/* ============================================================
   APP.CSS — Premium UI System for Sistem Sekolah CI4 (MisDigI)
   Author   : Antigravity AI
   Version  : 2.0.0
   ============================================================ */

/* ============================================================
   1. CSS CUSTOM PROPERTIES (DESIGN TOKENS)
   ============================================================ */
:root {
  --primary:           #10b981;
  --primary-dark:      #059669;
  --primary-light:     #34d399;
  --primary-ultra:     #d1fae5;
  --bg-main:           #0f172a;
  --bg-card:           #1e293b;
  --bg-sidebar:        #0a1628;
  --bg-header:         #1e293b;
  --bg-input:          #0f172a;
  --bg-hover:          #263348;
  --text-primary:      #f1f5f9;
  --text-secondary:    #94a3b8;
  --text-muted:        #64748b;
  --border:            #334155;
  --border-light:      #1e293b;
  --danger:            #ef4444;
  --danger-dark:       #dc2626;
  --danger-light:      #fee2e2;
  --warning:           #f59e0b;
  --warning-dark:      #d97706;
  --warning-light:     #fef3c7;
  --info:              #3b82f6;
  --info-dark:         #2563eb;
  --info-light:        #dbeafe;
  --success:           #10b981;
  --success-light:     #d1fae5;
  --sidebar-width:     260px;
  --sidebar-collapsed: 70px;
  --header-height:     64px;
  --radius:            12px;
  --radius-sm:         8px;
  --radius-lg:         16px;
  --radius-xl:         24px;
  --shadow:            0 4px 24px rgba(0,0,0,0.3);
  --shadow-sm:         0 2px 8px rgba(0,0,0,0.2);
  --shadow-lg:         0 8px 40px rgba(0,0,0,0.4);
  --shadow-primary:    0 4px 20px rgba(16,185,129,0.25);
  --transition:        0.25s cubic-bezier(0.4,0,0.2,1);
  --transition-slow:   0.4s cubic-bezier(0.4,0,0.2,1);
  --font-main:        'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-mono:        'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
  --z-sidebar:        100;
  --z-header:         200;
  --z-modal:          300;
  --z-toast:          400;
  --z-tooltip:        500;
  --z-overlay:        250;
}

/* ============================================================
   2. RESET & BASE
   ============================================================ */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-main);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, video {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--primary-light);
  text-decoration: underline;
}

ul, ol {
  list-style: none;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 1.5rem 0;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-main);
}
::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 99px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* Selection */
::selection {
  background: rgba(16, 185, 129, 0.3);
  color: var(--text-primary);
}

/* ============================================================
   3. TYPOGRAPHY
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.3;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.125rem; }
h5 { font-size: 1rem; }
h6 { font-size: 0.875rem; }

p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

p:last-child { margin-bottom: 0; }

small, .text-sm { font-size: 0.8125rem; }
.text-xs      { font-size: 0.75rem; }
.text-lg      { font-size: 1.125rem; }
.text-xl      { font-size: 1.25rem; }
.text-2xl     { font-size: 1.5rem; }
.text-3xl     { font-size: 1.875rem; }

.fw-300 { font-weight: 300; }
.fw-400 { font-weight: 400; }
.fw-500 { font-weight: 500; }
.fw-600 { font-weight: 600; }
.fw-700 { font-weight: 700; }
.fw-800 { font-weight: 800; }

.font-mono { font-family: var(--font-mono); }

/* ============================================================
   4. LAYOUT: WRAPPER, SIDEBAR, MAIN, HEADER, FOOTER
   ============================================================ */
.layout-wrapper {
  display: flex;
  min-height: 100vh;
  position: relative;
}

/* ---- SIDEBAR ---- */
.sidebar {
  width: var(--sidebar-width);
  min-height: 100vh;
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  z-index: var(--z-sidebar);
  transition: width var(--transition-slow), transform var(--transition-slow);
  overflow: hidden;
}

.sidebar.collapsed {
  width: var(--sidebar-collapsed);
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 20px;
  height: var(--header-height);
  border-bottom: 1px solid var(--border-light);
  white-space: nowrap;
  overflow: hidden;
  flex-shrink: 0;
}

.sidebar-brand-logo {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.1rem;
  font-weight: 800;
  color: #fff;
  box-shadow: var(--shadow-primary);
}

.sidebar-brand-text {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: opacity var(--transition), width var(--transition-slow);
}

.sidebar-brand-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
  white-space: nowrap;
}

.sidebar-brand-subtitle {
  font-size: 0.7rem;
  color: var(--text-muted);
  white-space: nowrap;
}

.sidebar.collapsed .sidebar-brand-text {
  opacity: 0;
  width: 0;
  pointer-events: none;
}

/* Sidebar Navigation */
.sidebar-nav {
  flex: 1;
  padding: 12px 0;
  overflow-y: auto;
  overflow-x: hidden;
}

.nav-section {
  margin-bottom: 8px;
}

.nav-section-label {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  padding: 12px 22px 4px;
  white-space: nowrap;
  overflow: hidden;
  transition: opacity var(--transition);
}

.sidebar.collapsed .nav-section-label {
  opacity: 0;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 20px;
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  margin: 2px 8px;
  transition: all var(--transition);
  white-space: nowrap;
  cursor: pointer;
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.nav-link::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(16,185,129,0.08), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}

.nav-link:hover {
  color: var(--text-primary);
  background: var(--bg-hover);
  text-decoration: none;
}

.nav-link:hover::before {
  opacity: 1;
}

.nav-link.active {
  color: var(--primary);
  background: rgba(16, 185, 129, 0.12);
  font-weight: 600;
}

.nav-link.active::before {
  opacity: 1;
}

.nav-link.active::after {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 60%;
  background: var(--primary);
  border-radius: 0 4px 4px 0;
}

.nav-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  font-size: 1rem;
}

.nav-label {
  flex: 1;
  transition: opacity var(--transition), width var(--transition-slow);
  overflow: hidden;
}

.sidebar.collapsed .nav-label {
  opacity: 0;
  width: 0;
}

.nav-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  font-size: 0.65rem;
  font-weight: 700;
  border-radius: 99px;
  background: var(--primary);
  color: #fff;
  flex-shrink: 0;
  transition: opacity var(--transition);
}

.sidebar.collapsed .nav-badge {
  opacity: 0;
}

/* Sidebar Tooltip on Collapsed */
.sidebar.collapsed .nav-link:hover::after {
  content: attr(data-label);
  position: absolute;
  left: calc(100% + 12px);
  top: 50%;
  transform: translateY(-50%);
  background: var(--bg-card);
  color: var(--text-primary);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  font-weight: 500;
  white-space: nowrap;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  z-index: 999;
  pointer-events: none;
}

/* Sidebar Collapse Button */
.sidebar-collapse-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px 20px;
  border-top: 1px solid var(--border-light);
  flex-shrink: 0;
}

.sidebar-collapse-btn button {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: var(--bg-hover);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  transition: all var(--transition);
  flex-shrink: 0;
}

.sidebar-collapse-btn button:hover {
  color: var(--primary);
  border-color: var(--primary);
  background: rgba(16,185,129,0.1);
}

.sidebar-collapse-btn .btn-label {
  margin-left: 10px;
  font-size: 0.8125rem;
  color: var(--text-secondary);
  white-space: nowrap;
  transition: opacity var(--transition), width var(--transition-slow);
  overflow: hidden;
}

.sidebar.collapsed .sidebar-collapse-btn .btn-label {
  opacity: 0;
  width: 0;
}

/* ---- MAIN CONTENT ---- */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  transition: margin-left var(--transition-slow);
}

.main-content.sidebar-collapsed {
  margin-left: var(--sidebar-collapsed);
}

/* ---- HEADER ---- */
.header {
  position: fixed;
  top: 0;
  left: var(--sidebar-width);
  right: 0;
  height: var(--header-height);
  background: var(--bg-header);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 16px;
  z-index: var(--z-header);
  backdrop-filter: blur(8px);
  transition: left var(--transition-slow);
}

.header.sidebar-collapsed {
  left: var(--sidebar-collapsed);
}

.header-left {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
}

.hamburger-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  transition: all var(--transition);
  flex-shrink: 0;
}

.hamburger-btn:hover {
  color: var(--primary);
  border-color: var(--primary);
  background: rgba(16,185,129,0.08);
}

.header-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

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

/* Header Icon Buttons */
.header-icon-btn {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid transparent;
  transition: all var(--transition);
}

.header-icon-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  border-color: var(--border);
}

.header-icon-btn .notification-badge {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 8px;
  height: 8px;
  background: var(--danger);
  border-radius: 50%;
  border: 2px solid var(--bg-header);
  animation: pulse 2s infinite;
}

/* User Info (Header) */
.header-user {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition);
}

.header-user:hover {
  background: var(--bg-hover);
  border-color: var(--border);
}

.header-user-info {
  display: flex;
  flex-direction: column;
  text-align: right;
}

.header-user-name {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.2;
}

.header-user-role {
  font-size: 0.7rem;
  color: var(--text-muted);
}

/* ---- CONTENT AREA ---- */
.content-area {
  margin-top: var(--header-height);
  padding: 24px;
  flex: 1;
}

/* ---- FOOTER ---- */
.footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8125rem;
  color: var(--text-muted);
  background: var(--bg-sidebar);
}

.footer a {
  color: var(--primary);
}

/* ============================================================
   5. CARDS
   ============================================================ */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition);
}

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

.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.card-title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.card-subtitle {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin: 4px 0 0;
}

.card-body {
  padding: 20px;
}

.card-footer {
  padding: 14px 20px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(0,0,0,0.08);
}

/* Stat Cards */
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  position: relative;
  overflow: hidden;
  transition: all var(--transition);
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--stat-color, var(--primary));
}

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

.stat-card-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  background: var(--stat-icon-bg, rgba(16,185,129,0.12));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
  color: var(--stat-color, var(--primary));
}

.stat-card-body {
  flex: 1;
}

.stat-card-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
  letter-spacing: -0.04em;
}

.stat-card-label {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.stat-card-trend {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 99px;
  margin-top: 8px;
}

.stat-card-trend.up {
  background: rgba(16,185,129,0.12);
  color: var(--success);
}

.stat-card-trend.down {
  background: rgba(239,68,68,0.12);
  color: var(--danger);
}

/* Stat Card Color Variants */
.stat-card.primary { --stat-color: var(--primary); --stat-icon-bg: rgba(16,185,129,0.12); }
.stat-card.danger  { --stat-color: var(--danger);  --stat-icon-bg: rgba(239,68,68,0.12);  }
.stat-card.warning { --stat-color: var(--warning); --stat-icon-bg: rgba(245,158,11,0.12); }
.stat-card.info    { --stat-color: var(--info);    --stat-icon-bg: rgba(59,130,246,0.12);  }

/* ============================================================
   6. TABLE
   ============================================================ */
.table-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.table-responsive {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

thead {
  background: rgba(0,0,0,0.2);
}

thead th {
  padding: 13px 16px;
  text-align: left;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

thead th.sortable {
  cursor: pointer;
  user-select: none;
}

thead th.sortable:hover {
  color: var(--text-secondary);
}

tbody tr {
  border-bottom: 1px solid var(--border-light);
  transition: background var(--transition);
}

tbody tr:last-child {
  border-bottom: none;
}

tbody tr:hover {
  background: var(--bg-hover);
}

tbody td {
  padding: 14px 16px;
  color: var(--text-secondary);
  vertical-align: middle;
}

tbody td strong,
tbody td b {
  color: var(--text-primary);
  font-weight: 600;
}

tfoot td {
  padding: 12px 16px;
  border-top: 1px solid var(--border);
  font-size: 0.8125rem;
  color: var(--text-muted);
  background: rgba(0,0,0,0.1);
}

.table-action-cell {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: nowrap;
}

/* ============================================================
   7. FORM ELEMENTS
   ============================================================ */
.form-group {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.form-label .required {
  color: var(--danger);
  margin-left: 3px;
}

.form-control {
  display: block;
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-input);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.875rem;
  line-height: 1.5;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
  appearance: none;
  outline: none;
}

.form-control::placeholder {
  color: var(--text-muted);
}

.form-control:hover {
  border-color: var(--text-muted);
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(16,185,129,0.15);
  background: rgba(16,185,129,0.03);
}

.form-control:disabled,
.form-control[readonly] {
  opacity: 0.55;
  cursor: not-allowed;
}

.form-control.is-invalid {
  border-color: var(--danger);
}

.form-control.is-invalid:focus {
  box-shadow: 0 0 0 3px rgba(239,68,68,0.15);
}

.form-control.is-valid {
  border-color: var(--success);
}

.invalid-feedback {
  display: block;
  font-size: 0.76rem;
  color: var(--danger);
  margin-top: 5px;
}

.valid-feedback {
  display: block;
  font-size: 0.76rem;
  color: var(--success);
  margin-top: 5px;
}

.form-text {
  display: block;
  font-size: 0.76rem;
  color: var(--text-muted);
  margin-top: 5px;
}

textarea.form-control {
  resize: vertical;
  min-height: 100px;
}

select.form-control {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='none' stroke='%2364748b' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 14px;
  padding-right: 36px;
  cursor: pointer;
}

/* Input Group */
.input-group {
  display: flex;
  align-items: stretch;
  position: relative;
}

.input-group .form-control {
  flex: 1;
}

.input-group-prepend,
.input-group-append {
  display: flex;
  align-items: center;
}

.input-group-text {
  display: flex;
  align-items: center;
  padding: 10px 14px;
  background: rgba(0,0,0,0.2);
  border: 1.5px solid var(--border);
  color: var(--text-muted);
  font-size: 0.875rem;
  white-space: nowrap;
}

.input-group-prepend .input-group-text {
  border-right: none;
  border-radius: var(--radius-sm) 0 0 var(--radius-sm);
}

.input-group-append .input-group-text {
  border-left: none;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.input-group .input-group-prepend + .form-control {
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.input-group .form-control:has(+ .input-group-append) {
  border-radius: var(--radius-sm) 0 0 var(--radius-sm);
}

.input-group-icon {
  position: relative;
}

.input-group-icon .form-control {
  padding-left: 42px;
}

.input-group-icon .icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
  font-size: 1rem;
}

/* Checkbox & Radio */
.form-check {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}

.form-check input[type="checkbox"],
.form-check input[type="radio"] {
  width: 16px;
  height: 16px;
  accent-color: var(--primary);
  cursor: pointer;
  flex-shrink: 0;
}

.form-check-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  cursor: pointer;
}

/* ============================================================
   8. BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 18px;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  text-decoration: none;
  position: relative;
  overflow: hidden;
  user-select: none;
  vertical-align: middle;
  line-height: 1.4;
}

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

.btn:disabled,
.btn.disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* Button Variants */
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  border-color: var(--primary-dark);
  box-shadow: 0 2px 10px rgba(16,185,129,0.3);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  box-shadow: 0 4px 16px rgba(16,185,129,0.4);
  transform: translateY(-1px);
  color: #fff;
  text-decoration: none;
}

.btn-secondary {
  background: var(--bg-hover);
  color: var(--text-secondary);
  border-color: var(--border);
}

.btn-secondary:hover {
  background: var(--border);
  color: var(--text-primary);
  text-decoration: none;
}

.btn-danger {
  background: linear-gradient(135deg, var(--danger), var(--danger-dark));
  color: #fff;
  border-color: var(--danger-dark);
  box-shadow: 0 2px 10px rgba(239,68,68,0.3);
}

.btn-danger:hover {
  opacity: 0.9;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(239,68,68,0.4);
  color: #fff;
  text-decoration: none;
}

.btn-warning {
  background: linear-gradient(135deg, var(--warning), var(--warning-dark));
  color: #fff;
  border-color: var(--warning-dark);
}

.btn-warning:hover {
  opacity: 0.9;
  transform: translateY(-1px);
  color: #fff;
  text-decoration: none;
}

.btn-info {
  background: linear-gradient(135deg, var(--info), var(--info-dark));
  color: #fff;
  border-color: var(--info-dark);
}

.btn-info:hover {
  opacity: 0.9;
  transform: translateY(-1px);
  color: #fff;
  text-decoration: none;
}

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

/* Outline Variants */
.btn-outline-primary {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}

.btn-outline-primary:hover {
  background: var(--primary);
  color: #fff;
  text-decoration: none;
}

.btn-outline-danger {
  background: transparent;
  color: var(--danger);
  border-color: var(--danger);
}

.btn-outline-danger:hover {
  background: var(--danger);
  color: #fff;
  text-decoration: none;
}

.btn-outline-secondary {
  background: transparent;
  color: var(--text-secondary);
  border-color: var(--border);
}

.btn-outline-secondary:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  text-decoration: none;
}

/* Size Variants */
.btn-xs {
  padding: 4px 10px;
  font-size: 0.72rem;
  border-radius: 6px;
}

.btn-sm {
  padding: 6px 13px;
  font-size: 0.8125rem;
}

.btn-lg {
  padding: 12px 24px;
  font-size: 1rem;
  border-radius: var(--radius);
}

/* Icon Button */
.btn-icon {
  padding: 8px;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
}

.btn-icon.btn-sm {
  width: 30px;
  height: 30px;
  padding: 5px;
}

.btn-icon.btn-lg {
  width: 44px;
  height: 44px;
  padding: 10px;
}

/* Loading State */
.btn.loading {
  pointer-events: none;
  opacity: 0.75;
}

.btn.loading::after {
  content: '';
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  margin-left: 6px;
}

/* Full Width */
.btn-block {
  width: 100%;
}

/* ============================================================
   9. BADGES & PILLS
   ============================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 3px 10px;
  font-size: 0.7rem;
  font-weight: 700;
  border-radius: 99px;
  letter-spacing: 0.03em;
  white-space: nowrap;
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  flex-shrink: 0;
}

.badge-success   { background: rgba(16,185,129,0.15); color: var(--success); }
.badge-danger    { background: rgba(239,68,68,0.15);  color: var(--danger);  }
.badge-warning   { background: rgba(245,158,11,0.15); color: var(--warning); }
.badge-info      { background: rgba(59,130,246,0.15); color: var(--info);    }
.badge-secondary { background: rgba(100,116,139,0.15);color: var(--text-muted); }
.badge-primary   { background: rgba(16,185,129,0.15); color: var(--primary); }

.badge-solid-success   { background: var(--success); color: #fff; }
.badge-solid-danger    { background: var(--danger);  color: #fff; }
.badge-solid-warning   { background: var(--warning); color: #fff; }
.badge-solid-info      { background: var(--info);    color: #fff; }

/* ============================================================
   10. MODAL
   ============================================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
}

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

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  transform: scale(0.92) translateY(20px);
  transition: transform var(--transition);
  overflow: hidden;
}

.modal-overlay.open .modal {
  transform: scale(1) translateY(0);
}

.modal-sm { max-width: 380px; }
.modal-lg { max-width: 720px; }
.modal-xl { max-width: 960px; }

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.modal-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

.modal-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-muted);
  border: 1px solid transparent;
  font-size: 1.1rem;
  transition: all var(--transition);
}

.modal-close:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  border-color: var(--border);
}

.modal-body {
  padding: 22px;
  overflow-y: auto;
  flex: 1;
}

.modal-footer {
  padding: 16px 22px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  flex-shrink: 0;
  background: rgba(0,0,0,0.08);
}

/* ============================================================
   11. TOAST / ALERT
   ============================================================ */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 18px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  min-width: 300px;
  max-width: 400px;
  pointer-events: all;
  position: relative;
  overflow: hidden;
  animation: slideInRight 0.35s cubic-bezier(0.4,0,0.2,1) forwards;
}

.toast.closing {
  animation: slideOutRight 0.3s cubic-bezier(0.4,0,0.2,1) forwards;
}

.toast::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--toast-color, var(--primary));
}

.toast-icon {
  font-size: 1.2rem;
  flex-shrink: 0;
  color: var(--toast-color, var(--primary));
  margin-top: 1px;
}

.toast-content {
  flex: 1;
}

.toast-title {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.toast-message {
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.toast-close {
  color: var(--text-muted);
  font-size: 1rem;
  flex-shrink: 0;
  transition: color var(--transition);
}

.toast-close:hover { color: var(--text-primary); }

.toast-success { --toast-color: var(--success); }
.toast-danger  { --toast-color: var(--danger);  }
.toast-warning { --toast-color: var(--warning); }
.toast-info    { --toast-color: var(--info);    }

/* Alert */
.alert {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  margin-bottom: 16px;
  font-size: 0.875rem;
}

.alert-icon { flex-shrink: 0; font-size: 1.1rem; margin-top: 1px; }
.alert-content { flex: 1; }
.alert-title { font-weight: 700; margin-bottom: 2px; }

.alert-success { background: rgba(16,185,129,0.1);  border-color: rgba(16,185,129,0.3);  color: var(--success); }
.alert-danger  { background: rgba(239,68,68,0.1);   border-color: rgba(239,68,68,0.3);   color: var(--danger);  }
.alert-warning { background: rgba(245,158,11,0.1);  border-color: rgba(245,158,11,0.3);  color: var(--warning); }
.alert-info    { background: rgba(59,130,246,0.1);  border-color: rgba(59,130,246,0.3);  color: var(--info);    }

/* ============================================================
   12. LOADING / SPINNER / SKELETON
   ============================================================ */
.spinner {
  display: inline-block;
  width: 24px;
  height: 24px;
  border: 2.5px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  flex-shrink: 0;
}

.spinner-sm {
  width: 16px;
  height: 16px;
  border-width: 2px;
}

.spinner-lg {
  width: 36px;
  height: 36px;
  border-width: 3px;
}

.spinner-primary { border-top-color: var(--primary); }
.spinner-danger  { border-top-color: var(--danger);  }
.spinner-warning { border-top-color: var(--warning); }
.spinner-info    { border-top-color: var(--info);    }

.loading-overlay {
  position: absolute;
  inset: 0;
  background: rgba(15,23,42,0.7);
  backdrop-filter: blur(2px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  z-index: 10;
  border-radius: inherit;
}

.loading-overlay .spinner {
  width: 36px;
  height: 36px;
  border-width: 3px;
}

.loading-text {
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

/* Skeleton */
.skeleton {
  background: linear-gradient(90deg,
    var(--bg-hover) 25%,
    rgba(51,65,85,0.8) 50%,
    var(--bg-hover) 75%
  );
  background-size: 200% 100%;
  animation: skeleton-pulse 1.5s ease-in-out infinite;
  border-radius: var(--radius-sm);
}

.skeleton-text {
  height: 14px;
  margin-bottom: 8px;
  border-radius: 4px;
}

.skeleton-text:last-child { width: 70%; }

.skeleton-title {
  height: 20px;
  width: 60%;
  margin-bottom: 12px;
  border-radius: 4px;
}

.skeleton-circle {
  border-radius: 50%;
}

.skeleton-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
}

/* ============================================================
   13. BREADCRUMB
   ============================================================ */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0;
  padding: 0;
  margin-bottom: 20px;
  font-size: 0.8125rem;
}

.breadcrumb-item {
  display: flex;
  align-items: center;
  color: var(--text-muted);
}

.breadcrumb-item + .breadcrumb-item::before {
  content: '›';
  margin: 0 8px;
  color: var(--border);
  font-size: 1rem;
}

.breadcrumb-item a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition);
}

.breadcrumb-item a:hover {
  color: var(--primary);
  text-decoration: none;
}

.breadcrumb-item.active {
  color: var(--primary);
  font-weight: 600;
}

/* ============================================================
   14. PAGINATION
   ============================================================ */
.pagination {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
}

.page-item { display: flex; }

.page-link {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 10px;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--border);
  background: var(--bg-card);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  user-select: none;
}

.page-link:hover {
  background: var(--bg-hover);
  border-color: var(--primary);
  color: var(--primary);
  text-decoration: none;
}

.page-item.active .page-link {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  box-shadow: var(--shadow-primary);
}

.page-item.disabled .page-link {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

/* ============================================================
   15. AVATAR
   ============================================================ */
.avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  font-size: 0.875rem;
  font-weight: 700;
  flex-shrink: 0;
  letter-spacing: 0.05em;
  overflow: hidden;
  border: 2px solid var(--border);
}

.avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.avatar-xs { width: 24px; height: 24px; font-size: 0.6rem;  }
.avatar-sm { width: 32px; height: 32px; font-size: 0.75rem; }
.avatar-lg { width: 52px; height: 52px; font-size: 1.1rem;  }
.avatar-xl { width: 72px; height: 72px; font-size: 1.4rem;  }

.avatar-square { border-radius: var(--radius-sm); }

.avatar-group {
  display: flex;
}

.avatar-group .avatar {
  border: 2px solid var(--bg-card);
  margin-left: -8px;
}

.avatar-group .avatar:first-child { margin-left: 0; }

/* ============================================================
   16. DIVIDER, EMPTY STATE, TOOLTIP
   ============================================================ */
/* Divider */
.divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 20px 0;
  color: var(--text-muted);
  font-size: 0.8125rem;
}

.divider::before,
.divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* Empty State */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 24px;
  text-align: center;
}

.empty-state-icon {
  font-size: 3.5rem;
  margin-bottom: 16px;
  opacity: 0.4;
}

.empty-state-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.empty-state-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  max-width: 340px;
  margin-bottom: 24px;
}

/* Tooltip (CSS only) */
[data-tooltip] {
  position: relative;
  cursor: help;
}

[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) scale(0.9);
  background: #1a2535;
  color: var(--text-primary);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
  white-space: nowrap;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  z-index: var(--z-tooltip);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition), transform var(--transition);
}

[data-tooltip]:hover::after {
  opacity: 1;
  transform: translateX(-50%) scale(1);
}

/* Dropdown */
.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 180px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  z-index: var(--z-tooltip);
  padding: 6px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: all var(--transition);
}

.dropdown.open .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  font-size: 0.875rem;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

.dropdown-item:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  text-decoration: none;
}

.dropdown-item.danger:hover {
  background: rgba(239,68,68,0.1);
  color: var(--danger);
}

.dropdown-divider {
  height: 1px;
  background: var(--border);
  margin: 6px 0;
}

/* ============================================================
   17. PAGE TITLE / SECTION HEADER
   ============================================================ */
.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 24px;
  gap: 16px;
  flex-wrap: wrap;
}

.page-header-title {
  font-size: 1.375rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.03em;
}

.page-header-subtitle {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.page-header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  flex-shrink: 0;
}

/* Section divider */
.section-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

/* ============================================================
   18. ANIMATIONS & KEYFRAMES
   ============================================================ */
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0);    }
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-16px); }
  to   { opacity: 1; transform: translateY(0);     }
}

@keyframes slideIn {
  from { transform: translateX(-100%); }
  to   { transform: translateX(0);     }
}

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

@keyframes slideOutRight {
  from { opacity: 1; transform: translateX(0);    }
  to   { opacity: 0; transform: translateX(120%); }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1);   }
  50%       { opacity: 0.7; transform: scale(1.15); }
}

@keyframes skeleton-pulse {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

@keyframes shimmer {
  0%   { transform: translateX(-100%); }
  100% { transform: translateX(100%);  }
}

@keyframes bounceIn {
  0%   { transform: scale(0.5); opacity: 0; }
  60%  { transform: scale(1.1); opacity: 1; }
  100% { transform: scale(1);   opacity: 1; }
}

/* Animation Helper Classes */
.animate-fadeIn    { animation: fadeIn 0.3s ease forwards; }
.animate-fadeInUp  { animation: fadeInUp 0.4s cubic-bezier(0.4,0,0.2,1) forwards; }
.animate-fadeInDown{ animation: fadeInDown 0.4s cubic-bezier(0.4,0,0.2,1) forwards; }
.animate-pulse     { animation: pulse 2s infinite; }
.animate-spin      { animation: spin 1s linear infinite; }
.animate-bounceIn  { animation: bounceIn 0.5s cubic-bezier(0.4,0,0.2,1) forwards; }

/* Stagger delays */
.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }
.delay-400 { animation-delay: 0.4s; }
.delay-500 { animation-delay: 0.5s; }

/* ============================================================
   19. RESPONSIVE — MOBILE (max-width: 768px)
   ============================================================ */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: calc(var(--z-sidebar) - 1);
  backdrop-filter: blur(2px);
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
    width: var(--sidebar-width) !important;
    z-index: var(--z-sidebar);
    box-shadow: var(--shadow-lg);
  }

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

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

  .main-content,
  .main-content.sidebar-collapsed {
    margin-left: 0 !important;
  }

  .header,
  .header.sidebar-collapsed {
    left: 0 !important;
  }

  .hamburger-btn {
    display: flex !important;
  }

  .content-area {
    padding: 16px;
  }

  .page-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .page-header-actions {
    width: 100%;
  }

  .modal {
    max-width: 100%;
    margin: 0;
    border-radius: var(--radius) var(--radius) 0 0;
    align-self: flex-end;
  }

  .modal-overlay {
    align-items: flex-end;
  }

  .toast-container {
    bottom: 16px;
    right: 16px;
    left: 16px;
  }

  .toast {
    min-width: unset;
    max-width: 100%;
  }

  .header-user-info { display: none; }

  .stat-card {
    padding: 16px;
  }

  .stat-card-number {
    font-size: 1.5rem;
  }

  table {
    font-size: 0.8125rem;
  }

  .pagination .page-link {
    min-width: 32px;
    height: 32px;
  }

  .btn-lg {
    padding: 10px 20px;
    font-size: 0.9375rem;
  }
}

@media (max-width: 480px) {
  .content-area { padding: 12px; }
  h1 { font-size: 1.5rem; }
  h2 { font-size: 1.25rem; }

  .card-body { padding: 14px; }
  .card-header { padding: 12px 14px; }
}

/* ============================================================
   20. UTILITY CLASSES
   ============================================================ */

/* Display */
.d-none          { display: none !important; }
.d-block         { display: block !important; }
.d-inline        { display: inline !important; }
.d-inline-block  { display: inline-block !important; }
.d-flex          { display: flex !important; }
.d-inline-flex   { display: inline-flex !important; }
.d-grid          { display: grid !important; }

/* Flex */
.flex-row         { flex-direction: row !important; }
.flex-col         { flex-direction: column !important; }
.flex-wrap        { flex-wrap: wrap !important; }
.flex-nowrap      { flex-wrap: nowrap !important; }
.flex-1           { flex: 1 !important; }
.flex-shrink-0    { flex-shrink: 0 !important; }
.align-items-start    { align-items: flex-start !important; }
.align-items-center   { align-items: center !important; }
.align-items-end      { align-items: flex-end !important; }
.align-items-stretch  { align-items: stretch !important; }
.justify-content-start   { justify-content: flex-start !important; }
.justify-content-center  { justify-content: center !important; }
.justify-content-end     { justify-content: flex-end !important; }
.justify-content-between { justify-content: space-between !important; }
.justify-content-around  { justify-content: space-around !important; }

/* Gap */
.gap-1  { gap: 4px !important;  }
.gap-2  { gap: 8px !important;  }
.gap-3  { gap: 12px !important; }
.gap-4  { gap: 16px !important; }
.gap-5  { gap: 20px !important; }
.gap-6  { gap: 24px !important; }
.gap-8  { gap: 32px !important; }

/* Width & Height */
.w-25  { width: 25% !important; }
.w-50  { width: 50% !important; }
.w-75  { width: 75% !important; }
.w-100 { width: 100% !important; }
.h-100 { height: 100% !important; }
.mw-100 { max-width: 100% !important; }

/* Overflow */
.overflow-hidden { overflow: hidden !important; }
.overflow-auto   { overflow: auto !important; }
.overflow-x-auto { overflow-x: auto !important; }

/* Position */
.position-relative { position: relative !important; }
.position-absolute { position: absolute !important; }
.position-fixed    { position: fixed !important; }
.position-sticky   { position: sticky !important; }

/* Text Colors */
.text-primary-color { color: var(--primary) !important; }
.text-danger        { color: var(--danger) !important; }
.text-warning       { color: var(--warning) !important; }
.text-info          { color: var(--info) !important; }
.text-success       { color: var(--success) !important; }
.text-muted         { color: var(--text-muted) !important; }
.text-secondary     { color: var(--text-secondary) !important; }
.text-white         { color: #fff !important; }

/* Text Align */
.text-left   { text-align: left !important; }
.text-center { text-align: center !important; }
.text-right  { text-align: right !important; }

/* Text Transform */
.text-uppercase { text-transform: uppercase !important; }
.text-lowercase { text-transform: lowercase !important; }
.text-capitalize{ text-transform: capitalize !important; }

/* Text Truncate */
.text-truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Background */
.bg-primary   { background: var(--primary) !important; }
.bg-danger    { background: var(--danger) !important; }
.bg-warning   { background: var(--warning) !important; }
.bg-info      { background: var(--info) !important; }
.bg-success   { background: var(--success) !important; }
.bg-card      { background: var(--bg-card) !important; }
.bg-main      { background: var(--bg-main) !important; }
.bg-transparent { background: transparent !important; }

/* Border */
.border         { border: 1px solid var(--border) !important; }
.border-top     { border-top: 1px solid var(--border) !important; }
.border-bottom  { border-bottom: 1px solid var(--border) !important; }
.border-0       { border: none !important; }
.border-primary { border-color: var(--primary) !important; }
.border-danger  { border-color: var(--danger) !important; }

.rounded     { border-radius: var(--radius) !important; }
.rounded-sm  { border-radius: var(--radius-sm) !important; }
.rounded-lg  { border-radius: var(--radius-lg) !important; }
.rounded-full{ border-radius: 9999px !important; }
.rounded-0   { border-radius: 0 !important; }

/* Spacing — Margin */
.m-0  { margin: 0 !important; }
.m-1  { margin: 4px !important; }
.m-2  { margin: 8px !important; }
.m-3  { margin: 12px !important; }
.m-4  { margin: 16px !important; }
.m-5  { margin: 24px !important; }
.m-auto { margin: auto !important; }

.mt-0 { margin-top: 0 !important; }
.mt-1 { margin-top: 4px !important; }
.mt-2 { margin-top: 8px !important; }
.mt-3 { margin-top: 12px !important; }
.mt-4 { margin-top: 16px !important; }
.mt-5 { margin-top: 24px !important; }
.mt-6 { margin-top: 32px !important; }
.mt-8 { margin-top: 48px !important; }
.mt-auto { margin-top: auto !important; }

.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: 4px !important; }
.mb-2 { margin-bottom: 8px !important; }
.mb-3 { margin-bottom: 12px !important; }
.mb-4 { margin-bottom: 16px !important; }
.mb-5 { margin-bottom: 24px !important; }
.mb-6 { margin-bottom: 32px !important; }
.mb-8 { margin-bottom: 48px !important; }

.ml-0  { margin-left: 0 !important; }
.ml-1  { margin-left: 4px !important; }
.ml-2  { margin-left: 8px !important; }
.ml-3  { margin-left: 12px !important; }
.ml-4  { margin-left: 16px !important; }
.ml-auto { margin-left: auto !important; }

.mr-0  { margin-right: 0 !important; }
.mr-1  { margin-right: 4px !important; }
.mr-2  { margin-right: 8px !important; }
.mr-3  { margin-right: 12px !important; }
.mr-4  { margin-right: 16px !important; }
.mr-auto { margin-right: auto !important; }

.mx-auto { margin-left: auto !important; margin-right: auto !important; }
.my-1 { margin-top: 4px !important; margin-bottom: 4px !important; }
.my-2 { margin-top: 8px !important; margin-bottom: 8px !important; }
.my-3 { margin-top: 12px !important; margin-bottom: 12px !important; }
.my-4 { margin-top: 16px !important; margin-bottom: 16px !important; }
.my-5 { margin-top: 24px !important; margin-bottom: 24px !important; }

/* Spacing — Padding */
.p-0 { padding: 0 !important; }
.p-1 { padding: 4px !important; }
.p-2 { padding: 8px !important; }
.p-3 { padding: 12px !important; }
.p-4 { padding: 16px !important; }
.p-5 { padding: 24px !important; }
.p-6 { padding: 32px !important; }

.pt-0 { padding-top: 0 !important; }
.pt-1 { padding-top: 4px !important; }
.pt-2 { padding-top: 8px !important; }
.pt-3 { padding-top: 12px !important; }
.pt-4 { padding-top: 16px !important; }
.pt-5 { padding-top: 24px !important; }

.pb-0 { padding-bottom: 0 !important; }
.pb-1 { padding-bottom: 4px !important; }
.pb-2 { padding-bottom: 8px !important; }
.pb-3 { padding-bottom: 12px !important; }
.pb-4 { padding-bottom: 16px !important; }
.pb-5 { padding-bottom: 24px !important; }

.pl-0 { padding-left: 0 !important; }
.pl-1 { padding-left: 4px !important; }
.pl-2 { padding-left: 8px !important; }
.pl-3 { padding-left: 12px !important; }
.pl-4 { padding-left: 16px !important; }

.pr-0 { padding-right: 0 !important; }
.pr-1 { padding-right: 4px !important; }
.pr-2 { padding-right: 8px !important; }
.pr-3 { padding-right: 12px !important; }
.pr-4 { padding-right: 16px !important; }

.px-0 { padding-left: 0 !important; padding-right: 0 !important; }
.px-1 { padding-left: 4px !important; padding-right: 4px !important; }
.px-2 { padding-left: 8px !important; padding-right: 8px !important; }
.px-3 { padding-left: 12px !important; padding-right: 12px !important; }
.px-4 { padding-left: 16px !important; padding-right: 16px !important; }
.px-5 { padding-left: 24px !important; padding-right: 24px !important; }

.py-0 { padding-top: 0 !important; padding-bottom: 0 !important; }
.py-1 { padding-top: 4px !important; padding-bottom: 4px !important; }
.py-2 { padding-top: 8px !important; padding-bottom: 8px !important; }
.py-3 { padding-top: 12px !important; padding-bottom: 12px !important; }
.py-4 { padding-top: 16px !important; padding-bottom: 16px !important; }
.py-5 { padding-top: 24px !important; padding-bottom: 24px !important; }

/* Shadow */
.shadow-none { box-shadow: none !important; }
.shadow-sm   { box-shadow: var(--shadow-sm) !important; }
.shadow      { box-shadow: var(--shadow) !important; }
.shadow-lg   { box-shadow: var(--shadow-lg) !important; }

/* Opacity */
.opacity-0   { opacity: 0 !important; }
.opacity-25  { opacity: 0.25 !important; }
.opacity-50  { opacity: 0.5 !important; }
.opacity-75  { opacity: 0.75 !important; }
.opacity-100 { opacity: 1 !important; }

/* Cursor */
.cursor-pointer { cursor: pointer !important; }
.cursor-default { cursor: default !important; }
.cursor-not-allowed { cursor: not-allowed !important; }

/* Pointer Events */
.pointer-events-none { pointer-events: none !important; }
.pointer-events-all  { pointer-events: all !important; }

/* User Select */
.select-none { user-select: none !important; }
.select-all  { user-select: all !important; }

/* Transition */
.transition { transition: all var(--transition) !important; }

/* Visibility */
.visible   { visibility: visible !important; }
.invisible { visibility: hidden !important; }

/* ============================================================
   21. GRID HELPERS
   ============================================================ */
.grid {
  display: grid;
  gap: 20px;
}

.grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1024px) {
  .grid-cols-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-cols-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .grid-cols-4,
  .grid-cols-3,
  .grid-cols-2 { grid-template-columns: 1fr; }
}

/* ============================================================
   22. PRINT STYLES
   ============================================================ */
@media print {
  .sidebar,
  .header,
  .header-right,
  .footer,
  .btn,
  .toast-container { display: none !important; }

  .main-content { margin-left: 0 !important; }
  .content-area { padding: 0; margin-top: 0; }
  body { background: #fff; color: #000; }
  .card { border: 1px solid #ccc; box-shadow: none; }
  table { font-size: 11px; }
}

/* ============================================================
   END OF APP.CSS
   ============================================================ */