/* ===== CSS VARIABLES ===== */
:root {
  --sidebar-w: 260px;
  --sidebar-collapsed-w: 72px;
  --header-h: 64px;
  --sidebar-bg: #0d1117;
  --sidebar-hover: #161b22;
  --sidebar-active: rgba(249, 115, 22, 0.12);
  --sidebar-text: #8b949e;
  --sidebar-text-active: #f97316;
  --accent: #f97316;
  --accent-hover: #ea580c;
  --accent-light: rgba(249, 115, 22, 0.1);
  --header-bg: #ffffff;
  --body-bg: #f1f5f9;
  --card-bg: #ffffff;
  --text-primary: #0f172a;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;
  --border: #e2e8f0;
  --success: #10b981;
  --danger: #ef4444;
  --warning: #f59e0b;
  --info: #06b6d4;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.05);
  --radius: 10px;
  --radius-sm: 6px;
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== RESET ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'DM Sans', sans-serif;
  background: var(--body-bg);
  color: var(--text-primary);
  line-height: 1.6;
  overflow: hidden;
  height: 100vh;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; border: none; outline: none; font-family: inherit; }
input, select, textarea { font-family: inherit; outline: none; }
h1,h2,h3,h4,h5,h6 { font-family: 'Space Grotesk', sans-serif; line-height: 1.3; }

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: #94a3b8; }

/* ===== LAYOUT ===== */
.admin-layout {
  /*display: flex;*/
  height: 100vh;
  overflow: hidden;
}

/* ===== SIDEBAR ===== */
.sidebar {
  width: var(--sidebar-w);
  min-width: var(--sidebar-w);
  height: 100vh;
  background: var(--sidebar-bg);
  position: fixed;
  left: 0; top: 0;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  overflow: hidden;
}
.sidebar.collapsed {
  width: var(--sidebar-collapsed-w);
  min-width: var(--sidebar-collapsed-w);
}
.sidebar-brand {
  height: var(--header-h);
  display: flex;
  align-items: center;
  padding: 0 20px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  gap: 12px;
  flex-shrink: 0;
}
.sidebar-brand .brand-icon {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--accent), #fb923c);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 18px; font-weight: 700;
  flex-shrink: 0;
}
.sidebar-brand .brand-text {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 20px; font-weight: 700; color: #fff;
  white-space: nowrap;
  transition: var(--transition);
}
.sidebar.collapsed .brand-text,
.sidebar.collapsed .menu-label,
.sidebar.collapsed .menu-text,
.sidebar.collapsed .menu-arrow,
.sidebar.collapsed .sidebar-footer-info { opacity: 0; width: 0; overflow: hidden; }

.sidebar-menu {
  flex: 1;
  overflow-y: auto;
  padding: 16px 12px;
}
.sidebar-menu::-webkit-scrollbar { width: 3px; }
.sidebar-menu::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 10px; }

.menu-label {
  font-size: 11px; font-weight: 600; text-transform: uppercase;
  letter-spacing: 1.2px; color: rgba(255,255,255,0.25);
  padding: 16px 12px 8px; white-space: nowrap;
  transition: var(--transition);
}
.menu-item {
  margin-bottom: 2px;
}
.menu-link {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 12px; border-radius: 8px;
  color: var(--sidebar-text);
  font-size: 14px; font-weight: 500;
  transition: var(--transition);
  white-space: nowrap;
  position: relative;
}
.menu-link:hover {
  background: var(--sidebar-hover);
  color: #e2e8f0;
}
.menu-link.active {
  background: var(--sidebar-active);
  color: var(--sidebar-text-active);
}
.menu-link.active::before {
  content: '';
  position: absolute; left: -12px; top: 50%;
  transform: translateY(-50%);
  width: 3px; height: 24px;
  background: var(--accent);
  border-radius: 0 4px 4px 0;
}
.menu-link i { font-size: 18px; width: 24px; text-align: center; flex-shrink: 0; }
.menu-text { transition: var(--transition); }
.menu-arrow {
  margin-left: auto; font-size: 12px;
  transition: transform 0.25s ease;
}
.menu-link.open .menu-arrow { transform: rotate(90deg); }

.submenu {
  max-height: 0; overflow: hidden;
  transition: max-height 0.3s ease;
}
.submenu.open { max-height: 300px; }
.submenu a {
  display: block; padding: 8px 12px 8px 48px;
  font-size: 13px; color: var(--sidebar-text);
  border-radius: 6px; transition: var(--transition);
}
.submenu a:hover { color: #e2e8f0; background: var(--sidebar-hover); }
.submenu a.active { color: var(--sidebar-text-active); }

.sidebar-footer {
  padding: 16px;
  border-top: 1px solid rgba(255,255,255,0.06);
  display: flex; align-items: center; gap: 12px;
  flex-shrink: 0;
}
.sidebar-footer img {
  width: 36px; height: 36px; border-radius: 50%; object-fit: cover;
  border: 2px solid rgba(249,115,22,0.4);
  flex-shrink: 0;
}
.sidebar-footer-info { white-space: nowrap; transition: var(--transition); }
.sidebar-footer-info h4 { color: #e2e8f0; font-size: 13px; font-weight: 600; }
.sidebar-footer-info span { color: var(--sidebar-text); font-size: 11px; }

/* ===== HEADER ===== */
.header {
  height: var(--header-h);
  background: var(--header-bg);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  position: fixed;
  top: 0;
  left: var(--sidebar-w);
  right: 0;
  z-index: 900;
  transition: var(--transition);
}
.sidebar.collapsed ~ .header { left: var(--sidebar-collapsed-w); }

.header-left { display: flex; align-items: center; gap: 16px; }
.header-right { display: flex; align-items: center; gap: 8px; }

.btn-toggle-sidebar {
  width: 38px; height: 38px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 8px; background: transparent;
  color: var(--text-secondary); font-size: 18px;
  transition: var(--transition);
}
.btn-toggle-sidebar:hover { background: var(--body-bg); color: var(--text-primary); }

.header-search {
  position: relative;
}
.header-search input {
  width: 280px; height: 40px;
  padding: 0 16px 0 40px;
  border: 1px solid var(--border);
  border-radius: 8px; font-size: 14px;
  background: var(--body-bg);
  transition: var(--transition);
}
.header-search input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-light);
}
.header-search i {
  position: absolute; left: 14px; top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted); font-size: 14px;
}

.header-btn {
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 8px; background: transparent;
  color: var(--text-secondary); font-size: 18px;
  transition: var(--transition); position: relative;
}
.header-btn:hover { background: var(--body-bg); color: var(--text-primary); }
.header-btn .badge-dot {
  position: absolute; top: 8px; right: 8px;
  width: 8px; height: 8px;
  background: var(--danger); border-radius: 50%;
  border: 2px solid var(--header-bg);
}

.header-profile {
  display: flex; align-items: center; gap: 10px;
  padding: 4px 12px 4px 4px;
  border-radius: 10px; cursor: pointer;
  transition: var(--transition);
  margin-left: 8px;
  position: relative;
}
.header-profile:hover { background: var(--body-bg); }
.header-profile img {
  width: 36px; height: 36px; border-radius: 8px; object-fit: cover;
}
.header-profile span { font-size: 14px; font-weight: 600; color: var(--text-primary); }
.header-profile i { font-size: 12px; color: var(--text-muted); }

/* Profile Dropdown */
.profile-dropdown {
  position: absolute; top: calc(100% + 8px); right: 0;
  width: 220px; background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  opacity: 0; visibility: hidden;
  transform: translateY(-8px);
  transition: var(--transition);
  z-index: 999;
  overflow: hidden;
}
.profile-dropdown.show { opacity: 1; visibility: visible; transform: translateY(0); }
.profile-dropdown a {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 16px; font-size: 14px;
  color: var(--text-secondary);
  transition: var(--transition);
}
.profile-dropdown a:hover { background: var(--body-bg); color: var(--text-primary); }
.profile-dropdown a i { width: 18px; text-align: center; }
.profile-dropdown hr { border: none; border-top: 1px solid var(--border); }

/* ===== MAIN CONTENT ===== */
.main-content {
  margin-left: var(--sidebar-w);
  margin-top: var(--header-h);
  height: calc(100vh - var(--header-h));
  overflow-y: auto;
  padding: 24px;
  transition: var(--transition);
}
.sidebar.collapsed ~ .main-content { margin-left: var(--sidebar-collapsed-w); }

/* ===== PAGE HEADER ===== */
.page-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 24px; flex-wrap: wrap; gap: 12px;
}
.page-header h1 { font-size: 26px; font-weight: 700; color: var(--text-primary); }
.page-header .breadcrumb {
  display: flex; align-items: center; gap: 6px;
  font-size: 13px; color: var(--text-muted);
}
.page-header .breadcrumb a { color: var(--text-secondary); transition: var(--transition); }
.page-header .breadcrumb a:hover { color: var(--accent); }

/* ===== CARDS ===== */
.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.card:hover { box-shadow: var(--shadow-md); }
.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 12px;
}
.card-header h3 { font-size: 16px; font-weight: 700; }
.card-body { padding: 20px; }
.card-footer {
  padding: 12px 20px;
  border-top: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
}

/* ===== STAT CARDS ===== */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-bottom: 24px;
}
.stat-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 20px;
  display: flex; align-items: flex-start; justify-content: space-between;
  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%;
  border-radius: 4px 0 0 4px;
}
.stat-card.orange::before { background: var(--accent); }
.stat-card.green::before { background: var(--success); }
.stat-card.cyan::before { background: var(--info); }
.stat-card.red::before { background: var(--danger); }

.stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.stat-info h3 { font-size: 28px; font-weight: 700; margin-bottom: 4px; }
.stat-info p { font-size: 13px; color: var(--text-secondary); }
.stat-info .trend {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 12px; font-weight: 600; margin-top: 8px;
  padding: 2px 8px; border-radius: 20px;
}
.stat-info .trend.up { color: var(--success); background: rgba(16,185,129,0.1); }
.stat-info .trend.down { color: var(--danger); background: rgba(239,68,68,0.1); }
.stat-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
}
.stat-card.orange .stat-icon { background: var(--accent-light); color: var(--accent); }
.stat-card.green .stat-icon { background: rgba(16,185,129,0.1); color: var(--success); }
.stat-card.cyan .stat-icon { background: rgba(6,182,212,0.1); color: var(--info); }
.stat-card.red .stat-icon { background: rgba(239,68,68,0.1); color: var(--danger); }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 9px 18px; border-radius: var(--radius-sm);
  font-size: 14px; font-weight: 600;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn-lg { padding: 12px 24px; font-size: 16px; }

.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(249,115,22,0.3); }
.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: #059669; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #dc2626; }
.btn-warning { background: var(--warning); color: #fff; }
.btn-warning:hover { background: #d97706; }
.btn-info { background: var(--info); color: #fff; }
.btn-info:hover { background: #0891b2; }

.btn-outline {
  background: transparent; border: 1px solid var(--border);
  color: var(--text-secondary);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }

.btn-ghost { background: transparent; color: var(--text-secondary); }
.btn-ghost:hover { background: var(--body-bg); color: var(--text-primary); }

/* ===== FORM ELEMENTS ===== */
.form-group { margin-bottom: 18px; }
.form-label {
  display: block; font-size: 13px; font-weight: 600;
  color: var(--text-primary); margin-bottom: 6px;
}
.form-label .required { color: var(--danger); }
.form-control {
  width: 100%; height: 42px;
  padding: 0 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px; color: var(--text-primary);
  background: #fff;
  transition: var(--transition);
}
.form-control:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-light);
}
.form-control::placeholder { color: var(--text-muted); }
textarea.form-control { height: auto; padding: 10px 14px; resize: vertical; min-height: 100px; }
select.form-control { cursor: pointer; appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24'%3E%3Cpath fill='%2364748b' d='M7 10l5 5 5-5z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; }

.form-check { display: flex; align-items: center; gap: 8px; cursor: pointer; }
.form-check input[type="checkbox"],
.form-check input[type="radio"] {
  width: 18px; height: 18px; accent-color: var(--accent); cursor: pointer;
}
.form-check label { font-size: 14px; color: var(--text-secondary); cursor: pointer; }

.form-switch {
  position: relative; width: 44px; height: 24px;
}
.form-switch input { opacity: 0; width: 0; height: 0; }
.form-switch .slider {
  position: absolute; inset: 0;
  background: #cbd5e1; border-radius: 24px;
  cursor: pointer; transition: var(--transition);
}
.form-switch .slider::before {
  content: '';
  position: absolute; left: 3px; top: 3px;
  width: 18px; height: 18px;
  background: #fff; border-radius: 50%;
  transition: var(--transition);
}
.form-switch input:checked + .slider { background: var(--accent); }
.form-switch input:checked + .slider::before { transform: translateX(20px); }

/* ===== TABLE ===== */
.table-wrapper { overflow-x: auto; }
.table {
  width: 100%; border-collapse: collapse;
  font-size: 14px;
}
.table th {
  padding: 12px 16px; text-align: left;
  font-size: 12px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.5px;
  color: var(--text-secondary);
  background: var(--body-bg);
  border-bottom: 2px solid var(--border);
  white-space: nowrap;
}
.table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  color: var(--text-primary);
  vertical-align: middle;
}
.table tr:hover td { background: rgba(249,115,22,0.03); }
.table .checkbox-td { width: 40px; }

/* ===== BADGES ===== */
.badge {
  display: inline-flex; align-items: center;
  padding: 3px 10px; border-radius: 20px;
  font-size: 12px; font-weight: 600;
}
.badge-success { background: rgba(16,185,129,0.1); color: var(--success); }
.badge-danger { background: rgba(239,68,68,0.1); color: var(--danger); }
.badge-warning { background: rgba(245,158,11,0.1); color: var(--warning); }
.badge-info { background: rgba(6,182,212,0.1); color: var(--info); }
.badge-primary { background: var(--accent-light); color: var(--accent); }
.badge-secondary { background: rgba(100,116,139,0.1); color: var(--text-secondary); }

/* ===== PAGINATION ===== */
.pagination {
  display: flex; align-items: center; gap: 4px;
}
.pagination button {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-sm);
  font-size: 13px; font-weight: 600;
  background: transparent; color: var(--text-secondary);
  transition: var(--transition);
}
.pagination button:hover { background: var(--body-bg); color: var(--text-primary); }
.pagination button.active { background: var(--accent); color: #fff; }
.pagination button:disabled { opacity: 0.4; cursor: not-allowed; }

/* ===== AVATAR ===== */
.avatar {
  width: 36px; height: 36px;
  border-radius: 8px; object-fit: cover;
}
.avatar-sm { width: 28px; height: 28px; border-radius: 6px; }
.avatar-lg { width: 48px; height: 48px; border-radius: 10px; }
.avatar-xl { width: 80px; height: 80px; border-radius: 16px; }
.avatar-circle { border-radius: 50%; }

/* ===== MODAL ===== */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(4px);
  z-index: 2000;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden;
  transition: var(--transition);
}
.modal-overlay.show { opacity: 1; visibility: visible; }
.modal {
  width: 90%; max-width: 520px;
  background: #fff; border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  transform: scale(0.9) translateY(20px);
  transition: var(--transition);
  max-height: 90vh; overflow-y: auto;
}
.modal-overlay.show .modal { transform: scale(1) translateY(0); }
.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
}
.modal-header h3 { font-size: 18px; font-weight: 700; }
.modal-close {
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 6px; background: transparent;
  color: var(--text-muted); font-size: 16px;
  transition: var(--transition);
}
.modal-close:hover { background: var(--body-bg); color: var(--text-primary); }
.modal-body { padding: 24px; }
.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  display: flex; justify-content: flex-end; gap: 8px;
}

/* ===== TOAST ===== */
.toast-container {
  position: fixed; top: 80px; right: 24px;
  z-index: 3000; display: flex; flex-direction: column; gap: 8px;
}
.toast {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 20px;
  background: #fff; border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  border-left: 4px solid var(--accent);
  transform: translateX(120%);
  transition: var(--transition);
  min-width: 300px;
}
.toast.show { transform: translateX(0); }
.toast.success { border-left-color: var(--success); }
.toast.error { border-left-color: var(--danger); }
.toast.warning { border-left-color: var(--warning); }
.toast.info { border-left-color: var(--info); }
.toast i { font-size: 20px; }
.toast.success i { color: var(--success); }
.toast.error i { color: var(--danger); }
.toast.warning i { color: var(--warning); }
.toast.info i { color: var(--info); }
.toast span { font-size: 14px; font-weight: 500; }
.toast .toast-close {
  margin-left: auto; background: transparent;
  color: var(--text-muted); font-size: 14px;
}

/* ===== AUTH PAGES ===== */
.auth-wrapper {
  min-height: 100vh;
  display: flex;
  background: var(--sidebar-bg);
  position: relative;
  overflow: hidden;
}
.auth-wrapper::before {
  content: '';
  position: absolute; top: -50%; right: -30%;
  width: 800px; height: 800px;
  background: radial-gradient(circle, rgba(249,115,22,0.15), transparent 70%);
  border-radius: 50%;
}
.auth-wrapper::after {
  content: '';
  position: absolute; bottom: -40%; left: -20%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(6,182,212,0.1), transparent 70%);
  border-radius: 50%;
}
.auth-left {
  flex: 1; display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  padding: 40px; position: relative; z-index: 1;
}
.auth-left .brand-area {
  text-align: center; color: #fff;
}
.auth-left .brand-area .icon {
  width: 64px; height: 64px;
  background: linear-gradient(135deg, var(--accent), #fb923c);
  border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  font-size: 28px; font-weight: 700; color: #fff;
  margin: 0 auto 20px;
}
.auth-left .brand-area h2 { font-size: 32px; font-weight: 700; margin-bottom: 12px; }
.auth-left .brand-area p { color: var(--sidebar-text); font-size: 16px; max-width: 400px; }
.auth-right {
  width: 520px;
  display: flex; align-items: center; justify-content: center;
  padding: 40px;
  position: relative; z-index: 1;
}
.auth-card {
  width: 100%; max-width: 420px;
  background: #fff; border-radius: 16px;
  padding: 40px;
  box-shadow: var(--shadow-lg);
}
.auth-card h2 { font-size: 24px; font-weight: 700; margin-bottom: 4px; }
.auth-card .subtitle { color: var(--text-secondary); font-size: 14px; margin-bottom: 28px; }
.auth-card .footer-text {
  text-align: center; margin-top: 20px;
  font-size: 14px; color: var(--text-secondary);
}
.auth-card .footer-text a { color: var(--accent); font-weight: 600; }
.auth-card .divider {
  display: flex; align-items: center; gap: 12px;
  margin: 20px 0; color: var(--text-muted); font-size: 13px;
}
.auth-card .divider::before, .auth-card .divider::after {
  content: ''; flex: 1; height: 1px; background: var(--border);
}

.social-btns { display: flex; gap: 12px; }
.social-btns button {
  flex: 1; height: 42px;
  display: flex; align-items: center; justify-content: center; gap: 8px;
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: #fff; font-size: 14px; font-weight: 500;
  color: var(--text-primary); transition: var(--transition);
}
.social-btns button:hover { border-color: var(--accent); background: var(--accent-light); }

/* ===== MEDIA GRID ===== */
.media-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
}
.media-item {
  border-radius: var(--radius);
  overflow: hidden; border: 1px solid var(--border);
  cursor: pointer; transition: var(--transition);
  position: relative; group: true;
}
.media-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.media-item img { width: 100%; height: 160px; object-fit: cover; }
.media-item .media-info { padding: 10px 12px; }
.media-item .media-info p { font-size: 13px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.media-item .media-info span { font-size: 11px; color: var(--text-muted); }
.media-item .media-check {
  position: absolute; top: 8px; right: 8px;
  width: 24px; height: 24px;
  border-radius: 6px; background: rgba(0,0,0,0.4);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 12px; opacity: 0;
  transition: var(--transition);
}
.media-item:hover .media-check { opacity: 1; }

/* ===== PROGRESS BAR ===== */
.progress-bar {
  width: 100%; height: 8px;
  background: var(--border); border-radius: 10px;
  overflow: hidden;
}
.progress-bar .progress-fill {
  height: 100%; border-radius: 10px;
  transition: width 0.6s ease;
}
.progress-fill.orange { background: var(--accent); }
.progress-fill.green { background: var(--success); }
.progress-fill.cyan { background: var(--info); }
.progress-fill.red { background: var(--danger); }

/* ===== TABS ===== */
.tabs {
  display: flex; gap: 4px;
  border-bottom: 2px solid var(--border);
  margin-bottom: 24px;
}
.tab-btn {
  padding: 10px 20px;
  font-size: 14px; font-weight: 600;
  color: var(--text-secondary);
  background: transparent;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: var(--transition);
}
.tab-btn:hover { color: var(--text-primary); }
.tab-btn.active { color: var(--accent); border-bottom-color: var(--accent); }

.tab-content { display: none; }
.tab-content.active { display: block; }

/* ===== GRID HELPERS ===== */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }

/* ===== RESPONSIVE ===== */
.sidebar-overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 999;
}

@media (max-width: 1024px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .header-search input { width: 200px; }
  .auth-left { display: none; }
  .auth-right { width: 100%; }
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
    width: var(--sidebar-w) !important;
    min-width: var(--sidebar-w) !important;
  }
  .sidebar.mobile-open { transform: translateX(0); }
  .sidebar-overlay.show { display: block; }
  .sidebar.collapsed ~ .header,
  .sidebar.collapsed ~ .main-content { margin-left: 0 !important; }
  .header { left: 0 !important; }
  .main-content { margin-left: 0 !important; }
  .stat-grid { grid-template-columns: 1fr; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .page-header { flex-direction: column; align-items: flex-start; }
  .header-search { display: none; }
  .header-profile span { display: none; }
  .media-grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); }
  .auth-card { padding: 24px; }
}

@media (max-width: 480px) {
  .main-content { padding: 16px; }
  .card-body { padding: 14px; }
  .card-header { padding: 12px 14px; }
  .media-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
.animate-in { animation: fadeInUp 0.5s ease forwards; }
.animate-in-delay-1 { animation-delay: 0.1s; opacity: 0; }
.animate-in-delay-2 { animation-delay: 0.2s; opacity: 0; }
.animate-in-delay-3 { animation-delay: 0.3s; opacity: 0; }
.animate-in-delay-4 { animation-delay: 0.4s; opacity: 0; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}