/* ============================================================
   SCHOOL MANAGEMENT SYSTEM — MODERN STYLE SHEET
   Version 2.0 · 2026
   Compatible with all existing HTML files
   ============================================================ */

/* ============================================================
   CSS VARIABLES
   ============================================================ */
:root {
  /* Primary Palette */
  --primary: #7c3aed;
  --primary-dark: #6d28d9;
  --primary-darker: #5b21b6;
  --primary-light: #ede9fe;
  --primary-lighter: #f5f3ff;

  /* Semantic Colors */
  --success: #10b981;
  --success-dark: #059669;
  --success-light: #d1fae5;
  --danger: #ef4444;
  --danger-dark: #dc2626;
  --danger-light: #fee2e2;
  --warning: #f59e0b;
  --warning-dark: #d97706;
  --warning-light: #fef3c7;
  --info: #3b82f6;
  --info-light: #dbeafe;

  /* Neutrals */
  --dark: #0f172a;
  --dark-2: #1e1b4b;
  --gray-900: #1f2937;
  --gray-800: #374151;
  --gray-700: #4b5563;
  --gray-600: #6b7280;
  --gray-500: #9ca3af;
  --gray-400: #d1d5db;
  --gray-300: #e5e7eb;
  --gray-200: #f3f4f6;
  --gray-100: #f9fafb;
  --bg: #f0f2f5;

  /* Shadows — layered for depth */
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow: 0 1px 3px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 4px 6px rgba(15, 23, 42, 0.04), 0 2px 4px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 10px 15px rgba(15, 23, 42, 0.06), 0 4px 6px rgba(15, 23, 42, 0.05);
  --shadow-xl: 0 20px 25px rgba(15, 23, 42, 0.08), 0 10px 10px rgba(15, 23, 42, 0.04);
  --shadow-primary: 0 6px 16px rgba(124, 58, 237, 0.25);
  --shadow-success: 0 6px 16px rgba(16, 185, 129, 0.25);
  --shadow-danger: 0 6px 16px rgba(239, 68, 68, 0.25);

  /* Radii */
  --radius-sm: 6px;
  --radius: 10px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;

  /* Transitions */
  --trans: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --trans-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================================
   BASE / RESET
   ============================================================ */
* { box-sizing: border-box; margin: 0; padding: 0; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', 'Segoe UI', 'Noto Sans Bengali', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--gray-900);
  min-height: 100vh;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: 'cv02', 'cv03', 'cv04', 'cv11';
}

::selection { background: var(--primary-light); color: var(--primary-darker); }

/* Scrollbar */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: var(--gray-400);
  border-radius: 5px;
  border: 2px solid transparent;
  background-clip: padding-box;
}
::-webkit-scrollbar-thumb:hover { background: var(--gray-500); background-clip: padding-box; }

/* ============================================================
   LOGIN PAGE
   ============================================================ */
.login-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 20px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #5b21b6 100%);
  position: relative;
  overflow: hidden;
}

.login-wrap::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255,255,255,0.15) 0%, transparent 65%);
  border-radius: 50%;
  pointer-events: none;
}

.login-wrap::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 65%);
  border-radius: 50%;
  pointer-events: none;
}

.login-card {
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
  padding: 44px 36px;
  border-radius: var(--radius-xl);
  box-shadow:
    0 30px 60px rgba(0, 0, 0, 0.25),
    0 10px 20px rgba(0, 0, 0, 0.15),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
  width: 100%;
  max-width: 420px;
  position: relative;
  z-index: 1;
  animation: cardIn 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes cardIn {
  from {
    opacity: 0;
    transform: translateY(30px) scale(0.96);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.login-card h1 {
  text-align: center;
  margin-bottom: 10px;
  color: var(--primary-darker);
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.login-card p.sub {
  text-align: center;
  color: var(--gray-600);
  margin-bottom: 30px;
  font-size: 14px;
  font-weight: 500;
}

.login-card label {
  display: block;
  font-size: 13px;
  color: var(--gray-800);
  margin-bottom: 7px;
  font-weight: 700;
  letter-spacing: 0.2px;
}

.login-card input {
  width: 100%;
  padding: 13px 16px;
  margin-bottom: 18px;
  border: 2px solid var(--gray-300);
  border-radius: var(--radius);
  font-size: 15px;
  font-family: inherit;
  font-weight: 500;
  background: var(--gray-100);
  transition: all var(--trans);
}

.login-card input:focus {
  outline: none;
  border-color: var(--primary);
  background: white;
  box-shadow: 0 0 0 4px rgba(124, 58, 237, 0.12);
}

.login-card button {
  width: 100%;
  padding: 14px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
  border: none;
  border-radius: var(--radius);
  font-size: 16px;
  font-weight: 800;
  cursor: pointer;
  font-family: inherit;
  letter-spacing: 0.3px;
  box-shadow: var(--shadow-primary);
  transition: all var(--trans);
}

.login-card button:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 12px 25px rgba(124, 58, 237, 0.4);
}

.login-card button:active:not(:disabled) {
  transform: translateY(0);
}

.login-card button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

#msg {
  text-align: center;
  margin-top: 14px;
  font-size: 14px;
  font-weight: 600;
  min-height: 20px;
}

/* ============================================================
   HEADER (top)
   ============================================================ */
header.top {
  background: linear-gradient(135deg, #1e1b4b 0%, #312e81 50%, #4c1d95 100%);
  color: white;
  padding: 14px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.15);
  gap: 12px;
  min-height: 58px;
}

header.top h1 {
  font-size: 18px;
  font-weight: 800;
  flex: 1;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  letter-spacing: -0.3px;
  display: flex;
  align-items: center;
  gap: 10px;
}

header.top .user {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13.5px;
  flex-shrink: 0;
}

header.top .user span {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 200px;
  font-weight: 600;
}

header.top .user button {
  background: rgba(239, 68, 68, 0.95);
  color: white;
  border: none;
  padding: 9px 16px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-weight: 700;
  font-size: 13px;
  white-space: nowrap;
  font-family: inherit;
  transition: all var(--trans-fast);
}

header.top .user button:hover {
  background: var(--danger-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-danger);
}

header.top .user button:active { transform: translateY(0); }

/* Hamburger */
.hamburger-btn {
  display: none;
  background: rgba(255, 255, 255, 0.1);
  border: none;
  cursor: pointer;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  flex-direction: column;
  gap: 4px;
  flex-shrink: 0;
  transition: background var(--trans-fast);
}

.hamburger-btn:hover { background: rgba(255, 255, 255, 0.2); }

.hamburger-btn span {
  display: block;
  width: 22px;
  height: 2.5px;
  background: white;
  border-radius: 2px;
  transition: all 0.2s;
}

/* ============================================================
   SIDEBAR
   ============================================================ */
aside.sidebar {
  position: fixed;
  top: 58px;
  left: 0;
  bottom: 0;
  width: 240px;
  background: white;
  overflow-y: auto;
  overflow-x: hidden;
  border-right: 1px solid var(--gray-300);
  padding: 12px 10px;
  z-index: 90;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

aside.sidebar::-webkit-scrollbar { width: 6px; }
aside.sidebar::-webkit-scrollbar-thumb {
  background: var(--gray-400);
  border-radius: 3px;
}

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.5);
  backdrop-filter: blur(3px);
  z-index: 89;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}

.sidebar-overlay.show {
  opacity: 1;
  pointer-events: auto;
  display: block;
}

/* Menu Items */
.menu-item,
.folder-header {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 10px 14px;
  margin: 2px 0;
  color: var(--gray-800);
  text-decoration: none;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  transition: all var(--trans-fast);
  font-family: inherit;
  border: none;
  background: transparent;
  width: 100%;
  text-align: left;
  cursor: pointer;
  position: relative;
}

.menu-item:hover,
.folder-header:hover {
  background: var(--primary-lighter);
  color: var(--primary);
}

.menu-item.active {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
  font-weight: 800;
  box-shadow: 0 6px 14px rgba(124, 58, 237, 0.3);
}

.menu-item.active .mi-icon { filter: brightness(1.5); }

.mi-icon {
  font-size: 17px;
  width: 22px;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  flex-shrink: 0;
}

.mi-label {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.menu-folder { margin: 3px 0; }
.folder-header .mi-label { color: inherit; }

.folder-arrow {
  font-size: 12px;
  color: var(--gray-500);
  transition: transform 0.25s ease;
  transform: rotate(-90deg);
  margin-left: 4px;
}

.menu-folder.open .folder-arrow { transform: rotate(0); }

.menu-folder.open .folder-header {
  background: var(--primary-lighter);
  color: var(--primary-darker);
  font-weight: 800;
}

.folder-items {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
  padding-left: 8px;
  border-left: 2px solid transparent;
  margin-left: 14px;
}

.menu-folder.open .folder-items {
  max-height: 900px;
  border-left-color: #c4b5fd;
  padding-top: 4px;
  padding-bottom: 4px;
}

.submenu-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  margin: 1px 0;
  color: var(--gray-700);
  text-decoration: none;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  transition: all var(--trans-fast);
}

.submenu-item:hover {
  background: var(--primary-light);
  color: var(--primary-dark);
  transform: translateX(3px);
}

.submenu-item.active {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
  font-weight: 800;
  box-shadow: 0 4px 10px rgba(124, 58, 237, 0.3);
}

.submenu-item .mi-icon {
  font-size: 14px;
  width: 18px;
}

/* ============================================================
   CONTENT
   ============================================================ */
main.content {
  margin-left: 240px;
  padding: 24px;
  min-height: calc(100vh - 58px);
  transition: margin 0.3s;
}

main.content h2 {
  margin-bottom: 20px;
  color: var(--dark-2);
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.4px;
}

/* ============================================================
   STATS CARDS
   ============================================================ */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: white;
  padding: 20px 20px 20px 22px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  border: 1px solid var(--gray-300);
  position: relative;
  overflow: hidden;
  transition: all var(--trans);
  cursor: default;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--primary) 0%, var(--primary-dark) 100%);
  border-radius: 4px 0 0 4px;
}

.stat-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-light);
}

.stat-card h3 {
  font-size: 11.5px;
  color: var(--gray-600);
  text-transform: uppercase;
  margin-bottom: 8px;
  letter-spacing: 0.6px;
  font-weight: 800;
}

.stat-card p {
  font-size: 28px;
  font-weight: 900;
  color: var(--dark-2);
  letter-spacing: -1px;
  line-height: 1;
  font-family: 'Inter', sans-serif;
}

/* Semantic variants */
.stat-card.present { border-left: none; }
.stat-card.present::before { background: linear-gradient(180deg, var(--success) 0%, var(--success-dark) 100%); }
.stat-card.present p { color: var(--success); }

.stat-card.absent { border-left: none; }
.stat-card.absent::before { background: linear-gradient(180deg, var(--danger) 0%, var(--danger-dark) 100%); }
.stat-card.absent p { color: var(--danger); }

/* ============================================================
   PANEL
   ============================================================ */
.panel {
  background: white;
  border-radius: var(--radius-lg);
  padding: 22px 24px;
  box-shadow: var(--shadow);
  border: 1px solid var(--gray-300);
  margin-bottom: 20px;
  transition: all var(--trans);
}

.panel:hover { box-shadow: var(--shadow-md); }

.panel h3 {
  margin-bottom: 16px;
  color: var(--dark-2);
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.2px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--gray-200);
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ============================================================
   FORM GRID
   ============================================================ */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 14px;
}

.form-grid input,
.form-grid select,
.form-grid textarea {
  width: 100%;
  padding: 11px 14px;
  border: 2px solid var(--gray-300);
  border-radius: var(--radius);
  font-size: 14px;
  font-family: inherit;
  font-weight: 500;
  background: var(--gray-100);
  color: var(--gray-900);
  transition: all var(--trans);
}

.form-grid input:focus,
.form-grid select:focus,
.form-grid textarea:focus {
  outline: none;
  border-color: var(--primary);
  background: white;
  box-shadow: 0 0 0 4px rgba(124, 58, 237, 0.1);
}

.form-grid textarea {
  min-height: 90px;
  resize: vertical;
  line-height: 1.6;
}

/* Error state */
.form-grid input.error,
.form-grid select.error,
.form-grid textarea.error {
  border-color: var(--danger) !important;
  background: #fef2f2;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  padding: 11px 22px;
  border: none;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
  transition: all var(--trans-fast);
  -webkit-tap-highlight-color: transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  letter-spacing: 0.2px;
}

.btn:active { transform: scale(0.97); }

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
  box-shadow: var(--shadow-primary);
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 10px 22px rgba(124, 58, 237, 0.4);
}

.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-secondary {
  background: var(--gray-200);
  color: var(--gray-800);
}

.btn-secondary:hover {
  background: var(--gray-300);
}

.btn-danger {
  background: linear-gradient(135deg, var(--danger) 0%, var(--danger-dark) 100%);
  color: white;
  box-shadow: var(--shadow-danger);
}

.btn-danger:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 10px 22px rgba(239, 68, 68, 0.4);
}

.btn-sm {
  padding: 7px 14px;
  font-size: 12.5px;
  border-radius: var(--radius-sm);
}

/* ============================================================
   TABLE
   ============================================================ */
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
  background: white;
}

table th,
table td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid var(--gray-200);
}

table th {
  background: var(--gray-100);
  font-weight: 800;
  color: var(--gray-800);
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  position: sticky;
  top: 0;
  white-space: nowrap;
  border-bottom: 2px solid var(--gray-300);
  z-index: 2;
}

table td {
  color: var(--gray-800);
  font-weight: 500;
}

table tbody tr {
  transition: background var(--trans-fast);
}

table tbody tr:hover td {
  background: var(--primary-lighter);
}

table tbody tr:nth-child(even) td {
  background: #fafbfc;
}

table tbody tr:nth-child(even):hover td {
  background: var(--primary-lighter);
}

/* Table wrapper */
.table-responsive,
.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--radius);
  border: 1px solid var(--gray-300);
  background: white;
}

/* ============================================================
   SEARCH BAR
   ============================================================ */
.search-bar {
  display: flex;
  gap: 10px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}

.search-bar input,
.search-bar select {
  flex: 1;
  min-width: 180px;
  padding: 11px 16px;
  border: 2px solid var(--gray-300);
  border-radius: var(--radius);
  font-size: 14px;
  font-family: inherit;
  font-weight: 500;
  background: white;
  color: var(--gray-900);
  transition: all var(--trans);
}

.search-bar input:focus,
.search-bar select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(124, 58, 237, 0.1);
}

/* ============================================================
   NOTICE ITEM
   ============================================================ */
.notice-item {
  border-left: 4px solid var(--primary);
  padding: 16px 20px;
  background: linear-gradient(90deg, var(--primary-lighter) 0%, #ffffff 100%);
  border-radius: var(--radius);
  margin-bottom: 14px;
  transition: all var(--trans);
  box-shadow: var(--shadow-sm);
}

.notice-item:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow);
}

.notice-item h4 {
  color: var(--primary-darker);
  margin-bottom: 8px;
  font-size: 15.5px;
  font-weight: 800;
  line-height: 1.4;
}

.notice-item p {
  color: var(--gray-700);
  font-size: 13.5px;
  line-height: 1.6;
  margin-bottom: 6px;
}

.notice-item small {
  color: var(--gray-500);
  font-size: 11.5px;
  font-weight: 600;
}

/* ============================================================
   ATTENDANCE ROW
   ============================================================ */
.att-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid var(--gray-200);
  gap: 12px;
  flex-wrap: wrap;
  transition: background var(--trans-fast);
}

.att-row:hover { background: var(--gray-100); }
.att-row:last-child { border-bottom: none; }

.att-btns {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.att-btns button {
  padding: 8px 16px;
  border: 2px solid var(--gray-300);
  background: white;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 13px;
  font-weight: 700;
  font-family: inherit;
  color: var(--gray-700);
  transition: all var(--trans-fast);
  -webkit-tap-highlight-color: transparent;
}

.att-btns button:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.att-btns button.active.present {
  background: var(--success);
  color: white;
  border-color: var(--success);
  box-shadow: 0 4px 10px rgba(16, 185, 129, 0.3);
}

.att-btns button.active.absent {
  background: var(--danger);
  color: white;
  border-color: var(--danger);
  box-shadow: 0 4px 10px rgba(239, 68, 68, 0.3);
}

.att-btns button.active.late {
  background: var(--warning);
  color: white;
  border-color: var(--warning);
  box-shadow: 0 4px 10px rgba(245, 158, 11, 0.3);
}

/* ============================================================
   EMPTY STATE
   ============================================================ */
.empty {
  text-align: center;
  padding: 50px 24px;
  color: var(--gray-500);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.6;
}

.empty::before {
  content: '📭';
  display: block;
  font-size: 56px;
  margin-bottom: 12px;
  opacity: 0.5;
}

/* ============================================================
   TOAST
   ============================================================ */
#toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  background: var(--gray-900);
  color: white;
  padding: 14px 22px;
  border-radius: var(--radius-md);
  box-shadow:
    0 20px 40px rgba(15, 23, 42, 0.3),
    0 8px 16px rgba(15, 23, 42, 0.2);
  font-size: 14px;
  font-weight: 600;
  opacity: 0;
  transform: translateX(40px);
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
  max-width: calc(100vw - 48px);
  word-break: break-word;
  line-height: 1.5;
}

#toast.show {
  opacity: 1;
  transform: translateX(0);
}

#toast.success {
  background: linear-gradient(135deg, var(--success) 0%, var(--success-dark) 100%);
  box-shadow: 0 20px 40px rgba(16, 185, 129, 0.35), 0 8px 16px rgba(16, 185, 129, 0.2);
}

#toast.error {
  background: linear-gradient(135deg, var(--danger) 0%, var(--danger-dark) 100%);
  box-shadow: 0 20px 40px rgba(239, 68, 68, 0.35), 0 8px 16px rgba(239, 68, 68, 0.2);
}

/* ============================================================
   MOBILE — 768px and below
   ============================================================ */
@media (max-width: 768px) {
  header.top {
    padding: 12px 16px;
    gap: 8px;
    min-height: 54px;
  }

  header.top h1 { font-size: 15px; }

  header.top .user span { display: none; }

  header.top .user button {
    padding: 8px 14px;
    font-size: 12.5px;
  }

  .hamburger-btn { display: flex; }

  aside.sidebar {
    top: 54px;
    width: 270px;
    transform: translateX(-100%);
    box-shadow: 8px 0 30px rgba(0, 0, 0, 0.15);
    border-right: none;
  }

  aside.sidebar.mobile-open {
    transform: translateX(0);
  }

  .sidebar-overlay.show { display: block; }

  main.content {
    margin-left: 0;
    padding: 16px;
    min-height: calc(100vh - 54px);
  }

  main.content h2 {
    font-size: 19px;
    margin-bottom: 16px;
  }

  .menu-item,
  .folder-header {
    padding: 12px 16px;
    font-size: 14.5px;
  }

  .submenu-item {
    padding: 11px 14px;
    font-size: 13.5px;
  }

  .stats {
    grid-template-columns: repeat(auto-fit, minmax(145px, 1fr));
    gap: 12px;
    margin-bottom: 18px;
  }

  .stat-card { padding: 16px 16px 16px 18px; }
  .stat-card h3 { font-size: 11px; }
  .stat-card p { font-size: 23px; }

  .panel {
    padding: 16px 18px;
    margin-bottom: 16px;
    border-radius: var(--radius-md);
  }

  .panel h3 { font-size: 15.5px; }

  .form-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  table {
    font-size: 12.5px;
  }

  table th,
  table td {
    padding: 10px 12px;
  }

  .table-responsive,
  .table-wrap {
    border-radius: var(--radius-sm);
    margin: 0 -4px;
  }

  .search-bar {
    flex-direction: column;
    gap: 10px;
  }

  .search-bar input,
  .search-bar select {
    min-width: 0;
    width: 100%;
    padding: 12px 14px;
    font-size: 15px;
  }

  .btn {
    padding: 12px 20px;
    font-size: 14px;
  }

  .btn-sm {
    padding: 9px 14px;
    font-size: 13px;
  }

  .att-row {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    padding: 14px 16px;
  }

  .att-btns {
    justify-content: stretch;
    width: 100%;
  }

  .att-btns button {
    flex: 1;
    padding: 10px 10px;
    font-size: 13px;
  }

  .login-card {
    padding: 32px 24px;
    border-radius: var(--radius-lg);
  }

  .login-card h1 { font-size: 23px; }
  .login-card input {
    font-size: 15px;
    padding: 13px 15px;
  }

  #toast {
    left: 16px;
    right: 16px;
    bottom: 16px;
    max-width: none;
    text-align: center;
    transform: translateY(20px);
  }

  #toast.show {
    transform: translateY(0);
  }
}

/* ============================================================
   SMALL MOBILE — 480px and below
   ============================================================ */
@media (max-width: 480px) {
  main.content { padding: 12px; }

  header.top h1 { font-size: 13.5px; }

  .stats { grid-template-columns: 1fr 1fr; }

  .panel { padding: 14px; }

  .stat-card p { font-size: 20px; }

  main.content h2 { font-size: 17px; }

  .login-card { padding: 26px 20px; }
  .login-card h1 { font-size: 20px; }
}

/* ============================================================
   PRINT STYLES
   ============================================================ */
@media print {
  @page {
    size: A4 portrait;
    margin: 10mm 8mm;
  }

  /* Hide chrome */
  header.top,
  aside.sidebar,
  .sidebar-overlay,
  .hamburger-btn,
  #toast,
  .no-print,
  .btn,
  .btn-primary,
  .btn-secondary,
  .btn-danger,
  .search-bar,
  .sp-header,
  .sp-body,
  .sr-header,
  .sr-body,
  .er-header,
  .er-body,
  .info-banner,
  .rc-actions,
  .tr-actions,
  .receipt-actions,
  .receipt-actions-top,
  .ms-topbar,
  nav,
  footer {
    display: none !important;
  }

  html, body {
    background: white !important;
    padding: 0 !important;
    margin: 0 !important;
    font-size: 11pt;
    color: #000;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  main.content,
  main {
    margin: 0 !important;
    padding: 0 !important;
    min-height: auto !important;
  }

  table {
    border-collapse: collapse !important;
    width: 100% !important;
    page-break-inside: auto;
  }

  table th,
  table td {
    border: 1px solid #000 !important;
    padding: 5px 6px !important;
    font-size: 10pt;
  }

  table th {
    background: #e5e7eb !important;
    color: #000 !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  tr { page-break-inside: avoid; }
  thead { display: table-header-group; }

  .panel,
  .stat-card,
  .report-card,
  .transcript,
  .receipt,
  .admit-card,
  .id-card {
    box-shadow: none !important;
    border-radius: 0 !important;
    page-break-inside: avoid;
  }

  .stats {
    display: grid !important;
    grid-template-columns: repeat(4, 1fr) !important;
    gap: 6px !important;
    margin-bottom: 10px !important;
  }

  .stat-card {
    border: 1px solid #000 !important;
    padding: 6px !important;
    border-left: 3px solid #000 !important;
  }

  .stat-card::before { display: none !important; }
  .stat-card h3 { font-size: 9pt !important; }
  .stat-card p { font-size: 14pt !important; }

  .badge, .status-badge, .copy-badge,
  .rc-title, .tr-title, .sheet-title,
  .type-badge, .grade-pass, .grade-fail {
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  .page-break { page-break-before: always; }
  .page-break-avoid { page-break-inside: avoid; }
  .page-break-after { page-break-after: always; }

  a { color: #000; text-decoration: none; }
  a[href]::after { content: ''; }

  * { transition: none !important; }
  tr:hover td { background: transparent !important; }

  img {
    max-width: 100% !important;
    page-break-inside: avoid;
  }

  .print-full {
    width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
  }
}

@media print and (orientation: landscape) {
  @page {
    size: A4 landscape;
    margin: 8mm;
  }
}

/* ============================================================
   UTILITY CLASSES (Optional — new)
   ============================================================ */
.text-center { text-align: center; }
.text-right { text-align: right; }
.mt-0 { margin-top: 0 !important; }
.mb-0 { margin-bottom: 0 !important; }
.hidden { display: none !important; }
.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}
.gap-sm { gap: 8px; }
.gap { gap: 14px; }
.w-full { width: 100%; }