/* ============================================================
   VPS Client Management System — Style Sheet
   Modern SaaS dashboard · Glassmorphism · Dark mode
   ============================================================ */

/* ---------- CSS Variables ---------- */
:root {
  --color-primary: #6366f1;
  --color-primary-hover: #4f46e5;
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-danger: #ef4444;
  --color-info: #3b82f6;
  --color-bg: #f8fafc;
  --color-white: #ffffff;
  --color-text: #0f172a;
  --color-text-muted: #64748b;
  --color-border: #e2e8f0;
  --color-sidebar-bg: rgba(255, 255, 255, 0.85);
  --color-sidebar-border: rgba(0, 0, 0, 0.06);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.08);
  --radius-card: 12px;
  --radius-input: 8px;
  --sidebar-width: 260px;
  --header-height: 60px;
  --transition: 0.2s ease;
}

[data-theme='dark'] {
  --color-bg: #0f1117;
  --color-white: #1a1d27;
  --color-text: #e4e4e7;
  --color-text-muted: #9ca3af;
  --color-border: #2a2d3a;
  --color-sidebar-bg: rgba(30, 41, 59, 0.9);
  --color-sidebar-border: rgba(255, 255, 255, 0.06);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.4);
}

/* ---------- 1. Reset & Base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 13px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  min-height: 100vh;
}

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

a:hover {
  color: var(--color-primary-hover);
}

img {
  max-width: 100%;
  display: block;
}

/* ---------- 2. Sidebar ---------- */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: var(--color-sidebar-bg);
  border-right: 1px solid var(--color-sidebar-border);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  overflow-y: auto;
}

.sidebar-header {
  padding: 20px 20px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--color-primary), #818cf8);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 14px;
}

.logo-text {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.3px;
}

.nav-group {
  padding: 8px 12px;
}

.nav-group-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--color-text-muted);
  padding: 8px 12px 6px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: all var(--transition);
  cursor: pointer;
  text-decoration: none;
}

.nav-item:hover {
  background: rgba(99, 102, 241, 0.08);
  color: var(--color-text);
}

.nav-item.active {
  background: rgba(99, 102, 241, 0.12);
  color: var(--color-primary);
  font-weight: 600;
}

.nav-item svg,
.nav-item i {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.sidebar-footer {
  margin-top: auto;
  padding: 16px 20px;
  border-top: 1px solid var(--color-border);
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px;
  border-radius: 8px;
  transition: background var(--transition);
}

.sidebar-user:hover {
  background: rgba(99, 102, 241, 0.06);
}

.sidebar-user img,
.sidebar-user .avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
}

.sidebar-user-info {
  flex: 1;
  min-width: 0;
}

.sidebar-user-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-user-role {
  font-size: 11px;
  color: var(--color-text-muted);
}

/* ---------- 3. Main Content ---------- */
.main-content {
  margin-left: var(--sidebar-width);
  min-height: 100vh;
  transition: margin-left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.top-header {
  position: sticky;
  top: 0;
  height: var(--header-height);
  background: var(--color-sidebar-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  z-index: 900;
}

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

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

.header-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-text);
}

.header-search {
  position: relative;
}

.header-icon-btn {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  background: var(--color-white);
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition);
}

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

.page-container {
  padding: 24px;
}

/* ---------- 4. Cards ---------- */
.card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

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

.card-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-text);
}

.card-body {
  padding: 20px;
}

/* ---------- 5. Hero Banner ---------- */
.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 12px;
}

.page-header h1 {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-text);
  margin: 0;
}

.hero-banner {
  background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a78bfa 100%);
  border-radius: 20px;
  padding: 40px 36px;
  position: relative;
  overflow: hidden;
  color: #ffffff;
  margin-bottom: 24px;
}

.hero-banner h2 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 8px;
}

.hero-banner p {
  font-size: 14px;
  opacity: 0.85;
  max-width: 500px;
}

.hero-banner .hero-circle {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
}

.hero-banner .hero-circle-1 {
  width: 200px;
  height: 200px;
  top: -60px;
  right: -40px;
}

.hero-banner .hero-circle-2 {
  width: 120px;
  height: 120px;
  bottom: -30px;
  right: 120px;
}

.hero-banner .hero-circle-3 {
  width: 80px;
  height: 80px;
  top: 20px;
  right: 200px;
}

/* ---------- 6. Stats Grid ---------- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition);
}

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

.stat-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  margin-bottom: 12px;
  background: rgba(99, 102, 241, 0.1);
  color: var(--color-primary);
}

.stat-value {
  font-size: 24px;
  font-weight: 800;
  color: var(--color-text);
  line-height: 1.2;
  letter-spacing: -0.5px;
}

.stat-label {
  font-size: 12px;
  color: var(--color-text-muted);
  margin-top: 4px;
  font-weight: 500;
}

/* ---------- 7. Tables ---------- */
.table-responsive {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.table thead th {
  text-align: left;
  padding: 10px 16px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-text-muted);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
  white-space: nowrap;
}

.table tbody td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
  vertical-align: middle;
}

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

.table tbody tr:hover {
  background: rgba(99, 102, 241, 0.03);
}

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

/* ---------- 8. Forms ---------- */
.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.4px;
  margin-bottom: 6px;
}

.form-input,
.form-control,
.form-select,
.form-textarea {
  width: 100%;
  padding: 10px 12px;
  font-size: 13px;
  font-family: inherit;
  color: var(--color-text);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-input);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-input:focus,
.form-control:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.12);
}

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

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-row {
  display: flex;
  gap: 16px;
  align-items: flex-end;
}

/* ---------- 9. Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 18px;
  font-size: 13px;
  font-weight: 600;
  font-family: inherit;
  border: 1px solid transparent;
  border-radius: var(--radius-input);
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  line-height: 1.4;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--color-primary);
  color: #ffffff;
}

.btn-primary:hover {
  background: var(--color-primary-hover);
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.35);
}

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

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

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

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

.btn-danger {
  background: var(--color-danger);
  color: #ffffff;
}

.btn-danger:hover {
  background: #dc2626;
  box-shadow: 0 2px 8px rgba(239, 68, 68, 0.35);
}

.btn-success {
  background: var(--color-success);
  color: #ffffff;
}

.btn-success:hover {
  background: #059669;
  box-shadow: 0 2px 8px rgba(16, 185, 129, 0.35);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 12px;
}

.btn-lg {
  padding: 12px 24px;
  font-size: 15px;
}

.btn-block {
  display: block;
  width: 100%;
}

.btn-warning {
  background: var(--color-warning);
  color: #ffffff;
}

.btn-warning:hover {
  background: #d97706;
  box-shadow: 0 2px 8px rgba(245, 158, 11, 0.35);
}

.btn-info {
  background: var(--color-info);
  color: #ffffff;
}

.btn-info:hover {
  background: #2563eb;
  box-shadow: 0 2px 8px rgba(59, 130, 246, 0.35);
}

/* ---------- 10. Badges ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  font-size: 11px;
  font-weight: 600;
  border-radius: 100px;
  white-space: nowrap;
  line-height: 1.6;
}

.badge-success {
  background: rgba(16, 185, 129, 0.1);
  color: #059669;
}

.badge-warning {
  background: rgba(245, 158, 11, 0.1);
  color: #d97706;
}

.badge-danger {
  background: rgba(239, 68, 68, 0.1);
  color: #dc2626;
}

.badge-info {
  background: rgba(59, 130, 246, 0.1);
  color: #2563eb;
}

.badge-secondary {
  background: var(--color-bg);
  color: var(--color-text-muted);
}

[data-theme='dark'] .badge-success {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
}

[data-theme='dark'] .badge-warning {
  background: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
}

[data-theme='dark'] .badge-danger {
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
}

[data-theme='dark'] .badge-info {
  background: rgba(59, 130, 246, 0.15);
  color: #60a5fa;
}

/* ---------- 11. Modal ---------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

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

.modal-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-lg);
  width: 90%;
  max-width: 540px;
  max-height: 85vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transform: translateY(12px) scale(0.97);
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.modal-header {
  padding: 20px 24px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--color-border);
}

.modal-header h3 {
  font-size: 15px;
  font-weight: 700;
}

.modal-body {
  padding: 24px;
  overflow-y: auto;
}

.modal-footer {
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  border-top: 1px solid var(--color-border);
}

.modal-close {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  border: none;
  background: transparent;
  color: var(--color-text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  transition: background var(--transition);
}

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

/* ---------- 12. Toast ---------- */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 3000;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  padding: 12px 20px;
  border-radius: var(--radius-input);
  font-size: 13px;
  font-weight: 500;
  color: #ffffff;
  box-shadow: var(--shadow-lg);
  animation: fadeIn 0.3s ease;
  min-width: 280px;
  max-width: 400px;
}

.toast-success {
  background: var(--color-success);
}

.toast-error {
  background: var(--color-danger);
}

.toast-warning {
  background: var(--color-warning);
  color: #1a1a1a;
}

.toast-info {
  background: var(--color-info);
}

/* ---------- 13. Login Page ---------- */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg);
  padding: 20px;
}

.login-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 400px;
  padding: 40px 32px;
}

.login-header {
  text-align: center;
  margin-bottom: 32px;
}

.login-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--color-primary), #818cf8);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  color: #ffffff;
  font-size: 24px;
}

.login-header h2 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 4px;
}

.login-header p {
  font-size: 13px;
  color: var(--color-text-muted);
}

.login-footer {
  text-align: center;
  margin-top: 24px;
  font-size: 12px;
  color: var(--color-text-muted);
}

/* ---------- 14. Command Palette ---------- */
.cmd-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 2500;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 20vh;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, visibility 0.2s ease;
}

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

.cmd-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-lg);
  width: 90%;
  max-width: 560px;
  overflow: hidden;
}

.cmd-input {
  width: 100%;
  padding: 16px 20px;
  font-size: 15px;
  font-family: inherit;
  border: none;
  background: transparent;
  color: var(--color-text);
  outline: none;
  border-bottom: 1px solid var(--color-border);
}

.cmd-input::placeholder {
  color: var(--color-text-muted);
}

.cmd-results {
  max-height: 320px;
  overflow-y: auto;
  padding: 8px;
}

.cmd-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 13px;
  color: var(--color-text);
  cursor: pointer;
  transition: background var(--transition);
}

.cmd-item:hover,
.cmd-item.active {
  background: rgba(99, 102, 241, 0.1);
}

.cmd-item.active {
  color: var(--color-primary);
}

/* ---------- 15. Charts ---------- */
.charts-row,
.chart-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 24px;
}

.chart-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 20px;
  box-shadow: var(--shadow-sm);
}

/* ---------- 16. Search Box ---------- */
.search-box {
  position: relative;
}

.search-box input {
  width: 100%;
  padding: 9px 12px 9px 36px;
  font-size: 13px;
  font-family: inherit;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-input);
  color: var(--color-text);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.search-box input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.12);
}

.search-box .search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  pointer-events: none;
}

/* ---------- 17. Empty State ---------- */
.empty-state {
  text-align: center;
  padding: 60px 24px;
  color: var(--color-text-muted);
}

.empty-state .empty-icon {
  font-size: 48px;
  margin-bottom: 16px;
  opacity: 0.5;
}

.empty-state h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--color-text);
}

.empty-state p {
  font-size: 13px;
  max-width: 360px;
  margin: 0 auto 20px;
}

/* ---------- 18. Loading Spinner ---------- */
.loading-spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  margin: 40px auto;
}

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

/* ---------- 19. Hamburger ---------- */
.hamburger {
  display: none;
  width: 36px;
  height: 36px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: var(--color-white);
  color: var(--color-text);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

/* ---------- 20. Sidebar Overlay ---------- */
.sidebar-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.35);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

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

/* ---------- 21. Notification ---------- */
.notification-btn {
  position: relative;
}

.notification-badge {
  position: absolute;
  top: -3px;
  right: -3px;
  width: 16px;
  height: 16px;
  background: var(--color-danger);
  color: #ffffff;
  font-size: 9px;
  font-weight: 700;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--color-white);
}

/* ---------- 23. Text Utilities ---------- */
.text-center { text-align: center; }
.text-right  { text-align: right; }
.text-muted  { color: var(--color-text-muted); }
.text-success { color: var(--color-success); }
.text-danger  { color: var(--color-danger); }

/* ---------- 24. Spacing Utilities ---------- */
.mt-1 { margin-top: 4px; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 16px; }
.mt-4 { margin-top: 24px; }

.mb-1 { margin-bottom: 4px; }
.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 16px; }
.mb-4 { margin-bottom: 24px; }

.p-1 { padding: 4px; }
.p-2 { padding: 8px; }
.p-3 { padding: 16px; }
.p-4 { padding: 24px; }

.w-100 { width: 100%; }

/* ---------- 25. Flex Utilities ---------- */
.d-flex { display: flex; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 16px; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }

/* ---------- 26. Status Dot ---------- */
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-text-muted);
  display: inline-block;
  flex-shrink: 0;
}

.status-dot.success { background: var(--color-success); }
.status-dot.warning { background: var(--color-warning); }
.status-dot.danger  { background: var(--color-danger); }

/* ---------- 28. Animations ---------- */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes slideIn {
  from { opacity: 0; transform: translateX(-12px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.5; }
}

/* ---------- 30. Detail Grid ---------- */
.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}

.detail-row {
  display: flex;
  flex-direction: column;
  padding: 12px 0;
  border-bottom: 1px solid var(--color-border);
}

.detail-row label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  color: var(--color-text-muted);
  margin-bottom: 4px;
}

.detail-row span {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
}

/* ---------- 31. Alert Box ---------- */
.alert {
  padding: 14px 18px;
  border-radius: var(--radius-input);
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 16px;
  border: 1px solid transparent;
}

.alert-warning {
  background: rgba(245, 158, 11, 0.08);
  color: #d97706;
  border-color: rgba(245, 158, 11, 0.2);
}

.alert-danger {
  background: rgba(239, 68, 68, 0.08);
  color: #dc2626;
  border-color: rgba(239, 68, 68, 0.2);
}

.alert-info {
  background: rgba(59, 130, 246, 0.08);
  color: #2563eb;
  border-color: rgba(59, 130, 246, 0.2);
}

[data-theme='dark'] .alert-warning {
  background: rgba(245, 158, 11, 0.12);
  color: #fbbf24;
}

[data-theme='dark'] .alert-danger {
  background: rgba(239, 68, 68, 0.12);
  color: #f87171;
}

[data-theme='dark'] .alert-info {
  background: rgba(59, 130, 246, 0.12);
  color: #60a5fa;
}

/* ---------- 32. KPI Cards ---------- */
.kpi-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 24px;
}

.kpi-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  text-align: center;
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.kpi-card .kpi-value {
  font-size: 28px;
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: -0.5px;
}

.kpi-card .kpi-label {
  font-size: 12px;
  color: var(--color-text-muted);
  margin-top: 4px;
  font-weight: 500;
}

.kpi-card .kpi-change {
  font-size: 12px;
  font-weight: 600;
  margin-top: 6px;
}

.kpi-card .kpi-change.up {
  color: var(--color-success);
}

.kpi-card .kpi-change.down {
  color: var(--color-danger);
}

/* ---------- 33. Toggle Switch ---------- */
.toggle-switch {
  position: relative;
  width: 44px;
  height: 24px;
  display: inline-block;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--color-border);
  border-radius: 24px;
  cursor: pointer;
  transition: background var(--transition);
}

.toggle-slider::before {
  content: '';
  position: absolute;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #ffffff;
  top: 3px;
  left: 3px;
  transition: transform var(--transition);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
}

.toggle-switch input:checked + .toggle-slider {
  background: var(--color-primary);
}

.toggle-switch input:checked + .toggle-slider::before {
  transform: translateX(20px);
}

/* ---------- 27. Responsive ---------- */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }

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

  .main-content {
    margin-left: 0;
  }

  .hamburger {
    display: flex;
  }

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

  .kpi-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .charts-row,
  .chart-row {
    grid-template-columns: 1fr;
  }

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

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

  .table-responsive .table {
    min-width: 600px;
  }

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

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

  .hero-banner {
    padding: 28px 24px;
  }

  .page-container {
    padding: 16px;
  }

  .modal-card {
    width: 95%;
    max-height: 90vh;
  }
}

/* ---------- 29. Print Styles ---------- */
@media print {
  .sidebar,
  .top-header,
  .hamburger,
  .sidebar-overlay,
  .modal-overlay,
  .toast-container {
    display: none !important;
  }

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

  .card {
    box-shadow: none;
    border: 1px solid #ddd;
  }
}