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

:root {
  --color-primary: #4f46e5;
  --color-primary-dark: #4338ca;
  --color-primary-light: #eef2ff;
  --color-success: #16a34a;
  --color-success-bg: #ecfdf5;
  --color-danger: #dc2626;
  --color-danger-bg: #fef2f2;
  --color-muted-bg: #f1f5f9;
  --color-text: #0f172a;
  --color-text-muted: #64748b;
  --color-border: #e5e7eb;

  --color-bg: #f8fafc;
  --color-surface: #ffffff;
  --color-surface-hover: #f8fafc;
  --select-arrow: #94a3b8;
}

:root {
  color-scheme: light;
}

[data-theme="dark"] {
  color-scheme: dark;
  --color-primary: #818cf8;
  --color-primary-dark: #6366f1;
  --color-primary-light: rgba(99,102,241,0.18);
  --color-success: #4ade80;
  --color-success-bg: rgba(34,197,94,0.12);
  --color-danger: #f87171;
  --color-danger-bg: rgba(248,113,113,0.12);
  --color-muted-bg: #334155;
  --color-text: #e2e8f0;
  --color-text-muted: #94a3b8;
  --color-border: #334155;

  --color-bg: #0f172a;
  --color-surface: #1e293b;
  --color-surface-hover: #263246;
  --select-arrow: #94a3b8;
}

* {
  font-family: 'Vazirmatn', sans-serif;
}

html, body {
  background-color: var(--color-bg);
  color: var(--color-text);
  transition: background-color 0.15s, color 0.15s;
}

/* ---------- Status badges & dots ---------- */
.status-up {
  background-color: var(--color-success-bg);
  color: var(--color-success);
}

.status-down {
  background-color: var(--color-danger-bg);
  color: var(--color-danger);
}

.status-unknown {
  background-color: var(--color-muted-bg);
  color: var(--color-text-muted);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.2rem 0.65rem;
  border-radius: 999px;
}

.status-dot {
  display: inline-block;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  flex-shrink: 0;
}

.dot-up { background-color: #22c55e; box-shadow: 0 0 0 3px rgba(34,197,94,0.15); }
.dot-down { background-color: #ef4444; box-shadow: 0 0 0 3px rgba(239,68,68,0.15); }
.dot-unknown { background-color: #94a3b8; box-shadow: 0 0 0 3px rgba(148,163,184,0.15); }

/* ---------- Form inputs ---------- */
input[type="text"], input[type="number"], input[type="password"],
input[type="url"], input[type="tel"], input[type="email"],
input[type="date"], input[type="time"], input[type="datetime-local"], select, textarea {
  width: 100%;
  border: 1px solid var(--color-border);
  border-radius: 0.6rem;
  padding: 0.55rem 0.8rem;
  font-size: 0.875rem;
  background-color: var(--color-surface);
  color: var(--color-text);
  transition: border-color 0.15s, box-shadow 0.15s, background-color 0.15s, color 0.15s;
  line-height: 1.4;
}

/* Inputs and selects share the same fixed height so dropdowns line up
   with text fields (selects otherwise get extra height from the native
   appearance/indicator). Textareas keep their natural height. */
input[type="text"], input[type="number"], input[type="password"],
input[type="url"], input[type="tel"], input[type="email"],
input[type="date"], input[type="time"], input[type="datetime-local"], select {
  height: 2.5rem;
}

select {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  padding-left: 2.25rem;
  background-repeat: no-repeat;
  background-position: left 0.75rem center;
  background-size: 1rem 1rem;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

label {
  color: var(--color-text);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
  border-radius: 0.6rem;
  padding: 0.55rem 1.1rem;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.15s, box-shadow 0.15s, color 0.15s, border-color 0.15s;
  border: 1px solid transparent;
}

.btn-primary {
  background-color: var(--color-primary);
  color: #fff;
  box-shadow: 0 1px 2px rgba(79,70,229,0.3);
}
.btn-primary:hover { background-color: var(--color-primary-dark); }

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

.btn-danger {
  background-color: var(--color-danger-bg);
  color: var(--color-danger);
}
.btn-danger:hover { background-color: var(--color-danger-bg); filter: brightness(0.95); }

.btn-ghost {
  background-color: transparent;
  color: var(--color-text-muted);
  padding: 0.3rem 0.6rem;
}
.btn-ghost:hover { color: var(--color-text); background-color: var(--color-muted-bg); }

/* ---------- Theme toggle ---------- */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.1rem;
  height: 2.1rem;
  border-radius: 0.6rem;
  background-color: var(--color-muted-bg);
  color: var(--color-text-muted);
  cursor: pointer;
  font-size: 1rem;
  border: 1px solid var(--color-border);
  transition: background-color 0.15s, color 0.15s;
}
.theme-toggle:hover {
  color: var(--color-primary);
}

/* ---------- Cards ---------- */
.card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 0.9rem;
  box-shadow: 0 1px 2px rgba(15,23,42,0.04);
  padding: 1.25rem;
  transition: background-color 0.15s, border-color 0.15s;
}

.stat-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 0.9rem;
  padding: 1.1rem 1.25rem;
  transition: background-color 0.15s, border-color 0.15s;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-bottom: 0.35rem;
}

.stat-value {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--color-text);
}

/* ---------- Tables ---------- */
table {
  border-collapse: collapse;
}

thead th {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: none;
  padding-bottom: 0.6rem;
}

tbody tr {
  transition: background-color 0.1s;
  border-color: var(--color-border) !important;
}

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

thead tr, table tr.border-b {
  border-color: var(--color-border) !important;
}

/* ---------- Top navigation ---------- */
.topnav {
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  transition: background-color 0.15s, border-color 0.15s;
}

.topnav .nav-link {
  color: var(--color-text-muted);
  font-weight: 500;
  font-size: 0.875rem;
  padding: 0.4rem 0.2rem;
  border-bottom: 2px solid transparent;
  transition: color 0.15s, border-color 0.15s;
}

.topnav .nav-link:hover {
  color: var(--color-primary);
}

.topnav .nav-link.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.brand-badge {
  width: 2rem;
  height: 2rem;
  border-radius: 0.6rem;
  background: linear-gradient(135deg, var(--color-primary), #818cf8);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1rem;
}

/* ---------- Modal ---------- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(15,23,42,0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
  padding: 1rem;
}

.modal-box {
  background-color: var(--color-surface);
  border-radius: 1rem;
  width: 100%;
  max-width: 640px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 1.5rem;
  box-shadow: 0 20px 50px rgba(15,23,42,0.2);
}

/* ---------- Pagination ---------- */
.pagination-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.25rem;
  height: 2.25rem;
  padding: 0 0.6rem;
  border-radius: 0.5rem;
  font-size: 0.8rem;
  font-weight: 500;
  border: 1px solid var(--color-border);
  background-color: var(--color-surface);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: background-color 0.15s, color 0.15s;
}

.pagination-btn:hover:not(:disabled) {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
}

.pagination-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ---------------------------------------------------------------
   Dark theme overrides for inline Tailwind utility classes used
   across the static pages (since Tailwind here runs without a
   class-based dark: config, these are mapped manually).
   ------------------------------------------------------------- */
[data-theme="dark"] .text-gray-800,
[data-theme="dark"] .text-gray-700 {
  color: var(--color-text) !important;
}

[data-theme="dark"] .text-gray-600,
[data-theme="dark"] .text-gray-500,
[data-theme="dark"] .text-gray-400 {
  color: var(--color-text-muted) !important;
}

[data-theme="dark"] .bg-white {
  background-color: var(--color-surface) !important;
}

[data-theme="dark"] .bg-gray-50 {
  background-color: var(--color-bg) !important;
}

[data-theme="dark"] .bg-gray-100 {
  background-color: var(--color-muted-bg) !important;
}

[data-theme="dark"] .border-gray-100,
[data-theme="dark"] .border-gray-200 {
  border-color: var(--color-border) !important;
}

[data-theme="dark"] .bg-indigo-50,
[data-theme="dark"] .bg-indigo-50\/40 {
  background-color: var(--color-primary-light) !important;
}

[data-theme="dark"] .border-indigo-100,
[data-theme="dark"] .border-indigo-200 {
  border-color: rgba(129,140,248,0.3) !important;
}

[data-theme="dark"] .bg-red-50 {
  background-color: var(--color-danger-bg) !important;
}

[data-theme="dark"] .text-green-600 {
  color: var(--color-success) !important;
}

[data-theme="dark"] .text-red-500,
[data-theme="dark"] .text-red-600 {
  color: var(--color-danger) !important;
}

[data-theme="dark"] .text-indigo-600,
[data-theme="dark"] .hover\:text-indigo-600:hover {
  color: var(--color-primary) !important;
}

[data-theme="dark"] .hover\:text-gray-600:hover {
  color: var(--color-text) !important;
}

/* code/config snippet block stays dark in both themes for contrast */
[data-theme="dark"] .bg-gray-900 {
  background-color: #0b1220 !important;
}

/* RTL-aware custom tooltip for timing waterfall segments */
[data-tip] {
  position: relative;
}
[data-tip]::after {
  content: attr(data-tip);
  direction: rtl;
  white-space: nowrap;
  position: absolute;
  bottom: calc(100% + 6px);
  right: 0;
  background: rgba(15,23,42,0.92);
  color: #f1f5f9;
  font-size: 11px;
  line-height: 1.5;
  padding: 4px 8px;
  border-radius: 6px;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.15s;
  z-index: 100;
  font-family: Vazirmatn, sans-serif;
}
[data-tip]:hover::after {
  opacity: 1;
}

/* drag-to-reorder row highlight */
tr.drag-over {
  outline: 2px dashed var(--color-primary);
  background: var(--color-primary-light);
}

/* ---------------------------------------------------------------
   Responsive / mobile
   The pages are plain static HTML with a shared nav, so the
   responsive behaviour lives here rather than in per-page markup.
   ------------------------------------------------------------- */
@media (max-width: 768px) {
  /* Top navigation: keep the brand on the first row and let the links
     (plus theme/logout) drop to a second, horizontally-scrollable strip
     so they never overflow or get clipped on a phone. */
  .topnav > div {
    flex-wrap: wrap;
    gap: 0.5rem 0.75rem;
  }
  .topnav > div > div:last-child {
    width: 100%;
    overflow-x: auto;
    gap: 1.25rem !important;
    padding-bottom: 0.15rem;
    -webkit-overflow-scrolling: touch;
  }
  .topnav .nav-link { white-space: nowrap; }

  /* Tighter page chrome and smaller hero numbers on small screens. */
  main { padding-top: 1rem !important; padding-bottom: 1.25rem !important; }
  .card, .stat-card { padding: 1rem; }
  .stat-value { font-size: 1.25rem; }
  .stat-label { font-size: 0.7rem; }

  /* Page-header rows (title + action button) stack instead of squeezing. */
  main > .flex.items-center.justify-between {
    flex-wrap: wrap;
    gap: 0.75rem;
  }
}

@media (max-width: 480px) {
  /* Stack two-column form grids inside modals so inputs aren't cramped. */
  .modal-box .grid { grid-template-columns: 1fr !important; }
  .modal-box { padding: 1.15rem; }
}