/* =========================================================
   Modern School Website — Global Styles
   ========================================================= */
:root {
  --primary: #4f46e5;
  --primary-dark: #3730a3;
  --primary-light: #818cf8;
  --secondary: #f59e0b;
  --accent: #10b981;
  --dark: #111827;
  --gray-900: #1f2937;
  --gray-700: #374151;
  --gray-500: #6b7280;
  --gray-300: #d1d5db;
  --gray-100: #f3f4f6;
  --gray-50: #f9fafb;
  --white: #ffffff;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 3px rgba(17,24,39,0.08);
  --shadow-md: 0 8px 24px rgba(17,24,39,0.10);
  --shadow-lg: 0 20px 45px rgba(17,24,39,0.14);
  --font: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--gray-900);
  background: var(--gray-50);
  line-height: 1.65;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 80px 0; }
.section-alt { background: var(--white); }

.section-head { text-align: center; max-width: 640px; margin: 0 auto 48px; }
.section-tag {
  display: inline-block;
  color: var(--primary);
  background: rgba(79,70,229,0.1);
  padding: 6px 16px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.section-head h2 { font-size: 2.2rem; font-weight: 700; color: var(--dark); margin-bottom: 12px; }
.section-head p { color: var(--gray-500); font-size: 1.05rem; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: 0.25s ease;
}
.btn-primary { background: var(--primary); color: var(--white); box-shadow: 0 8px 20px rgba(79,70,229,0.35); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); }
.btn-outline { background: transparent; color: var(--white); border: 2px solid rgba(255,255,255,0.7); }
.btn-outline:hover { background: rgba(255,255,255,0.15); }
.btn-secondary { background: var(--secondary); color: var(--white); }
.btn-secondary:hover { filter: brightness(0.95); transform: translateY(-2px); }
.btn-sm { padding: 8px 16px; font-size: 0.85rem; border-radius: 8px; }
.btn-danger { background: #ef4444; color: #fff; }
.btn-block { width: 100%; justify-content: center; }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
}
.navbar { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; }
.brand { display: flex; align-items: center; gap: 12px; font-weight: 700; font-size: 1.3rem; color: var(--dark); }
.brand img { height: 46px; width: 46px; object-fit: cover; border-radius: 10px; }
.brand-text small { display: block; font-size: 0.7rem; font-weight: 500; color: var(--gray-500); }

.nav-links { display: flex; align-items: center; gap: 30px; }
.nav-links a { font-weight: 500; color: var(--gray-700); position: relative; padding: 6px 0; }
.nav-links a:hover, .nav-links a.active { color: var(--primary); }
.nav-links a.active::after {
  content: ''; position: absolute; bottom: -2px; left: 0; right: 0; height: 3px;
  background: var(--primary); border-radius: 2px;
}
.nav-cta { background: var(--primary); color: #fff !important; padding: 10px 22px; border-radius: 999px; }

.nav-toggle { display: none; flex-direction: column; gap: 5px; cursor: pointer; background: none; border: none; }
.nav-toggle span { width: 26px; height: 3px; background: var(--dark); border-radius: 3px; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 55%, #1e1b4b 100%);
  color: #fff;
  padding: 110px 0 130px;
  overflow: hidden;
}
.hero::before, .hero::after {
  content: ''; position: absolute; border-radius: 50%;
  background: rgba(255,255,255,0.08);
}
.hero::before { width: 420px; height: 420px; top: -160px; right: -100px; }
.hero::after { width: 280px; height: 280px; bottom: -120px; left: -60px; background: rgba(245,158,11,0.18); }
.hero-inner { position: relative; z-index: 2; display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 50px; align-items: center; }
.hero-tag {
  display: inline-block; background: rgba(255,255,255,0.15); padding: 8px 18px;
  border-radius: 999px; font-size: 0.85rem; font-weight: 600; margin-bottom: 20px;
}
.hero h1 { font-size: 3rem; font-weight: 800; line-height: 1.15; margin-bottom: 20px; }
.hero h1 span { color: var(--secondary); }
.hero p { font-size: 1.1rem; opacity: 0.9; margin-bottom: 32px; max-width: 520px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-visual {
  background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.2);
  border-radius: 24px; padding: 30px; backdrop-filter: blur(6px);
}
.hero-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 40px; position: relative; z-index: 2; }
.stat-box { background: rgba(255,255,255,0.1); border-radius: var(--radius-sm); padding: 18px 20px; }
.stat-box b { font-size: 1.6rem; display: block; }
.stat-box span { font-size: 0.85rem; opacity: 0.85; }

/* ---------- Cards / Features ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

.feature-card {
  background: var(--white); border-radius: var(--radius); padding: 34px 28px;
  box-shadow: var(--shadow-sm); border: 1px solid var(--gray-100);
  transition: 0.3s ease;
}
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: transparent; }
.feature-icon {
  width: 56px; height: 56px; border-radius: 14px; display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem; background: rgba(79,70,229,0.1); color: var(--primary); margin-bottom: 18px;
}
.feature-card h3 { font-size: 1.15rem; margin-bottom: 10px; }
.feature-card p { color: var(--gray-500); font-size: 0.95rem; }

/* ---------- About ---------- */
.about-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 56px; align-items: center; }
.about-img { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-lg); position: relative; }
.about-img img { height: 420px; object-fit: cover; width: 100%; }
.about-badge {
  position: absolute; bottom: -20px; right: -20px; background: var(--secondary); color: #fff;
  padding: 20px 24px; border-radius: var(--radius-sm); box-shadow: var(--shadow-md); text-align: center;
}
.about-badge b { font-size: 1.7rem; display: block; }
.check-list li { display: flex; gap: 12px; margin-bottom: 14px; color: var(--gray-700); }
.check-list li::before { content: '✓'; background: var(--accent); color: #fff; width: 22px; height: 22px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 0.75rem; flex-shrink: 0; }

/* ---------- Notices ---------- */
.notice-list { display: flex; flex-direction: column; gap: 16px; }
.notice-item {
  display: flex; gap: 20px; align-items: flex-start; background: var(--white);
  border-radius: var(--radius-sm); padding: 20px 24px; box-shadow: var(--shadow-sm);
  border-left: 4px solid var(--primary);
}
.notice-item.important { border-left-color: var(--secondary); background: #fffbeb; }
.notice-date {
  background: var(--gray-100); border-radius: 10px; padding: 10px 14px; text-align: center;
  font-weight: 700; color: var(--primary); min-width: 64px; font-size: 0.85rem;
}
.notice-item h4 { margin-bottom: 4px; }
.notice-item p { color: var(--gray-500); font-size: 0.92rem; }
.badge-important { background: var(--secondary); color: #fff; font-size: 0.7rem; padding: 2px 10px; border-radius: 999px; margin-left: 8px; }

/* ---------- Class Notes ---------- */
.breadcrumb { display: flex; gap: 8px; align-items: center; color: var(--gray-500); font-size: 0.9rem; margin-bottom: 30px; flex-wrap: wrap; }
.breadcrumb a { color: var(--primary); font-weight: 500; }
.breadcrumb span { color: var(--gray-300); }

.pill-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 20px; }
.pill-card {
  background: var(--white); border-radius: var(--radius); padding: 26px 22px; box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-100); transition: 0.25s ease; display: flex; align-items: center; gap: 16px;
}
.pill-card:hover { border-color: var(--primary); box-shadow: var(--shadow-md); transform: translateY(-4px); }
.pill-icon { width: 48px; height: 48px; border-radius: 12px; background: rgba(79,70,229,0.1); color: var(--primary); display: flex; align-items: center; justify-content: center; font-size: 1.3rem; flex-shrink: 0; }
.pill-card h4 { font-size: 1.05rem; margin-bottom: 2px; }
.pill-card span { font-size: 0.82rem; color: var(--gray-500); }

.note-card {
  background: var(--white); border-radius: var(--radius-sm); padding: 22px; box-shadow: var(--shadow-sm);
  display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-bottom: 16px;
  border: 1px solid var(--gray-100);
}
.note-card h4 { margin-bottom: 6px; }
.note-card p { color: var(--gray-500); font-size: 0.9rem; }

/* ---------- Gallery ---------- */
.gallery-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.gallery-grid img { width: 100%; height: 200px; object-fit: cover; border-radius: var(--radius-sm); transition: 0.3s; cursor: pointer; }
.gallery-grid img:hover { transform: scale(1.03); box-shadow: var(--shadow-md); }

/* ---------- Contact / Forms ---------- */
.contact-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 40px; }
.info-card { background: var(--white); border-radius: var(--radius); padding: 30px; box-shadow: var(--shadow-sm); margin-bottom: 18px; display: flex; gap: 16px; align-items: flex-start; }
.info-card .feature-icon { margin-bottom: 0; }

.form-card { background: var(--white); border-radius: var(--radius); padding: 40px; box-shadow: var(--shadow-md); }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-weight: 600; margin-bottom: 8px; font-size: 0.9rem; color: var(--gray-700); }
.form-control {
  width: 100%; padding: 13px 16px; border: 1.5px solid var(--gray-300); border-radius: var(--radius-sm);
  font-family: var(--font); font-size: 0.95rem; transition: 0.2s;
}
.form-control:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(79,70,229,0.12); }
textarea.form-control { resize: vertical; min-height: 120px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* ---------- Footer ---------- */
.site-footer { background: var(--dark); color: #d1d5db; padding: 64px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 40px; margin-bottom: 40px; }
.footer-grid h4 { color: #fff; margin-bottom: 18px; font-size: 1.05rem; }
.footer-grid p, .footer-grid a { color: #9ca3af; font-size: 0.92rem; }
.footer-grid ul li { margin-bottom: 10px; }
.footer-grid ul li a:hover { color: var(--primary-light); }
.footer-social { display: flex; gap: 12px; margin-top: 16px; }
.footer-social a { width: 38px; height: 38px; border-radius: 50%; background: rgba(255,255,255,0.08); display: flex; align-items: center; justify-content: center; }
.footer-social a:hover { background: var(--primary); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 22px; text-align: center; font-size: 0.85rem; color: #6b7280; }

/* ---------- Page banner (inner pages) ---------- */
.page-banner {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff; padding: 60px 0; text-align: center;
}
.page-banner h1 { font-size: 2.2rem; font-weight: 700; }
.page-banner .breadcrumb { justify-content: center; margin-bottom: 0; margin-top: 10px; }
.page-banner .breadcrumb a, .page-banner .breadcrumb span { color: rgba(255,255,255,0.85); }

/* ---------- Alerts ---------- */
.alert { padding: 14px 20px; border-radius: var(--radius-sm); margin-bottom: 20px; font-weight: 500; font-size: 0.92rem; }
.alert-success { background: #d1fae5; color: #065f46; }
.alert-error { background: #fee2e2; color: #991b1b; }
.alert-info { background: #dbeafe; color: #1e40af; }

/* ---------- Empty state ---------- */
.empty-state { text-align: center; padding: 50px 20px; color: var(--gray-500); }
.empty-state div:first-child { font-size: 2.5rem; margin-bottom: 12px; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .hero-inner, .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  .nav-links { position: fixed; top: 74px; left: 0; right: 0; background: #fff; flex-direction: column; padding: 24px; gap: 18px; box-shadow: var(--shadow-md); display: none; }
  .nav-links.open { display: flex; }
  .nav-toggle { display: flex; }
  .hero h1 { font-size: 2.1rem; }
  .grid-3, .grid-2, .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .form-row { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: 1fr 1fr; }
}

/* =========================================================
   Admin Panel Styles
   ========================================================= */
.admin-body { background: var(--gray-100); font-family: var(--font); }
.admin-wrap { display: flex; min-height: 100vh; }
.admin-sidebar {
  width: 250px; background: var(--dark); color: #d1d5db; flex-shrink: 0;
  padding: 24px 0; position: sticky; top: 0; height: 100vh; overflow-y: auto;
}
.admin-brand { padding: 0 24px 24px; font-weight: 700; color: #fff; font-size: 1.15rem; border-bottom: 1px solid rgba(255,255,255,0.08); margin-bottom: 16px; }
.admin-nav a {
  display: flex; align-items: center; gap: 12px; padding: 12px 24px; color: #9ca3af; font-weight: 500; font-size: 0.92rem;
  border-left: 3px solid transparent;
}
.admin-nav a:hover { background: rgba(255,255,255,0.05); color: #fff; }
.admin-nav a.active { background: rgba(79,70,229,0.15); color: #fff; border-left-color: var(--primary); }
.admin-nav .nav-section { padding: 18px 24px 6px; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.06em; color: #6b7280; }

.admin-main { flex: 1; padding: 28px 34px; max-width: 100%; overflow-x: hidden; }
.admin-topbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 26px; }
.admin-topbar h1 { font-size: 1.5rem; }
.admin-user { display: flex; align-items: center; gap: 14px; font-size: 0.9rem; color: var(--gray-500); }

.admin-card { background: #fff; border-radius: var(--radius-sm); box-shadow: var(--shadow-sm); padding: 24px; margin-bottom: 24px; }
.admin-card h3 { margin-bottom: 18px; font-size: 1.1rem; }

.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-bottom: 26px; }
.stat-card { background: #fff; border-radius: var(--radius-sm); padding: 22px; box-shadow: var(--shadow-sm); display: flex; align-items: center; gap: 16px; }
.stat-card .icon { width: 50px; height: 50px; border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 1.3rem; color: #fff; }
.stat-card b { font-size: 1.5rem; display: block; }
.stat-card span { font-size: 0.82rem; color: var(--gray-500); }

table.data-table { width: 100%; border-collapse: collapse; }
.data-table th, .data-table td { text-align: left; padding: 13px 14px; border-bottom: 1px solid var(--gray-100); font-size: 0.9rem; }
.data-table th { color: var(--gray-500); font-weight: 600; text-transform: uppercase; font-size: 0.75rem; letter-spacing: 0.04em; }
.data-table tr:hover td { background: var(--gray-50); }
.table-actions { display: flex; gap: 8px; }

.login-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, var(--primary), var(--primary-dark)); padding: 20px; }
.login-card { background: #fff; border-radius: var(--radius); padding: 44px; width: 100%; max-width: 400px; box-shadow: var(--shadow-lg); }
.login-card h2 { text-align: center; margin-bottom: 6px; }
.login-card p.sub { text-align: center; color: var(--gray-500); margin-bottom: 28px; font-size: 0.9rem; }

@media (max-width: 900px) {
  .admin-sidebar { position: fixed; left: -260px; z-index: 200; transition: 0.25s; }
  .admin-sidebar.open { left: 0; }
  .admin-main { padding: 20px; }
  .stat-grid { grid-template-columns: 1fr 1fr; }
}