDS ════════════════════════════════ */
.category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.category-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 28px 24px 20px;
  border: 1px solid var(--clr-border-light);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.category-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--clr-accent-soft);
}
.category-card:hover .cat-card-glow { opacity: 1; }
.category-card:focus { outline: 2px solid var(--clr-primary); outline-offset: 2px; }

.cat-card-icon {
  width: 60px; height: 60px;
  background: var(--clr-gradient);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: 0 4px 16px rgba(91,33,182,0.3);
}

.category-card:nth-child(2) .cat-card-icon { background: linear-gradient(140deg,#10B981,#059669); box-shadow: 0 4px 16px rgba(16,185,129,0.3); }
.category-card:nth-child(3) .cat-card-icon { background: linear-gradient(140deg,#3B82F6,#1D4ED8); box-shadow: 0 4px 16px rgba(59,130,246,0.3); }
.category-card:nth-child(4) .cat-card-icon { background: linear-gradient(140deg,#F59E0B,#D97706); box-shadow: 0 4px 16px rgba(245,158,11,0.3); }

.cat-card-body h3 {
  font-size: 15px;
  font-weight: 700;
  color: var(--clr-text);
  margin-bottom: 8px;
}
.cat-card-body p {
  font-size: 12.5px;
  color: var(--clr-text-muted);
  line-height: 1.6;
}

.cat-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--clr-border-light);
}

.cat-count {
  font-size: 12px;
  font-weight: 600;
  color: var(--clr-primary);
  background: var(--clr-surface-2);
  padding: 3px 10px;
  border-radius: 50px;
}

.cat-arrow {
  font-size: 16px;
  color: var(--clr-text-light);
  transition: transform var(--transition), color var(--transition);
}
.category-card:hover .cat-arrow {
  transform: translateX(4px);
  color: var(--clr-primary);
}

.cat-card-glow {
  position: absolute;
  inset: 0;
  background: linear-gradient(140deg,rgba(124,58,237,0.04),transparent);
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
}

/* ══ CONTENT VIEW ══════════════════════════════════ */
.content-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 20px;
}

.content-title {
  font-size: 22px;
  font-weight: 800;
  color: var(--clr-text);
  letter-spacing: -0.3px;
  margin-bottom: 4px;
}

.content-subtitle {
  font-size: 13px;
  color: var(--clr-text-muted);
}

/* ══ TOOLBAR ════════════════════════════════════════ */
.content-toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  position: sticky;
  top: 0;
  background: var(--clr-bg);
  padding: 12px 0;
  z-index: 10;
  border-bottom: 1px solid var(--clr-border-light);
}

.search-wrapper {
  flex: 1;
  position: relative;
  display: flex;
  align-items: center;
}

.search-icon {
  position: absolute;
  left: 14px;
  color: var(--clr-text-light);
  pointer-events: none;
}

.search-input {
  width: 100%;
  padding: 10px 40px 10px 40px;
  background: white;
  border: 1.5px solid var(--clr-border);
  border-radius: 50px;
  font-size: 13.5px;
  color: var(--clr-text);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.search-input::placeholder { color: var(--clr-text-light); }
.search-input:focus {
  border-color: var(--clr-primary-light);
  box-shadow: 0 0 0 3px rgba(124,58,237,0.1);
}

.search-clear {
  position: absolute;
  right: 14px;
  font-size: 12px;
  color: var(--clr-text-light);
  width: 20px; height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--clr-surface-2);
  transition: background var(--transition), color var(--transition);
}
.search-clear:hover { background: var(--clr-border); color: var(--clr-text); }

.view-toggle {
  display: flex;
  background: white;
  border: 1.5px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 3px;
  gap: 2px;
}

.toggle-btn {
  padding: 7px 10px;
  border-radius: 6px;
  color: var(--clr-text-muted);
  display: flex;
  align-items: center;
  transition: background var(--transition), color var(--transition);
}
.toggle-btn.active {
  background: var(--clr-primary);
  color: white;
  box-shadow: 0 2px 8px rgba(91,33,182,0.3);
}
.toggle-btn:not(.active):hover { background: var(--clr-surface-2); color: var(--clr-text); }

/* ══ CONTENT GRID ══════════════════════════════════ */
.content-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  padding-top: 8px;
}

.content-card {
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--clr-border-light);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.content-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--clr-accent-soft);
}

.card-thumb {
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.card-thumb-video { background: linear-gradient(135deg,#1E1B30 0%,#3B0764 100%); }
.card-thumb-pdf   { background: linear-gradient(135deg,#1E293B 0%,#0F172A 100%); }

.card-thumb-icon { font-size: 36px; opacity: 0.85; }

.card-thumb-badge {
  position: absolute;
  top: 10px;
  right: 10px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.5px;
  padding: 3px 8px;
  border-radius: 50px;
}
.badge-video { background: rgba(124,58,237,0.85); color: white; }
.badge-pdf   { background: rgba(239,68,68,0.85);  color: white; }
.badge-word  { background: rgba(37,99,235,0.85);  color: white; }

/* Thumbnail image from actual uploaded file */
.card-thumb-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  position: absolute;
  inset: 0;
}

/* Admin delete button on grid card thumbnail */
.card-delete-btn {
  position: absolute;
  top: 8px;
  left: 8px;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  background: rgba(239,68,68,0.82);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1.5px solid rgba(255,255,255,0.25);
  cursor: pointer;
  opacity: 0;
  transition: opacity var(--transition), transform var(--transition), background var(--transition);
  z-index: 2;
  backdrop-filter: blur(4px);
}
.content-card:hover .card-delete-btn { opacity: 1; }
.card-delete-btn:hover { background: #DC2626; transform: scale(1.1); }

.card-body { padding: 14px 16px 16px; }

.card-title {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--clr-text);
  margin-bottom: 8px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-meta {
  font-size: 11.5px;
  color: var(--clr-text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}
.card-meta svg { flex-shrink: 0; }

.card-hint {
  font-size: 10.5px;
  color: var(--clr-text-light);
  margin-top: 8px;
  font-style: italic;
}

/* ══ LIST VIEW ══════════════════════════════════════ */
.list-table {
  width: 100%;
  border-collapse: collapse;
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--clr-border-light);
}

.list-table thead tr {
  background: var(--clr-surface-2);
}

.list-table th {
  padding: 12px 20px;
  text-align: left;
  font-size: 11.5px;
  font-weight: 700;
  color: var(--clr-primary);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  border-bottom: 1px solid var(--clr-border);
}

.list-table tbody tr {
  border-bottom: 1px solid var(--clr-border-light);
  transition: background var(--transition);
  cursor: pointer;
}
.list-table tbody tr:last-child { border-bottom: none; }
.list-table tbody tr:hover { background: #FAF9FF; }

.list-table td {
  padding: 14px 20px;
  font-size: 13.5px;
  color: var(--clr-text);
  vertical-align: middle;
}

.list-type-badge {
  font-size: 10.5px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 50px;
  letter-spacing: 0.4px;
}
.list-type-video { background: #EDE9FF; color: var(--clr-primary); }
.list-type-pdf   { background: #FEE2E2; color: var(--clr-danger); }
.list-type-word  { background: #DBEAFE; color: #1D4ED8; }

.list-meta {
  font-size: 12.5px;
  color: var(--clr-text-muted);
}

.list-action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  border: 1.5px solid transparent;
  background: transparent;
  cursor: pointer;
  transition: all var(--transition);
}
.list-action-btn.edit-btn {
  color: var(--clr-primary);
  background: var(--clr-bg);
}
.list-action-btn.edit-btn:hover {
  background: var(--clr-primary-light);
  border-color: var(--clr-primary);
  color: var(--clr-primary-dark);
}
.list-action-btn.delete-btn {
  color: var(--clr-danger);
  background: var(--clr-bg);
}
.list-action-btn.delete-btn:hover {
  background: #FEE2E2;
  border-color: var(--clr-danger);
  color: #B91C1C;
}

/* ══ EMPTY STATE ════════════════════════════════════ */
.content-empty {
  text-align: center;
  padding: 80px 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.empty-icon { font-size: 56px; margin-bottom: 8px; }
.content-empty h3 { font-size: 18px; font-weight: 700; color: var(--clr-text); }
.content-empty p { font-size: 13.5px; color: var(--clr-text-muted); }

/* ══════════════════════════════════════════════════
   UPLOAD MODAL
══════════════════════════════════════════════════ */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15,10,30,0.6);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  animation: fadeIn 0.2s ease;
  padding: 24px;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.modal {
  background: white;
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 520px;
  box-shadow: var(--shadow-xl);
  animation: slideUp 0.25s cubic-bezier(0.34,1.56,0.64,1);
  overflow: hidden;
}
@keyframes slideUp { from { transform: translateY(24px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--clr-border-light);
  background: linear-gradient(to right, #FAF9FF, white);
}

.modal-header h2 {
  font-size: 17px;
  font-weight: 700;
  color: var(--clr-text);
}

.modal-close {
  width: 32px; height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--clr-text-muted);
  transition: background var(--transition), color var(--transition);
}
.modal-close:hover { background: var(--clr-surface-2); color: var(--clr-text); }

.modal-body { padding: 24px; }

.form-label {
  display: block;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--clr-text-muted);
  margin-bottom: 8px;
  letter-spacing: 0.2px;
}
.required { color: var(--clr-danger); }

.form-input {
  width: 100%;
  padding: 11px 14px;
  background: var(--clr-surface-2);
  border: 1.5px solid var(--clr-border);
  border-radius: var(--radius-md);
  font-size: 14px;
  color: var(--clr-text);
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}
.form-input:focus {
  border-color: var(--clr-primary-light);
  box-shadow: 0 0 0 3px rgba(124,58,237,0.1);
  background: white;
}
.form-input.error { border-color: var(--clr-danger); }

.form-select { appearance: none; cursor: pointer; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236B6880' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 36px; }

/* Drop Zone */
.drop-zone {
  border: 2px dashed var(--clr-border);
  border-radius: var(--radius-lg);
  background: var(--clr-surface-2);
  min-height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition), box-shadow var(--transition);
  position: relative;
}
.drop-zone:hover, .drop-zone.drag-over {
  border-color: var(--clr-primary-light);
  background: #F5F3FF;
  box-shadow: 0 0 0 4px rgba(124,58,237,0.06);
}

.drop-zone-content {
  text-align: center;
  padding: 24px;
}
.drop-icon { color: var(--clr-accent); margin-bottom: 12px; display: flex; justify-content: center; }
.drop-text { font-size: 14px; font-weight: 600; color: var(--clr-text); margin-bottom: 4px; }
.drop-subtext { font-size: 13px; color: var(--clr-text-muted); margin-bottom: 8px; }
.drop-browse { color: var(--clr-primary); font-weight: 600; cursor: pointer; }
.drop-types { font-size: 11px; color: var(--clr-text-light); }

.drop-zone-preview {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  width: 100%;
}
.file-preview-icon { font-size: 32px; }
.file-preview-info { flex: 1; overflow: hidden; }
.file-preview-name { display: block; font-size: 13.5px; font-weight: 600; color: var(--clr-text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.file-preview-size { font-size: 12px; color: var(--clr-text-muted); }

.file-remove-btn {
  font-size: 14px;
  color: var(--clr-text-muted);
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--clr-border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background var(--transition), color var(--transition);
}
.file-remove-btn:hover { background: var(--clr-danger); color: white; }

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding-top: 20px;
  margin-top: 4px;
  border-top: 1px solid var(--clr-border-light);
}

.btn-cancel {
  padding: 10px 20px;
  border-radius: 50px;
  border: 1.5px solid var(--clr-border);
  font-size: 13.5px;
  font-weight: 600;
  color: var(--clr-text-muted);
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}
.btn-cancel:hover { background: var(--clr-surface-2); color: var(--clr-text); border-color: var(--clr-text-light); }

.btn-submit {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  background: var(--clr-gradient);
  color: white;
  border-radius: 50px;
  font-size: 13.5px;
  font-weight: 600;
  box-shadow: 0 3px 12px rgba(91,33,182,0.3);
  transition: opacity var(--transition), transform var(--transition);
}
.btn-submit:hover { opacity: 0.9; transform: translateY(-1px); }
.btn-submit:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

/* ══════════════════════════════════════════════════
   MEDIA OVERLAY
══════════════════════════════════════════════════ */
.overlay-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(8,4,20,0.88);
  backdrop-filter: blur(12px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  animation: fadeIn 0.2s ease;
}

.overlay-container {
  width: 92vw;
  max-width: 1300px;
  height: 92vh;
  max-height: 92vh;
  background: #1A1628;
  border-radius: var(--radius-xl);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 32px 80px rgba(0,0,0,0.6), 0 0 0 1px rgba(255,255,255,0.05);
  animation: slideUp 0.25s cubic-bezier(0.34,1.56,0.64,1);
}

.overlay-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.03);
  flex-shrink: 0;
}

.overlay-title-group { display: flex; align-items: center; gap: 12px; overflow: hidden; }

.overlay-type-badge {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 1px;
  padding: 3px 10px;
  border-radius: 50px;
  flex-shrink: 0;
}
.overlay-type-badge.video { background: rgba(124,58,237,0.4); color: #C4B5FD; border: 1px solid rgba(124,58,237,0.4); }
.overlay-type-badge.pdf   { background: rgba(239,68,68,0.3);  color: #FCA5A5; border: 1px solid rgba(239,68,68,0.3); }
.overlay-type-badge.word  { background: rgba(37,99,235,0.35); color: #93C5FD; border: 1px solid rgba(37,99,235,0.35); }

/* Download button inside overlay (for Word docs) */
.overlay-download-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 20px;
  padding: 11px 24px;
  background: linear-gradient(135deg,#2563EB,#1D4ED8);
  color: white;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  box-shadow: 0 4px 14px rgba(37,99,235,0.4);
  transition: opacity 0.2s, transform 0.2s;
}
.overlay-download-btn:hover { opacity: 0.9; transform: translateY(-1px); }

.overlay-title {
  font-size: 15px;
  font-weight: 600;
  color: white;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.overlay-close {
  width: 36px; height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  color: rgba(255,255,255,0.5);
  flex-shrink: 0;
  transition: background var(--transition), color var(--transition);
}
.overlay-close:hover { background: rgba(255,255,255,0.1); color: white; }

.overlay-body {
  flex: 1;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background: #0D0B1A;
  min-height: 0;
}

.overlay-body video {
  max-width: 100%;
  max-height: 100%;
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
}

.overlay-body iframe {
  width: 100%;
  height: 100%;
  min-height: 0;
  flex: 1;
  border: none;
  display: block;
}

.overlay-body .overlay-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 48px;
  color: rgba(255,255,255,0.5);
  text-align: center;
}
.overlay-placeholder .ph-icon { font-size: 56px; }
.overlay-placeholder p { font-size: 13.5px; line-height: 1.6; }
.overlay-placeholder strong { color: rgba(255,255,255,0.8); display: block; font-size: 15px; margin-bottom: 4px; }

.overlay-footer {
  padding: 14px 24px;
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.03);
  flex-shrink: 0;
}

.page-indicator { display: flex; align-items: center; gap: 16px; }

.page-btn {
  width: 32px; height: 32px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.7);
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition), color var(--transition);
  line-height: 1;
}
.page-btn:hover { background: var(--clr-primary); color: white; }
.page-btn:disabled { opacity: 0.3; cursor: not-allowed; }

.page-display {
  font-size: 14px;
  font-weight: 600;
  color: white;
  min-width: 80px;
  text-align: center;
  font-variant-numeric: tabular-nums;
}

/* ══ SIDEBAR OVERLAY (mobile) ══════════════════════ */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 90;
}
.sidebar-overlay.active { display: block; }

/* ══════════════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════════════ */
@media (max-width: 1200px) {
  .category-grid { grid-template-columns: repeat(2, 1fr); }
  .content-grid  { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 900px) {
  .dashboard-stats { grid-template-columns: repeat(2, 1fr); }
  .content-grid { grid-template-columns: repeat(2, 1fr); }
  .category-grid { grid-template-columns: repeat(2, 1fr); }
}



@media (max-width: 768px) {
  body { overflow: auto; }

  #page-login { flex-direction: column; }

  .login-left {
    width: 100%;
    min-height: 160px;
    flex-shrink: 0;
    flex-direction: row;
    gap: 16px;
    padding: 24px;
  }
  .login-brand-sub { display: none; }
  .login-left-content { display: flex; flex-direction: row; align-items: center; gap: 16px; }
  .login-brand-title { margin-bottom: 0; font-size: 22px; }
  .login-left::before, .login-left::after { display: none; }

  .login-right { padding: 32px 24px; }

  #page-app.active { position: relative; }

  .sidebar {
    position: fixed;
    top: 0; left: 0; bottom: 0;
    z-index: 200;
    transform: translateX(-100%);
    transition: transform var(--transition);
  }
  .sidebar.mobile-open {
    transform: translateX(0);
    width: var(--sidebar-w) !important;
  }
  .sidebar.mobile-open .nav-text,
  .sidebar.mobile-open .sidebar-brand,
  .sidebar.mobile-open .user-info,
  .sidebar.mobile-open .nav-label { opacity: 1; width: auto; overflow: visible; }

  .mobile-menu-btn { display: flex; }

  .view-inner { padding: 20px 16px; }

  .dashboard-stats { grid-template-columns: 1fr 1fr; }
  .category-grid { grid-template-columns: 1fr; }
  .content-grid  { grid-template-columns: 1fr 1fr; }

  .sidebar-collapse-btn { display: none; }
}

@media (max-width: 500px) {
  .dashboard-stats { grid-template-columns: 1fr; }
  .content-grid { grid-template-columns: 1fr; }
  .content-toolbar { flex-wrap: wrap; }
  .top-header { padding: 0 16px; }
}

/* ══ SCROLLBAR ══════════════════════════════════════ */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--clr-border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--clr-accent-soft); }

.sidebar-nav::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.15); }
.sidebar-nav::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.25); }

/* ══ UTILITY ════════════════════════════════════════ */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

/* ══ ANALYTICS DASHBOARD ════════════════════════════ */
/* ══ ANALYTICS DASHBOARD (Unified Layout) ══════ */
.an-section { margin-bottom: 50px; }
.an-section-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; flex-wrap: wrap; gap: 12px; }
.an-section-title { font-size: 18px; font-weight: 700; color: var(--clr-text-dark); margin: 0; padding-bottom: 12px; position: relative; }
.an-section-title::after { content: ''; position: absolute; bottom: 0; left: 0; width: 40px; height: 3px; background: var(--clr-primary); border-radius: 2px; }

.an-head-toolbar { padding-bottom: 20px; border-bottom: 1px solid var(--clr-border); }

.an-kpi-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:20px; margin: 24px 0 32px; }
@media (max-width:1024px) { .an-kpi-grid { grid-template-columns:repeat(2,1fr); } }
@media (max-width:600px) { .an-kpi-grid { grid-template-columns:1fr; } }
.an-kpi { background:white; border:1px solid var(--clr-border); border-radius:14px; padding:24px; display:flex; align-items:center; gap:16px; box-shadow:var(--shadow-sm); transition:transform var(--transition),box-shadow var(--transition); }
.an-kpi:hover { transform:translateY(-2px); box-shadow:var(--shadow-md); }
.an-kpi-icon { width:48px; height:48px; border-radius:12px; display:flex; align-items:center; justify-content:center; flex-shrink:0; }
.an-kpi-label { font-size:12px; color:var(--clr-text-muted); font-weight:500; margin:0 0 4px; }
.an-kpi-value { font-size:28px; font-weight:800; color:var(--clr-text-dark); margin:0; }

.an-search { padding:8px 14px; border:1px solid var(--clr-border); border-radius:8px; font-size:13px; min-width:240px; outline:none; transition:border-color var(--transition); background: white; }
.an-search:focus { border-color:var(--clr-primary); }
.an-select { padding:8px 14px; border:1px solid var(--clr-border); border-radius:8px; font-size:13px; background:white; cursor:pointer; }
.an-export-btn { display:flex; align-items:center; gap:6px; padding:8px 18px; border-radius:8px; background:var(--clr-primary); border:none; font-size:13px; font-weight:700; color:white; text-decoration:none; transition:opacity var(--transition); }
.an-export-btn:hover { opacity: 0.9; color: white; }

.an-table-wrap { overflow-x:auto; border-radius:12px; border:1px solid var(--clr-border); background:white; box-shadow:var(--shadow-sm); }
.an-table { width:100%; border-collapse:collapse; font-size:13px; }
.an-table thead th { padding:12px 16px; text-align:left; font-size:11px; font-weight:700; text-transform:uppercase; letter-spacing:0.05em; color:var(--clr-text-muted); background:var(--clr-bg-muted); border-bottom:1px solid var(--clr-border); }
.an-table tbody tr { border-bottom:1px solid var(--clr-bg-muted); transition:background var(--transition); }
.an-table tbody tr:last-child { border-bottom:none; }
.an-table tbody tr:hover { background:#FAFAFA; }
.an-table td { padding:12px 16px; color:var(--clr-text-dark); vertical-align:middle; }

.badge-completed { background:#DCFCE7; color:#15803D; padding:3px 10px; border-radius:50px; font-size:11px; font-weight:700; }
.badge-in-progress { background:#FEF3C7; color:#92400E; padding:3px 10px; border-radius:50px; font-size:11px; font-weight:700; }
.badge-not-started { background:#FEE2E2; color:#B91C1C; padding:3px 10px; border-radius:50px; font-size:11px; font-weight:700; }

.an-progress-bar { display:flex; align-items:center; gap:8px; }
.an-progress-track { flex:1; height:6px; background:#F3F4F6; border-radius:3px; overflow:hidden; min-width:60px; }
.an-progress-fill { height:100%; border-radius:3px; }

.an-charts-grid { display:grid; grid-template-columns:1fr 1fr; gap:24px; }
@media (max-width:900px) { .an-charts-grid { grid-template-columns:1fr; } }
.an-chart-card { background:white; border:1px solid var(--clr-border); border-radius:14px; padding:24px; box-shadow:var(--shadow-sm); }
.an-chart-card h4 { font-size:14px; font-weight:700; color:var(--clr-text-dark); margin:0 0 20px; }

.an-alert-banner { display:flex; align-items:center; gap:10px; background:#FFF7ED; border:1px solid #FED7AA; border-radius:10px; padding:14px 20px; font-size:14px; font-weight:600; color:#C2410C; margin-bottom:20px; }
.an-table tr.zero-row { background:#FFF7F7; }

.btn-drill { display:flex; align-items:center; justify-content:center; width:26px; height:26px; border-radius:50%; border:1px solid var(--clr-border); background:white; color:var(--clr-text-muted); cursor:pointer; transition:all var(--transition); }
.btn-drill:hover { border-color:var(--clr-primary); color:var(--clr-primary); }
.drill-inner { padding:16px 24px; background:var(--clr-bg-muted); border-top:1px solid var(--clr-border); }
.drill-inner-table { width:100%; border-collapse:collapse; font-size:12px; }
.drill-inner-table th { color:var(--clr-text-muted); font-weight:600; text-transform:uppercase; font-size:10px; padding:4px 8px; }
.drill-inner-table td { padding:6px 8px; border-bottom:1px solid rgba(0,0,0,0.05); }

.an-pagination { display:flex; justify-content:flex-end; align-items:center; gap:12px; margin-top:16px; }
.an-skeleton { background:linear-gradient(90deg,#F3F4F6 25%,#E9EAEB 50%,#F3F4F6 75%); background-size:200% 100%; animation:shimmer 1.4s infinite; border-radius:6px; height:16px; }
@keyframes shimmer { 0%{background-position:-200% 0} 100%{background-position:200% 0} }

/* ══ UPLOAD PROGRESS ══════════════ */
#upload-progress-container {
  animation: uploadProgressFadeIn 0.3s ease;
}
#upload-progress-fill {
  background: linear-gradient(90deg, var(--clr-primary), #6366F1) !important;
  box-shadow: 0 0 10px rgba(79, 70, 229, 0.3);
}
@keyframes uploadProgressFadeIn {
  from { opacity: 0; transform: translateY(5px); }
  to { opacity: 1; transform: translateY(0); }
}
.an-skeleton { background:linear-gradient(90deg,#F3F4F6 25%,#E9EAEB 50%,#F3F4F6 75%); background-size:200% 100%; animation:shimmer 1.4s infinite; border-radius:6px; height:16px; }