/* CSS ស្រង់ចេញពី Css.html របស់ Sovannaphumi School Takeo Campus */
:root { 
  --primary: #004b99; 
  --primary-dark: #003366;
  --secondary: #d32f2f;
}

* {
  box-sizing: border-box;
}

body { 
  font-family: 'Outfit', 'Battambang', 'Kantumruy Pro', sans-serif; 
  background-color: #f0f4f8; 
  margin: 0; 
  padding: 0; 
  color: #1e293b;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ==================== NAVBAR ==================== */
.navbar { 
  display: flex; 
  justify-content: space-between; 
  align-items: center; 
  padding: 12px 40px; 
  background-color: white; 
  border-top: 5px solid var(--primary); 
  box-shadow: 0 4px 10px rgba(0,0,0,0.03); 
  position: sticky; 
  top: 0; 
  z-index: 1000; 
}

.nav-left { 
  display: flex; 
  align-items: center; 
  gap: 12px; 
  cursor: pointer;
}

.logo-text { 
  display: flex; 
  flex-direction: column; 
}

.school-name { 
  color: var(--primary); 
  font-weight: 800; 
  font-size: 1.15rem; 
  line-height: 1.1; 
}

.campus-name { 
  color: #d32f2f; 
  font-weight: 700; 
  font-size: 0.85rem; 
}

.nav-links { 
  display: flex; 
  gap: 25px; 
}

.nav-link { 
  text-decoration: none !important; 
  color: #64748b; 
  font-weight: 600; 
  font-size: 0.95rem; 
  padding: 8px 4px; 
  border-bottom: 2px solid transparent !important; 
  transition: all 0.25s ease; 
  cursor: pointer;
  background: none;
  border: none;
}

.nav-link:hover { 
  color: var(--primary); 
}

.nav-link.active { 
  color: var(--primary) !important; 
  border-bottom: 2.5px solid var(--primary) !important; 
  font-weight: 700;
}

.nav-right { 
  display: flex; 
  align-items: center; 
  gap: 20px; 
}

.search-icon { 
  cursor: pointer; 
  color: #334155; 
  display: flex; 
  align-items: center; 
  padding: 6px;
  border-radius: 8px;
  transition: background 0.2s;
}

.search-icon:hover {
  background-color: #f1f5f9;
}

.lang-toggle { 
  display: flex; 
  background-color: #f1f5f9; 
  border-radius: 20px; 
  padding: 4px; 
  cursor: pointer; 
}

.lang-option { 
  padding: 4px 12px; 
  font-size: 0.8rem; 
  font-weight: 700; 
  color: #64748b; 
  border-radius: 15px; 
  transition: all 0.2s; 
}

.lang-option.active { 
  background-color: white; 
  color: var(--primary); 
  box-shadow: 0 2px 6px rgba(0,0,0,0.1); 
}

/* Mobile Menu Toggle Button */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.4rem;
  color: #334155;
  cursor: pointer;
}

/* ==================== LAYOUT ==================== */
.content-page {
  flex: 1;
  width: 100%;
}

.main-container { 
  max-width: 1200px; 
  margin: 0 auto; 
  padding: 0 1.5rem; 
}

.content-wrapper { 
  padding: 2rem 0; 
  display: flex; 
  flex-direction: column; 
  gap: 2rem; 
}

.page-title { 
  color: var(--primary); 
  margin-bottom: 1rem; 
}

.page-box { 
  background: white; 
  border-radius: 16px; 
  padding: 2rem; 
  box-shadow: 0 4px 15px rgba(0,0,0,0.02); 
  border: 1px solid #e2e8f0;
}

/* ==================== HOME / DASHBOARD ==================== */
.welcome-header { 
  background: linear-gradient(135deg, var(--primary), #002255); 
  border-radius: 20px; 
  padding: 2.5rem; 
  color: white; 
  display: flex; 
  justify-content: space-between; 
  align-items: center; 
  box-shadow: 0 10px 30px rgba(0, 75, 153, 0.2); 
}

.welcome-header h1 { 
  margin: 0; 
  font-size: 2.2rem; 
  font-weight: 600; 
  letter-spacing: 0.5px; 
}

.welcome-header p { 
  margin: 10px 0 0; 
  font-size: 1.1rem; 
  opacity: 0.9; 
  font-weight: 400; 
}

.date-display { 
  margin: 0; 
  font-size: 1.05rem; 
  font-weight: 600; 
  background: rgba(255,255,255,0.15); 
  padding: 10px 20px; 
  border-radius: 12px; 
  backdrop-filter: blur(5px); 
  border: 1px solid rgba(255,255,255,0.2); 
}

.stats-grid { 
  display: grid; 
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); 
  gap: 1.5rem; 
}

.stat-card { 
  background: white; 
  border-radius: 16px; 
  padding: 1.5rem; 
  border: 1px solid #e2e8f0; 
  box-shadow: 0 4px 15px rgba(0,0,0,0.02); 
  display: flex; 
  align-items: center; 
  gap: 1.2rem; 
  transition: transform 0.3s, box-shadow 0.3s; 
  cursor: pointer; 
}

.stat-card:hover { 
  transform: translateY(-5px); 
  box-shadow: 0 12px 25px rgba(0,0,0,0.06); 
}

.stat-icon { 
  width: 64px; 
  height: 64px; 
  border-radius: 14px; 
  display: flex; 
  align-items: center; 
  justify-content: center; 
  font-size: 2rem; 
}

.icon-blue { background: #ebf4ff; color: var(--primary); }
.icon-green { background: #f0fdf4; color: #16a34a; }
.icon-purple { background: #fdf4ff; color: #c026d3; }
.icon-orange { background: #fffbeb; color: #d97706; }

.stat-title { 
  margin: 0; 
  font-size: 0.85rem; 
  color: #64748b; 
  font-weight: 700; 
  text-transform: uppercase; 
}

.stat-value { 
  margin: 4px 0 0; 
  font-size: 2rem; 
  font-weight: 800; 
  color: #1e293b; 
}

.lower-section { 
  display: grid; 
  grid-template-columns: 2fr 1fr; 
  gap: 1.5rem; 
}

.card-section { 
  background: white; 
  border-radius: 20px; 
  padding: 2rem; 
  border: 1px solid #e2e8f0; 
  box-shadow: 0 4px 20px rgba(0,0,0,0.02); 
}

.section-header { 
  display: flex; 
  justify-content: space-between; 
  align-items: center; 
  border-bottom: 2px solid #f1f5f9; 
  padding-bottom: 1rem; 
  margin-bottom: 1.5rem; 
}

.section-header h3 { 
  margin: 0; 
  font-size: 1.3rem; 
  font-weight: 700; 
  color: #0f172a; 
}

.nav-grid { 
  display: grid; 
  grid-template-columns: 1fr 1fr; 
  gap: 1rem; 
}

.nav-item { 
  text-decoration: none; 
  padding: 2rem 1.5rem; 
  background: #f8fafc; 
  border-radius: 16px; 
  border: 1px solid #e2e8f0; 
  display: flex; 
  flex-direction: column; 
  align-items: center; 
  gap: 12px; 
  transition: all 0.3s; 
  color: #1e293b; 
  cursor: pointer;
}

.nav-item:hover { 
  background: var(--primary); 
  color: white; 
  border-color: var(--primary); 
}

.nav-icon { 
  font-size: 2.5rem; 
  display: block; 
}

.nav-text { 
  font-weight: 700; 
  font-size: 1.1rem; 
}

.notices-list { 
  display: flex; 
  flex-direction: column; 
  gap: 1rem; 
}

.notice-item { 
  padding: 1.2rem; 
  border-radius: 10px; 
}

.notice-item h4 { 
  margin: 0 0 5px; 
  font-size: 1rem; 
  font-weight: 700; 
}

.notice-item p { 
  margin: 0; 
  font-size: 0.85rem; 
  line-height: 1.4; 
}

.notice-warning { background: #fffbeb; border-left: 4px solid #f59e0b; }
.notice-warning h4 { color: #b45309; }
.notice-warning p { color: #92400e; }

.notice-success { background: #f0fdf4; border-left: 4px solid #22c55e; }
.notice-success h4 { color: #166534; }
.notice-success p { color: #14532d; }

.notice-info { background: #f8fafc; border-left: 4px solid #3b82f6; }
.notice-info h4 { color: #1e3a8a; }
.notice-info p { color: #1e40af; }

/* ==================== E-LAB & AI SECTION ==================== */
.staff-page-wrapper {
  display: flex;
  gap: 1.5rem;
  margin-top: 0;
  padding: 1.5rem;
  max-width: 1300px;
  margin: 0 auto;
}

.staff-sidebar {
  width: 260px;
  background: white;
  border-radius: 20px;
  padding: 1.5rem;
  box-shadow: 0 4px 15px rgba(0,0,0,0.02);
  border: 1px solid #e2e8f0;
  height: fit-content;
}

.sidebar-header h3 {
  margin: 0 0 1rem 0;
  color: var(--primary);
  font-size: 1.3rem;
  font-weight: 700;
  border-bottom: 2px solid #f1f5f9;
  padding-bottom: 0.75rem;
}

.side-link {
  display: flex;
  align-items: center;
  padding: 0.75rem 1rem;
  border-radius: 12px;
  color: #64748b;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s;
  margin-bottom: 0.5rem;
}

.side-link:hover {
  background-color: #f1f5f9;
  color: var(--primary);
}

.side-link.active {
  background-color: #eff6ff;
  color: var(--primary);
  font-weight: 700;
}

.tool-card {
  background: #f8fafc; 
  border: 1px solid #e2e8f0; 
  border-radius: 10px; 
  padding: 0.8rem 0.5rem; 
  text-align: center; 
  transition: all 0.3s; 
  cursor: pointer; 
  display: flex; 
  flex-direction: column; 
  align-items: center; 
  justify-content: center; 
  height: 100%;
}

.tool-card:hover {
  transform: translateY(-4px); 
  box-shadow: 0 6px 12px rgba(0,0,0,0.05); 
  border-color: var(--primary);
  background: white;
}

/* Tab display controllers */
.tab-view {
  display: none;
}

.tab-view.active-view {
  display: block;
  animation: fadeIn 0.25s ease-in-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Fullscreen iframe container */
.iframe-container {
  width: 100%;
  height: calc(100vh - 80px);
  border: none;
  display: block;
}

/* ==================== FOOTER ==================== */
footer { 
  text-align: center; 
  padding: 20px 0; 
  color: #64748b; 
  font-size: 0.9rem; 
  background: white;
  border-top: 1px solid #e2e8f0;
  margin-top: auto;
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 992px) {
  .navbar {
    padding: 12px 20px;
  }
  .nav-links {
    display: none;
  }
  .nav-links.mobile-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 70px;
    left: 0;
    width: 100%;
    background: white;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
    padding: 1rem 2rem;
    gap: 15px;
    border-bottom: 2px solid #e2e8f0;
  }
  .mobile-toggle {
    display: block;
  }
  .lower-section {
    grid-template-columns: 1fr;
  }
  .welcome-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }
  .staff-page-wrapper {
    flex-direction: column;
  }
  .staff-sidebar {
    width: 100%;
  }
}