/* ── Variables — Light ── */
:root {
  --color-bg: #f0f4f8;
  --color-sidebar: #ffffff;
  --color-surface: #ffffff;
  --color-border: #dde3ec;
  --color-primary: #1e3a6e;
  --color-primary-hover: #162d57;
  --color-accent: #4a9fd4;
  --color-text: #1a2535;
  --color-text-muted: #5a6a7e;
  --sidebar-width: 230px;
  --topbar-height: 56px;
  /* surface tint used for table headers, card headers, etc. */
  --color-surface-tint: #f8fafc;
  /* hover tints */
  --color-hover-primary: #eef3fb;
  --color-hover-danger: #fef2f2;
}

/* ── Variables — Dark ── */
[data-bs-theme="dark"] {
  --color-bg: #0f1117;
  --color-sidebar: #161a23;
  --color-surface: #1c2030;
  --color-border: #2b3148;
  --color-primary: #4a9fd4;
  --color-primary-hover: #6bb5e0;
  --color-accent: #4a9fd4;
  --color-text: #e2e8f0;
  --color-text-muted: #8896aa;
  --color-surface-tint: rgba(255,255,255,0.04);
  --color-hover-primary: rgba(74,159,212,0.12);
  --color-hover-danger: rgba(220,53,69,0.15);
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; }

/* Set background on html so the browser uses it during page load,
   before body or any JS has a chance to run */
html {
  background-color: var(--color-bg);
}

body {
  margin: 0;
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: system-ui, -apple-system, sans-serif;
}

/* ── App shell ── */
.app-wrapper {
  display: flex;
  min-height: 100vh;
}

/* ── Sidebar ── */
.sidebar {
  width: var(--sidebar-width);
  background-color: var(--color-sidebar);
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  z-index: 200;
  box-shadow: 2px 0 8px rgba(0,0,0,0.06);
  transition: transform 0.25s ease;
}

.sidebar-brand {
  height: var(--topbar-height);
  display: flex;
  align-items: center;
  padding: 0 1rem;
  border-bottom: 1px solid var(--color-border);
}

.sidebar-logo {
  width: 100%;
  max-width: 170px;
  height: auto;
  object-fit: contain;
}

.brand-text {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-primary);
  letter-spacing: 0.02em;
}

.sidebar-nav {
  list-style: none;
  padding: 1rem 0;
  margin: 0;
  flex: 1;
  overflow-y: auto;
}

.nav-section-label {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  padding: 0.25rem 1.25rem;
}

.sidebar-item { display: block; }

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.55rem 1.25rem;
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  border-radius: 0;
  transition: background 0.15s, color 0.15s;
  cursor: pointer;
}

.sidebar-link:hover {
  background-color: var(--color-hover-primary);
  color: var(--color-primary);
}

.sidebar-item.active .sidebar-link {
  background-color: var(--color-hover-primary);
  border-left: 3px solid var(--color-primary);
  padding-left: calc(1.25rem - 3px);
  color: var(--color-primary);
  font-weight: 600;
}

.sidebar-item.disabled .sidebar-link {
  opacity: 0.4;
  cursor: default;
  pointer-events: none;
}

.sidebar-footer {
  padding: 0.75rem 0;
  border-top: 1px solid var(--color-border);
}

.sidebar-logout {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.sidebar-logout:hover {
  background-color: var(--color-hover-danger);
  color: #dc3545;
}

.sidebar-demo {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.sidebar-demo:hover {
  background-color: var(--color-hover-primary);
  color: var(--color-primary);
}

.sidebar-demo.demo-active {
  background-color: #fef9c3;
  color: #92400e;
}

[data-bs-theme="dark"] .sidebar-demo.demo-active {
  background-color: rgba(234,179,8,0.18);
  color: #fbbf24;
}

/* ── Theme toggle button ── */
.sidebar-theme {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.sidebar-theme:hover {
  background-color: var(--color-hover-primary);
  color: var(--color-primary);
}

/* ── Demo mode blur ── */
body.demo-mode .demo-blur {
  filter: blur(6px);
  user-select: none;
}

/* ── Sidebar backdrop (mobile) ── */
.sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  z-index: 199;
}

/* ── Main area ── */
.app-main {
  margin-left: var(--sidebar-width);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.app-topbar {
  height: var(--topbar-height);
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.5rem;
  position: sticky;
  top: 0;
  z-index: 50;
}

.topbar-hamburger {
  display: none;
  background: none;
  border: none;
  padding: 0.25rem 0.4rem;
  font-size: 1.35rem;
  color: var(--color-text-muted);
  cursor: pointer;
  border-radius: 4px;
  line-height: 1;
}

.topbar-hamburger:hover {
  background-color: var(--color-hover-primary);
  color: var(--color-primary);
}

.topbar-title {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-text);
}

.app-content {
  padding: 1.75rem;
  flex: 1;
}

/* ── Cards ── */
.card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  border-radius: 8px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
}

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

.login-card {
  width: 380px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 2rem;
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}

.login-logo-wrap {
  text-align: center;
  margin-bottom: 1.75rem;
}

.login-logo {
  max-width: 220px;
  height: auto;
  object-fit: contain;
}

/* ── Forms ── */
.form-control, .form-select {
  background-color: var(--color-surface-tint);
  border-color: var(--color-border);
  color: var(--color-text);
}

.form-control:focus, .form-select:focus {
  background-color: var(--color-surface);
  border-color: var(--color-accent);
  color: var(--color-text);
  box-shadow: 0 0 0 0.2rem rgba(74, 159, 212, 0.2);
}

.form-label {
  color: var(--color-text-muted);
  font-size: 0.875rem;
  font-weight: 500;
}

/* ── Buttons ── */
.btn-primary {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: #ffffff;
}

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

/* ── Text muted override ── */
.text-muted {
  color: var(--color-text-muted) !important;
}

/* ── Health table ── */
.health-table thead th {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  border-bottom: 2px solid var(--color-border);
  background-color: var(--color-surface-tint);
}

.health-table td {
  vertical-align: middle;
  font-size: 0.875rem;
  border-color: var(--color-border);
}

.health-table .font-monospace {
  font-size: 0.875rem;
}

.card-header {
  background-color: var(--color-surface-tint);
  border-bottom: 1px solid var(--color-border);
  font-size: 0.875rem;
}

.orig-row td {
  background-color: var(--color-surface-tint);
  padding: 0.5rem 0.75rem;
}

.orig-detail {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.orig-label {
  font-weight: 600;
  color: var(--color-text);
}

.orig-value {
  color: #dc2626 !important;
}

.expand-col {
  width: 32px;
  min-width: 32px;
  padding-left: 0 !important;
  padding-right: 0 !important;
}

.expand-btn {
  color: var(--color-text-muted);
  line-height: 1;
}

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

/* ── Chart section ── */
.chart-section-toggle:hover,
.cat-toggle:hover {
  background-color: var(--color-hover-primary);
}

.chart-slot-card {
  background-color: var(--color-surface-tint);
}

.star-btn {
  color: var(--color-text-muted);
  flex-shrink: 0;
}

.star-btn:hover {
  color: #d97706;
}

.star-btn .bi-star-fill {
  color: #d97706;
}

/* ── Avatars ── */
.avatar-sm {
  width: 30px;
  height: 30px;
  object-fit: cover;
}

.avatar-lg {
  width: 96px;
  height: 96px;
  object-fit: cover;
}

.avatar-placeholder-lg {
  width: 96px;
  height: 96px;
  background-color: var(--color-border);
  color: var(--color-text-muted);
}

.avatar-placeholder-icon {
  font-size: 3rem;
  line-height: 1;
}

.topbar-user {
  display: flex;
  align-items: center;
  color: var(--color-text-muted);
  font-size: 0.85rem;
  gap: 0.35rem;
}

.topbar-user:hover {
  color: var(--color-primary);
}

.avatar-hint {
  font-size: 0.7rem;
  line-height: 1.5;
}

/* ── Mobile responsive ── */
@media (max-width: 767.98px) {
  .sidebar {
    transform: translateX(-100%);
  }

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

  .sidebar-backdrop.active {
    display: block;
  }

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

  .topbar-hamburger {
    display: block;
  }

  .app-content {
    padding: 1rem;
  }
}

/* ── Status badges ── */
.status-normal {
  background-color: #d1fae5;
  color: #065f46;
}

.status-low {
  background-color: #fef3c7;
  color: #92400e;
}

.status-high {
  background-color: #fee2e2;
  color: #991b1b;
}

/* Clickable card hover effect */
.card-hover {
  transition: box-shadow 0.15s ease, transform 0.15s ease;
  cursor: pointer;
}
.card-hover:hover {
  box-shadow: 0 4px 12px rgba(0,0,0,.1);
  transform: translateY(-2px);
}

/* ── Dark mode adjustments ── */
[data-bs-theme="dark"] .sidebar {
  box-shadow: 2px 0 8px rgba(0,0,0,0.35);
}

[data-bs-theme="dark"] .status-normal {
  background-color: rgba(5,150,105,0.22);
  color: #34d399;
}

[data-bs-theme="dark"] .status-low {
  background-color: rgba(234,179,8,0.18);
  color: #fbbf24;
}

[data-bs-theme="dark"] .status-high {
  background-color: rgba(239,68,68,0.18);
  color: #f87171;
}

[data-bs-theme="dark"] .card-hover:hover {
  box-shadow: 0 4px 16px rgba(0,0,0,0.4);
}

/* Bootstrap's table-light hardcodes a white background — override in dark mode */
[data-bs-theme="dark"] .table-light,
[data-bs-theme="dark"] .table-light > th,
[data-bs-theme="dark"] .table-light > td,
[data-bs-theme="dark"] thead.table-light th {
  background-color: var(--color-surface-tint) !important;
  color: var(--color-text-muted);
  border-color: var(--color-border);
}

/* Smooth theme transition — only active during user-initiated toggle, not on page load */
body.theme-transitioning,
body.theme-transitioning .sidebar,
body.theme-transitioning .app-topbar,
body.theme-transitioning .card {
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}