/* ==========================================================================
   Lao Student Data Collection System - Modern Responsive Theme Stylesheet
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+Lao+Looped:wght@400;500;600;700&family=Noto+Sans+Lao:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700&display=swap');

:root {
  /* Font Family - Premium Lao & Modern Display */
  --font-family-base: 'Noto Sans Lao', 'Noto Sans Lao Looped', 'Phetsarath OT', 'Saysettha OT', 'Outfit', system-ui, -apple-system, sans-serif;
  --font-family-heading: 'Noto Sans Lao', 'Noto Sans Lao Looped', 'Phetsarath OT', 'Outfit', sans-serif;
  --font-family-number: 'Outfit', 'Noto Sans Lao', sans-serif;

  /* Color Palette - Vibrant Modern Dark Theme */
  --bg-primary: #0b0f19;
  --bg-secondary: #131b2e;
  --bg-card: rgba(19, 27, 46, 0.78);
  --bg-input: #0b0f19;
  --border-color: rgba(255, 255, 255, 0.1);
  --border-focus: #6366f1;
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-inverse: #0f172a;

  --accent-primary: #6366f1;
  --accent-primary-hover: #4f46e5;
  --accent-success: #10b981;
  --accent-warning: #f59e0b;
  --accent-danger: #ef4444;
  --accent-info: #06b6d4;
  --accent-pink: #ec4899;
  --accent-purple: #a855f7;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.5), 0 8px 10px -6px rgba(0, 0, 0, 0.3);
  --glass-backdrop: blur(14px);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-full: 9999px;

  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light Theme Variables */
[data-theme="light"] {
  --bg-primary: #f1f5f9;
  --bg-secondary: #ffffff;
  --bg-card: rgba(255, 255, 255, 0.92);
  --bg-input: #f8fafc;
  --border-color: #e2e8f0;
  --border-focus: #4f46e5;

  --text-main: #0f172a;
  --text-muted: #64748b;
  --text-inverse: #ffffff;

  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 12px 30px rgba(0, 0, 0, 0.08);
}

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

body {
  font-family: var(--font-family-base);
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
  transition: var(--transition);
  background-image: 
    radial-gradient(at 0% 0%, rgba(99, 102, 241, 0.12) 0px, transparent 50%),
    radial-gradient(at 100% 100%, rgba(236, 72, 153, 0.08) 0px, transparent 50%),
    radial-gradient(at 50% 50%, rgba(6, 182, 212, 0.05) 0px, transparent 50%);
  background-attachment: fixed;
}

button, input, select, textarea, optgroup, option {
  font-family: inherit;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6, .brand-title, .section-title {
  font-family: var(--font-family-heading);
  letter-spacing: -0.01em;
}

.container {
  width: 96%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 16px 0 32px;
}

/* Header Component - Fully Responsive */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  background: var(--bg-card);
  backdrop-filter: var(--glass-backdrop);
  -webkit-backdrop-filter: var(--glass-backdrop);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  margin-bottom: 20px;
  box-shadow: var(--shadow-md);
  flex-wrap: wrap;
  gap: 14px;
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-pink));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: #fff;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.4);
  flex-shrink: 0;
}

.brand-title {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand-subtitle {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.header-controls {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

/* Dashboard KPI Stat Cards Grid - Responsive Breakpoints */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 14px;
  margin-bottom: 20px;
}

@media (max-width: 1200px) {
  .dashboard-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .dashboard-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .dashboard-grid {
    grid-template-columns: 1fr;
  }
}

.stat-card {
  background: var(--bg-card);
  backdrop-filter: var(--glass-backdrop);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--accent-primary);
  border-radius: 4px 0 0 4px;
}

.stat-card.stat-female::before { background: var(--accent-pink); }
.stat-card.stat-dropout::before { background: var(--accent-danger); }
.stat-card.stat-schools::before { background: var(--accent-info); }
.stat-card.stat-transfer-in::before { background: var(--accent-success); }
.stat-card.stat-transfer-out::before { background: var(--accent-warning); }
.stat-card.stat-repeater::before { background: var(--accent-purple); }
.stat-card.stat-suspended::before { background: #a855f7; }

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: rgba(255, 255, 255, 0.2);
}

.stat-icon-bg {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  background: rgba(99, 102, 241, 0.15);
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  flex-shrink: 0;
}

.stat-female .stat-icon-bg { background: rgba(236, 72, 153, 0.15); color: var(--accent-pink); }
.stat-dropout .stat-icon-bg { background: rgba(239, 68, 68, 0.15); color: var(--accent-danger); }
.stat-schools .stat-icon-bg { background: rgba(6, 182, 212, 0.15); color: var(--accent-info); }
.stat-transfer-in .stat-icon-bg { background: rgba(16, 185, 129, 0.15); color: var(--accent-success); }
.stat-transfer-out .stat-icon-bg { background: rgba(245, 158, 11, 0.15); color: var(--accent-warning); }
.stat-repeater .stat-icon-bg { background: rgba(168, 85, 247, 0.15); color: var(--accent-purple); }
.stat-suspended .stat-icon-bg { background: rgba(168, 85, 247, 0.15); color: #a855f7; }

.stat-details {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.stat-value {
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.2;
  font-family: 'Outfit', 'Noto Sans Lao', sans-serif;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.stat-subtext {
  font-size: 0.76rem;
  color: var(--accent-pink);
  font-weight: 600;
  margin-top: 2px;
}

/* Card Section */
.card-section {
  background: var(--bg-card);
  backdrop-filter: var(--glass-backdrop);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-md);
  margin-bottom: 20px;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-color);
  flex-wrap: wrap;
  gap: 10px;
}

.section-title {
  font-size: 1.1rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}

.section-title i {
  color: var(--accent-primary);
}

/* Form Styles - Grid Layout & Touch Friendly Controls */
.form-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 14px;
}

.form-group-title {
  grid-column: span 12;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--accent-info);
  padding-top: 6px;
  border-bottom: 1px dashed var(--border-color);
  padding-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.col-3 { grid-column: span 3; }
.col-4 { grid-column: span 4; }
.col-6 { grid-column: span 6; }
.col-12 { grid-column: span 12; }

@media (max-width: 900px) {
  .col-3, .col-4 { grid-column: span 6; }
}

@media (max-width: 600px) {
  .col-3, .col-4, .col-6, .col-12 { grid-column: span 12; }
}

.form-label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-main);
}

.req {
  color: var(--accent-danger);
  font-weight: bold;
}

.input-control, .select-control {
  width: 100%;
  padding: 10px 12px;
  min-height: 42px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-family: inherit;
  font-size: 0.9rem;
  transition: var(--transition);
}

.input-control:focus, .select-control:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.25);
}

.input-group-dual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

@media (max-width: 380px) {
  .input-group-dual {
    grid-template-columns: 1fr;
  }
}

.auto-calc-box {
  grid-column: span 12;
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: var(--radius-md);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 6px;
}

.auto-calc-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  color: var(--accent-success);
  flex-wrap: wrap;
  gap: 8px;
}

.calc-formula {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 16px;
  min-height: 42px;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-primary-hover));
  color: #fff;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-main);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
}

.btn-success {
  background: linear-gradient(135deg, var(--accent-success), #059669);
  color: #fff;
}

.btn-sm {
  padding: 6px 12px;
  min-height: 34px;
  font-size: 0.8rem;
}

.btn-lg {
  padding: 12px 22px;
  font-size: 0.98rem;
}

.btn-icon-only {
  width: 42px;
  height: 42px;
  padding: 0;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.08);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  flex-shrink: 0;
}

.form-actions {
  grid-column: span 12;
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--border-color);
  flex-wrap: wrap;
}

@media (max-width: 480px) {
  .form-actions .btn {
    width: 100%;
  }
}

/* Charts Grid - Responsive Layout */
.charts-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

@media (max-width: 900px) {
  .charts-grid {
    grid-template-columns: 1fr;
  }

  .chart-card[style*="grid-column: span 2"] {
    grid-column: span 1 !important;
  }
}

.chart-card {
  background: rgba(0, 0, 0, 0.15);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px;
  overflow: hidden;
}

.chart-title {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Table Toolbar & Search Engine */
.toolbar-container {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 14px;
}

.search-box {
  position: relative;
  width: 100%;
}

.search-box i {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}

.search-box input {
  padding-left: 42px;
  font-size: 0.9rem;
}

.filter-group-advanced {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.filter-item {
  flex: 1;
  min-width: 130px;
  font-size: 0.83rem;
}

@media (max-width: 600px) {
  .filter-item {
    min-width: 48%;
  }
}

/* Touch-Friendly Data Table */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.85rem;
}

.data-table th {
  background: rgba(0, 0, 0, 0.25);
  padding: 10px 12px;
  font-weight: 600;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
}

.data-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
}

.data-table tr:hover {
  background: rgba(255, 255, 255, 0.03);
}

.chip {
  display: inline-block;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-size: 0.74rem;
  font-weight: 500;
}

.chip-primary { background: rgba(99, 102, 241, 0.2); color: #818cf8; }
.chip-success { background: rgba(16, 185, 129, 0.2); color: #34d399; }
.chip-warning { background: rgba(245, 158, 11, 0.2); color: #fbbf24; }

.female-highlight {
  color: var(--accent-pink);
  font-weight: 600;
}

.table-actions {
  display: flex;
  gap: 4px;
}

/* Modal Overlay & Dialog - Mobile Responsive */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  padding: 14px;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px;
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 10px;
}

.close-btn {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-muted);
  cursor: pointer;
}

/* Toast Container - Mobile Position */
.toast-container {
  position: fixed;
  bottom: 16px;
  right: 16px;
  left: 16px;
  max-width: 400px;
  margin-left: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 1000;
  pointer-events: none;
}

.toast {
  padding: 10px 16px;
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  pointer-events: auto;
  animation: slideIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.toast-success { border-color: var(--accent-success); color: var(--accent-success); }
.toast-error { border-color: var(--accent-danger); color: var(--accent-danger); }
.toast-info { border-color: var(--accent-info); color: var(--accent-info); }

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

.badge-tag {
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  background: rgba(99, 102, 241, 0.15);
  color: var(--accent-primary);
  border: 1px solid rgba(99, 102, 241, 0.3);
}

/* Dropzone Styles */
.file-dropzone {
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px 14px;
  text-align: center;
  background: rgba(0, 0, 0, 0.1);
  cursor: pointer;
  transition: var(--transition);
}

.file-dropzone:hover, .file-dropzone.dragover {
  border-color: var(--accent-primary);
  background: rgba(99, 102, 241, 0.08);
}

/* School Submission Breakdown - Responsive */
@media (max-width: 768px) {
  .school-breakdown-grid {
    grid-template-columns: 1fr !important;
  }
}

/* Charts Section Layout & Dynamic Canvas Heights */
.charts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 16px;
}

@media (max-width: 900px) {
  .charts-grid {
    grid-template-columns: 1fr !important;
  }
  .chart-card[style*="grid-column: span 2"] {
    grid-column: span 1 !important;
  }
}

.chart-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 18px;
  display: flex;
  flex-direction: column;
  position: relative;
  min-height: 260px;
}

.chart-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.chart-card canvas {
  width: 100% !important;
  height: 220px !important;
  max-height: 280px;
  display: block;
}



/* ===================================================
   PRINT REPORT STYLES (@media print)
   =================================================== */
@media print {
  body {
    background: #fff !important;
    color: #000 !important;
    font-size: 11pt !important;
  }
  .header-controls, #themeToggleBtn, #syncGasBtn, #exportExcelBtn, #printReportBtn,
  .search-box, .filter-group-advanced, #resetFiltersBtn, .btn, .top-bar-left,
  .dashboard-month-selector-bar, .modal-overlay, #toastContainer {
    display: none !important;
  }
  .print-official-header, .print-official-footer {
    display: block !important;
  }
  .card-section, .stat-card, .chart-card {
    background: #fff !important;
    border: 1px solid #ddd !important;
    box-shadow: none !important;
    color: #000 !important;
    page-break-inside: avoid;
    backdrop-filter: none !important;
  }
  .stat-value, .stat-label, .stat-subtext, h1, h2, h3, h4, th, td, p, span {
    color: #000 !important;
  }
  .data-table {
    width: 100% !important;
    border-collapse: collapse !important;
  }
  .data-table th, .data-table td {
    border: 1px solid #999 !important;
    padding: 6px 8px !important;
    font-size: 9pt !important;
    color: #000 !important;
  }
  .data-table th {
    background-color: #f0f0f0 !important;
    font-weight: bold !important;
  }
}