@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Sora:wght@400;600;700&display=swap');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --navy: #0f172a;
  --navy-light: #1e293b;
  --blue: #3b82f6;
  --blue-hover: #2563eb;
  --blue-light: #eff6ff;
  --indigo: #4f46e5;
  --purple: #8b5cf6;
  --pink: #ec4899;
  --bg: #f8fafc;
  --bg-secondary: #f1f5f9;
  --white: #ffffff;
  --text: #0f172a;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --border: #e2e8f0;
  --border-light: #f1f5f9;
  --success: #10b981;
  --success-light: #d1fae5;
  --warning: #f59e0b;
  --warning-light: #fef3c7;
  --error: #ef4444;
  --error-light: #fee2e2;
  --info: #3b82f6;
  --info-light: #dbeafe;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
  --radius-sm: 6px;
  --radius: 12px;
  --radius-md: 16px;
  --radius-lg: 20px;
  --radius-xl: 24px;
  --sidebar-w: 260px;
  --header-h: 72px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.15s ease;
  --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-blue: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
  --gradient-purple: linear-gradient(135deg, #8b5cf6 0%, #6d28d9 100%);
  --gradient-success: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--bg);
  color: var(--text);
  display: flex;
  min-height: 100vh;
  line-height: 1.5;
}

/* ── SIDEBAR ── */
.sidebar {
  width: var(--sidebar-w);
  background: linear-gradient(180deg, var(--navy) 0%, var(--navy-light) 100%);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0;
  height: 100vh;
  z-index: 100;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  overflow-y: auto;
  scrollbar-width: thin;
  backdrop-filter: blur(10px);
  box-shadow: 4px 0 20px rgba(0,0,0,0.2);
}

.sidebar::-webkit-scrollbar { width: 4px; }
.sidebar::-webkit-scrollbar-track { background: rgba(255,255,255,0.05); }
.sidebar::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.2); border-radius: 4px; }

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 24px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-bottom: 20px;
}

.logo-icon {
  width: 40px; height: 40px;
  background: var(--gradient-blue);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
  box-shadow: 0 4px 12px rgba(59,130,246,0.3);
}

.logo-text {
  font-family: 'Sora', sans-serif;
  font-size: 22px;
  font-weight: 700;
  background: linear-gradient(135deg, #fff 0%, #94a3b8 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.sidebar-nav {
  flex: 1;
  padding: 0 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: 12px;
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.nav-item::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.1);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.nav-item:hover::before { transform: scaleX(1); }
.nav-item:hover { color: #fff; }

.nav-item.active {
  background: var(--gradient-blue);
  color: #fff;
  box-shadow: 0 4px 12px rgba(59,130,246,0.3);
}
.nav-item.active::before { display: none; }

.nav-item svg { width: 20px; height: 20px; flex-shrink: 0; position: relative; z-index: 1; }
.nav-item span { position: relative; z-index: 1; }

.sidebar-footer {
  padding: 20px 16px;
  border-top: 1px solid rgba(255,255,255,0.08);
  margin-top: auto;
}

/* ── MAIN ── */
.main {
  margin-left: var(--sidebar-w);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background: var(--bg);
}

/* ── TOPBAR ── */
.topbar {
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 0 32px;
  height: var(--header-h);
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.hamburger {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  cursor: pointer;
  padding: 8px;
  margin-right: auto;
  border-radius: 10px;
  transition: var(--transition);
}
.hamburger:hover { background: var(--bg-secondary); }

.topbar-btn {
  background: var(--bg-secondary);
  border: none;
  width: 40px; height: 40px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  color: var(--text-muted);
  transition: var(--transition);
  position: relative;
}

.topbar-btn:hover { background: var(--border); transform: translateY(-2px); color: var(--blue); }

.topbar-btn::after {
  content: '3';
  position: absolute;
  top: -4px;
  right: -4px;
  background: var(--error);
  color: white;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 5px;
  border-radius: 20px;
  display: none;
}
.topbar-btn.has-notifications::after { display: block; }

.topbar-avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 700; font-size: 16px;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: var(--shadow-md);
}
.topbar-avatar:hover { transform: scale(1.05); box-shadow: var(--shadow-lg); }

/* ── CONTENT ── */
.content {
  padding: 32px;
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 340px;
  grid-template-rows: auto auto 1fr;
  gap: 28px;
  max-width: 1600px;
  margin: 0 auto;
  width: 100%;
}

/* ── WELCOME ── */
.welcome-bar {
  grid-column: 1;
  grid-row: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--white);
  padding: 28px 32px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}
.welcome-bar:hover { box-shadow: var(--shadow-xl); transform: translateY(-2px); }
.welcome-bar::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--gradient-primary);
}

.welcome-text h1 {
  font-family: 'Sora', sans-serif;
  font-size: 28px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--text) 0%, var(--blue) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 8px;
}
.welcome-text p { color: var(--text-muted); font-size: 15px; }

.btn-primary {
  background: var(--gradient-blue);
  color: #fff;
  border: none;
  padding: 12px 28px;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  display: flex; align-items: center; gap: 8px;
  transition: var(--transition);
  text-decoration: none;
  font-family: 'DM Sans', sans-serif;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}
.btn-primary::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  width: 0; height: 0;
  border-radius: 50%;
  background: rgba(255,255,255,0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}
.btn-primary:hover::before { width: 300px; height: 300px; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.btn-primary:active { transform: translateY(0); }

/* ── RIGHT COLUMN ── */
.right-col {
  grid-column: 2;
  grid-row: 1 / 4;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* ── PROGRESS CARDS ── */
.progress-section {
  grid-column: 1;
  grid-row: 2;
}

.section-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 20px;
}

.section-title {
  font-size: 20px; font-weight: 700;
  color: var(--text);
  font-family: 'Sora', sans-serif;
}

.dots-btn {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  cursor: pointer; color: var(--text-muted); font-size: 18px;
  padding: 6px 12px; border-radius: 8px;
  transition: var(--transition);
}
.dots-btn:hover { background: var(--border); color: var(--text); transform: translateY(-2px); }

.progress-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.pcard {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.pcard::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}
.pcard:hover { transform: translateY(-4px); box-shadow: var(--shadow-xl); }
.pcard:hover::before { transform: scaleX(1); }

.pcard-icon {
  width: 48px; height: 48px;
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 24px;
  margin-bottom: 16px;
  transition: var(--transition);
}
.pcard:hover .pcard-icon { transform: scale(1.05); }
.pcard-icon.blue { background: linear-gradient(135deg, var(--blue-light) 0%, var(--info-light) 100%); color: var(--blue); }
.pcard-icon.green { background: linear-gradient(135deg, var(--success-light) 0%, #a7f3d0 100%); color: var(--success); }
.pcard-icon.orange { background: linear-gradient(135deg, var(--warning-light) 0%, #fed7aa 100%); color: var(--warning); }

.pcard h3 {
  font-size: 32px; font-weight: 800; margin-bottom: 4px;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.pcard p { color: var(--text-muted); font-size: 14px; font-weight: 500; }

.pcard-meta {
  display: flex; align-items: center; gap: 8px;
  margin-top: 12px; font-size: 13px; color: var(--blue); font-weight: 500;
}

.btn-secondary {
  background: var(--gradient-blue);
  color: #fff;
  border: none;
  padding: 8px 20px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex; align-items: center; gap: 8px;
  transition: var(--transition);
  font-family: 'DM Sans', sans-serif;
  margin-top: 16px;
  box-shadow: var(--shadow-sm);
}
.btn-secondary:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-secondary:active { transform: translateY(0); }

/* ================================================
   FIXED COURSE CARD STYLES – now with wrapper support
   ================================================ */

.courses-section {
  grid-column: 1;
  grid-row: 3;
}

.course-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.course-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  color: var(--text);
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border);
  position: relative;
  height: 100%;
  min-height: 320px;
}

.course-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-2xl);
  border-color: var(--blue-light);
}

/* --- 1. Direct <img> inside card (generated by JS) --- */
.course-card > img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  display: block;
  flex-shrink: 0;
  transition: var(--transition);
}
.course-card:hover > img {
  transform: scale(1.02);
}

/* --- 2. Placeholder div (used when no image) --- */
.course-card .course-img-placeholder {
  width: 100%;
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 52px;
  color: white;
  flex-shrink: 0;
  background: var(--gradient-primary);
}

/* --- 3. The .course-image-wrapper container (used in static HTML) --- */
.course-card .course-image-wrapper {
  width: 100%;
  height: 160px;
  flex-shrink: 0;
  overflow: hidden;
  position: relative;
  background: var(--gradient-primary);
  display: block;
}

/* Make the placeholder fill the wrapper */
.course-card .course-image-wrapper .course-img-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 52px;
  color: white;
  background: var(--gradient-primary);
}

/* Also handle any image inside the wrapper */
.course-card .course-image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* --- 4. Fallback: any direct child div that is not .course-body (catches other wrappers) --- */
.course-card > div:first-child:not(.course-body) {
  width: 100%;
  height: 160px;
  flex-shrink: 0;
  overflow: hidden;
  position: relative;
  background: var(--gradient-primary);
  display: block;
}
.course-card > div:first-child:not(.course-body) img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* --- Course body (always stays below image) --- */
.course-card .course-body {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
  background: var(--white);
  min-height: 160px;
}

.course-card .course-title {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text);
}

.course-card .course-sub {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 12px;
  line-height: 1.4;
  flex-shrink: 0;
}

.course-card .progress-bar-wrap {
  height: 6px;
  background: var(--border);
  border-radius: 99px;
  margin-top: auto;
  overflow: hidden;
  flex-shrink: 0;
}

.course-card .progress-fill {
  height: 100%;
  background: var(--gradient-blue);
  border-radius: 99px;
  transition: width 0.4s ease;
  position: relative;
  overflow: hidden;
}

.course-card .progress-fill::after {
  content: '';
  position: absolute;
  top: 0; left: 0; bottom: 0; right: 0;
  background: linear-gradient(90deg, rgba(255,255,255,0.2) 0%, rgba(255,255,255,0) 50%);
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.course-card .progress-label {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 8px;
  font-weight: 500;
  flex-shrink: 0;
}

.course-card .btn-continue,
.course-card .btn-outline {
  display: block;
  width: 100%;
  padding: 10px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 600;
  text-align: center;
  margin-top: 16px;
  cursor: pointer;
  transition: var(--transition);
  font-family: 'DM Sans', sans-serif;
  flex-shrink: 0;
  border: none;
}

.course-card .btn-continue {
  background: var(--gradient-blue);
  color: #fff;
  box-shadow: var(--shadow-sm);
}
.course-card .btn-continue:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.course-card .btn-outline {
  background: transparent;
  color: var(--blue);
  border: 2px solid var(--blue);
}
.course-card .btn-outline:hover {
  background: var(--gradient-blue);
  color: #fff;
  transform: translateY(-2px);
  border-color: transparent;
}

/* ── EMPTY / LOADING / ERROR STATES ── */
.empty-state {
  text-align: center;
  padding: 80px 40px;
  color: var(--text-muted);
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
}
.empty-state .icon { font-size: 64px; margin-bottom: 20px; opacity: 0.5; }
.empty-state p { margin-bottom: 20px; font-size: 16px; }

.loading-spinner {
  text-align: center;
  padding: 80px 40px;
  color: var(--text-muted);
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
}
.spinner {
  width: 48px; height: 48px;
  margin: 0 auto 20px;
  border: 3px solid var(--border);
  border-top-color: var(--blue);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.error-state {
  text-align: center;
  padding: 60px 40px;
  color: var(--error);
  background: var(--error-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid #fecaca;
}
.error-state .icon { font-size: 48px; margin-bottom: 16px; }

/* ── RIGHT COLUMN CARDS ── */
.panel {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  border: 1px solid var(--border);
}
.panel:hover { box-shadow: var(--shadow-xl); transform: translateY(-2px); }

.panel-title {
  font-size: 16px; font-weight: 700;
  padding: 20px 20px 0;
  color: var(--text);
  font-family: 'Sora', sans-serif;
}

.event-card {
  margin: 16px;
  border-radius: 12px;
  overflow: hidden;
  transition: var(--transition);
  cursor: pointer;
}
.event-card:hover { transform: translateX(4px); }

.event-card-blue {
  background: var(--gradient-primary);
  color: #fff;
  padding: 20px;
}
.event-card-yellow {
  background: linear-gradient(135deg, var(--warning-light) 0%, #fef3c7 100%);
  border: 1px solid #fde68a;
  padding: 20px;
  border-radius: 12px;
}

.event-title { font-size: 15px; font-weight: 700; margin-bottom: 6px; line-height: 1.4; }
.event-date { font-size: 12px; opacity: 0.8; margin-top: 4px; display: flex; align-items: center; gap: 4px; }

.event-footer {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: 16px;
}
.event-instructor {
  display: flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 500;
}
.event-avatar {
  width: 28px; height: 28px; border-radius: 50%;
  background: rgba(255,255,255,0.3);
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 700;
}

.btn-event {
  background: var(--gradient-blue);
  color: #fff;
  border: none;
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  font-family: 'DM Sans', sans-serif;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}
.btn-event:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }

.btn-event-outline {
  background: transparent;
  color: var(--warning);
  border: 2px solid var(--warning);
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  font-family: 'DM Sans', sans-serif;
  transition: var(--transition);
}
.btn-event-outline:hover { background: var(--warning); color: #fff; transform: translateY(-2px); }

.tutor-panel {
  background: var(--gradient-primary);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.tutor-panel::before {
  content: '';
  position: absolute;
  top: -50%; right: -50%;
  width: 200%; height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
  opacity: 0;
  transition: var(--transition);
}
.tutor-panel:hover { transform: translateY(-4px); box-shadow: var(--shadow-xl); }
.tutor-panel:hover::before { opacity: 1; }

.tutor-text { position: relative; z-index: 1; }
.tutor-text h3 { font-size: 18px; font-weight: 700; margin-bottom: 6px; color: #fff; }
.tutor-text p { font-size: 13px; color: rgba(255,255,255,0.9); margin-bottom: 12px; }

.tutor-img { font-size: 56px; flex-shrink: 0; transition: var(--transition); position: relative; z-index: 1; }
.tutor-panel:hover .tutor-img { transform: scale(1.1) rotate(5deg); }

/* ── OVERLAY ── */
.overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 99;
  backdrop-filter: blur(4px);
  transition: var(--transition);
}
.overlay.show { display: block; animation: fadeIn 0.3s ease; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

/* ── RESPONSIVE ── */
@media (max-width: 1280px) {
  .course-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 1024px) {
  .content {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 24px;
  }
  .right-col {
    grid-column: 1;
    grid-row: auto;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .welcome-bar, .progress-section, .courses-section { grid-column: 1; }
}

@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .main { margin-left: 0; }
  .hamburger { display: flex; }

  .content { padding: 20px; gap: 20px; }
  .progress-cards { grid-template-columns: 1fr; }
  .course-grid { grid-template-columns: 1fr; }
  .right-col { grid-template-columns: 1fr; }

  .welcome-bar { flex-direction: column; align-items: flex-start; gap: 16px; padding: 24px; }
  .welcome-text h1 { font-size: 24px; }
  .topbar { padding: 0 20px; }
  .section-title { font-size: 18px; }

  .course-card > img,
  .course-card .course-img-placeholder,
  .course-card .course-image-wrapper,
  .course-card > div:first-child:not(.course-body) {
    height: 140px;
  }
}

@media (max-width: 480px) {
  .content { padding: 16px; }
  .pcard h3 { font-size: 28px; }
  .pcard { padding: 20px; }
  .btn-primary, .btn-secondary { padding: 10px 20px; font-size: 13px; }
  .course-card .course-body { padding: 16px; }

  .course-card > img,
  .course-card .course-img-placeholder,
  .course-card .course-image-wrapper,
  .course-card > div:first-child:not(.course-body) {
    height: 120px;
  }
}

/* ── PRINT ── */
@media print {
  .sidebar, .topbar, .right-col, .dots-btn, .btn-primary, .btn-secondary {
    display: none !important;
  }
  .main { margin-left: 0 !important; }
  .content { padding: 0 !important; }
  .course-card { break-inside: avoid; page-break-inside: avoid; }
  .pcard, .course-card, .panel { box-shadow: none; border: 1px solid #ddd; }
}

/* ── ANIMATIONS ── */
@keyframes slideInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-20px); }
  to { opacity: 1; transform: translateX(0); }
}

.pcard, .course-card, .panel { animation: slideInUp 0.5s ease backwards; }
.pcard:nth-child(1) { animation-delay: 0.1s; }
.pcard:nth-child(2) { animation-delay: 0.2s; }
.pcard:nth-child(3) { animation-delay: 0.3s; }
.welcome-bar { animation: slideInLeft 0.5s ease; }

html { scroll-behavior: smooth; }

button:focus-visible,
a:focus-visible,
.nav-item:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
  border-radius: 4px;
}

button:disabled,
.btn-primary:disabled,
.btn-secondary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
  filter: grayscale(0.1);
}

::selection { background: var(--blue-light); color: var(--blue); }

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg-secondary); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

.hidden { display: none !important; }

/* ── EXTRA HOVER EFFECTS ── */
.course-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0) 0%, rgba(0,0,0,0.02) 100%);
  opacity: 0;
  transition: var(--transition);
  pointer-events: none;
  z-index: 0;
}
.course-card:hover::before { opacity: 1; }
.course-card .course-body { position: relative; z-index: 1; }

.btn-primary::before,
.btn-secondary::before,
.btn-continue::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  width: 0; height: 0;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}
.btn-primary:hover::before,
.btn-secondary:hover::before,
.btn-continue:hover::before {
  width: 300px; height: 300px;
}

.tutor-panel .btn-secondary {
  background: rgba(255,255,255,0.2);
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255,255,255,0.3);
}
.tutor-panel .btn-secondary:hover {
  background: rgba(255,255,255,0.3);
}