/*=============================================================
  styles.css — Glassmorphism Design System
  โทนสี: ฟ้า-ขาว-น้ำเงิน-ดำ
=============================================================*/

/* ── Google Fonts ── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Noto+Sans+Thai:wght@300;400;500;600;700&family=Prompt:wght@300;400;500;600;700&family=Sarabun:wght@300;400;500;600;700&display=swap');

/* ─── CSS Variables / Design Tokens ─── */
:root {
  /* Primary Palette */
  --c-primary: #2563eb;
  --c-primary-light: #60a5fa;
  --c-primary-dark: #1d4ed8;
  --c-primary-glow: rgba(37, 99, 235, 0.4);
  
  /* Accent */
  --c-accent: #0ea5e9;
  --c-accent-light: #38bdf8;
  
  /* Neutrals */
  --c-navy: #0f172a;
  --c-navy-light: #1e293b;
  --c-dark: #020617;
  --c-white: #ffffff;
  --c-gray-50: #f8fafc;
  --c-gray-100: #f1f5f9;
  --c-gray-200: #e2e8f0;
  --c-gray-300: #cbd5e1;
  --c-gray-400: #94a3b8;
  --c-gray-500: #64748b;
  --c-gray-600: #475569;
  
  /* Status */
  --c-success: #10b981;
  --c-warning: #f59e0b;
  --c-danger: #ef4444;
  --c-info: #3b82f6;
  
  /* Glass Effect */
  --glass-bg: rgba(255, 255, 255, 0.08);
  --glass-bg-light: rgba(255, 255, 255, 0.12);
  --glass-bg-strong: rgba(255, 255, 255, 0.18);
  --glass-border: rgba(255, 255, 255, 0.15);
  --glass-border-strong: rgba(255, 255, 255, 0.25);
  --glass-blur: 20px;
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  --glass-shadow-lg: 0 16px 64px rgba(0, 0, 0, 0.4);
  
  /* Typography */
  --font-primary: 'Inter', 'Noto Sans Thai', 'Prompt', 'Sarabun', sans-serif;
  --font-body: 'Noto Sans Thai', 'Sarabun', 'Prompt', sans-serif;
  --fs-xs: 0.75rem;
  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-lg: 1.125rem;
  --fs-xl: 1.25rem;
  --fs-2xl: 1.5rem;
  --fs-3xl: 1.875rem;
  --fs-4xl: 2.25rem;
  
  /* Spacing */
  --sp-1: 0.25rem;
  --sp-2: 0.5rem;
  --sp-3: 0.75rem;
  --sp-4: 1rem;
  --sp-5: 1.25rem;
  --sp-6: 1.5rem;
  --sp-8: 2rem;
  --sp-10: 2.5rem;
  --sp-12: 3rem;
  --sp-16: 4rem;
  
  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  --transition-spring: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ─── Reset & Base ─── */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--c-white);
  background: var(--c-dark);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
}

/* ─── Animated Background ─── */
.bg-animated {
  position: fixed;
  inset: 0;
  z-index: -1;
  background: linear-gradient(135deg, var(--c-dark), var(--c-navy), #0c2d6b, var(--c-navy-light));
  background-size: 400% 400%;
  animation: gradientShift 15s ease infinite;
}

.bg-animated::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 50%, rgba(37, 99, 235, 0.15) 0%, transparent 50%),
              radial-gradient(circle at 70% 30%, rgba(14, 165, 233, 0.1) 0%, transparent 50%),
              radial-gradient(circle at 50% 80%, rgba(96, 165, 250, 0.08) 0%, transparent 50%);
  animation: orbFloat 20s ease-in-out infinite;
}

@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  25% { background-position: 100% 0%; }
  50% { background-position: 100% 100%; }
  75% { background-position: 0% 100%; }
}

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  25% { transform: translate(2%, -3%) rotate(90deg); }
  50% { transform: translate(-1%, 2%) rotate(180deg); }
  75% { transform: translate(3%, 1%) rotate(270deg); }
}

/* ─── Glass Card ─── */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--glass-shadow);
  transition: all var(--transition-base);
}

.glass:hover {
  background: var(--glass-bg-light);
  border-color: var(--glass-border-strong);
  box-shadow: var(--glass-shadow-lg);
  transform: translateY(-2px);
}

.glass-strong {
  background: var(--glass-bg-strong);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  border: 1px solid var(--glass-border-strong);
  border-radius: var(--radius-lg);
  box-shadow: var(--glass-shadow-lg);
}

.glass-static {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--glass-shadow);
}

/* ─── Layout ─── */
.app-container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.main-content {
  flex: 1;
  padding: var(--sp-6) var(--sp-4);
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--sp-4);
  width: 100%;
}

/* ─── Grid System ─── */
.grid { display: grid; gap: var(--sp-6); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* ─── Flex Utilities ─── */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-2 { gap: var(--sp-2); }
.gap-3 { gap: var(--sp-3); }
.gap-4 { gap: var(--sp-4); }
.gap-6 { gap: var(--sp-6); }

/* ─── Header / Banner ─── */
.app-header {
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--glass-border);
  position: sticky;
  top: 0;
  z-index: 100;
  padding: var(--sp-3) 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--sp-4);
}

.header-brand {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  text-decoration: none;
  color: var(--c-white);
}

.header-logo-img {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  object-fit: contain;
  flex-shrink: 0;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.3));
}

.header-logo {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  object-fit: contain;
  background: var(--glass-bg-light);
  padding: 4px;
}

.header-logo-text {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-primary);
  font-weight: 700;
  font-size: var(--fs-sm);
  color: var(--c-white);
  flex-shrink: 0;
}

.header-titles h1 {
  font-family: var(--font-primary);
  font-size: var(--fs-lg);
  font-weight: 600;
  line-height: 1.2;
  background: linear-gradient(135deg, var(--c-white), var(--c-primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.header-titles p {
  font-size: var(--fs-xs);
  color: var(--c-gray-400);
  line-height: 1.2;
}

.header-user {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

.header-user-info {
  text-align: right;
}

.header-user-info .name {
  font-family: var(--font-primary);
  font-weight: 500;
  font-size: var(--fs-sm);
}

.header-user-info .role {
  font-size: var(--fs-xs);
  color: var(--c-accent-light);
}

.header-avatar {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: var(--fs-base);
  border: 2px solid var(--glass-border-strong);
  cursor: pointer;
  transition: all var(--transition-base);
}

.header-avatar:hover {
  transform: scale(1.08);
  border-color: var(--c-primary-light);
}

/* ─── Navigation ─── */
.app-nav {
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--glass-border);
  padding: 0;
  overflow-x: auto;
}

.nav-list {
  display: flex;
  list-style: none;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--sp-4);
  gap: var(--sp-1);
}

.nav-item {
  flex-shrink: 0;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-4);
  color: var(--c-gray-400);
  text-decoration: none;
  font-family: var(--font-primary);
  font-size: var(--fs-sm);
  font-weight: 400;
  border-bottom: 3px solid transparent;
  transition: all var(--transition-base);
  white-space: nowrap;
  cursor: pointer;
}

.nav-link:hover {
  color: var(--c-white);
  background: var(--glass-bg);
}

.nav-link.active {
  color: var(--c-white);
  border-bottom-color: var(--c-primary);
  background: var(--glass-bg);
  font-weight: 500;
}

.nav-icon {
  font-size: var(--fs-lg);
}

.nav-icon-svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* ── Lucide Icon Sizes ── */
.icon {
  width: 20px;
  height: 20px;
  display: inline-block;
  vertical-align: middle;
}

.icon-sm {
  width: 16px;
  height: 16px;
  display: inline-block;
  vertical-align: middle;
}

.icon-lg {
  width: 32px;
  height: 32px;
  display: inline-block;
  vertical-align: middle;
}

.icon-xl {
  width: 48px;
  height: 48px;
  display: inline-block;
  vertical-align: middle;
  color: var(--c-gray-400);
}

/* Mobile hamburger */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--c-white);
  font-size: var(--fs-2xl);
  cursor: pointer;
  padding: var(--sp-2);
}

@media (max-width: 768px) {
  .nav-toggle { display: block; }
  .nav-list {
    display: none;
    flex-direction: column;
    padding: var(--sp-2) var(--sp-4);
  }
  .nav-list.show { display: flex; }
  .nav-link { border-bottom: none; border-left: 3px solid transparent; }
  .nav-link.active { border-left-color: var(--c-primary); }
}

/* ─── Footer ─── */
.app-footer {
  background: rgba(15, 23, 42, 0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid var(--glass-border);
  padding: var(--sp-8) 0 var(--sp-4);
  margin-top: auto;
}

.footer-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--sp-4);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--sp-8);
  margin-bottom: var(--sp-6);
}

.footer-brand h3 {
  font-family: var(--font-primary);
  font-size: var(--fs-lg);
  margin-bottom: var(--sp-2);
  background: linear-gradient(135deg, var(--c-white), var(--c-primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-brand p {
  font-size: var(--fs-sm);
  color: var(--c-gray-400);
  line-height: 1.6;
}

.footer-section h4 {
  font-family: var(--font-primary);
  font-size: var(--fs-sm);
  font-weight: 600;
  margin-bottom: var(--sp-3);
  color: var(--c-primary-light);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-section ul {
  list-style: none;
}

.footer-section li {
  margin-bottom: var(--sp-2);
}

.footer-section a,
.footer-section span {
  font-size: var(--fs-sm);
  color: var(--c-gray-400);
  text-decoration: none;
  transition: color var(--transition-fast);
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

.footer-section a:hover {
  color: var(--c-white);
}

.footer-bottom {
  border-top: 1px solid var(--glass-border);
  padding-top: var(--sp-4);
  text-align: center;
  font-size: var(--fs-xs);
  color: var(--c-gray-500);
}

@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr; gap: var(--sp-6); }
}

/* ─── Page Headers ─── */
.page-header {
  margin-bottom: var(--sp-8);
}

.page-title {
  font-family: var(--font-primary);
  font-size: var(--fs-3xl);
  font-weight: 700;
  background: linear-gradient(135deg, var(--c-white), var(--c-primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--sp-2);
}

.page-subtitle {
  font-size: var(--fs-base);
  color: var(--c-gray-400);
}

/* ─── Stats Cards ─── */
.stat-card {
  padding: var(--sp-6);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--c-primary), var(--c-accent));
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.stat-icon {
  font-size: var(--fs-3xl);
  margin-bottom: var(--sp-3);
  display: inline-block;
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

.stat-value {
  font-family: var(--font-primary);
  font-size: var(--fs-4xl);
  font-weight: 700;
  color: var(--c-white);
  line-height: 1;
  margin-bottom: var(--sp-1);
}

.stat-label {
  font-size: var(--fs-sm);
  color: var(--c-gray-400);
  font-weight: 400;
}

/* ─── Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-6);
  font-family: var(--font-primary);
  font-size: var(--fs-sm);
  font-weight: 500;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.1), transparent);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn:hover::after { opacity: 1; }
.btn:active { transform: scale(0.97); }

.btn-primary {
  background: linear-gradient(135deg, var(--c-primary), var(--c-primary-dark));
  color: var(--c-white);
  box-shadow: 0 4px 16px var(--c-primary-glow);
}

.btn-primary:hover {
  box-shadow: 0 6px 24px var(--c-primary-glow);
  transform: translateY(-2px);
}

.btn-success {
  background: linear-gradient(135deg, var(--c-success), #059669);
  color: var(--c-white);
  box-shadow: 0 4px 16px rgba(16, 185, 129, 0.3);
}

.btn-danger {
  background: linear-gradient(135deg, var(--c-danger), #dc2626);
  color: var(--c-white);
  box-shadow: 0 4px 16px rgba(239, 68, 68, 0.3);
}

.btn-warning {
  background: linear-gradient(135deg, var(--c-warning), #d97706);
  color: var(--c-dark);
  box-shadow: 0 4px 16px rgba(245, 158, 11, 0.3);
}

.btn-ghost {
  background: var(--glass-bg);
  color: var(--c-white);
  border: 1px solid var(--glass-border);
}

.btn-ghost:hover {
  background: var(--glass-bg-light);
  border-color: var(--glass-border-strong);
}

.btn-sm { padding: var(--sp-2) var(--sp-4); font-size: var(--fs-xs); }
.btn-lg { padding: var(--sp-4) var(--sp-8); font-size: var(--fs-base); }
.btn-block { width: 100%; }

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

/* ─── Forms ─── */
.form-group {
  margin-bottom: var(--sp-5);
}

.form-label {
  display: block;
  font-family: var(--font-primary);
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--c-gray-200);
  margin-bottom: var(--sp-2);
}

.form-label .required {
  color: var(--c-danger);
  margin-left: var(--sp-1);
}

.form-control {
  width: 100%;
  padding: var(--sp-3) var(--sp-4);
  font-family: var(--font-body);
  font-size: var(--fs-base);
  color: var(--c-white);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  outline: none;
  transition: all var(--transition-base);
}

.form-control::placeholder {
  color: var(--c-gray-500);
}

.form-control:focus {
  border-color: var(--c-primary);
  box-shadow: 0 0 0 3px var(--c-primary-glow);
  background: rgba(255, 255, 255, 0.1);
}

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2394a3b8' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

select.form-control option {
  background: var(--c-navy);
  color: var(--c-white);
}

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

.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-4);
}

@media (max-width: 640px) {
  .form-row { grid-template-columns: 1fr; }
}

.form-help {
  font-size: var(--fs-xs);
  color: var(--c-gray-500);
  margin-top: var(--sp-1);
}

.form-error {
  font-size: var(--fs-xs);
  color: var(--c-danger);
  margin-top: var(--sp-1);
}

/* ─── File Upload ─── */
.file-upload {
  border: 2px dashed var(--glass-border);
  border-radius: var(--radius-md);
  padding: var(--sp-8) var(--sp-4);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-base);
  background: rgba(255, 255, 255, 0.03);
}

.file-upload:hover {
  border-color: var(--c-primary);
  background: rgba(37, 99, 235, 0.05);
}

.file-upload-icon {
  font-size: var(--fs-4xl);
  margin-bottom: var(--sp-2);
}

.file-upload-text {
  color: var(--c-gray-400);
  font-size: var(--fs-sm);
}

.file-upload-text strong {
  color: var(--c-primary-light);
}

/* ─── Tables ─── */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-lg);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--fs-sm);
}

.data-table th {
  font-family: var(--font-primary);
  font-weight: 600;
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--c-gray-400);
  padding: var(--sp-3) var(--sp-4);
  text-align: left;
  border-bottom: 1px solid var(--glass-border);
  white-space: nowrap;
}

.data-table td {
  padding: var(--sp-3) var(--sp-4);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--c-gray-200);
}

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

.data-table tbody tr:hover {
  background: var(--glass-bg);
}

/* ─── Badges ─── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  padding: var(--sp-1) var(--sp-3);
  font-family: var(--font-primary);
  font-size: var(--fs-xs);
  font-weight: 500;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.badge-pending {
  background: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-approved {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-rejected {
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.badge-cancelled {
  background: rgba(107, 114, 128, 0.15);
  color: #9ca3af;
  border: 1px solid rgba(107, 114, 128, 0.3);
}

/* ─── Modals ─── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: var(--sp-4);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

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

.modal-content {
  background: var(--c-navy);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--glass-shadow-lg);
  width: 100%;
  max-width: 540px;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.9) translateY(20px);
  transition: transform var(--transition-spring);
}

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

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-5) var(--sp-6);
  border-bottom: 1px solid var(--glass-border);
}

.modal-title {
  font-family: var(--font-primary);
  font-size: var(--fs-lg);
  font-weight: 600;
}

.modal-close {
  background: none;
  border: none;
  color: var(--c-gray-400);
  font-size: var(--fs-xl);
  cursor: pointer;
  padding: var(--sp-1);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  line-height: 1;
}

.modal-close:hover {
  color: var(--c-white);
  background: var(--glass-bg);
}

.modal-body {
  padding: var(--sp-6);
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--sp-3);
  padding: var(--sp-4) var(--sp-6);
  border-top: 1px solid var(--glass-border);
}

/* ─── Toast Notifications ─── */
.toast-container {
  position: fixed;
  top: var(--sp-4);
  right: var(--sp-4);
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  pointer-events: none;
}

.toast {
  background: var(--c-navy);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: var(--sp-4) var(--sp-5);
  min-width: 320px;
  max-width: 420px;
  box-shadow: var(--glass-shadow-lg);
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  pointer-events: auto;
  transform: translateX(120%);
  transition: transform var(--transition-spring);
}

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

.toast-success { border-left: 4px solid var(--c-success); }
.toast-danger { border-left: 4px solid var(--c-danger); }
.toast-warning { border-left: 4px solid var(--c-warning); }
.toast-info { border-left: 4px solid var(--c-info); }

.toast-icon { font-size: var(--fs-xl); flex-shrink: 0; padding-top: 1px; }
.toast-body { flex: 1; }

.toast-title {
  font-family: var(--font-primary);
  font-weight: 600;
  font-size: var(--fs-sm);
  margin-bottom: 2px;
}

.toast-message {
  font-size: var(--fs-sm);
  color: var(--c-gray-300);
}

.toast-close-btn {
  background: none;
  border: none;
  color: var(--c-gray-500);
  cursor: pointer;
  font-size: var(--fs-base);
  padding: 0;
  line-height: 1;
}

/* ─── Loading Spinner ─── */
.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 3000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.loading-overlay.show {
  opacity: 1;
  visibility: visible;
}

.spinner {
  width: 48px;
  height: 48px;
  border: 3px solid var(--glass-border);
  border-top-color: var(--c-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.loading-text {
  margin-top: var(--sp-4);
  font-family: var(--font-primary);
  font-size: var(--fs-sm);
  color: var(--c-gray-300);
}

/* ─── Tabs ─── */
.tabs {
  display: flex;
  gap: var(--sp-1);
  margin-bottom: var(--sp-6);
  border-bottom: 1px solid var(--glass-border);
  overflow-x: auto;
}

.tab-btn {
  padding: var(--sp-3) var(--sp-5);
  font-family: var(--font-primary);
  font-size: var(--fs-sm);
  font-weight: 400;
  color: var(--c-gray-400);
  background: none;
  border: none;
  border-bottom: 3px solid transparent;
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
}

.tab-btn:hover {
  color: var(--c-white);
}

.tab-btn.active {
  color: var(--c-white);
  font-weight: 500;
  border-bottom-color: var(--c-primary);
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

/* ─── Section ─── */
.section {
  padding: var(--sp-6);
  margin-bottom: var(--sp-6);
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--sp-5);
  flex-wrap: wrap;
  gap: var(--sp-3);
}

.section-title {
  font-family: var(--font-primary);
  font-size: var(--fs-xl);
  font-weight: 600;
}

/* ─── Empty State ─── */
.empty-state {
  text-align: center;
  padding: var(--sp-16) var(--sp-4);
}

.empty-icon {
  font-size: 4rem;
  margin-bottom: var(--sp-4);
  opacity: 0.5;
}

.empty-title {
  font-family: var(--font-primary);
  font-size: var(--fs-xl);
  color: var(--c-gray-300);
  margin-bottom: var(--sp-2);
}

.empty-text {
  font-size: var(--fs-sm);
  color: var(--c-gray-500);
}

/* ─── Login Page (Split Panel) ─── */
.login-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: stretch;
}

/* Left Image Panel */
.login-panel-left {
  flex: 1;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  min-height: 100vh;
}

.login-panel-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.login-panel-overlay {
  position: relative;
  z-index: 2;
  padding: var(--sp-10);
  background: linear-gradient(to top, rgba(2, 6, 23, 0.95), rgba(2, 6, 23, 0.6) 60%, transparent);
  width: 100%;
}

.login-panel-overlay h2 {
  font-family: var(--font-primary);
  font-size: var(--fs-3xl);
  font-weight: 700;
  background: linear-gradient(135deg, var(--c-white), var(--c-primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--sp-3);
}

.login-panel-overlay p {
  font-size: var(--fs-base);
  color: var(--c-gray-300);
  line-height: 1.8;
  margin-bottom: var(--sp-6);
}

.login-panel-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-3);
}

.login-feature {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-4);
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  font-size: var(--fs-sm);
  color: var(--c-gray-200);
  transition: all var(--transition-base);
}

.login-feature:hover {
  background: rgba(255, 255, 255, 0.14);
  transform: translateY(-2px);
}

/* Right Form Panel */
.login-panel-right {
  flex: 0 0 480px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--sp-6);
  background: rgba(15, 23, 42, 0.5);
  backdrop-filter: blur(20px);
}

.login-card {
  width: 100%;
  max-width: 400px;
  padding: var(--sp-10);
}

.login-header {
  text-align: center;
  margin-bottom: var(--sp-8);
}

.login-logo {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-xl);
  object-fit: contain;
  margin: 0 auto var(--sp-5);
  display: block;
  filter: drop-shadow(0 8px 24px var(--c-primary-glow));
  animation: float 3s ease-in-out infinite;
}

.login-icon {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--fs-3xl);
  margin: 0 auto var(--sp-5);
  box-shadow: 0 8px 32px var(--c-primary-glow);
  animation: float 3s ease-in-out infinite;
}

.login-title {
  font-family: var(--font-primary);
  font-size: var(--fs-2xl);
  font-weight: 700;
  background: linear-gradient(135deg, var(--c-white), var(--c-primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--sp-2);
}

.login-subtitle {
  font-size: var(--fs-sm);
  color: var(--c-gray-400);
}

.login-footer {
  text-align: center;
  margin-top: var(--sp-6);
  padding-top: var(--sp-5);
  border-top: 1px solid var(--glass-border);
}

.login-footer p {
  font-size: var(--fs-xs);
  color: var(--c-gray-500);
}

/* Login Mobile */
@media (max-width: 960px) {
  .login-wrapper {
    flex-direction: column;
  }
  .login-panel-left {
    min-height: 280px;
    flex: none;
  }
  .login-panel-right {
    flex: 1;
    padding: var(--sp-4);
  }
  .login-panel-features {
    grid-template-columns: 1fr;
  }
  .login-panel-overlay h2 {
    font-size: var(--fs-2xl);
  }
}

@media (max-width: 480px) {
  .login-card {
    padding: var(--sp-6);
  }
}

/* ─── Floating Controls (bottom-right) ─── */
.floating-controls {
  position: fixed;
  bottom: var(--sp-6);
  right: var(--sp-6);
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  z-index: 500;
}

.fab-btn {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  color: var(--c-gray-300);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-base);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

.fab-btn:hover {
  background: var(--c-primary);
  color: var(--c-white);
  border-color: var(--c-primary);
  transform: scale(1.1);
  box-shadow: 0 6px 24px var(--c-primary-glow);
}

.fab-btn svg {
  width: 20px;
  height: 20px;
}

/* Scroll-to-top: hidden by default, shown when scrolled */
#btn-scroll-top {
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: all var(--transition-base);
}

#btn-scroll-top.show {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

/* ═══════════════════════════════════════
   LIGHT THEME
   ═══════════════════════════════════════ */
[data-theme="light"] {
  --c-navy: #f0f4f8;
  --c-navy-light: #e2e8f0;
  --c-dark: #f8fafc;
  --c-white: #1e293b;
  --c-gray-50: #0f172a;
  --c-gray-100: #1e293b;
  --c-gray-200: #334155;
  --c-gray-300: #475569;
  --c-gray-400: #64748b;
  --c-gray-500: #94a3b8;
  --c-gray-600: #cbd5e1;

  --glass-bg: rgba(255, 255, 255, 0.65);
  --glass-bg-light: rgba(255, 255, 255, 0.75);
  --glass-bg-strong: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(0, 0, 0, 0.08);
  --glass-border-strong: rgba(0, 0, 0, 0.15);
  --glass-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
  --glass-shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.08);
}

[data-theme="light"] body {
  color: #1e293b;
  background: #f0f4f8;
}

[data-theme="light"] .bg-animated {
  background: linear-gradient(135deg, #e0eafc, #cfdef3, #dfe9f3, #e8eef5);
  background-size: 400% 400%;
  animation: gradientShift 15s ease infinite;
}

[data-theme="light"] .bg-animated::before {
  background: radial-gradient(circle at 30% 50%, rgba(37, 99, 235, 0.08) 0%, transparent 50%),
              radial-gradient(circle at 70% 30%, rgba(14, 165, 233, 0.06) 0%, transparent 50%);
}

[data-theme="light"] .app-header {
  background: rgba(255, 255, 255, 0.85);
  border-bottom-color: rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .app-nav {
  background: rgba(255, 255, 255, 0.7);
  border-bottom-color: rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .app-footer {
  background: rgba(255, 255, 255, 0.9);
  border-top-color: rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .header-avatar {
  color: white;
}

[data-theme="light"] .login-title {
  background: linear-gradient(135deg, #1e293b, var(--c-primary));
  -webkit-background-clip: text;
  background-clip: text;
}

[data-theme="light"] .login-panel-right {
  background: rgba(255, 255, 255, 0.4);
}

[data-theme="light"] .form-control {
  background: rgba(0, 0, 0, 0.04);
  border-color: rgba(0, 0, 0, 0.12);
  color: #1e293b;
}

[data-theme="light"] .form-control::placeholder {
  color: #94a3b8;
}

[data-theme="light"] .form-control:focus {
  background: rgba(255, 255, 255, 0.9);
  border-color: var(--c-primary);
}

[data-theme="light"] .modal-content {
  background: #ffffff;
}

[data-theme="light"] .data-table td {
  color: #334155;
  border-bottom-color: rgba(0, 0, 0, 0.05);
}

[data-theme="light"] .data-table tbody tr:hover {
  background: rgba(37, 99, 235, 0.04);
}

[data-theme="light"] .toast {
  background: #ffffff;
  border-color: rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .user-dropdown {
  background: #ffffff;
}

[data-theme="light"] .fab-btn {
  background: rgba(255, 255, 255, 0.85);
  border-color: rgba(0, 0, 0, 0.1);
  color: #475569;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .stat-value {
  color: #1e293b;
}

[data-theme="light"] .page-title {
  background: linear-gradient(135deg, #1e293b, var(--c-primary));
  -webkit-background-clip: text;
  background-clip: text;
}

[data-theme="light"] .header-titles h1 {
  background: linear-gradient(135deg, #1e293b, var(--c-primary));
  -webkit-background-clip: text;
  background-clip: text;
}

[data-theme="light"] .footer-brand h3 {
  background: linear-gradient(135deg, #1e293b, var(--c-primary));
  -webkit-background-clip: text;
  background-clip: text;
}

[data-theme="light"] select.form-control option {
  background: #ffffff;
  color: #1e293b;
}

/* ─── Detail Card ─── */
.detail-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: var(--sp-3) 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  gap: var(--sp-4);
}

.detail-row:last-child { border-bottom: none; }

.detail-label {
  font-size: var(--fs-sm);
  color: var(--c-gray-400);
  white-space: nowrap;
  min-width: 120px;
}

.detail-value {
  font-size: var(--fs-sm);
  color: var(--c-white);
  text-align: right;
  word-break: break-word;
}

/* ─── Pagination ─── */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  margin-top: var(--sp-6);
}

.page-btn {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  color: var(--c-gray-400);
  font-size: var(--fs-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.page-btn:hover {
  background: var(--glass-bg-light);
  color: var(--c-white);
}

.page-btn.active {
  background: var(--c-primary);
  border-color: var(--c-primary);
  color: var(--c-white);
}

/* ─── Search Bar ─── */
.search-bar {
  position: relative;
}

.search-bar input {
  padding-left: 40px;
}

.search-bar::before {
  content: '🔍';
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  font-size: var(--fs-sm);
}

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

@keyframes slideIn {
  from { opacity: 0; transform: translateX(-20px); }
  to { opacity: 1; transform: translateX(0); }
}

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

.stagger-1 { animation-delay: 0.05s; }
.stagger-2 { animation-delay: 0.1s; }
.stagger-3 { animation-delay: 0.15s; }
.stagger-4 { animation-delay: 0.2s; }

/* ─── Separator ─── */
.separator {
  height: 1px;
  background: var(--glass-border);
  margin: var(--sp-6) 0;
}

/* ─── Scrollbar ─── */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--c-gray-600);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--c-gray-500);
}

/* ─── Helpers ─── */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--c-gray-400); }
.text-success { color: var(--c-success); }
.text-danger { color: var(--c-danger); }
.text-warning { color: var(--c-warning); }
.text-primary { color: var(--c-primary-light); }
.fw-500 { font-weight: 500; }
.fw-600 { font-weight: 600; }
.mt-4 { margin-top: var(--sp-4); }
.mt-6 { margin-top: var(--sp-6); }
.mb-4 { margin-bottom: var(--sp-4); }
.mb-6 { margin-bottom: var(--sp-6); }
.p-4 { padding: var(--sp-4); }
.p-6 { padding: var(--sp-6); }
.hidden { display: none !important; }

/* ─── Profile Card ─── */
.profile-header {
  display: flex;
  align-items: center;
  gap: var(--sp-6);
  margin-bottom: var(--sp-6);
}

.profile-avatar {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--fs-3xl);
  font-weight: 700;
  font-family: var(--font-primary);
  border: 3px solid var(--glass-border-strong);
  flex-shrink: 0;
}

.profile-info h2 {
  font-family: var(--font-primary);
  font-size: var(--fs-xl);
  font-weight: 600;
  margin-bottom: var(--sp-1);
}

.profile-info p {
  font-size: var(--fs-sm);
  color: var(--c-gray-400);
}

/* ─── Logout Button ─── */
.btn-logout {
  background: rgba(239, 68, 68, 0.1);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.2);
  padding: var(--sp-2) var(--sp-4);
  font-size: var(--fs-xs);
}

.btn-logout:hover {
  background: rgba(239, 68, 68, 0.2);
  border-color: rgba(239, 68, 68, 0.4);
}

/* ─── Filter Bar ─── */
.filter-bar {
  display: flex;
  gap: var(--sp-3);
  flex-wrap: wrap;
  margin-bottom: var(--sp-5);
}

.filter-bar .form-control {
  width: auto;
  min-width: 180px;
}

@media (max-width: 640px) {
  .filter-bar { flex-direction: column; }
  .filter-bar .form-control { width: 100%; min-width: auto; }
}