@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');
@import url('https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.0/css/all.min.css');

:root {
  --primary: #26C6DA;
  --primary-light: #4DD0E1;
  --primary-dark: #00ACC1;
  --secondary: #FF6B81;
  --secondary-light: #FF8BA0;

  --bg-body: #f1f5f9;
  --bg-card: #ffffff;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --border-color: #e2e8f0;

  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #3b82f6;

  --sidebar-width: 260px;
  --header-height: 65px;
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;

  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --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);
}

[data-theme="dark"] {
  --bg-body: #0f172a;
  --bg-card: #1e293b;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --border-color: #334155;
}

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

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-body);
  color: var(--text-main);
  line-height: 1.6;
  transition: background-color 0.3s, color 0.3s;
}

a { color: var(--primary); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--primary-dark); }
h1,h2,h3,h4,h5,h6 { font-weight: 600; line-height: 1.2; margin-bottom: 0.5rem; color: var(--text-main); }
p { margin-bottom: 1rem; }
img { max-width: 100%; }

/* ===== UTILITIES ===== */
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--text-muted); }
.text-primary { color: var(--primary); }
.text-secondary { color: var(--secondary); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }
.fw-600 { font-weight: 600; }
.fw-700 { font-weight: 700; }
.mt-1 { margin-top: 0.25rem; } .mt-2 { margin-top: 0.5rem; } .mt-3 { margin-top: 1rem; } .mt-4 { margin-top: 1.5rem; } .mt-5 { margin-top: 3rem; }
.mb-1 { margin-bottom: 0.25rem; } .mb-2 { margin-bottom: 0.5rem; } .mb-3 { margin-bottom: 1rem; } .mb-4 { margin-bottom: 1.5rem; } .mb-5 { margin-bottom: 3rem; }
.ms-1 { margin-left: 0.25rem; } .ms-2 { margin-left: 0.5rem; } .me-1 { margin-right: 0.25rem; } .me-2 { margin-right: 0.5rem; }
.p-3 { padding: 1rem; } .p-4 { padding: 1.5rem; }
.d-flex { display: flex; } .d-none { display: none; }
.align-items-center { align-items: center; }
.justify-content-between { justify-content: space-between; }
.justify-content-center { justify-content: center; }
.flex-wrap { flex-wrap: wrap; }
.gap-1 { gap: 0.25rem; } .gap-2 { gap: 0.5rem; } .gap-3 { gap: 1rem; }
.w-100 { width: 100%; }
.rounded { border-radius: var(--radius-md); }
.rounded-full { border-radius: 9999px; }

/* Grid */
.grid { display: grid; gap: 1.5rem; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex; align-items: center; gap: 0.4rem;
  font-weight: 500; text-align: center; white-space: nowrap;
  vertical-align: middle; user-select: none;
  padding: 0.5rem 1.25rem; font-size: 0.875rem;
  line-height: 1.5; border-radius: var(--radius-md);
  transition: all 0.2s; cursor: pointer;
  border: 1px solid transparent;
}
.btn-sm { padding: 0.3rem 0.75rem; font-size: 0.8rem; }
.btn-lg { padding: 0.75rem 1.75rem; font-size: 1rem; }
.btn-primary { color: #fff; background-color: var(--primary); border-color: var(--primary); }
.btn-primary:hover { background-color: var(--primary-dark); color: #fff; }
.btn.is-loading { cursor: wait; pointer-events: none; opacity: 0.92; }
input.btn.is-loading { min-height: 2.5rem; }
.btn-secondary { color: #fff; background-color: var(--secondary); border-color: var(--secondary); }
.btn-secondary:hover { background-color: #db2777; color: #fff; }
.btn-success { color: #fff; background-color: var(--success); border-color: var(--success); }
.btn-danger { color: #fff; background-color: var(--danger); border-color: var(--danger); }
.btn-warning { color: #fff; background-color: var(--warning); border-color: var(--warning); }
.btn-info { color: #fff; background-color: var(--info); border-color: var(--info); }
.btn-outline { color: var(--primary); background-color: transparent; border-color: var(--primary); }
.btn-outline:hover { background-color: var(--primary); color: #fff; }
.btn-outline-secondary { color: var(--secondary); background-color: transparent; border-color: var(--secondary); }
.btn-outline-secondary:hover { background-color: var(--secondary); color: #fff; }
.btn-light { color: var(--text-main); background-color: var(--bg-body); border-color: var(--border-color); }
.btn-light:hover { background-color: var(--border-color); }
.btn-white { color: var(--primary); background-color: #fff; border-color: #fff; }
.btn-white:hover { background-color: #f0fdfa; }

/* ===== FORMS ===== */
.form-group { margin-bottom: 1.25rem; }
.form-label { display: block; margin-bottom: 0.4rem; font-weight: 500; font-size: 0.875rem; }
.form-control {
  display: block; width: 100%;
  padding: 0.55rem 0.85rem; font-size: 0.875rem;
  color: var(--text-main); background-color: var(--bg-card);
  border: 1px solid var(--border-color); border-radius: var(--radius-md);
  transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}
.form-control:focus { border-color: var(--primary); outline: 0; box-shadow: 0 0 0 3px rgba(8,145,178,0.15); }
select.form-control { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 0.75rem center; background-size: 1em; padding-right: 2.5rem; }
textarea.form-control { resize: vertical; min-height: 100px; }
.form-text { font-size: 0.8rem; color: var(--text-muted); margin-top: 0.25rem; }
.form-row { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
@media(max-width:640px) { .form-row { grid-template-columns: 1fr; } }
.form-check { display: flex; align-items: center; gap: 0.5rem; margin-bottom: 0.5rem; }
.form-check-input { width: 1rem; height: 1rem; cursor: pointer; accent-color: var(--primary); }
.invalid-feedback { color: var(--danger); font-size: 0.8rem; margin-top: 0.25rem; display: block; }
.is-invalid { border-color: var(--danger); }

/* ===== CARDS ===== */
.card { background: var(--bg-card); border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); border: 1px solid var(--border-color); margin-bottom: 1.5rem; overflow: hidden; }
.card-header { padding: 1rem 1.5rem; border-bottom: 1px solid var(--border-color); font-weight: 600; display: flex; align-items: center; justify-content: space-between; }
.card-body { padding: 1.5rem; }
.card-footer { padding: 1rem 1.5rem; border-top: 1px solid var(--border-color); background: rgba(0,0,0,0.02); }
.glass-card { background: rgba(255,255,255,0.7); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border: 1px solid rgba(255,255,255,0.3); }
[data-theme="dark"] .glass-card { background: rgba(30,41,59,0.7); border: 1px solid rgba(255,255,255,0.1); }

/* Stat Cards */
.stat-card { position: relative; overflow: hidden; }
.stat-card::before { content: ''; position: absolute; top: -30px; right: -30px; width: 100px; height: 100px; border-radius: 50%; background: rgba(255,255,255,0.1); }
.stat-card .stat-icon { width: 52px; height: 52px; border-radius: var(--radius-lg); display: flex; align-items: center; justify-content: center; font-size: 1.3rem; color: #fff; }
.stat-card .stat-value { font-size: 2rem; font-weight: 700; margin: 0.5rem 0 0; }
.stat-card .stat-label { font-size: 0.85rem; opacity: 0.9; }
.stat-card .stat-change { font-size: 0.8rem; margin-top: 0.5rem; }
.stat-primary { background: linear-gradient(135deg, var(--primary), var(--primary-light)); color: #fff; }
.stat-secondary { background: linear-gradient(135deg, var(--secondary), var(--secondary-light)); color: #fff; }
.stat-success { background: linear-gradient(135deg, var(--success), #34d399); color: #fff; }
.stat-warning { background: linear-gradient(135deg, var(--warning), #fcd34d); color: #fff; }
.stat-info { background: linear-gradient(135deg, var(--info), #60a5fa); color: #fff; }

/* ===== BADGES ===== */
.badge { display: inline-flex; align-items: center; gap: 0.25rem; padding: 0.25em 0.65em; font-size: 0.75rem; font-weight: 600; line-height: 1; text-align: center; white-space: nowrap; vertical-align: baseline; border-radius: 9999px; }
.badge-success { background-color: rgba(16,185,129,0.1); color: var(--success); }
.badge-warning { background-color: rgba(245,158,11,0.1); color: #b45309; }
.badge-danger { background-color: rgba(239,68,68,0.1); color: var(--danger); }
.badge-info { background-color: rgba(59,130,246,0.1); color: var(--info); }
.badge-primary { background-color: rgba(8,145,178,0.1); color: var(--primary); }
.badge-secondary { background-color: rgba(236,72,153,0.1); color: var(--secondary); }
.badge-muted { background-color: var(--bg-body); color: var(--text-muted); }

/* ===== ALERTS ===== */
.alert { padding: 0.9rem 1.25rem; margin-bottom: 1rem; border-radius: var(--radius-md); border: 1px solid transparent; display: flex; align-items: flex-start; gap: 0.75rem; }
.alert i { font-size: 1rem; margin-top: 0.1rem; flex-shrink: 0; }
.alert-success { background-color: rgba(16,185,129,0.1); border-color: rgba(16,185,129,0.3); color: #065f46; }
[data-theme="dark"] .alert-success { color: #6ee7b7; }
.alert-danger { background-color: rgba(239,68,68,0.1); border-color: rgba(239,68,68,0.3); color: #991b1b; }
[data-theme="dark"] .alert-danger { color: #fca5a5; }
.alert-warning { background-color: rgba(245,158,11,0.1); border-color: rgba(245,158,11,0.3); color: #92400e; }
[data-theme="dark"] .alert-warning { color: #fcd34d; }
.alert-info { background-color: rgba(59,130,246,0.1); border-color: rgba(59,130,246,0.3); color: #1e40af; }
[data-theme="dark"] .alert-info { color: #93c5fd; }

/* ===== TABLES ===== */
.table-responsive { overflow-x: auto; -webkit-overflow-scrolling: touch; padding: 0.35rem 0.5rem 0.65rem; }
.table { width: 100%; margin-bottom: 1rem; color: var(--text-main); border-collapse: collapse; }
.table th, .table td { padding: 1rem 1.35rem; vertical-align: middle; border-bottom: 1px solid var(--border-color); text-align: left; font-size: 0.875rem; }
.table th { font-weight: 600; color: var(--text-muted); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.05em; background-color: var(--bg-body); }
.table th.dt-col-no,
.table td.dt-col-no { width: 2.75rem; text-align: center; font-variant-numeric: tabular-nums; }
[data-theme="dark"] .table th { background-color: rgba(255,255,255,0.03); }
.table tbody tr:hover { background-color: rgba(8,145,178,0.03); }
.table-striped tbody tr:nth-child(odd) { background-color: rgba(0,0,0,0.015); }
.actions-col { white-space: nowrap; }

/* ===== MODAL ===== */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 1000; display: none; align-items: center; justify-content: center; padding: 1rem; backdrop-filter: blur(2px); }
.modal-overlay.show { display: flex; }
.modal { background: var(--bg-card); border-radius: var(--radius-xl); box-shadow: var(--shadow-xl); width: 100%; max-width: 540px; max-height: 90vh; overflow-y: auto; }
.modal-lg { max-width: 780px; }
.modal-header { padding: 1.25rem 1.5rem; border-bottom: 1px solid var(--border-color); display: flex; align-items: center; justify-content: space-between; }
.modal-header h5 { margin: 0; font-size: 1.05rem; }
.modal-body { padding: 1.5rem; }
.modal-footer { padding: 1rem 1.5rem; border-top: 1px solid var(--border-color); display: flex; justify-content: flex-end; gap: 0.75rem; }
.modal-close { background: none; border: none; cursor: pointer; color: var(--text-muted); font-size: 1.2rem; line-height: 1; padding: 0.25rem; transition: color 0.2s; }
.modal-close:hover { color: var(--danger); }

/* ===== AVATAR ===== */
.avatar { display: inline-flex; align-items: center; justify-content: center; border-radius: 50%; font-weight: 600; flex-shrink: 0; overflow: hidden; }
.avatar-sm { width: 32px; height: 32px; font-size: 0.75rem; }
.avatar-md { width: 42px; height: 42px; font-size: 0.9rem; }
.avatar-lg { width: 64px; height: 64px; font-size: 1.25rem; }
.avatar-xl { width: 96px; height: 96px; font-size: 2rem; }
.avatar img { width: 100%; height: 100%; object-fit: cover; }
.avatar-primary { background: rgba(8,145,178,0.15); color: var(--primary); }
.avatar-secondary { background: rgba(236,72,153,0.15); color: var(--secondary); }

/* ===== PAGINATION ===== */
.pagination { display: flex; gap: 0.25rem; align-items: center; flex-wrap: wrap; }
.page-link { display: inline-flex; align-items: center; justify-content: center; min-width: 36px; height: 36px; padding: 0 0.5rem; border: 1px solid var(--border-color); border-radius: var(--radius-md); color: var(--text-muted); font-size: 0.875rem; transition: all 0.2s; }
.page-link:hover, .page-link.active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ===== PUBLIC NAVBAR ===== */
.public-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 999;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(8,145,178,0.1);
  height: 72px;
  display: flex; align-items: center;
  transition: all 0.3s;
}
[data-theme="dark"] .public-nav { background: rgba(15,23,42,0.95); }
.public-nav .nav-inner { display: flex; align-items: center; justify-content: space-between; width: 100%; }
.logo { display: flex; align-items: center; gap: 0.6rem; font-weight: 800; font-size: 1.3rem; color: var(--primary); }
.logo-icon { width: 38px; height: 38px; background: linear-gradient(135deg, var(--primary), var(--secondary)); border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; color: #fff; font-size: 1rem; }
.logo span.accent { color: var(--secondary); }
.nav-links { display: flex; align-items: center; gap: 0.25rem; list-style: none; }
.nav-links a { padding: 0.5rem 0.9rem; border-radius: var(--radius-md); color: var(--text-muted); font-size: 0.9rem; font-weight: 500; transition: all 0.2s; }
.nav-links a:hover, .nav-links a.active { color: var(--primary); background: rgba(8,145,178,0.08); }
.nav-actions { display: flex; align-items: center; gap: 0.5rem; }
.hamburger { display: none; background: none; border: none; cursor: pointer; padding: 0.5rem; color: var(--text-main); font-size: 1.2rem; }
@media(max-width:768px) {
  .hamburger { display: flex; }
  .nav-links { display: none; position: absolute; top: 72px; left: 0; right: 0; background: var(--bg-card); flex-direction: column; padding: 1rem; border-bottom: 1px solid var(--border-color); box-shadow: var(--shadow-md); gap: 0.25rem; }
  .nav-links.show { display: flex; }
  .nav-links a { display: block; padding: 0.75rem 1rem; }
}

/* ===== HERO ===== */
.hero-section {
  min-height: 100vh; padding: 8rem 0 5rem;
  background: linear-gradient(135deg, #0c4a6e 0%, #164e63 40%, #0f172a 100%);
  position: relative; overflow: hidden;
  display: flex; align-items: center;
}
.hero-section::before {
  content: ''; position: absolute; inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%230891b2' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.hero-section .blob {
  position: absolute; border-radius: 50%; filter: blur(80px); opacity: 0.3;
}
.hero-section .blob-1 { width: 400px; height: 400px; background: var(--primary); top: -100px; right: -100px; }
.hero-section .blob-2 { width: 300px; height: 300px; background: var(--secondary); bottom: -50px; left: 10%; }
.hero-content { position: relative; z-index: 1; }
.hero-badge { display: inline-flex; align-items: center; gap: 0.5rem; background: rgba(8,145,178,0.2); border: 1px solid rgba(8,145,178,0.4); color: var(--primary-light); padding: 0.4rem 1rem; border-radius: 9999px; font-size: 0.85rem; font-weight: 500; margin-bottom: 1.5rem; }
.hero-title { font-size: clamp(2.2rem, 5vw, 3.5rem); font-weight: 800; color: #fff; margin-bottom: 1.25rem; line-height: 1.15; }
.hero-title .gradient-text { background: linear-gradient(135deg, var(--primary-light), var(--secondary-light)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-subtitle { font-size: 1.1rem; color: rgba(255,255,255,0.75); margin-bottom: 2rem; max-width: 520px; line-height: 1.7; }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 2.5rem; margin-top: 3rem; flex-wrap: wrap; }
.hero-stat-item { text-align: center; }
.hero-stat-item .number { font-size: 1.75rem; font-weight: 800; color: #fff; }
.hero-stat-item .label { font-size: 0.8rem; color: rgba(255,255,255,0.6); margin-top: 0.2rem; }
.hero-image-area { position: relative; z-index: 1; }
.hero-image-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.hero-card-float {
  background: rgba(255,255,255,0.1); backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-xl); padding: 1.25rem;
  color: #fff; transition: transform 0.3s;
}
.hero-card-float:hover { transform: translateY(-5px); }
.hero-card-float .card-icon { font-size: 1.75rem; margin-bottom: 0.75rem; }
.hero-card-float h4 { font-size: 0.95rem; margin-bottom: 0.25rem; }
.hero-card-float p { font-size: 0.8rem; opacity: 0.7; margin: 0; }
.hero-two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
@media(max-width:900px) { .hero-two-col { grid-template-columns: 1fr; } .hero-image-area { display: none; } }

/* ===== SECTIONS ===== */
.section { padding: 5rem 0; }
.section-sm { padding: 3rem 0; }
.section-title { font-size: 2rem; font-weight: 700; margin-bottom: 0.75rem; }
.section-subtitle { font-size: 1rem; color: var(--text-muted); max-width: 560px; margin: 0 auto 3rem; }
.section-tag { display: inline-block; background: rgba(8,145,178,0.1); color: var(--primary); font-size: 0.8rem; font-weight: 600; padding: 0.3rem 0.9rem; border-radius: 9999px; letter-spacing: 0.05em; text-transform: uppercase; margin-bottom: 0.75rem; }

/* Program Cards */
.program-card { border-radius: var(--radius-xl); overflow: hidden; background: var(--bg-card); border: 1px solid var(--border-color); transition: all 0.3s; cursor: pointer; }
.program-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--primary); }
.program-card-top { padding: 1.75rem; background: linear-gradient(135deg, var(--primary-dark), var(--primary)); }
.program-card-top .icon { font-size: 2rem; color: rgba(255,255,255,0.9); margin-bottom: 0.5rem; }
.program-card-top h3 { color: #fff; font-size: 1.15rem; }
.program-card-top p { color: rgba(255,255,255,0.75); font-size: 0.85rem; margin: 0; }
.program-card-body { padding: 1.25rem 1.75rem; }
.program-meta { display: flex; justify-content: space-between; font-size: 0.85rem; color: var(--text-muted); }

/* Feature Cards */
.feature-card { padding: 2rem; border-radius: var(--radius-xl); background: var(--bg-card); border: 1px solid var(--border-color); transition: all 0.3s; }
.feature-card:hover { border-color: var(--primary); box-shadow: var(--shadow-md); }
.feature-icon { width: 56px; height: 56px; border-radius: var(--radius-lg); background: linear-gradient(135deg, rgba(8,145,178,0.1), rgba(236,72,153,0.1)); display: flex; align-items: center; justify-content: center; font-size: 1.5rem; color: var(--primary); margin-bottom: 1.25rem; }

/* Testimonial */
.testimonial-card { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-xl); padding: 1.75rem; position: relative; }
.testimonial-card::before { content: '"'; position: absolute; top: 1rem; right: 1.5rem; font-size: 4rem; color: var(--primary); opacity: 0.1; font-family: serif; line-height: 1; }
.testimonial-stars { color: var(--warning); font-size: 0.9rem; margin-bottom: 0.75rem; }
.testimonial-text { font-style: italic; color: var(--text-muted); margin-bottom: 1.25rem; line-height: 1.7; }
.testimonial-author { display: flex; align-items: center; gap: 0.75rem; }
.testimonial-author img, .testimonial-avatar { width: 44px; height: 44px; border-radius: 50%; object-fit: cover; }
.testimonial-name { font-weight: 600; font-size: 0.9rem; }
.testimonial-class { font-size: 0.8rem; color: var(--text-muted); }

/* Stats Strip */
.stats-strip { background: linear-gradient(135deg, var(--primary-dark), var(--primary)); padding: 3.5rem 0; }
.stats-strip .stat-number { font-size: 2.5rem; font-weight: 800; color: #fff; }
.stats-strip .stat-label { color: rgba(255,255,255,0.75); font-size: 0.9rem; margin-top: 0.25rem; }
.stats-strip .stat-divider { width: 1px; background: rgba(255,255,255,0.2); }

/* CTA Section */
.cta-section { background: linear-gradient(135deg, var(--secondary), #be185d); padding: 5rem 0; text-align: center; color: #fff; }
.cta-section h2 { font-size: 2.25rem; margin-bottom: 1rem; }
.cta-section p { font-size: 1.05rem; opacity: 0.85; max-width: 540px; margin: 0 auto 2rem; }

/* Footer */
.footer { background: #0f172a; color: rgba(255,255,255,0.7); padding: 4rem 0 2rem; }
.footer-logo { display: flex; align-items: center; gap: 0.6rem; font-weight: 700; font-size: 1.2rem; color: #fff; margin-bottom: 1rem; }
.footer-desc { font-size: 0.875rem; line-height: 1.7; max-width: 280px; }
.footer-heading { color: #fff; font-size: 0.9rem; font-weight: 600; margin-bottom: 1.25rem; letter-spacing: 0.05em; text-transform: uppercase; }
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 0.6rem; }
.footer-links a { color: rgba(255,255,255,0.6); font-size: 0.875rem; transition: color 0.2s; }
.footer-links a:hover { color: var(--primary-light); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); margin-top: 3rem; padding-top: 1.5rem; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; font-size: 0.8rem; }
.social-links { display: flex; gap: 0.75rem; }
.social-links a { width: 36px; height: 36px; border-radius: 50%; background: rgba(255,255,255,0.08); display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,0.6); transition: all 0.2s; }
.social-links a:hover { background: var(--primary); color: #fff; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 3rem; }
@media(max-width:900px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; } }
@media(max-width:540px) { .footer-grid { grid-template-columns: 1fr; } .footer-bottom { flex-direction: column; text-align: center; } }

/* ===== APP LAYOUT (AUTHENTICATED) ===== */
.app-container { display: flex; min-height: 100vh; }
.sidebar {
  width: var(--sidebar-width); background-color: var(--bg-card);
  border-right: 1px solid var(--border-color);
  display: flex; flex-direction: column;
  position: fixed; top: 0; bottom: 0; left: 0; z-index: 100;
  transition: transform 0.3s; overflow: hidden;
}
.sidebar-header {
  height: var(--header-height); display: flex; align-items: center;
  padding: 0 1.25rem; border-bottom: 1px solid var(--border-color);
}
.sidebar-brand { display: flex; align-items: center; gap: 0.6rem; font-weight: 700; font-size: 1.1rem; color: var(--primary); }
.sidebar-brand .brand-icon { width: 34px; height: 34px; background: linear-gradient(135deg, var(--primary), var(--secondary)); border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; color: #fff; font-size: 0.9rem; flex-shrink: 0; }
.sidebar-nav { padding: 0.75rem 0; flex: 1; overflow-y: auto; }
.sidebar-nav::-webkit-scrollbar { width: 4px; }
.sidebar-nav::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 4px; }
.nav-section-title { font-size: 0.7rem; font-weight: 700; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.08em; padding: 0.75rem 1.25rem 0.25rem; margin-top: 0.5rem; }
.nav-item {
  display: flex; align-items: center; gap: 0.6rem;
  padding: 0.65rem 1.25rem; color: var(--text-muted);
  font-size: 0.875rem; font-weight: 500;
  transition: all 0.2s; border-left: 3px solid transparent;
  border-radius: 0;
}
.nav-item:hover { color: var(--primary); background-color: rgba(8,145,178,0.06); border-left-color: transparent; }
.nav-item.active { color: var(--primary); background-color: rgba(8,145,178,0.08); border-left-color: var(--primary); font-weight: 600; }
.nav-item i { width: 18px; text-align: center; flex-shrink: 0; }
.sidebar-footer { padding: 1rem; border-top: 1px solid var(--border-color); }
.user-mini { display: flex; align-items: center; gap: 0.75rem; padding: 0.6rem; border-radius: var(--radius-md); transition: background 0.2s; }
.user-mini:hover { background: var(--bg-body); }
.user-mini-info { flex: 1; min-width: 0; }
.user-mini-name { font-size: 0.85rem; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-mini-role { font-size: 0.75rem; color: var(--text-muted); }
.main-content { flex: 1; margin-left: var(--sidebar-width); display: flex; flex-direction: column; min-height: 100vh; }
.topbar {
  height: var(--header-height); background-color: var(--bg-card);
  border-bottom: 1px solid var(--border-color);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 1.5rem; position: sticky; top: 0; z-index: 90;
}
.topbar-left { display: flex; align-items: center; gap: 1rem; }
.topbar-right { display: flex; align-items: center; gap: 0.5rem; }
.page-title { font-size: 1.1rem; font-weight: 600; margin: 0; }
.sidebar-toggle { background: none; border: none; cursor: pointer; color: var(--text-muted); font-size: 1.1rem; display: flex; align-items: center; padding: 0.5rem; border-radius: var(--radius-md); transition: all 0.2s; }
.sidebar-toggle:hover { background: var(--bg-body); color: var(--primary); }
.content-wrapper { padding: 1.5rem; flex: 1; }
.page-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.5rem; flex-wrap: wrap; gap: 1rem; }
.page-header h1 { font-size: 1.4rem; margin: 0; }
.breadcrumb { display: flex; align-items: center; gap: 0.5rem; font-size: 0.8rem; color: var(--text-muted); flex-wrap: wrap; margin-top: 0.25rem; }
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .separator { color: var(--border-color); }

/* Icon Buttons in Topbar */
.icon-btn { background: none; border: none; cursor: pointer; width: 38px; height: 38px; border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; color: var(--text-muted); font-size: 1rem; transition: all 0.2s; position: relative; }
.icon-btn:hover { background: var(--bg-body); color: var(--primary); }
.notif-badge { position: absolute; top: 4px; right: 4px; width: 16px; height: 16px; background: var(--danger); border-radius: 50%; font-size: 0.6rem; color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 700; }

/* Dropdown */
.dropdown { position: relative; }
.dropdown-menu { position: absolute; right: 0; top: calc(100% + 8px); background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); min-width: 180px; z-index: 200; display: none; overflow: hidden; }
.dropdown-menu.show { display: block; }
.dropdown-item { display: flex; align-items: center; gap: 0.6rem; padding: 0.6rem 1rem; font-size: 0.875rem; color: var(--text-main); transition: background 0.15s; white-space: nowrap; cursor: pointer; border: none; background: none; width: 100%; }
.dropdown-item:hover { background: var(--bg-body); color: var(--primary); }
.dropdown-item i { width: 16px; color: var(--text-muted); }
.dropdown-divider { height: 1px; background: var(--border-color); margin: 0.25rem 0; }
.notif-dropdown { min-width: 320px; right: 0; left: auto; }
.notif-item { padding: 0.75rem 1rem; border-bottom: 1px solid var(--border-color); cursor: pointer; transition: background 0.15s; }
.notif-item:hover { background: var(--bg-body); }
.notif-item.unread { background: rgba(8,145,178,0.04); }
.notif-title { font-size: 0.85rem; font-weight: 600; margin-bottom: 0.2rem; }
.notif-msg { font-size: 0.8rem; color: var(--text-muted); }
.notif-time { font-size: 0.72rem; color: var(--text-muted); margin-top: 0.25rem; }

/* Mobile bottom nav (siswa & pengajar) */
.mobile-bottom-nav { display: none; }

/* Mobile */
@media(max-width:768px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.show { transform: translateX(0); }
  .main-content { margin-left: 0; }
  .sidebar-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 99; display: none; }
  .sidebar-overlay.show { display: block; }
  .content-wrapper { padding: 1rem; }
  .page-header { flex-direction: column; align-items: flex-start; }

  body.app-mobile-bottom-nav .sidebar,
  body.app-mobile-bottom-nav .sidebar-overlay {
    display: none !important;
  }
  body.app-mobile-bottom-nav .sidebar-toggle {
    display: none;
  }
  body.app-mobile-bottom-nav .mobile-bottom-nav {
    display: flex;
    align-items: stretch;
    justify-content: space-around;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 110;
    background-color: var(--bg-card);
    border-top: 1px solid var(--border-color);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.07);
    padding: 0.3rem 0 calc(0.3rem + env(safe-area-inset-bottom, 0px));
    min-height: 3.25rem;
  }
  body.app-mobile-bottom-nav .mobile-bottom-nav__item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.12rem;
    padding: 0.2rem 0.15rem;
    min-width: 0;
    font-size: 0.62rem;
    font-weight: 500;
    color: var(--text-muted);
    text-decoration: none;
    -webkit-tap-highlight-color: transparent;
    border-radius: var(--radius-sm);
  }
  body.app-mobile-bottom-nav .mobile-bottom-nav__item i {
    font-size: 1.05rem;
  }
  body.app-mobile-bottom-nav .mobile-bottom-nav__item.active {
    color: var(--primary);
    font-weight: 600;
  }
  body.app-mobile-bottom-nav .mobile-bottom-nav__item span {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
    line-height: 1.15;
    text-align: center;
  }
  body.app-mobile-bottom-nav .mobile-bottom-nav--many .mobile-bottom-nav__item {
    font-size: 0.55rem;
    padding: 0.2rem 0.08rem;
  }
  body.app-mobile-bottom-nav .mobile-bottom-nav--many .mobile-bottom-nav__item i {
    font-size: 0.95rem;
  }
  body.app-mobile-bottom-nav .main-content {
    padding-bottom: calc(3.5rem + env(safe-area-inset-bottom, 0px));
    min-height: 100vh;
    min-height: 100dvh;
  }
}

/* ===== AUTH PAGES ===== */
.auth-wrapper { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 2rem 1rem; background: linear-gradient(135deg, #0c4a6e 0%, #164e63 50%, #0f172a 100%); position: relative; overflow: hidden; }
.auth-wrapper::before { content: ''; position: absolute; inset: 0; background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none'%3E%3Cg fill='%230891b2' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E"); }
/* Login/register di layout publik: di bawah navbar tetap, form vertikal tengah */
.auth-wrapper.auth-wrapper--below-nav {
  margin-top: 72px;
  min-height: calc(100vh - 72px);
  min-height: calc(100dvh - 72px);
}
.auth-card { background: var(--bg-card); border-radius: var(--radius-xl); box-shadow: var(--shadow-xl); width: 100%; max-width: 440px; padding: 2.5rem; position: relative; z-index: 1; }
.auth-logo { text-align: center; margin-bottom: 1.75rem; }
.auth-logo .auth-logo-icon { width: 60px; height: 60px; background: linear-gradient(135deg, var(--primary), var(--secondary)); border-radius: var(--radius-lg); display: inline-flex; align-items: center; justify-content: center; font-size: 1.75rem; color: #fff; margin-bottom: 0.75rem; }
.auth-logo h2 { font-size: 1.5rem; margin-bottom: 0.25rem; }
.auth-logo p { color: var(--text-muted); font-size: 0.875rem; margin: 0; }
.auth-divider { text-align: center; position: relative; margin: 1.5rem 0; }
.auth-divider::before { content: ''; position: absolute; top: 50%; left: 0; right: 0; height: 1px; background: var(--border-color); }
.auth-divider span { background: var(--bg-card); padding: 0 0.75rem; color: var(--text-muted); font-size: 0.8rem; position: relative; }

/* ===== SCHEDULE / CALENDAR ===== */
.week-calendar { border: 1px solid var(--border-color); border-radius: var(--radius-lg); overflow: hidden; }
.week-header { display: grid; grid-template-columns: 60px repeat(7, 1fr); background: var(--bg-body); border-bottom: 1px solid var(--border-color); }
.week-header-cell { padding: 0.75rem; text-align: center; font-size: 0.8rem; font-weight: 600; color: var(--text-muted); }
.week-header-cell.today { color: var(--primary); background: rgba(8,145,178,0.05); }
.week-body { display: grid; grid-template-columns: 60px repeat(7, 1fr); }
.time-label { padding: 0.5rem; text-align: right; font-size: 0.7rem; color: var(--text-muted); padding-right: 0.75rem; }
.cal-cell { border-left: 1px solid var(--border-color); border-bottom: 1px solid var(--border-color); min-height: 50px; position: relative; }
.cal-event { position: absolute; left: 2px; right: 2px; background: rgba(8,145,178,0.15); border-left: 3px solid var(--primary); border-radius: var(--radius-sm); padding: 0.25rem 0.4rem; font-size: 0.7rem; overflow: hidden; cursor: pointer; transition: all 0.2s; }
.cal-event:hover { background: rgba(8,145,178,0.25); }
.cal-event.event-secondary { background: rgba(236,72,153,0.15); border-left-color: var(--secondary); }

/* ===== ATTENDANCE TABLE ===== */
.attend-table .status-btn { width: 32px; height: 32px; border-radius: 50%; border: 2px solid var(--border-color); background: transparent; cursor: pointer; font-size: 0.75rem; transition: all 0.2s; }
.attend-table .status-btn.hadir { border-color: var(--success); background: var(--success); color: #fff; }
.attend-table .status-btn.absen { border-color: var(--danger); background: var(--danger); color: #fff; }
.attend-table .status-btn.izin { border-color: var(--warning); background: var(--warning); color: #fff; }
.attend-table .status-btn.terlambat { border-color: var(--info); background: var(--info); color: #fff; }
.attend-table .status-btn.sakit { border-color: var(--text-muted); background: var(--text-muted); color: #fff; }

/* Progress bar */
.progress { height: 8px; background: var(--bg-body); border-radius: 9999px; overflow: hidden; }
.progress-bar { height: 100%; background: linear-gradient(90deg, var(--primary), var(--primary-light)); border-radius: 9999px; transition: width 0.6s; }
.progress-bar.bar-secondary { background: linear-gradient(90deg, var(--secondary), var(--secondary-light)); }
.progress-bar.bar-success { background: linear-gradient(90deg, var(--success), #34d399); }

/* ===== CERTIFICATE ===== */
.certificate-wrapper { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 2rem; background: linear-gradient(135deg, #0c4a6e, #0f172a); }
.certificate { width: 100%; max-width: 820px; background: #fff; border-radius: var(--radius-xl); padding: 4rem; position: relative; overflow: hidden; box-shadow: var(--shadow-xl); }
.certificate::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 8px; background: linear-gradient(90deg, var(--primary), var(--secondary), var(--primary)); }
.certificate::after { content: ''; position: absolute; inset: 20px; border: 2px solid; border-color: var(--primary) transparent var(--secondary) transparent; border-radius: var(--radius-xl); pointer-events: none; opacity: 0.15; }
.cert-header { text-align: center; margin-bottom: 2rem; }
.cert-institution { font-size: 0.85rem; color: var(--text-muted); letter-spacing: 0.15em; text-transform: uppercase; margin-bottom: 0.5rem; }
.cert-type { font-size: 2.5rem; font-weight: 800; background: linear-gradient(135deg, var(--primary), var(--secondary)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.cert-body { text-align: center; padding: 1.5rem 2rem; }
.cert-presented { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 0.5rem; }
.cert-name { font-size: 2rem; font-weight: 700; color: var(--primary-dark); margin-bottom: 0.5rem; border-bottom: 2px solid var(--primary); display: inline-block; padding-bottom: 0.5rem; }
.cert-course-label { font-size: 0.9rem; color: var(--text-muted); margin: 1rem 0 0.25rem; }
.cert-course { font-size: 1.25rem; font-weight: 600; color: var(--text-main); }
.cert-footer { display: flex; justify-content: space-between; align-items: flex-end; margin-top: 3rem; }
.cert-sign { text-align: center; }
.cert-sign-line { width: 150px; border-top: 1px solid #999; margin: 0 auto 0.4rem; }
.cert-sign-name { font-size: 0.9rem; font-weight: 600; }
.cert-sign-title { font-size: 0.75rem; color: var(--text-muted); }
.cert-qr { text-align: center; }
.cert-qr-code { width: 80px; height: 80px; background: var(--bg-body); border: 1px solid var(--border-color); border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; font-size: 2rem; color: var(--text-muted); margin: 0 auto 0.4rem; }
.cert-verify-code { font-size: 0.7rem; color: var(--text-muted); font-family: monospace; }
@media print {
  body { background: #fff; }
  .certificate-wrapper { background: #fff; padding: 0; }
  .certificate { box-shadow: none; max-width: 100%; border-radius: 0; }
  .no-print { display: none !important; }
}

/* ===== MISC COMPONENTS ===== */
.empty-state { text-align: center; padding: 3rem 1.5rem; }
.empty-state .empty-icon { font-size: 3rem; color: var(--border-color); margin-bottom: 1rem; }
.empty-state h4 { color: var(--text-muted); margin-bottom: 0.5rem; }
.empty-state p { color: var(--text-muted); font-size: 0.9rem; }

.tab-nav { display: flex; gap: 0; border-bottom: 2px solid var(--border-color); margin-bottom: 1.5rem; overflow-x: auto; }
.tab-btn { background: none; border: none; padding: 0.75rem 1.25rem; font-size: 0.875rem; font-weight: 500; color: var(--text-muted); cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -2px; white-space: nowrap; transition: all 0.2s; }
.tab-btn.active { color: var(--primary); border-bottom-color: var(--primary); }
.tab-btn:hover { color: var(--primary); }
.tab-pane { display: none; }
.tab-pane.active { display: block; }

.search-box { position: relative; }
.search-box input { padding-left: 2.5rem; }
.search-box i { position: absolute; left: 0.85rem; top: 50%; transform: translateY(-50%); color: var(--text-muted); font-size: 0.9rem; }

.filter-bar { display: flex; align-items: center; gap: 0.75rem; flex-wrap: wrap; margin-bottom: 1.25rem; }

.info-list { list-style: none; }
.info-list li { display: flex; gap: 0.75rem; padding: 0.6rem 0; border-bottom: 1px solid var(--border-color); font-size: 0.875rem; }
.info-list li:last-child { border-bottom: none; }
.info-list .info-label { color: var(--text-muted); min-width: 140px; flex-shrink: 0; }
.info-list .info-value { font-weight: 500; }

.timeline { position: relative; padding-left: 2rem; }
.timeline::before { content: ''; position: absolute; left: 7px; top: 0; bottom: 0; width: 2px; background: var(--border-color); }
.timeline-item { position: relative; margin-bottom: 1.5rem; }
.timeline-dot { position: absolute; left: -2rem; top: 4px; width: 16px; height: 16px; border-radius: 50%; background: var(--primary); border: 3px solid var(--bg-card); box-shadow: 0 0 0 2px var(--primary); }
.timeline-title { font-weight: 600; font-size: 0.9rem; }
.timeline-date { font-size: 0.8rem; color: var(--text-muted); }
.timeline-body { font-size: 0.85rem; color: var(--text-muted); margin-top: 0.25rem; }

/* ===== LOADING ===== */
.spinner { display: inline-block; width: 20px; height: 20px; border: 2px solid var(--border-color); border-top-color: var(--primary); border-radius: 50%; animation: spin 0.7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ===== DATA TABLES (server-side) ===== */
.dataTables_wrapper { font-size: 0.875rem; padding: 0.5rem 0; }
.dataTables_wrapper .dataTables_length,
.dataTables_wrapper .dataTables_filter { margin-bottom: 0.75rem; }
.dataTables_wrapper .dataTables_filter input {
  padding: 0.35rem 0.6rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: var(--bg-card);
  color: var(--text-main);
  margin-left: 0.5rem;
}
.dataTables_wrapper .dataTables_info { padding-top: 0.75rem; color: var(--text-muted); font-size: 0.8rem; }
.dataTables_wrapper .dataTables_paginate { padding-top: 0.75rem; }
table.dataTable thead th { border-bottom: 1px solid var(--border-color); }
table.dataTable.no-footer { border-bottom: none; }
table.dataTable thead th,
table.dataTable thead td,
table.dataTable tbody th,
table.dataTable tbody td {
  padding: 1rem 1.35rem;
  box-sizing: border-box;
}

/* ===== RESPONSIVE ADJUSTMENTS ===== */
@media(max-width:540px) {
  .stat-card .stat-value { font-size: 1.5rem; }
  .section-title { font-size: 1.5rem; }
  .hero-title { font-size: 2rem; }
}