/* ============================================
   🎨 MODERN UI ENHANCEMENTS - USER PORTAL
   ============================================ */

:root {
  /* Modern Color Palette */
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --primary-light: #818cf8;
  --secondary: #8b5cf6;
  --accent: #ec4899;
  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;
  
  /* Backgrounds */
  --bg-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --bg-secondary: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
  --bg-card: rgba(255, 255, 255, 0.95);
  --bg-glass: rgba(255, 255, 255, 0.1);
  
  /* Text */
  --text-primary: #1f2937;
  --text-secondary: #6b7280;
  --text-light: #9ca3af;
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 30px rgba(0,0,0,0.15);
  --shadow-xl: 0 20px 50px rgba(0,0,0,0.2);
  
  /* Borders */
  --border-radius: 16px;
  --border-radius-sm: 12px;
  --border-radius-lg: 24px;
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

body {
  font-family: 'Poppins', sans-serif;
  background: var(--bg-secondary);
  margin: 0;
  padding: 0;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* Animated Background */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 40% 20%, rgba(236, 72, 153, 0.05) 0%, transparent 50%);
  z-index: -1;
  animation: backgroundShift 20s ease infinite;
}

@keyframes backgroundShift {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-20px, -20px) scale(1.05); }
}
/* Header with Glassmorphism - Single Sticky Header */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255, 255, 255, 0.2);
  position: sticky;
  top: 0;
  z-index: 100;
  transition: var(--transition-base);
  animation: slideDown 0.5s ease;
  margin-bottom: 0;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.header:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-2px);
}
.brand{display:flex;gap:12px;align-items:center}
.school {
  font-weight: 700;
  background: var(--bg-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-size: 20px;
  letter-spacing: -0.5px;
}
.tag{font-size:12px;color:#6b7280}
  header .controls button {
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(99, 102, 241, 0.2);
    color: var(--primary);
    padding: 8px 16px;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition-base);
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    font-size: 13px;
    position: relative;
    overflow: hidden;
  }

header .controls button::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(99, 102, 241, 0.1);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

header .controls button:hover::before {
  width: 300px;
  height: 300px;
}

header .controls button:hover {
  background: rgba(99, 102, 241, 0.1);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

header .controls button.active {
  background: var(--bg-primary);
  color: #fff;
  box-shadow: 0 8px 20px rgba(99, 102, 241, 0.3);
  border-color: transparent;
}

.main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 28px 20px;
}

/* ── Search Bar ─────────────────────────────── */
.search {
  display: block;
  margin-bottom: 0;
  position: relative;
}

.search::before {
  content: '🔍';
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 16px;
  pointer-events: none;
  z-index: 1;
}

.search input {
  width: 100%;
  box-sizing: border-box;
  padding: 16px 20px 16px 50px;
  border-radius: 16px;
  border: 2px solid transparent;
  background: #fff;
  font-family: 'Poppins', sans-serif;
  font-size: 14px;
  color: #1e293b;
  box-shadow: 0 4px 24px rgba(99,102,241,0.10), 0 1px 4px rgba(0,0,0,0.06);
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}

.search input::placeholder { color: #a0aec0; }

.search input:focus {
  border-color: #6366f1;
  box-shadow: 0 0 0 4px rgba(99,102,241,0.12), 0 4px 24px rgba(99,102,241,0.15);
}

/* ── Classes Section ────────────────────────── */
.classes-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 28px 0 16px;
  font-size: 13px;
  font-weight: 700;
  color: #6366f1;
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

.classes-header::after {
  content: '';
  flex: 1;
  height: 1.5px;
  background: linear-gradient(90deg, #c7d2fe, transparent);
  border-radius: 2px;
}

.classes {
  margin-top: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 16px;
  min-height: 40px;
}

.class-btn {
  padding: 0;
  border-radius: 18px;
  background: #fff;
  cursor: pointer;
  border: none;
  font-weight: 700;
  font-size: 14px;
  transition: transform 0.2s, box-shadow 0.2s;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 110px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.10);
  text-align: center;
}

.class-btn-inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 22px 14px 18px;
  width: 100%;
}

.class-btn-label {
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.5px;
  line-height: 1;
  color: #fff;
  text-transform: uppercase;
}

.class-btn-sub {
  font-size: 11px;
  font-weight: 500;
  color: rgba(255,255,255,0.8);
  letter-spacing: 0.4px;
}

.class-btn::before {
  content: '';
  position: absolute;
  bottom: -20px;
  right: -20px;
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background: rgba(255,255,255,0.12);
  transition: transform 0.3s;
}

.class-btn:hover::before { transform: scale(2.2); }

.class-btn:hover {
  transform: translateY(-5px) scale(1.03);
  box-shadow: 0 14px 36px rgba(0,0,0,0.18);
}

.class-btn:active {
  transform: translateY(-1px) scale(1.01);
}
.view-area{margin-top:18px}
.view-header{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px}
.tabs{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.tab{padding:8px 16px;border-radius:12px;border:2px solid #004aad;background:#fff;color:#004aad;cursor:pointer;font-weight:600;font-size:14px;transition:background .15s,color .15s}
.tab:hover{background:#eef5ff}
.tab.active{background:#004aad;color:#fff;box-shadow:0 4px 14px rgba(0,66,173,0.25);border-color:#004aad}
/* Show: Regular / Substitute toggle */
.show-toggle{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.show-label{font-weight:600;color:#333;font-size:14px;white-space:nowrap}
/* Substituted cell — yellow */
td.substituted{background:#fff7e0 !important}
/* Pending preview cell — blue */
td.preview-substitute{background:#e6f4ff !important}
.subnote{color:#b45309;font-size:11px;font-style:italic;display:block;margin-top:3px}
.matrix {
  margin-top: 14px;
  overflow-x: hidden;
  overflow-y: auto;
  width: 100%;
}
.matrix table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 1px solid rgba(255, 255, 255, 0.2);
  animation: fadeInUp 0.5s ease;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.matrix th {
  background: var(--bg-primary);
  color: #fff;
  padding: 12px 8px;
  text-align: left;
  position: sticky;
  top: 0;
  font-weight: 600;
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: 0.3px;
  z-index: 10;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.matrix td {
  padding: 10px 8px;
  border-top: 1px solid rgba(0, 0, 0, 0.05);
  vertical-align: top;
  transition: var(--transition-fast);
  font-size: 13px;
  min-width: 80px;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

.matrix tr:hover td {
  background: rgba(99, 102, 241, 0.03);
}
.chip {
  display: block;
  padding: 4px 6px;
  border-radius: 6px;
  margin-bottom: 4px;
  font-weight: 600;
  font-size: 12px;
}
.chip.subj {
  font-size: 12px;
  padding: 4px 6px;
}
.chip.teacher {
  font-size: 11px;
  color: #333;
  opacity: 0.85;
  font-weight: 500;
  background: transparent;
  padding: 0;
  margin: 2px 0;
}
.published-info{margin-top:8px;color:#666;font-size:13px}
.subnote{font-size:12px;color:#666;font-style:italic}
@media (max-width:600px) {
  .matrix th, .matrix td {
    padding: 6px 4px;
    font-size: 11px;
  }
}

/* subject color chips */
.chip.subj.maths { background: rgba(13,110,253,0.08); color:#0d6efd }
.chip.subj.science { background: rgba(25,135,84,0.08); color:#198754 }
.chip.subj.tamil { background: rgba(111,66,193,0.08); color:#6f42c1 }
.chip.subj.english { background: rgba(255,159,67,0.08); color:#ff9f43 }
.chip.subj.socialscience { background: rgba(255,205,86,0.08); color:#ffcd39 }
.substituted {
  background: linear-gradient(135deg, #fff7e0 0%, #ffeaa7 100%) !important;
  border-left: 4px solid var(--warning) !important;
  position: relative;
}

.substituted::before {
  content: '🔄';
  position: absolute;
  top: 8px;
  right: 8px;
  font-size: 14px;
  opacity: 0.6;
}
.subnote{ font-size:12px;color:#666;font-style:italic }


/* subject color chips */
.chip.subj.maths { background: rgba(13,110,253,0.08); color:#0d6efd; }
.chip.subj.science { background: rgba(25,135,84,0.08); color:#198754; }
.chip.subj.tamil { background: rgba(111,66,193,0.08); color:#6f42c1; }
.chip.subj.english { background: rgba(255,159,67,0.08); color:#ff9f43; }
.chip.subj.socialscience { background: rgba(255,205,86,0.08); color:#ffcd39; }
.substituted { background: #fff7e0 !important; }
.subnote { font-size: 12px; color: #666; font-style: italic; }
.leave-section {
  background: #fff;
  border-radius: 20px;
  padding: 0;
  margin-top: 24px;
  box-shadow: 0 8px 32px rgba(99,102,241,0.10), 0 2px 8px rgba(0,0,0,0.06);
  overflow: hidden;
}

.leave-section > h2 {
  margin: 0;
  padding: 24px 28px 20px;
  font-size: 1.3rem;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, #6366f1 0%, #4f46e5 60%, #7c3aed 100%);
  display: flex;
  align-items: center;
  gap: 10px;
  letter-spacing: -0.3px;
}

.leave-section > h2::before {
  content: '📋';
  font-size: 1.4rem;
}

/* ============================================
   MODERN SELECT DROPDOWN STYLING
   ============================================ */

/* Select wrapper for modern styling */
.select-wrapper {
  position: relative;
  display: inline-block;
  width: 100%;
}

.select-wrapper::after {
  content: '▼';
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  transition: var(--transition-fast);
}

select {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  width: 100%;
  padding: 12px 16px;
  padding-right: 40px;
  border: 2px solid #e5e7eb;
  border-radius: 12px;
  background: linear-gradient(135deg, #ffffff 0%, #f9fafb 100%);
  color: var(--text-primary);
  font-family: 'Poppins', sans-serif;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-base);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

select:hover {
  border-color: var(--primary-light);
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.12);
  background: linear-gradient(135deg, #ffffff 0%, #f0f4ff 100%);
}

select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1), 0 4px 16px rgba(99, 102, 241, 0.15);
  background: linear-gradient(135deg, #ffffff 0%, #f0f4ff 100%);
}

select:active {
  transform: scale(0.99);
}

select:disabled {
  background: #f3f4f6;
  color: #9ca3af;
  cursor: not-allowed;
  border-color: #e5e7eb;
  opacity: 0.6;
}

select option {
  padding: 10px;
  color: var(--text-primary);
  background: #ffffff;
}

select option:hover {
  background: linear-gradient(135deg, #6366f1 0%, #818cf8 100%);
  color: white;
}

select option:checked {
  background: linear-gradient(135deg, #6366f1 0%, #818cf8 100%);
  color: white;
}

/* Desktop: compact teacher dropdown and smaller font to match header buttons */
@media (min-width: 769px) {
  .view-header .select-wrapper {
    width: auto;
    min-width: 160px;
    max-width: 220px; /* slightly reduced on desktop */
    margin: 0 8px;
    display: inline-flex;
    align-items: center;
  }

  .view-header .select-wrapper select {
    font-size: 13px;
    padding: 8px 12px;
    height: 40px;
    border-radius: 12px;
    line-height: 1.1;
    width: 100%;
    box-sizing: border-box;
    background: linear-gradient(135deg, #ffffff 0%, #eef5ff 100%);
    color: #004aad;
  }

  /* tighten arrow size on desktop so it appears less large */
  .view-header .select-wrapper::after {
    font-size: 12px;
    right: 15px; /* move arrow slightly left on desktop */
    top: 50%;
    transform: translateY(-50%);
    color: rgba(0,0,0,0.45);
  }

  .view-header .select-wrapper select option { font-size: 13px; }
}

/* Mobile: center select and match button/tab sizes */
@media (max-width: 768px) {
  .view-header {
    flex-direction: column;
    align-items: center;
    gap: 8px;
  }

  /* Centered wrapper with fixed height so the arrow (::after) can be vertically centered reliably */
  .view-header .select-wrapper {
    width: 100%;
    max-width: 420px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 30px; /* requested mobile height */
    box-sizing: border-box;
  }

  .view-header .select-wrapper select {
    display: block;
    width: 170px; /* requested width */
    box-sizing: border-box;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 12px; /* requested font size */
    padding: 8px 10px; /* requested padding */
    height: 30px; /* requested height */
    border-radius: 8px;
    line-height: 1.1;
    font-weight: 600;
    text-align: left;
    /* make it look like primary action button on mobile */
    background: #004aad;
    color: #ffffff;
    box-shadow: 0 6px 16px rgba(0,66,173,0.10);
  }

  /* Arrow alignment specifically for mobile */
  .view-header .select-wrapper::after {
    right: 10px; /* inset for smaller mobile select */
    top: 50%;
    transform: translateY(-50%);
    font-size: 12px;
    color: #ffffff; /* white arrow on primary button */
    line-height: 1;
  }
}

/* Leave form styling */
.leave-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px 24px;
  padding: 28px;
  padding-top: 0;
}

.leave-form .field-full {
  grid-column: 1 / -1;
}

.leave-form label {
  font-weight: 600;
  color: #374151;
  margin-bottom: 7px;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.leave-form label .field-icon {
  font-size: 15px;
}

.leave-form input,
.leave-form textarea,
.leave-form select {
  width: 100%;
  box-sizing: border-box;
  padding: 13px 16px;
  border: 2px solid #e5e7eb;
  border-radius: 12px;
  background: #fafafa;
  color: #1e293b;
  font-family: 'Poppins', sans-serif;
  font-size: 14px;
  font-weight: 500;
  transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
  box-shadow: inset 0 1px 3px rgba(0,0,0,0.04);
  display: block;
}

.leave-form input:hover,
.leave-form textarea:hover {
  border-color: #a5b4fc;
  background: #fff;
}

.leave-form input:focus,
.leave-form textarea:focus,
.leave-form select:focus {
  outline: none;
  border-color: #6366f1;
  background: #fff;
  box-shadow: 0 0 0 4px rgba(99,102,241,0.12);
}

.leave-form textarea {
  resize: vertical;
  min-height: 100px;
}

.leave-form .field-group {
  display: flex;
  flex-direction: column;
}

.leave-form .submit-btn {
  grid-column: 1 / -1;
  padding: 15px 24px;
  background: linear-gradient(135deg, #6366f1 0%, #4f46e5 60%, #7c3aed 100%);
  color: #fff;
  font-family: 'Poppins', sans-serif;
  font-size: 15px;
  font-weight: 700;
  border: none;
  border-radius: 14px;
  cursor: pointer;
  letter-spacing: 0.3px;
  box-shadow: 0 6px 20px rgba(99,102,241,0.35);
  transition: transform 0.15s, box-shadow 0.15s, opacity 0.15s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
}

.leave-form .submit-btn::before { content: '📤'; font-size: 16px; }

.leave-form .submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(99,102,241,0.45);
}

.leave-form .submit-btn:active {
  transform: translateY(0);
  box-shadow: 0 4px 12px rgba(99,102,241,0.3);
}

/* Leave cards area */
.leave-cards-section {
  padding: 20px 28px 0;
}

.leave-cards-title {
  font-size: 13px;
  font-weight: 700;
  color: #6366f1;
  text-transform: uppercase;
  letter-spacing: 0.7px;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.leave-cards {
  display: flex;
  flex-wrap: nowrap;
  overflow-x: auto;
  gap: 14px;
  padding-bottom: 10px;
  scroll-behavior: smooth;
  margin-bottom: 20px;
}

.leave-cards::-webkit-scrollbar { height: 5px; }
.leave-cards::-webkit-scrollbar-track { background: #f1f5f9; border-radius: 10px; }
.leave-cards::-webkit-scrollbar-thumb { background: #c7d2fe; border-radius: 10px; }

.leave-card {
  flex: 0 0 260px;
  background: #fff;
  border-radius: 16px;
  border: 1.5px solid #e5e7eb;
  box-shadow: 0 2px 10px rgba(0,0,0,0.06);
  padding: 16px 18px;
  transition: transform 0.2s, box-shadow 0.2s;
  position: relative;
  overflow: hidden;
}

.leave-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: #e5e7eb;
  border-radius: 16px 16px 0 0;
}

.leave-card.status-pending::before  { background: linear-gradient(90deg, #f59e0b, #fbbf24); }
.leave-card.status-approved::before { background: linear-gradient(90deg, #10b981, #34d399); }
.leave-card.status-rejected::before { background: linear-gradient(90deg, #ef4444, #f87171); }
.leave-card.status-cancelled::before{ background: linear-gradient(90deg, #6b7280, #9ca3af); }

.leave-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.10);
}

.leave-card-teacher {
  font-weight: 700;
  font-size: 15px;
  color: #1e293b;
  margin-bottom: 10px;
  padding-top: 4px;
}

.leave-card-row {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12.5px;
  color: #475569;
  margin-bottom: 5px;
}

.leave-card-row .row-icon { font-size: 13px; opacity: 0.7; }

.leave-card .status {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 20px;
  margin-top: 10px;
}

.leave-card .status.pending  { background: #fef3c7; color: #d97706; }
.leave-card .status.approved { background: #d1fae5; color: #059669; }
.leave-card .status.rejected { background: #fee2e2; color: #dc2626; }
.leave-card .status.cancelled{ background: #f3f4f6; color: #6b7280; }

.cancel-btn {
  margin-top: 10px;
  background: linear-gradient(135deg, #ef4444, #dc2626);
  color: white;
  border: none;
  padding: 7px 14px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
  font-family: 'Poppins', sans-serif;
  cursor: pointer;
  width: 100%;
  transition: opacity 0.15s, transform 0.15s;
}

.cancel-btn:hover:not(:disabled) {
  opacity: 0.9;
  transform: translateY(-1px);
}

.cancel-btn:disabled {
  background: #e5e7eb;
  color: #9ca3af;
  cursor: not-allowed;
  transform: none;
}

/* Divider between cards and form */
.leave-form-title {
  padding: 0 28px 12px;
  font-size: 13px;
  font-weight: 700;
  color: #6366f1;
  text-transform: uppercase;
  letter-spacing: 0.7px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.preview-substitute {
  background-color: #eef6ff;
  border: 1px dashed #5aa3ff;
  color: #1b3a6d;
}


.subnote {
  color: #555;
  font-size: 0.8em;
  font-style: italic;
  display: block;
  margin-top: 2px;
}

/* ============================================
   📱 MOBILE RESPONSIVE DESIGN
   ============================================ */

/* Mobile Navigation Menu */
.mobile-menu-btn {
  display: none;
  background: var(--bg-primary);
  color: white;
  border: none;
  padding: 12px;
  border-radius: 12px;
  cursor: pointer;
  font-size: 20px;
  z-index: 1000;
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(10px);
  z-index: 9999;
  padding: 80px 20px 20px;
  overflow-y: auto;
  animation: slideInLeft 0.3s ease;
}

.mobile-menu.active {
  display: block;
}

.mobile-menu-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: var(--primary);
  color: white;
  border: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  font-size: 24px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mobile-menu-item {
  display: block;
  padding: 16px 20px;
  color: white;
  text-decoration: none;
  border-radius: 12px;
  margin-bottom: 12px;
  background: rgba(255, 255, 255, 0.1);
  transition: var(--transition-base);
  font-weight: 500;
}

.mobile-menu-item:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateX(8px);
}

@keyframes slideInLeft {
  from {
    transform: translateX(-100%);
  }
  to {
    transform: translateX(0);
  }
}

/* Mobile-First Responsive Breakpoints */
@media (max-width: 768px) {
  body {
    padding: 10px;
  }

  /* Header Mobile */
  .header {
    padding: 12px 16px;
    margin-bottom: 16px;
    flex-wrap: wrap;
    gap: 12px;
  }

  .brand {
    flex: 1;
    min-width: 0;
  }

  .school {
    font-size: 16px;
  }

  .tag {
    font-size: 11px;
  }

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

  header .controls {
    display: none;
  }

  /* Main Content */
  .main {
    padding: 16px;
  }

  /* Search */
  .search input {
    padding: 14px 16px 14px 46px;
    font-size: 16px;
    border-radius: 14px;
  }

  .classes-header { margin: 22px 0 12px; }

  /* Class Buttons - 3 per row on mobile */
  .classes {
    gap: 10px;
    grid-template-columns: repeat(auto-fill, minmax(95px, 1fr));
  }

  .class-btn {
    min-height: 88px;
    border-radius: 16px;
  }

  .class-btn-label { font-size: 18px; }
  .class-btn-sub { font-size: 10px; }

  /* View Area */
  .view-area {
    margin-top: 16px;
  }

  .view-header {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }

  .view-header h2 {
    font-size: 18px;
  }

  .tabs {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

  .tab {
    padding: 10px 12px;
    font-size: 13px;
    text-align: center;
  }

  /* Mobile: Convert table to vertical card layout (all periods visible in 2-column grid) */
  .matrix {
    margin-top: 12px;
    overflow-x: hidden;
    overflow-y: visible;
  }

  .matrix table {
    width: 100%;
    display: block;
    border-collapse: separate;
    border-spacing: 0;
  }

  .matrix thead {
    display: none; /* Hide table headers on mobile */
  }

  .matrix tbody {
    display: block;
  }

  /* Each day becomes a card with period grid inside */
  .matrix tr {
    display: block;
    background: var(--bg-card);
    border-radius: var(--border-radius-sm);
    overflow: hidden;
    margin-bottom: 16px;
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(255, 255, 255, 0.2);
  }

  /* Day label - sticky at top of card */
  .matrix tr td.day {
    display: block;
    background: var(--bg-primary);
    color: white;
    font-weight: 700;
    font-size: 16px;
    padding: 12px 16px;
    border: none;
    margin-bottom: 0;
    width: 100%;
    box-sizing: border-box;
  }

  /* Container for period grid */
  .matrix tr {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-auto-flow: dense;
    gap: 0;
    background: var(--bg-card);
  }

  /* Day cell spans full width */
  .matrix tr td.day {
    grid-column: 1 / -1;
    display: block;
    background: var(--bg-primary);
    color: white;
    font-weight: 700;
    font-size: 16px;
    padding: 12px 16px;
    border: none;
    margin: 0;
  }

  /* Period cells in 2-column grid */
  .matrix tr td:not(.day) {
    display: flex;
    flex-direction: column;
    padding: 8px;
    border: 1px solid rgba(0, 0, 0, 0.06);
    background: rgba(99, 102, 241, 0.02);
    border-radius: 6px;
    margin: 0;
  }

  .matrix tr:hover {
    box-shadow: var(--shadow-lg);
  }

  .chip {
    font-size: 12px;
    padding: 3px 5px;
    margin-bottom: 3px;
    display: inline-block;
  }

  .chip.subj {
    font-size: 13px;
    font-weight: 700;
    padding: 4px 6px;
    margin-bottom: 6px;
  }

  .chip.teacher {
    font-size: 10px;
    opacity: 0.75;
    margin-top: 4px;
    padding: 0;
    background: transparent;
    display: block;
  }

  /* Alternative: Card View for Mobile (Optional) */
  .matrix-card-view {
    display: none;
  }

  .matrix-card {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    padding: 16px;
    margin-bottom: 12px;
    box-shadow: var(--shadow-md);
  }

  .matrix-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    padding-bottom: 12px;
    border-bottom: 2px solid rgba(99, 102, 241, 0.1);
  }

  .matrix-card-day {
    font-weight: 700;
    color: var(--primary);
    font-size: 16px;
  }

  .matrix-card-periods {
    display: flex;
    flex-direction: column;
    gap: 12px;
  }

  .matrix-card-period {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: rgba(99, 102, 241, 0.05);
    border-radius: 8px;
  }

  .matrix-card-period-number {
    font-weight: 700;
    color: var(--primary);
    min-width: 50px;
  }

  .matrix-card-period-content {
    flex: 1;
  }

  /* Chips Mobile - Compact */
  .chip {
    font-size: 11px;
    padding: 4px 8px;
    margin-bottom: 4px;
  }

  .chip.subj {
    font-size: 12px;
    padding: 5px 9px;
  }

  .chip.teacher {
    font-size: 10px;
    margin-top: 4px;
  }

  /* Leave Section Mobile */
  .leave-section {
    margin-top: 16px;
    border-radius: 16px;
  }

  .leave-section > h2 {
    padding: 18px 20px 16px;
    font-size: 1.1rem;
  }

  .leave-form {
    grid-template-columns: 1fr;
    padding: 16px 20px 20px;
    gap: 14px;
  }

  .leave-form .field-full { grid-column: 1; }

  .leave-form input,
  .leave-form select,
  .leave-form textarea {
    padding: 14px 16px;
    font-size: 16px;
  }

  .leave-cards-section { padding: 16px 20px 0; }
  .leave-form-title { padding: 0 20px 10px; }

  .leave-cards {
    padding-bottom: 8px;
    gap: 12px;
  }

  .leave-card {
    flex: 0 0 88%;
    min-width: 240px;
  }

  /* Toast Mobile */
  #toast-container {
    top: 10px;
    right: 10px;
    left: 10px;
    width: auto;
  }

  .toast {
    min-width: auto;
    max-width: 100%;
  }

  /* Loading Mobile */
  #loading-overlay .spinner {
    width: 40px;
    height: 40px;
  }

  /* Published Info */
  .published-info {
    font-size: 12px;
    padding: 8px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 8px;
  }
}

/* Small Mobile (320px - 480px) - Extra Compact */
@media (max-width: 480px) {
  body {
    padding: 6px;
  }

  .header {
    padding: 8px 10px;
    border-radius: 10px;
    margin-bottom: 12px;
  }

  .school {
    font-size: 13px;
  }

  .tag {
    font-size: 10px;
  }

  .class-btn {
    padding: 6px 10px;
    font-size: 11px;
    border-radius: 16px;
  }

  /* Mobile 2-column grid layout - adjust for very small screens */
  .matrix tr {
    margin-bottom: 10px;
    grid-template-columns: repeat(2, 1fr);
    gap: 6px;
    padding: 10px;
  }

  .matrix tr td.day {
    font-size: 12px;
    padding: 8px 10px;
  }

  .matrix tr td:not(.day) {
    padding: 6px;
    font-size: 10px;
  }

  .chip {
    font-size: 11px;
    padding: 4px 7px;
    margin-bottom: 2px;
  }

  .chip.subj {
    font-size: 12px;
  }

  .chip.teacher {
    font-size: 9px;
  }

  .tab {
    padding: 8px 10px;
    font-size: 12px;
  }

  .leave-card {
    flex: 0 0 95%;
    padding: 10px;
  }

  header .controls button {
    padding: 6px 12px;
    font-size: 12px;
  }
}

/* Touch Optimizations - Compact but Usable */
@media (hover: none) and (pointer: coarse) {
  /* Compact touch targets - still usable */
  button,
  .class-btn,
  .tab {
    min-height: 36px; /* Reduced from 44px but still touchable */
    min-width: 36px;
  }

  .chip {
    min-height: 28px; /* Smaller for chips */
    min-width: auto;
  }

  /* Remove hover effects on touch devices */
  .header:hover {
    transform: none;
  }

  .class-btn:hover {
    transform: none;
  }

  /* Active states for touch */
  .class-btn:active {
    transform: scale(0.95);
    opacity: 0.8;
  }

  button:active {
    opacity: 0.7;
  }
}

/* Landscape Mobile */
@media (max-width: 768px) and (orientation: landscape) {
  .header {
    padding: 10px 16px;
  }

  .matrix {
    max-height: 70vh;
  }

  .matrix tr {
    grid-template-columns: repeat(3, 1fr);
    margin-bottom: 12px;
  }

  .matrix tr td:not(.day) {
    min-height: 80px;
  }
}

/* Tablet (768px - 1024px) */
@media (min-width: 769px) and (max-width: 1024px) {
  .main {
    max-width: 100%;
    padding: 0 20px;
  }

  .matrix table {
    font-size: 14px;
  }

  .class-btn {
    min-width: calc(33.333% - 8px);
  }
}

/* Prevent text size adjustment on iOS */
@media screen and (max-width: 768px) {
  input,
  select,
  textarea {
    font-size: 16px !important;
  }
}

/* Smooth scrolling for mobile */
@media (max-width: 768px) {
  * {
    -webkit-tap-highlight-color: rgba(99, 102, 241, 0.2);
  }

  html {
    -webkit-overflow-scrolling: touch;
    scroll-behavior: smooth;
  }
}

/* Desktop (769px+) - Preserve Original Table Layout */
@media (min-width: 769px) {
  .matrix table {
    display: table;
    border-collapse: collapse;
    width: 100%;
  }

  .matrix thead {
    display: table-header-group;
  }

  .matrix tbody {
    display: table-row-group;
  }

  .matrix tr {
    display: table-row;
    background: transparent;
    border-radius: 0;
    margin-bottom: 0;
    box-shadow: none;
    border: none;
    flex-direction: row;
  }

  .matrix tr td.day {
    background: transparent;
    color: var(--text-primary);
    font-weight: 600;
    font-size: 14px;
    padding: 16px;
    border: 1px solid rgba(0, 0, 0, 0.05);
    order: unset;
    display: table-cell;
  }

  .matrix tr td:not(.day) {
    background: transparent;
    padding: 16px;
    border: 1px solid rgba(0, 0, 0, 0.05);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    display: table-cell;
    margin: 0;
    border-top: none;
  }

  .matrix tr td:not(.day)::before {
    display: none;
  }

  .matrix th {
    padding: 12px 8px;
    text-align: left;
    position: sticky;
    top: 0;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 11px;
    letter-spacing: 0.3px;
    z-index: 10;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .matrix tr:hover td {
    background: rgba(99, 102, 241, 0.03);
  }
}

/* =============================================
   CUSTOM TEACHER PICKER DROPDOWN
   ============================================= */
.teacher-picker {
  position: relative;
  display: inline-block;
  font-family: 'Poppins', sans-serif;
  z-index: 200;
}

.tp-trigger {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px 7px 8px;
  background: #fff;
  border: 2px solid rgba(99, 102, 241, 0.25);
  border-radius: 40px;
  cursor: pointer;
  min-width: 170px;
  max-width: 220px;
  transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
  user-select: none;
  box-shadow: 0 2px 8px rgba(99,102,241,0.08);
}

.tp-trigger:hover {
  border-color: var(--primary);
  box-shadow: 0 4px 14px rgba(99,102,241,0.18);
  background: #f5f3ff;
}

.tp-trigger.open {
  border-color: var(--primary);
  box-shadow: 0 4px 18px rgba(99,102,241,0.22);
  background: #f5f3ff;
}

.tp-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  letter-spacing: 0.5px;
}

.tp-avatar.placeholder {
  background: linear-gradient(135deg, #c4b5fd, #a5b4fc);
  font-size: 14px;
}

.tp-label {
  flex: 1;
  font-size: 13px;
  font-weight: 600;
  color: #374151;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tp-label.placeholder-text {
  color: #9ca3af;
  font-weight: 500;
}

.tp-chevron {
  font-size: 10px;
  color: #6366f1;
  transition: transform 0.25s;
  flex-shrink: 0;
}

.teacher-picker.open .tp-chevron {
  transform: rotate(180deg);
}

/* Dropdown panel */
.tp-panel {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 220px;
  max-width: 280px;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 20px 60px rgba(99,102,241,0.18), 0 4px 16px rgba(0,0,0,0.1);
  border: 1px solid rgba(99,102,241,0.12);
  overflow: hidden;
  opacity: 0;
  transform: translateY(-8px) scale(0.97);
  transition: opacity 0.2s ease, transform 0.2s ease;
  pointer-events: none;
}

.teacher-picker.open .tp-panel {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.tp-search-wrap {
  padding: 10px 10px 6px;
  border-bottom: 1px solid #f3f4f6;
}

.tp-search {
  width: 100%;
  padding: 8px 12px;
  border: 1.5px solid #e5e7eb;
  border-radius: 10px;
  font-family: 'Poppins', sans-serif;
  font-size: 13px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  box-sizing: border-box;
  background: #f9fafb;
  color: #111;
}

.tp-search:focus {
  border-color: #6366f1;
  box-shadow: 0 0 0 3px rgba(99,102,241,0.12);
  background: #fff;
}

.tp-search::placeholder {
  color: #9ca3af;
}

.tp-list {
  max-height: 220px;
  overflow-y: auto;
  padding: 4px 0;
  scrollbar-width: thin;
  scrollbar-color: #c4b5fd transparent;
}

.tp-list::-webkit-scrollbar {
  width: 4px;
}
.tp-list::-webkit-scrollbar-thumb {
  background: #c4b5fd;
  border-radius: 4px;
}

.tp-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 14px;
  cursor: pointer;
  transition: background 0.15s;
  border-radius: 0;
}

.tp-item:hover {
  background: #f5f3ff;
}

.tp-item.selected {
  background: linear-gradient(90deg, rgba(99,102,241,0.1), rgba(139,92,246,0.08));
}

.tp-item-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}

.tp-item-name {
  font-size: 13px;
  font-weight: 600;
  color: #1f2937;
  flex: 1;
}

.tp-item.selected .tp-item-name {
  color: #4f46e5;
}

.tp-check {
  font-size: 14px;
  color: #6366f1;
  opacity: 0;
  flex-shrink: 0;
}

.tp-item.selected .tp-check {
  opacity: 1;
}

.tp-empty {
  padding: 16px 14px;
  font-size: 13px;
  color: #9ca3af;
  text-align: center;
}

/* Mobile adjustments */
@media (max-width: 768px) {
  .teacher-picker {
    width: 100%;
    max-width: 100%;
  }
  .tp-trigger {
    min-width: 0;
    max-width: 100%;
    width: 100%;
    border-radius: 12px;
  }
  .tp-panel {
    right: auto;
    left: 0;
    width: 100%;
    max-width: 100%;
  }
}

/* ═══════════════════════════════════════════════
   USER PORTAL — BACKGROUND IMAGE & MOTION
   ═══════════════════════════════════════════════ */

/* Replace gradient bg with user back image */
body {
  background: url('https://images.unsplash.com/photo-1522202176988-66273c2fd55f?w=3840&q=90&auto=format&fit=crop') center / cover no-repeat fixed !important;
}

/* Deep gradient overlay keeps text readable */
body::before {
  background:
    linear-gradient(
      160deg,
      rgba(20, 8, 55, 0.72) 0%,
      rgba(75, 60, 160, 0.52) 45%,
      rgba(99, 102, 241, 0.42) 75%,
      rgba(139, 92, 246, 0.38) 100%
    ) !important;
  animation: overlayPulse 18s ease-in-out infinite !important;
}

@keyframes overlayPulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.88; }
}

/* ── Floating orbs behind content ─────────────── */
body::after {
  content: '';
  position: fixed;
  width: 380px; height: 380px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.18), transparent 70%);
  top: -130px; right: -100px;
  z-index: -1;
  animation: orbDrift 14s ease-in-out infinite;
  pointer-events: none;
}

@keyframes orbDrift {
  0%, 100% { transform: translate(0, 0) scale(1); }
  30%       { transform: translate(-30px, 25px) scale(1.07); }
  60%       { transform: translate(20px, -20px) scale(0.93); }
}

/* ── Header glass — stronger contrast over image ─ */
.header {
  background: rgba(255, 255, 255, 0.14) !important;
  border: 1px solid rgba(255, 255, 255, 0.22) !important;
  backdrop-filter: blur(24px) saturate(180%) !important;
  -webkit-backdrop-filter: blur(24px) saturate(180%) !important;
}

/* School name stays visible on dark bg */
.school {
  background: linear-gradient(135deg, #fff 0%, #c4b5fd 100%) !important;
  -webkit-background-clip: text !important;
  -webkit-text-fill-color: transparent !important;
  background-clip: text !important;
}

.tag { color: rgba(255, 255, 255, 0.65) !important; }

/* ── Header buttons – glass style ─────────────── */
header .controls button {
  background: rgba(255, 255, 255, 0.15) !important;
  border: 1px solid rgba(255, 255, 255, 0.28) !important;
  color: #fff !important;
  backdrop-filter: blur(8px) !important;
}

header .controls button:hover {
  background: rgba(255, 255, 255, 0.26) !important;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25) !important;
}

/* ── Search bar – glass ───────────────────────── */
.search input {
  background: rgba(255, 255, 255, 0.16) !important;
  border: 1px solid rgba(255, 255, 255, 0.28) !important;
  color: #fff !important;
  backdrop-filter: blur(12px) !important;
}

.search input::placeholder { color: rgba(255, 255, 255, 0.50) !important; }
.search input:focus {
  background: rgba(255, 255, 255, 0.24) !important;
  border-color: rgba(255, 255, 255, 0.55) !important;
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.12) !important;
}

/* ── Class buttons – glass with hover glow ────── */
.class-btn {
  background: rgba(255, 255, 255, 0.12) !important;
  border: 1px solid rgba(255, 255, 255, 0.22) !important;
  color: #fff !important;
  backdrop-filter: blur(10px) !important;
  transition: transform 0.22s ease, box-shadow 0.22s ease, background 0.22s ease !important;
}

.class-btn:hover {
  background: rgba(139, 92, 246, 0.35) !important;
  border-color: rgba(255, 255, 255, 0.45) !important;
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.45) !important;
  transform: translateY(-4px) scale(1.04) !important;
}

.class-btn.active {
  background: linear-gradient(135deg, rgba(99,102,241,0.75), rgba(139,92,246,0.70)) !important;
  border-color: rgba(255,255,255,0.45) !important;
  box-shadow: 0 8px 28px rgba(99, 102, 241, 0.55) !important;
}

/* ── View area / timetable card ───────────────── */
.view-area {
  background: rgba(255, 255, 255, 0.10) !important;
  border: 1px solid rgba(255, 255, 255, 0.18) !important;
  backdrop-filter: blur(20px) !important;
}

.view-header {
  background: transparent !important;
}

#viewTitle { color: #fff !important; }

/* Tab buttons */
.tab {
  color: rgba(255, 255, 255, 0.70) !important;
  background: rgba(255, 255, 255, 0.08) !important;
  border: 1px solid rgba(255, 255, 255, 0.18) !important;
}
.tab.active {
  background: linear-gradient(135deg, #6366f1, #8b5cf6) !important;
  color: #fff !important;
  border-color: transparent !important;
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.50) !important;
}

/* ── Leave section – glass card ───────────────── */
.leave-section {
  background: rgba(255, 255, 255, 0.10) !important;
  border: 1px solid rgba(255, 255, 255, 0.18) !important;
  backdrop-filter: blur(20px) !important;
  color: #fff !important;
}

.leave-section h2 { color: #fff !important; }

.leave-form label { color: rgba(255, 255, 255, 0.85) !important; }

.leave-form input,
.leave-form select,
.leave-form textarea {
  background: rgba(255, 255, 255, 0.14) !important;
  border: 1px solid rgba(255, 255, 255, 0.26) !important;
  color: #fff !important;
  border-radius: 12px !important;
}

.leave-form input::placeholder,
.leave-form textarea::placeholder { color: rgba(255,255,255,0.42) !important; }

.leave-form input:focus,
.leave-form select:focus,
.leave-form textarea:focus {
  background: rgba(255,255,255,0.22) !important;
  border-color: rgba(255,255,255,0.55) !important;
  box-shadow: 0 0 0 3px rgba(255,255,255,0.12) !important;
  outline: none !important;
}

/* Submit / form buttons on leave section */
.leave-form button[type="submit"],
.leave-form .submit-btn {
  background: linear-gradient(135deg, #6366f1, #8b5cf6) !important;
  border: none !important;
  border-radius: 14px !important;
  box-shadow: 0 6px 20px rgba(99,102,241,0.50) !important;
  transition: transform 0.2s ease, box-shadow 0.2s ease !important;
  position: relative !important;
  overflow: hidden !important;
}

.leave-form button[type="submit"]::after,
.leave-form .submit-btn::after {
  content: '';
  position: absolute;
  top: 0; left: -80%;
  width: 60%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.28), transparent);
  animation: shimmerSweepUser 3s ease infinite 1s;
}

@keyframes shimmerSweepUser {
  0%   { left: -80%; }
  100% { left: 160%; }
}

.leave-form button[type="submit"]:hover,
.leave-form .submit-btn:hover {
  transform: translateY(-3px) !important;
  box-shadow: 0 12px 32px rgba(99,102,241,0.60) !important;
}

/* ── Leave cards ──────────────────────────────── */
.leave-card {
  background: rgba(255, 255, 255, 0.10) !important;
  border: 1px solid rgba(255, 255, 255, 0.18) !important;
  backdrop-filter: blur(14px) !important;
  color: #fff !important;
}

/* ── Entrance animations for content sections ─── */
.classes {
  animation: fadeInUp 0.6s ease 0.2s both;
}

.view-area {
  animation: fadeInUp 0.6s ease 0.1s both;
}

.leave-section {
  animation: fadeInUp 0.6s ease 0.15s both;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}