/* ============================================================
   Uptime Monitor — "Signal Room" theme
   Dark, technical, monospace-driven. Built on Bootstrap 5.3's
   [data-bs-theme=dark] as a base, with custom identity on top.
   ============================================================ */

:root {
  --font-mono: ui-monospace, "Cascadia Code", "SF Mono", "Fira Code", Consolas, "Roboto Mono", monospace;

  --signal-bg: #090c11;
  --signal-bg-elevated: #10151d;
  --signal-bg-elevated-2: #161d28;
  --signal-border: #232c3a;
  --signal-text: #dbe6f2;
  --signal-text-dim: #7c8aa0;

  --signal-up: #2dd4a8;
  --signal-down: #ff4d5e;
  --signal-checking: #f5b942;
  --signal-brand: #4fd1ff;

  color-scheme: dark;

  /* Re-theme Bootstrap 5.3's own dark-mode variables to match our palette */
  --bs-body-bg: var(--signal-bg);
  --bs-body-color: var(--signal-text);
  --bs-border-color: var(--signal-border);
  --bs-emphasis-color: #fff;
  --bs-secondary-color: var(--signal-text-dim);
  --bs-primary: var(--signal-brand);
  --bs-primary-rgb: 79, 209, 255;
  --bs-link-color: var(--signal-brand);
  --bs-link-hover-color: #8fe3ff;
}

html {
  font-size: 15px;
  position: relative;
  min-height: 100%;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

body {
  margin-bottom: 60px;
  font-family: var(--font-mono);
  background-color: var(--signal-bg);
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 34px 34px;
  background-attachment: fixed;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-mono);
  font-weight: 700;
  letter-spacing: 0.02em;
}

h1 {
  text-transform: uppercase;
  font-size: 1.5rem;
  letter-spacing: 0.06em;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

h1::before {
  content: "";
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--signal-brand);
  box-shadow: 0 0 10px var(--signal-brand);
}

code {
  color: var(--signal-checking);
  background: rgba(245, 185, 66, 0.08);
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
}

/* ---------------- Navbar ---------------- */

.navbar {
  background: linear-gradient(180deg, var(--signal-bg-elevated), var(--signal-bg)) !important;
  border-bottom: 1px solid var(--signal-border);
}

.navbar-brand {
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 1rem;
  color: var(--signal-text) !important;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.navbar-logo {
  height: 28px;
  width: auto;
}

.navbar .nav-link {
  color: var(--signal-text-dim) !important;
  font-size: 0.85rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  transition: color 0.15s ease;
}

.navbar .nav-link:hover,
.navbar .nav-link.active {
  color: var(--signal-brand) !important;
}

/* ---------------- Cards / panels ---------------- */

.panel {
  background: var(--signal-bg-elevated);
  border: 1px solid var(--signal-border);
  border-radius: 10px;
  padding: 1rem 1.25rem;
}

.alert {
  background: var(--signal-bg-elevated);
  border: 1px solid var(--signal-border);
  border-left: 3px solid var(--signal-brand);
  color: var(--signal-text);
  border-radius: 8px;
}

.alert-success { border-left-color: var(--signal-up); }
.alert-warning { border-left-color: var(--signal-checking); }
.alert-danger,
.text-danger { border-left-color: var(--signal-down); }

/* ---------------- Forms ---------------- */

.form-control,
.form-select {
  background-color: var(--signal-bg-elevated-2);
  border: 1px solid var(--signal-border);
  color: var(--signal-text);
  font-family: var(--font-mono);
}

.form-control:focus,
.form-select:focus {
  background-color: var(--signal-bg-elevated-2);
  color: var(--signal-text);
  border-color: var(--signal-brand);
  box-shadow: 0 0 0 0.2rem rgba(79, 209, 255, 0.15);
}

.form-control::placeholder {
  color: var(--signal-text-dim);
}

.btn-primary {
  background-color: var(--signal-brand);
  border-color: var(--signal-brand);
  color: #05131a;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 0.85rem;
}

.btn-primary:hover,
.btn-primary:focus {
  background-color: #7ddfff;
  border-color: #7ddfff;
  color: #05131a;
}

.btn-outline-secondary {
  border-color: var(--signal-border);
  color: var(--signal-text-dim);
}

.btn-outline-secondary:hover {
  background-color: var(--signal-bg-elevated-2);
  border-color: var(--signal-text-dim);
  color: var(--signal-text);
}

/* ---------------- Tables ---------------- */

.table-wrapper {
  background: var(--signal-bg-elevated);
  border: 1px solid var(--signal-border);
  border-radius: 10px;
  overflow: hidden;
}

.table {
  --bs-table-bg: var(--signal-bg-elevated);
  --bs-table-color: var(--signal-text);
  --bs-table-border-color: var(--signal-border);
  --bs-table-striped-bg: var(--signal-bg-elevated-2);
  --bs-table-hover-bg: rgba(79, 209, 255, 0.06);
  margin-bottom: 0;
}

.table thead th {
  text-transform: uppercase;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--signal-text-dim);
  font-weight: 700;
  border-bottom: 1px solid var(--signal-border);
  padding-top: 0.9rem;
  padding-bottom: 0.9rem;
}

.table td {
  vertical-align: middle;
  padding-top: 0.7rem;
  padding-bottom: 0.7rem;
}

.mono {
  font-variant-numeric: tabular-nums;
  color: var(--signal-text-dim);
}

.site-link {
  color: var(--signal-text);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px dashed transparent;
}

.site-link:hover {
  color: var(--signal-brand);
  border-bottom-color: var(--signal-brand);
}

.history-link {
  margin-left: 0.5rem;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--signal-text-dim);
  text-decoration: none;
  border: 1px solid var(--signal-border);
  border-radius: 4px;
  padding: 0.05rem 0.35rem;
}

.history-link:hover {
  color: var(--signal-brand);
  border-color: var(--signal-brand);
}

/* ---------------- Status pills ---------------- */

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  white-space: nowrap;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}

.status-up {
  background: rgba(45, 212, 168, 0.12);
  color: var(--signal-up);
}

.status-up .status-dot {
  background: var(--signal-up);
  box-shadow: 0 0 6px var(--signal-up);
}

.status-down {
  background: rgba(255, 77, 94, 0.12);
  color: var(--signal-down);
}

.status-down .status-dot {
  background: var(--signal-down);
  box-shadow: 0 0 6px var(--signal-down);
  animation: dot-pulse 1.4s ease-in-out infinite;
}

.status-checking {
  background: rgba(245, 185, 66, 0.12);
  color: var(--signal-checking);
}

.status-checking .status-dot {
  background: var(--signal-checking);
  animation: dot-blink 1s steps(2, start) infinite;
}

.status-inactive {
  background: rgba(124, 138, 160, 0.12);
  color: var(--signal-text-dim);
}

.status-inactive .status-dot {
  background: var(--signal-text-dim);
}

@keyframes dot-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255, 77, 94, 0.45); }
  50% { box-shadow: 0 0 0 5px rgba(255, 77, 94, 0); }
}

@keyframes dot-blink {
  50% { opacity: 0.25; }
}

/* ---------------- Pagination ---------------- */

.pagination .page-link {
  background: var(--signal-bg-elevated);
  border-color: var(--signal-border);
  color: var(--signal-text-dim);
  font-size: 0.85rem;
}

.pagination .page-item.active .page-link {
  background: var(--signal-brand);
  border-color: var(--signal-brand);
  color: #05131a;
  font-weight: 700;
}

.pagination .page-link:hover {
  background: var(--signal-bg-elevated-2);
  color: var(--signal-text);
}

/* ---------------- Login page ---------------- */

.login-shell {
  min-height: calc(100vh - 220px);
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-card {
  background: var(--signal-bg-elevated);
  border: 1px solid var(--signal-border);
  border-radius: 12px;
  padding: 2.5rem;
  width: 100%;
  max-width: 380px;
  box-shadow: 0 30px 60px -30px rgba(0, 0, 0, 0.6);
}

.login-card h1::before {
  display: none;
}

.login-card h1 {
  font-size: 1.15rem;
  margin-bottom: 1.5rem;
}

/* ---------------- Misc ---------------- */

.text-dim {
  color: var(--signal-text-dim);
}

.stat-strip {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
}

.stat-chip {
  background: var(--signal-bg-elevated);
  border: 1px solid var(--signal-border);
  border-radius: 8px;
  padding: 0.6rem 1rem;
  min-width: 110px;
}

.stat-chip .stat-label {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--signal-text-dim);
  display: block;
}

.stat-chip .stat-value {
  font-size: 1.3rem;
  font-weight: 700;
}

.stat-chip-clickable {
  cursor: pointer;
  transition: border-color 0.15s ease, transform 0.1s ease;
  user-select: none;
}

.stat-chip-clickable:hover {
  border-color: var(--signal-brand);
}

.stat-chip-clickable:active {
  transform: scale(0.98);
}

.stat-chip-clickable:focus-visible {
  outline: 2px solid var(--signal-brand);
  outline-offset: 2px;
}

.footer {
  border-top: 1px solid var(--signal-border) !important;
  color: var(--signal-text-dim);
  background: var(--signal-bg);
  font-size: 0.75rem;
}