/* style.css - การออกแบบสไตล์ของระบบตัดคะแนนการเดินแถวประจำเดือน */

@import url('https://fonts.googleapis.com/css2?family=Caveat:wght@700&family=Itim&family=Outfit:wght@300;400;500;600;700&family=Sarabun:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&display=swap');

:root {
  --primary-navy: #0F172A;      /* สีน้ำเงินเข้ม */
  --primary-navy-light: #1E293B;/* น้ำเงินสว่างขึ้นเล็กน้อย */
  --navy-accent: #3B82F6;       /* สีฟ้าไฮไลท์ */
  --secondary-green: #10B981;   /* สีเขียวดีมาก */
  --secondary-green-hover: #059669;
  --secondary-green-light: #D1FAE5;
  --white: #FFFFFF;
  --bg-slate: #F8FAFC;          /* สีขาวเทาพื้นหลัง */
  --border-color: #E2E8F0;
  
  /* สีสถานะ */
  --color-success: #10B981;     /* เขียว >= 80 */
  --color-warning: #F59E0B;     /* เหลือง 70-79 */
  --color-danger: #EF4444;      /* แดง 60-69 */
  --color-critical: #DC2626;    /* แดงเข้ม/วิกฤต < 60 */
  
  --font-thai: 'Sarabun', sans-serif;
  --font-eng: 'Outfit', sans-serif;
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-premium: 0 20px 25px -5px rgba(15, 23, 42, 0.08), 0 10px 10px -5px rgba(15, 23, 42, 0.04);
}

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

body {
  font-family: var(--font-thai);
  background-color: var(--bg-slate);
  color: #334155;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Integrated Role Switcher inside Header */
.header-role-switcher {
  display: flex;
  align-items: center;
  gap: 16px;
  background: #F1F5F9;
  padding: 6px 12px;
  border-radius: 50px;
  border: 1px solid #E2E8F0;
  transition: var(--transition-smooth);
}

.switcher-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  border: 2px solid transparent;
  cursor: pointer;
  font-family: var(--font-thai);
  font-size: 0.9rem;
  font-weight: 600;
  transition: var(--transition-smooth);
  outline: none;
  padding: 4px 12px;
  border-radius: 30px;
}

/* Director Avatar Button */
.director-btn {
  padding: 4px 14px 4px 6px;
  background: var(--white);
  border: 1px solid #CBD5E1;
  color: #334155;
  box-shadow: var(--shadow-sm);
}

.director-avatar-img {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid #E2E8F0;
  transition: var(--transition-smooth);
}

.director-btn.active {
  background: #EFF6FF;
  border-color: #3B82F6;
  color: #1E40AF;
  box-shadow: 0 0 12px rgba(59, 130, 246, 0.3);
}
.director-btn.active .director-avatar-img {
  border-color: #3B82F6;
  transform: scale(1.05);
}

/* Weekday Buttons */
.day-switcher-group {
  display: flex;
  align-items: center;
  gap: 8px;
  border-left: 1px solid #CBD5E1;
  padding-left: 16px;
}

.day-switcher-label {
  font-size: 0.8rem;
  font-weight: 700;
  color: #64748B;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-right: 4px;
}

.day-btn {
  font-family: 'Caveat', 'Itim', cursive;
  font-size: 1.15rem;
  font-weight: 700;
  padding: 2px 10px;
  min-width: 52px;
  text-align: center;
  justify-content: center;
  color: #1E293B;
  /* Brush stroke effect */
  border-radius: 255px 15px 225px 15px/15px 225px 15px 255px;
  box-shadow: 2px 3px 5px rgba(0,0,0,0.05);
  transform: rotate(var(--rotation, 0deg));
}

/* Individual weekday colors and slight rotations for organic look */
.day-mon {
  --bg-color: #FEF9C3; /* soft yellow */
  --bg-hover: #FEF08A;
  --bg-active: #FDE047;
  --rotation: -1.2deg;
}
.day-tue {
  --bg-color: #FCE7F3; /* soft pink */
  --bg-hover: #FBCFE8;
  --bg-active: #F472B6;
  --rotation: 1deg;
}
.day-wed {
  --bg-color: #D1FAE5; /* soft green */
  --bg-hover: #A7F3D0;
  --bg-active: #34D399;
  --rotation: -0.8deg;
}
.day-thu {
  --bg-color: #FFEDD5; /* soft orange/แสด */
  --bg-hover: #FED7AA;
  --bg-active: #FB923C;
  --rotation: 1.4deg;
}
.day-fri {
  --bg-color: #DBEAFE; /* soft blue */
  --bg-hover: #BFDBFE;
  --bg-active: #60A5FA;
  --rotation: -1deg;
}

/* Default day-btn state */
.day-btn {
  background: var(--bg-color);
  border: 1px solid rgba(0,0,0,0.08);
}

.day-btn:hover {
  background: var(--bg-hover) !important;
  transform: rotate(var(--rotation)) scale(1.08) !important;
}

.day-btn.active {
  background: var(--bg-active) !important;
  border: 2px solid #0F172A !important;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1), 0 0 10px var(--bg-active) !important;
  transform: rotate(var(--rotation)) scale(1.1) !important;
  color: #000 !important;
}

/* Admin Button */
.header-status-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

.admin-btn {
  padding: 4px 14px 4px 6px;
  border-radius: 30px;
  background: var(--white);
  border: 1px solid #CBD5E1;
  color: #334155;
  box-shadow: var(--shadow-sm);
}

.admin-badge-img {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: contain;
}

.admin-btn.active {
  background: #EFF6FF;
  border-color: #2563EB;
  color: #1E40AF;
  box-shadow: 0 0 12px rgba(37, 99, 235, 0.3);
}

.admin-btn.active .admin-badge-img {
  transform: rotate(20deg);
}

/* Dim inactive switchers */
.switcher-btn.inactive {
  opacity: 0.55;
  filter: grayscale(15%);
}
.switcher-btn.inactive:hover {
  opacity: 1;
  filter: grayscale(0%);
}

/* Header UI */
header {
  background: var(--white);
  border-bottom: 1px solid var(--border-color);
  padding: 16px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 90;
  box-shadow: var(--shadow-sm);
}
.header-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.logo-container {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle, #EFF6FF 0%, #DBEAFE 100%);
  border-radius: 12px;
  border: 1px solid #BFDBFE;
}
.logo-icon {
  color: var(--primary-navy-light);
  width: 28px;
  height: 28px;
}
.school-info h1 {
  font-size: 1.25rem;
  color: var(--primary-navy);
  font-weight: 700;
  line-height: 1.2;
}
.school-info p {
  font-size: 0.85rem;
  color: #64748B;
  display: flex;
  align-items: center;
  gap: 6px;
}

.header-user-info {
  display: flex;
  align-items: center;
  gap: 16px;
}
.current-time-badge {
  background: #F1F5F9;
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 500;
  color: #475569;
  display: flex;
  align-items: center;
  gap: 6px;
}
.user-profile-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #EEF2F6;
  padding: 6px 14px;
  border-radius: 10px;
  border: 1px solid #E2E8F0;
}
.user-avatar {
  width: 32px;
  height: 32px;
  background: var(--primary-navy);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 0.9rem;
}
.user-details {
  text-align: left;
}
.user-name {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary-navy);
}
.user-role {
  font-size: 0.75rem;
  color: #64748B;
  font-weight: 500;
}
.role-tag {
  font-size: 0.65rem;
  padding: 1px 5px;
  border-radius: 4px;
  margin-left: 4px;
  font-weight: bold;
  text-transform: uppercase;
}
.role-tag.director {
  background-color: #DBEAFE;
  color: #1E40AF;
}
.role-tag.teacher {
  background-color: #D1FAE5;
  color: #065F46;
}

/* App Wrapper & Layout */
.app-wrapper {
  display: flex;
  flex: 1;
  position: relative;
}

/* Sidebar Navigation */
.sidebar {
  width: 260px;
  background-color: var(--primary-navy);
  color: var(--white);
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  border-right: 1px solid var(--primary-navy-light);
  flex-shrink: 0;
}
.nav-section-title {
  color: #64748B;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding-left: 12px;
  margin-top: 16px;
  margin-bottom: 8px;
  font-weight: 600;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  color: #94A3B8;
  text-decoration: none;
  border-radius: 8px;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition-smooth);
  border: none;
  background: transparent;
  width: 100%;
  text-align: left;
  font-family: var(--font-thai);
}
.nav-item:hover {
  background-color: var(--primary-navy-light);
  color: var(--white);
}
.nav-item.active {
  background-color: var(--navy-accent);
  color: var(--white);
  font-weight: 500;
}
.nav-item i {
  width: 20px;
  height: 20px;
}

/* Bottom Navigation (Mobile Only) */
.bottom-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--white);
  border-top: 1px solid var(--border-color);
  box-shadow: 0 -4px 12px rgba(0,0,0,0.05);
  z-index: 99;
  justify-content: space-around;
  padding: 8px 4px 24px 4px; /* เผื่อพื้นที่เซฟโซนมือถือ */
}
.bottom-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  background: none;
  border: none;
  color: #64748B;
  font-size: 0.75rem;
  font-family: var(--font-thai);
  cursor: pointer;
  width: 20%;
  transition: var(--transition-smooth);
}
.bottom-nav-item i {
  width: 20px;
  height: 20px;
}
.bottom-nav-item.active {
  color: var(--navy-accent);
  font-weight: 600;
}

/* Main Content Area */
.main-content {
  flex: 1;
  padding: 32px;
  overflow-y: auto;
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
}
.tab-content {
  display: none;
  animation: fadeIn 0.4s ease-out;
}
.tab-content.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Page Header & Actions */
.page-header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 16px;
}
.page-title h2 {
  font-size: 1.75rem;
  color: var(--primary-navy);
  font-weight: 700;
}
.page-title p {
  color: #64748B;
  font-size: 0.95rem;
}
.page-actions-group {
  display: flex;
  gap: 12px;
}

/* Custom Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-smooth);
  font-family: var(--font-thai);
  border: 1px solid transparent;
}
.btn-primary {
  background-color: var(--navy-accent);
  color: var(--white);
}
.btn-primary:hover {
  background-color: #2563EB;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.25);
}
.btn-success {
  background-color: var(--secondary-green);
  color: var(--white);
}
.btn-success:hover {
  background-color: var(--secondary-green-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.25);
}
.btn-outline {
  background-color: var(--white);
  border-color: var(--border-color);
  color: #475569;
}
.btn-outline:hover {
  background-color: #F8FAFC;
  border-color: #CBD5E1;
  color: var(--primary-navy);
}
.btn-danger {
  background-color: var(--color-danger);
  color: var(--white);
}
.btn-danger:hover {
  background-color: #DC2626;
}

/* KPI Summary Cards Grid */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-bottom: 24px;
}
.kpi-card {
  background: var(--white);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 20px;
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  gap: 16px;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}
.kpi-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-premium);
}
.kpi-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--navy-accent);
}
.kpi-card.green::before { background: var(--secondary-green); }
.kpi-card.gold::before { background: #F59E0B; }
.kpi-card.silver::before { background: #94A3B8; }
.kpi-card.bronze::before { background: #B45309; }
.kpi-card.red::before { background: var(--color-danger); }

.kpi-icon-container {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #F1F5F9;
  color: #475569;
}
.kpi-card.green .kpi-icon-container { background: #E6F4EA; color: var(--secondary-green); }
.kpi-card.gold .kpi-icon-container { background: #FEF3C7; color: #D97706; }
.kpi-card.silver .kpi-icon-container { background: #F1F5F9; color: #475569; }
.kpi-card.bronze .kpi-icon-container { background: #FFEDD5; color: #C2410C; }
.kpi-card.red .kpi-icon-container { background: #FEE2E2; color: var(--color-danger); }

.kpi-details {
  flex: 1;
}
.kpi-label {
  font-size: 0.85rem;
  color: #64748B;
  font-weight: 500;
  margin-bottom: 4px;
}
.kpi-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-navy);
  font-family: var(--font-eng);
  line-height: 1.2;
}
.kpi-value.thai-val {
  font-family: var(--font-thai);
  font-size: 1.35rem;
}
.kpi-subtitle {
  font-size: 0.75rem;
  color: #94A3B8;
  margin-top: 4px;
}

/* AI Summary Card Banner */
.ai-summary-banner {
  background: linear-gradient(135deg, #EFF6FF 0%, #ECFDF5 100%);
  border: 1px solid #BFDBFE;
  border-radius: 16px;
  padding: 20px 24px;
  margin-bottom: 24px;
  display: flex;
  gap: 20px;
  align-items: flex-start;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}
.ai-summary-banner::after {
  content: 'AI';
  position: absolute;
  right: -15px;
  bottom: -20px;
  font-size: 6rem;
  font-family: var(--font-eng);
  font-weight: 900;
  color: rgba(59, 130, 246, 0.04);
}
.ai-avatar {
  background: var(--navy-accent);
  color: var(--white);
  padding: 10px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 10px rgba(59, 130, 246, 0.3);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(59, 130, 246, 0.4); }
  70% { box-shadow: 0 0 0 10px rgba(59, 130, 246, 0); }
  100% { box-shadow: 0 0 0 0 rgba(59, 130, 246, 0); }
}
.ai-text-container {
  flex: 1;
}
.ai-text-title {
  font-size: 1rem;
  font-weight: 700;
  color: #1E3A8A;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.ai-text-title span {
  background: #3B82F6;
  color: var(--white);
  font-size: 0.65rem;
  padding: 2px 6px;
  border-radius: 99px;
  font-family: var(--font-eng);
}
.ai-message {
  font-size: 0.95rem;
  color: #1E293B;
  line-height: 1.6;
}

/* Dashboard Charts Grid */
.charts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 24px;
}
@media (max-width: 1024px) {
  .charts-grid {
    grid-template-columns: 1fr;
  }
}
.chart-container-card {
  background: var(--white);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 24px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  min-height: 350px;
}
.chart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}
.chart-title h3 {
  font-size: 1.05rem;
  color: var(--primary-navy);
  font-weight: 700;
}
.chart-title p {
  font-size: 0.8rem;
  color: #64748B;
}
.chart-body {
  position: relative;
  flex: 1;
  width: 100%;
}

/* Classroom Leaderboard Card & Grid */
.leaderboard-section {
  background: var(--white);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
}
.leaderboard-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-top: 16px;
}
.star-room-card {
  background: linear-gradient(135deg, #1E1B4B 0%, #311042 100%);
  color: var(--white);
  border-radius: 16px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}
.star-room-card::after {
  content: '⭐';
  position: absolute;
  right: 10px;
  top: 10px;
  font-size: 3.5rem;
  opacity: 0.15;
}
.star-room-header {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: #C084FC;
  font-weight: 600;
  text-transform: uppercase;
}
.star-room-name {
  font-size: 2.25rem;
  font-weight: 800;
  margin: 12px 0 6px 0;
  font-family: var(--font-eng);
  background: linear-gradient(to right, #F59E0B, #FBBF24);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.star-room-meta {
  font-size: 0.9rem;
  color: #E2E8F0;
}
.star-room-score {
  font-size: 1.1rem;
  font-weight: 600;
  color: #10B981;
  margin-top: 12px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* General Leaderboard Card Layout */
.top-card {
  background: #F8FAFC;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: var(--transition-smooth);
}
.top-card:hover {
  transform: translateY(-2px);
  background: var(--white);
  box-shadow: var(--shadow-md);
}
.top-card-left {
  display: flex;
  align-items: center;
  gap: 14px;
}
.top-badge-rank {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  font-family: var(--font-eng);
}
.top-badge-rank.rank1 { background-color: #FEF3C7; color: #D97706; border: 1px solid #FCD34D; }
.top-badge-rank.rank2 { background-color: #F1F5F9; color: #475569; border: 1px solid #E2E8F0; }
.top-badge-rank.rank3 { background-color: #FFEDD5; color: #C2410C; border: 1px solid #FDBA74; }
.top-badge-rank.rank-other { background-color: #E2E8F0; color: #64748B; }

.top-card-class-info h4 {
  font-size: 1.1rem;
  color: var(--primary-navy);
  font-weight: 700;
}
.top-card-class-info p {
  font-size: 0.75rem;
  color: #94A3B8;
}
.top-card-right {
  text-align: right;
}
.top-card-score {
  font-size: 1.3rem;
  font-weight: 700;
  font-family: var(--font-eng);
}
.top-card-deductions {
  font-size: 0.75rem;
  color: #EF4444;
}

/* Heat Map Section */
.heatmap-section {
  background: var(--white);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
}
.heatmap-legend {
  display: flex;
  gap: 16px;
  margin-bottom: 16px;
  font-size: 0.8rem;
  font-weight: 500;
  flex-wrap: wrap;
}
.legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
}
.legend-color {
  width: 14px;
  height: 14px;
  border-radius: 4px;
}
.legend-color.good { background-color: #E6F4EA; border: 1px solid #137333; }
.legend-color.warning { background-color: #FEF7E0; border: 1px solid #B06000; }
.legend-color.danger { background-color: #FCE8E6; border: 1px solid #C5221F; }
.legend-color.critical { background-color: #FCE8E6; border: 2px dashed #DC2626; }

.heatmap-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
  gap: 12px;
  margin-top: 16px;
}
.heatmap-node {
  padding: 12px 8px;
  border-radius: 10px;
  text-align: center;
  color: var(--white);
  font-family: var(--font-eng);
  font-weight: 700;
  font-size: 0.95rem;
  transition: var(--transition-smooth);
  cursor: pointer;
  position: relative;
}
.heatmap-node .node-label {
  display: block;
  font-family: var(--font-thai);
  font-size: 0.75rem;
  font-weight: 500;
  opacity: 0.9;
  margin-top: 2px;
}
.heatmap-node:hover {
  transform: scale(1.08);
  z-index: 10;
  box-shadow: var(--shadow-md);
}
.node-good { 
  background-color: #E6F4EA; 
  color: #137333; 
  border: 1px solid #A7F3D0; 
}
.node-warning { 
  background-color: #FEF7E0; 
  color: #B06000; 
  border: 1px solid #FDE68A; 
}
.node-danger { 
  background-color: #FCE8E6; 
  color: #C5221F; 
  border: 1px solid #FAD2CF; 
}
.node-critical { 
  background-color: #FCE8E6; 
  color: #C5221F; 
  border: 2px dashed #DC2626; 
  animation: pulseBorder 2s infinite; 
}

@keyframes pulseBorder {
  0% { box-shadow: 0 0 0 0 rgba(220, 38, 38, 0.4); }
  70% { box-shadow: 0 0 0 6px rgba(220, 38, 38, 0); }
  100% { box-shadow: 0 0 0 0 rgba(220, 38, 38, 0); }
}

/* Responsive Table Layout */
.table-section {
  background: var(--white);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 24px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 24px;
}
.table-filter-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
  flex-wrap: wrap;
  gap: 12px;
}
.search-input-wrapper {
  position: relative;
  max-width: 320px;
  width: 100%;
}
.search-input-wrapper i {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: #94A3B8;
  width: 16px;
  height: 16px;
}
.search-input {
  width: 100%;
  padding: 10px 12px 10px 38px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  font-family: var(--font-thai);
  font-size: 0.9rem;
  outline: none;
  transition: var(--transition-smooth);
}
.search-input:focus {
  border-color: var(--navy-accent);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}
.filter-dropdowns {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.filter-select {
  padding: 10px 14px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  background: var(--white);
  font-family: var(--font-thai);
  font-size: 0.85rem;
  color: #475569;
  outline: none;
  cursor: pointer;
}

.table-responsive {
  overflow-x: auto;
  width: 100%;
}
.custom-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}
.custom-table th {
  background-color: #F1F5F9;
  color: #475569;
  font-weight: 600;
  padding: 14px 16px;
  border-bottom: 2px solid var(--border-color);
}
.custom-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-color);
  vertical-align: middle;
}
.custom-table tbody tr:hover {
  background-color: #F8FAFC;
}

/* Score Badges */
.score-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 6px;
  font-weight: 700;
  font-family: var(--font-eng);
  font-size: 0.9rem;
}
.score-badge.good { background-color: #D1FAE5; color: #065F46; }
.score-badge.warning { background-color: #FEF3C7; color: #92400E; }
.score-badge.danger { background-color: #FEE2E2; color: #991B1B; }
.score-badge.critical { background-color: #FEE2E2; color: #DC2626; border: 1px dashed var(--color-critical); }

.deduct-tag {
  color: var(--color-danger);
  font-weight: 600;
  font-family: var(--font-eng);
}

.action-icon-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  color: #94A3B8;
  border-radius: 4px;
  transition: var(--transition-smooth);
}
.action-icon-btn:hover {
  background: #F1F5F9;
}
.action-icon-btn.edit:hover { color: var(--navy-accent); }
.action-icon-btn.delete:hover { color: var(--color-danger); }

/* Quick Demerit Trigger Button (Teacher View Dashboard) */
.teacher-kpis-wrapper {
  margin-bottom: 24px;
}
.big-action-panel {
  background: linear-gradient(135deg, var(--primary-navy) 0%, var(--primary-navy-light) 100%);
  border-radius: 16px;
  padding: 32px;
  color: var(--white);
  text-align: center;
  margin-bottom: 24px;
  box-shadow: var(--shadow-premium);
  position: relative;
  overflow: hidden;
}
.big-action-panel::after {
  content: '📝';
  position: absolute;
  right: -20px;
  bottom: -20px;
  font-size: 8rem;
  opacity: 0.08;
}
.big-action-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.big-action-desc {
  font-size: 0.95rem;
  color: #94A3B8;
  margin-bottom: 24px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}
.btn-demerit-huge {
  background-color: var(--secondary-green);
  color: var(--white);
  padding: 16px 36px;
  border-radius: 50px;
  font-size: 1.2rem;
  font-weight: 700;
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
  border: none;
  font-family: var(--font-thai);
  cursor: pointer;
  transition: var(--transition-smooth);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.btn-demerit-huge:hover {
  background-color: var(--secondary-green-hover);
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(16, 185, 129, 0.5);
}

/* Modals Overlay & Body */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 16px;
}
.modal-overlay.active {
  display: flex;
  animation: fadeInModal 0.25s ease-out;
}
@keyframes fadeInModal {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal-card {
  background: var(--white);
  border-radius: 16px;
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-premium);
  animation: scaleUpModal 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  overflow: hidden;
}
@keyframes scaleUpModal {
  from { transform: scale(0.9) translateY(20px); opacity: 0; }
  to { transform: scale(1) translateY(0); opacity: 1; }
}

.modal-header {
  background-color: var(--primary-navy);
  color: var(--white);
  padding: 18px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.modal-header h3 {
  font-size: 1.2rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}
.btn-close-modal {
  background: transparent;
  border: none;
  color: #94A3B8;
  cursor: pointer;
  font-size: 1.5rem;
  line-height: 1;
  transition: var(--transition-smooth);
}
.btn-close-modal:hover {
  color: var(--white);
}

.modal-body {
  padding: 24px;
  overflow-y: auto;
  flex: 1;
}

/* Modal Form Fields */
.form-group {
  margin-bottom: 16px;
}
.form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--primary-navy);
  margin-bottom: 6px;
}
.form-select, .form-textarea, .form-input-number {
  width: 100%;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  font-family: var(--font-thai);
  font-size: 0.9rem;
  outline: none;
  transition: var(--transition-smooth);
}
.form-select:focus, .form-textarea:focus, .form-input-number:focus {
  border-color: var(--navy-accent);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

/* Violation Radios Grid */
.violation-preset-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  margin-bottom: 12px;
  max-height: 220px;
  overflow-y: auto;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 8px;
  background: #F8FAFC;
}
.violation-radio-item {
  display: flex;
  align-items: center;
  padding: 10px 12px;
  background: var(--white);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  cursor: pointer;
  transition: var(--transition-smooth);
}
.violation-radio-item:hover {
  background-color: #F1F5F9;
  border-color: #CBD5E1;
}
.violation-radio-item.active {
  background-color: #EFF6FF;
  border-color: var(--navy-accent);
}
.violation-radio-item input[type="radio"] {
  margin-right: 12px;
  accent-color: var(--navy-accent);
}
.violation-radio-label {
  font-size: 0.9rem;
  display: flex;
  justify-content: space-between;
  width: 100%;
}
.violation-radio-score {
  font-weight: 700;
  color: var(--color-danger);
  font-family: var(--font-eng);
}

.custom-score-field {
  display: none;
  margin-top: 10px;
  background: #EFF6FF;
  padding: 12px;
  border-radius: 8px;
  border: 1px solid #BFDBFE;
}
.custom-score-fields-row {
  display: flex;
  gap: 12px;
}

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  background: #F8FAFC;
}

/* Floating Banner Notifications */
.notification-toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background-color: var(--primary-navy);
  color: var(--white);
  padding: 16px 24px;
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 300;
  transform: translateY(100px);
  opacity: 0;
  transition: var(--transition-smooth);
}
.notification-toast.show {
  transform: translateY(0);
  opacity: 1;
}
.notification-toast.success {
  border-left: 5px solid var(--secondary-green);
}
.notification-toast.error {
  border-left: 5px solid var(--color-danger);
}

/* Critical Warning Board Banner (Shown to Director when Score < 60) */
.critical-alerts-board {
  background-color: #FEF2F2;
  border: 1px solid #FCA5A5;
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.critical-alert-title {
  color: #991B1B;
  font-weight: 700;
  font-size: 1rem;
  display: flex;
  align-items: center;
  gap: 8px;
}
.critical-alert-item {
  background-color: var(--white);
  border-left: 4px solid var(--color-critical);
  padding: 10px 14px;
  border-radius: 4px;
  font-size: 0.9rem;
  color: #7F1D1D;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: var(--shadow-sm);
  animation: pulseCritical 2s infinite;
}
@keyframes pulseCritical {
  0% { border-color: var(--color-critical); }
  50% { border-color: #F87171; }
  100% { border-color: var(--color-critical); }
}

/* Level tabs in Modal */
.level-tabs {
  display: flex;
  gap: 6px;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 8px;
  overflow-x: auto;
}
.btn-level-tab {
  padding: 6px 12px;
  border-radius: 6px;
  border: 1px solid var(--border-color);
  background: var(--white);
  font-family: var(--font-thai);
  font-size: 0.8rem;
  cursor: pointer;
  white-space: nowrap;
}
.btn-level-tab.active {
  background: var(--navy-accent);
  color: var(--white);
  border-color: var(--navy-accent);
}

/* Class Selection Grid */
.class-select-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  max-height: 150px;
  overflow-y: auto;
  padding: 4px;
  margin-bottom: 16px;
}
@media (max-width: 480px) {
  .class-select-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
.class-grid-item {
  padding: 10px 6px;
  text-align: center;
  border: 1px solid var(--border-color);
  background: var(--white);
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 600;
  font-family: var(--font-eng);
  transition: var(--transition-smooth);
}
.class-grid-item:hover {
  background: #F1F5F9;
}
.class-grid-item.active {
  background: var(--primary-navy);
  color: var(--white);
  border-color: var(--primary-navy);
}

/* CSS Print Stylesheet */
@media print {
  body {
    background-color: var(--white);
    color: #000;
    font-size: 11pt;
  }
  .demo-switcher-bar, 
  header, 
  .sidebar, 
  .bottom-nav, 
  .page-actions-group, 
  .table-filter-bar, 
  .btn-demerit-huge,
  .action-icon-btn,
  .demo-user-buttons,
  .big-action-panel,
  .ai-summary-banner {
    display: none !important;
  }
  .app-wrapper {
    display: block;
  }
  .main-content {
    padding: 0;
    margin: 0;
    width: 100%;
    max-width: 100%;
  }
  .tab-content {
    display: block !important;
  }
  .kpi-grid {
    grid-template-columns: repeat(4, 1fr) !important;
    gap: 10px;
    margin-bottom: 20px;
  }
  .kpi-card {
    border: 1px solid #000 !important;
    box-shadow: none !important;
    padding: 10px !important;
  }
  .charts-grid {
    grid-template-columns: 1fr 1fr !important;
    gap: 10px;
  }
  .chart-container-card {
    border: 1px solid #000 !important;
    box-shadow: none !important;
    min-height: 250px;
  }
  .heatmap-section, .leaderboard-section, .table-section {
    border: 1px solid #000 !important;
    box-shadow: none !important;
    page-break-inside: avoid;
    margin-top: 15px;
  }
  .custom-table {
    font-size: 9pt;
  }
  .custom-table th {
    background-color: #E2E8F0 !important;
    color: #000 !important;
    border-bottom: 1px solid #000 !important;
  }
  .custom-table td {
    border-bottom: 1px solid #000 !important;
  }
  
  /* เพิ่มส่วนหัวของรายงานการพิมพ์ */
  .print-only-header {
    display: block !important;
    text-align: center;
    margin-bottom: 20px;
  }
  .print-only-header h2 {
    font-size: 18pt;
    margin-bottom: 5px;
  }
  
  /* เพิ่มแท่นลายเซ็น */
  .print-only-signatures {
    display: flex !important;
    justify-content: space-between;
    margin-top: 50px;
    page-break-inside: avoid;
  }
  .signature-line {
    text-align: center;
    width: 45%;
  }
  .signature-line p {
    margin-top: 40px;
  }
}

.print-only-header {
  display: none;
}
.print-only-signatures {
  display: none;
}

/* Responsiveness adjustments for mobiles */
@media (max-width: 768px) {
  header {
    padding: 12px 16px;
    flex-direction: column;
    gap: 12px;
    align-items: center;
  }
  .header-role-switcher {
    flex-wrap: wrap;
    justify-content: center;
    border-radius: 20px;
    padding: 8px;
    gap: 8px;
    width: 100%;
  }
  .day-switcher-group {
    border-left: none;
    padding-left: 0;
    gap: 4px;
  }
  .day-switcher-label {
    display: none;
  }
  .director-btn .btn-text,
  .admin-btn .btn-text {
    display: none;
  }
  .director-btn,
  .admin-btn {
    padding: 3px;
    border-radius: 50%;
  }
  .school-info h1 {
    font-size: 1.05rem;
  }
  .current-time-badge {
    display: none;
  }
  .sidebar {
    display: none !important;
  }
  .bottom-nav {
    display: flex;
  }
  .main-content {
    padding: 16px 16px 100px 16px; /* ดึงแพดดิ้งด้านล่างไม่ให้โดน Bottom Nav บัง */
  }
  .page-header-row {
    margin-bottom: 16px;
  }
  .page-title h2 {
    font-size: 1.4rem;
  }
  .kpi-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  .kpi-card {
    padding: 14px 10px;
  }
  .kpi-icon-container {
    width: 36px;
    height: 36px;
    border-radius: 8px;
  }
  .kpi-icon-container svg {
    width: 20px;
    height: 20px;
  }
  .kpi-value {
    font-size: 1.2rem;
  }
  .kpi-value.thai-val {
    font-size: 1.05rem;
  }
  .heatmap-grid {
    grid-template-columns: repeat(auto-fill, minmax(70px, 1fr));
    gap: 8px;
  }
  .heatmap-node {
    padding: 8px 4px;
    font-size: 0.8rem;
  }
  .heatmap-node .node-label {
    font-size: 0.65rem;
  }
}

/* Admin G Role Tag & User Cards Styling */
.role-tag.admin {
  background-color: #F3E8FF;
  color: #7C3AED;
}

.teacher-card {
  background: var(--white);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 20px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition-smooth);
}

.teacher-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-premium);
}

.teacher-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.teacher-card-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #F1F5F9;
  color: var(--primary-navy);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  border: 2px solid var(--border-color);
}

.teacher-card-details h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary-navy);
}

.teacher-card-details p {
  font-size: 0.75rem;
  color: #64748B;
}

.teacher-card-body {
  border-top: 1px dashed var(--border-color);
  padding-top: 14px;
  margin-bottom: 16px;
  font-size: 0.85rem;
}

.teacher-card-info-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 6px;
}

.teacher-card-info-row span:first-child {
  color: #64748B;
}

.teacher-card-info-row span:last-child {
  font-weight: 600;
  color: var(--primary-navy);
}

.teacher-card-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  border-top: 1px solid #F1F5F9;
  padding-top: 12px;
}

/* PWA Floating Install Banner */
.pwa-install-banner {
  position: fixed;
  bottom: 90px; /* Space above bottom nav on mobile */
  left: 20px;
  right: 20px;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
  border-radius: 16px;
  padding: 12px 16px;
  display: none; /* Hidden by default, shown via JS */
  justify-content: space-between;
  align-items: center;
  z-index: 250;
  animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
  from { transform: translateY(100px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.pwa-banner-content {
  display: flex;
  align-items: center;
  gap: 12px;
}

.pwa-banner-logo {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  object-fit: contain;
  border: 1px solid var(--border-color);
}

.pwa-banner-text h4 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--primary-navy);
  margin-bottom: 2px;
}

.pwa-banner-text p {
  font-size: 0.72rem;
  color: #64748B;
  line-height: 1.2;
}

.pwa-banner-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn-close-banner {
  background: transparent;
  border: none;
  font-size: 1.5rem;
  color: #94A3B8;
  cursor: pointer;
  padding: 0 4px;
  line-height: 1;
}

/* On desktop, make it smaller and place it bottom right */
@media (min-width: 769px) {
  .pwa-install-banner {
    width: 360px;
    left: auto;
    right: 24px;
    bottom: 24px;
  }
}