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

:root {
  --primary: #4f46e5;
  --primary-hover: #4338ca;
  --secondary: #10b981;
  --accent: #f59e0b;
  --danger: #ef4444;
  --bg-gradient: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  --sidebar-bg: rgba(15, 23, 42, 0.95);
  --card-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.1);
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --radius: 12px;
  --transition: all 0.3s ease;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Sarabun', 'Outfit', sans-serif;
  background: var(--bg-gradient);
  color: var(--text-main);
  min-height: 100vh;
  overflow-x: hidden;
}

h1, h2, h3 { font-family: 'Outfit', sans-serif; }

/* ===== DASHBOARD LAYOUT ===== */
.dashboard-container {
  display: flex;
  min-height: 100vh;
}

/* ===== GLASS CARD ===== */
.glass-card {
  background: var(--card-bg);
  backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
  transition: var(--transition);
}

.glass-card:hover {
  transform: translateY(-3px);
  border-color: rgba(255, 255, 255, 0.18);
}

/* ===== BUTTONS ===== */
.btn {
  padding: 0.7rem 1.4rem;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  font-weight: 600;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: inherit;
  font-size: 0.9rem;
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary);
  color: white;
}
.btn-primary:hover { background: var(--primary-hover); }

.btn-secondary {
  background: rgba(255,255,255,0.08);
  color: var(--text-main);
  border: 1px solid var(--glass-border);
}
.btn-secondary:hover { background: rgba(255,255,255,0.14); }

.btn-danger {
  background: rgba(239,68,68,0.15);
  color: var(--danger);
  border: 1px solid rgba(239,68,68,0.25);
}
.btn-danger:hover { background: rgba(239,68,68,0.28); }

/* ===== FORMS ===== */
.form-group { margin-bottom: 1.4rem; }

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--text-muted);
  font-size: 0.875rem;
}

.form-input {
  width: 100%;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--glass-border);
  border-radius: 8px;
  padding: 0.75rem;
  color: white;
  transition: var(--transition);
  font-family: inherit;
  font-size: 0.9rem;
}

.form-input:focus {
  outline: none;
  border-color: var(--primary);
  background: rgba(0, 0, 0, 0.3);
}

/* ===== BADGES ===== */
.badge {
  padding: 0.22rem 0.65rem;
  border-radius: 20px;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  white-space: nowrap;
}

.badge-pending  { background: rgba(245, 158, 11, 0.2); color: var(--accent); }
.badge-approved { background: rgba(16, 185, 129, 0.2); color: var(--secondary); }
.badge-returned { background: rgba(239, 68, 68, 0.2);  color: var(--danger); }

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

.animate-fade { animation: fadeIn 0.5s ease forwards; }

/* ===== PAGINATION ===== */
.pagination-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 0.4rem;
  margin-top: 1.5rem;
  padding: 1rem 0;
}

.page-btn {
  padding: 0.45rem 0.75rem;
  border-radius: 6px;
  background: var(--card-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-main);
  cursor: pointer;
  transition: var(--transition);
  font-size: 0.82rem;
  min-width: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.page-btn:hover:not(:disabled) {
  background: rgba(255,255,255,0.1);
  border-color: var(--primary);
}
.page-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
  font-weight: bold;
}
.page-btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* ===== SEARCH / FILTER BAR ===== */
.search-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  align-items: flex-end;
}

.search-input-group {
  flex: 1;
  min-width: 200px;
}

.filter-group {
  min-width: 160px;
}

/* ===== TABLE ===== */
.table-container { overflow-x: auto; margin-top: 1.5rem; }

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 480px;
}

th, td {
  padding: 0.85rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--glass-border);
  font-size: 0.875rem;
}

th { color: var(--text-muted); font-weight: 600; white-space: nowrap; }

tbody tr { transition: var(--transition); }
tbody tr:hover { background: rgba(255,255,255,0.03); }

/* ===== CUSTOM SELECT ===== */
select.form-input option { background: #1e293b; color: white; }

/* ===== RESPONSIVE: Tablet (≤ 1024px) ===== */
@media (max-width: 1024px) {
  .glass-card:hover { transform: none; }

  .search-filter-bar { gap: 0.6rem; }
  .filter-group { min-width: 140px; }
}

/* ===== RESPONSIVE: Mobile (≤ 640px) ===== */
@media (max-width: 640px) {
  h1 { font-size: 1.25rem; }
  h2 { font-size: 1.1rem; }
  h3 { font-size: 1rem; }

  .glass-card { padding: 1rem; }

  .btn { padding: 0.55rem 0.9rem; font-size: 0.82rem; }

  th, td { padding: 0.6rem 0.5rem; font-size: 0.78rem; }

  .search-filter-bar { flex-direction: column; }
  .search-input-group,
  .filter-group { width: 100%; min-width: unset; }

  .pagination-container { gap: 0.3rem; }
  .page-btn { min-width: 30px; padding: 0.4rem 0.55rem; font-size: 0.78rem; }
}