/* ============================================================
   public/css/app.css
   All colours use CSS custom properties injected by ThemeService.
   Never hardcode a colour here — always use a var(--color-*).
   ============================================================ */

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

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  margin: 0;
  transition: background-color 0.2s, color 0.2s;
}

a { color: var(--color-link); text-decoration: none; }
a:hover { text-decoration: underline; }

code, .font-mono {
  font-family: 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
  font-size: 0.85em;
  background: var(--color-bg-secondary);
  padding: 0.1em 0.35em;
  border-radius: 4px;
}

.text-xs { font-size: 0.75rem; }

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

/* ── Sidebar ──────────────────────────────────────────────── */
.app-sidebar {
  width: 260px;
  min-height: 100vh;
  background-color: var(--color-sidebar-bg);
  color: var(--color-sidebar-text);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  overflow-y: auto;
  overflow-x: hidden;
  z-index: 1000;
  transition: transform 0.25s ease, width 0.25s ease;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,0.1) transparent;
}

.sidebar-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  min-height: 64px;
}

.sidebar-brand {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-logo {
  max-height: 40px;
  max-width: 180px;
  object-fit: contain;
}

/* Nav items */
.sidebar-nav {
  list-style: none;
  padding: 0.75rem 0;
  margin: 0;
  flex: 1;
}

.sidebar-section-label {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.35);
  padding: 1rem 1.5rem 0.35rem;
}

.sidebar-nav-item {
  padding: 0 0.5rem;
  margin-bottom: 2px;
}

.sidebar-nav-link {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.5rem 1rem;
  color: var(--color-sidebar-text);
  border-radius: 6px;
  font-size: 0.875rem;
  transition: background 0.15s, color 0.15s;
  text-decoration: none;
  cursor: pointer;
}

.sidebar-nav-link:hover {
  background: rgba(255,255,255,0.08);
  color: #fff;
  text-decoration: none;
}

.sidebar-nav-link.active {
  background: var(--color-sidebar-active);
  color: #fff;
  font-weight: 500;
}

.sidebar-nav-link i {
  font-size: 1rem;
  flex-shrink: 0;
  width: 1.25rem;
  text-align: center;
}

.sidebar-nav-link .caret {
  transition: transform 0.2s;
  font-size: 0.7rem;
}

.sidebar-nav-link[aria-expanded="true"] .caret,
.sidebar-nav-link:not(.collapsed) .caret {
  transform: rotate(180deg);
}

/* Submenu */
.sidebar-submenu {
  list-style: none;
  padding: 0.25rem 0 0.25rem 1rem;
  margin: 0;
}

.sidebar-submenu .sidebar-nav-link {
  font-size: 0.825rem;
  padding: 0.375rem 1rem;
}

/* Sidebar footer */
.sidebar-footer {
  padding: 1rem 1.5rem;
  font-size: 0.7rem;
  color: rgba(255,255,255,0.3);
  border-top: 1px solid rgba(255,255,255,0.08);
}

/* ── Main area ────────────────────────────────────────────── */
.app-main {
  flex: 1;
  margin-left: 260px;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-width: 0;
  transition: margin-left 0.25s ease;
}

/* ── Topbar ───────────────────────────────────────────────── */
.app-topbar {
  height: 64px;
  background-color: var(--color-header-bg);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  padding: 0 1.5rem;
  gap: 1rem;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 3px var(--color-shadow);
}

.sidebar-toggle {
  background: none;
  border: none;
  color: var(--color-text);
  font-size: 1.375rem;
  padding: 0.25rem 0.5rem;
  cursor: pointer;
  border-radius: 6px;
  line-height: 1;
  display: none;   /* shown on mobile via media query */
}

.sidebar-toggle:hover { background: var(--color-bg-secondary); }

.topbar-title {
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-text);
}

/* Ghost button (icon only, no strong border) */
.btn-ghost {
  background: none;
  border: 1px solid transparent;
  color: var(--color-text-muted);
  padding: 0.375rem 0.625rem;
  border-radius: 6px;
  transition: background 0.15s, color 0.15s;
}
.btn-ghost:hover {
  background: var(--color-bg-secondary);
  color: var(--color-text);
  border-color: var(--color-border);
}

/* Avatar circle */
.avatar-circle {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  flex-shrink: 0;
}
.avatar-sm { width: 26px; height: 26px; font-size: 0.7rem; }

/* ── Page content ─────────────────────────────────────────── */
.app-content {
  flex: 1;
  padding: 1.75rem 2rem;
  max-width: 1400px;
  width: 100%;
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.page-title {
  font-size: 1.375rem;
  font-weight: 700;
  margin: 0;
  color: var(--color-text);
}

/* ── Footer ───────────────────────────────────────────────── */
.app-footer {
  padding: 0.875rem 2rem;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  border-top: 1px solid var(--color-border);
  background: var(--color-header-bg);
}

/* ── Cards ────────────────────────────────────────────────── */
.card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  box-shadow: 0 1px 4px var(--color-shadow);
}

.card-header {
  background-color: var(--color-bg-secondary);
  border-bottom: 1px solid var(--color-border);
  padding: 0.875rem 1.25rem;
  border-radius: 10px 10px 0 0;
  font-size: 0.875rem;
  color: var(--color-text);
}

.card-body { padding: 1.25rem; }

.card-footer {
  background-color: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  padding: 0.875rem 1.25rem;
  border-radius: 0 0 10px 10px;
}

/* ── Stat cards (dashboard) ───────────────────────────────── */
.stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  box-shadow: 0 1px 4px var(--color-shadow);
}

.stat-icon {
  width: 52px;
  height: 52px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.375rem;
  flex-shrink: 0;
}

.stat-value {
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1;
  color: var(--color-text);
}

.stat-label {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: 0.25rem;
}

/* Soft-coloured icon backgrounds */
.bg-primary-soft { background: rgba(37,99,235,0.12); }
.bg-success-soft { background: rgba(22,163,74,0.12); }
.bg-warning-soft { background: rgba(245,158,11,0.12); }
.bg-danger-soft  { background: rgba(220,38,38,0.12); }
.bg-info-soft    { background: rgba(14,165,233,0.12); }

/* ── Tables ───────────────────────────────────────────────── */
.table {
  color: var(--color-text);
  border-color: var(--color-border);
}
.table > :not(caption) > * > * {
  background-color: transparent;
  border-bottom-color: var(--color-border);
  color: var(--color-text);
  padding: 0.75rem 1rem;
}
.table thead th {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
  background-color: var(--color-bg-secondary);
  border-bottom: 1px solid var(--color-border);
}
.table-hover > tbody > tr:hover > * {
  background-color: var(--color-bg-secondary);
}

/* ── Forms ────────────────────────────────────────────────── */
.form-control, .form-select {
  background-color: var(--color-input-bg);
  border-color: var(--color-input-border);
  color: var(--color-text);
  border-radius: 6px;
  font-size: 0.9rem;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.form-control:focus, .form-select:focus {
  background-color: var(--color-input-bg);
  border-color: var(--color-primary);
  color: var(--color-text);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.15);
}
.form-control::placeholder { color: var(--color-text-muted); opacity: 0.7; }
.form-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 0.375rem;
}
.form-text { font-size: 0.8rem; color: var(--color-text-muted); }

.form-check-input {
  background-color: var(--color-input-bg);
  border-color: var(--color-input-border);
}
.form-check-input:checked { background-color: var(--color-primary); border-color: var(--color-primary); }
.form-check-label { color: var(--color-text); font-size: 0.875rem; }

/* ── Buttons ──────────────────────────────────────────────── */
.btn-primary {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}
.btn-primary:hover, .btn-primary:focus {
  background-color: color-mix(in srgb, var(--color-primary) 85%, black);
  border-color: color-mix(in srgb, var(--color-primary) 85%, black);
}
.btn-secondary {
  background-color: var(--color-secondary);
  border-color: var(--color-secondary);
  color: #fff;
}
.btn-outline-secondary {
  color: var(--color-text-muted);
  border-color: var(--color-border);
  background: transparent;
}
.btn-outline-secondary:hover {
  background-color: var(--color-bg-secondary);
  color: var(--color-text);
  border-color: var(--color-input-border);
}

/* ── Alerts / Flash ───────────────────────────────────────── */
.alert {
  border-radius: 8px;
  font-size: 0.875rem;
  border-width: 1px;
}
/* Use Bootstrap's default alert colours — they're fine */

/* ── Dropdown (Bootstrap override) ───────────────────────── */
.dropdown-menu {
  background-color: var(--color-surface);
  border-color: var(--color-border);
  box-shadow: 0 4px 16px var(--color-shadow);
  border-radius: 8px;
  font-size: 0.875rem;
  min-width: 180px;
}
.dropdown-item {
  color: var(--color-text);
  padding: 0.5rem 1rem;
  border-radius: 4px;
}
.dropdown-item:hover, .dropdown-item:focus {
  background-color: var(--color-bg-secondary);
  color: var(--color-text);
}
.dropdown-item-text { padding: 0.5rem 1rem; font-size: 0.8rem; }
.dropdown-divider { border-color: var(--color-border); }

/* ── Pagination ───────────────────────────────────────────── */
.page-link {
  background-color: var(--color-surface);
  border-color: var(--color-border);
  color: var(--color-link);
}
.page-link:hover {
  background-color: var(--color-bg-secondary);
  border-color: var(--color-border);
  color: var(--color-text);
}
.page-item.active .page-link {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
}

/* ── Tabs ─────────────────────────────────────────────────── */
.nav-tabs {
  border-color: var(--color-border);
}
.nav-tabs .nav-link {
  color: var(--color-text-muted);
  border-color: transparent transparent var(--color-border);
  font-size: 0.875rem;
}
.nav-tabs .nav-link:hover {
  color: var(--color-text);
  border-color: var(--color-border) var(--color-border) transparent;
  background: var(--color-bg-secondary);
}
.nav-tabs .nav-link.active {
  color: var(--color-text);
  background-color: var(--color-surface);
  border-color: var(--color-border) var(--color-border) var(--color-surface);
}

/* ── Badges ───────────────────────────────────────────────── */
.badge { font-size: 0.72rem; font-weight: 500; letter-spacing: 0.02em; }

/* ── Login page ───────────────────────────────────────────── */
.login-card {
  background: var(--color-surface);
  border-radius: 14px;
  padding: 2.5rem;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 8px 40px rgba(0,0,0,0.25);
}

.login-brand { text-align: center; margin-bottom: 2rem; }
.login-title { font-size: 1.75rem; font-weight: 700; color: var(--color-text); margin: 0 0 0.5rem; }
.login-subtitle { color: var(--color-text-muted); font-size: 0.9rem; margin: 0; }
.login-logo { max-height: 60px; max-width: 220px; margin-bottom: 1rem; }

/* ── Theme selector (profile page) ───────────────────────── */
.theme-option {
  border: 2px solid var(--color-border);
  border-radius: 10px;
  padding: 1rem;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
  min-width: 90px;
  user-select: none;
}
.theme-option:hover { border-color: var(--color-primary); background: var(--color-bg-secondary); }
.theme-option.selected { border-color: var(--color-primary); background: rgba(37,99,235,0.08); }
.theme-icon { color: var(--color-text-muted); margin-bottom: 0.375rem; }
.theme-option.selected .theme-icon { color: var(--color-primary); }
.theme-label { font-size: 0.78rem; color: var(--color-text-muted); }
.theme-option.selected .theme-label { color: var(--color-primary); font-weight: 600; }

/* ── Colour picker pairing ────────────────────────────────── */
.form-control-color {
  width: 46px;
  padding: 0.25rem;
  flex-shrink: 0;
  cursor: pointer;
}

/* ── Modals (Bootstrap override) ─────────────────────────── */
.modal-content {
  background-color: var(--color-surface);
  border-color: var(--color-border);
  color: var(--color-text);
}
.modal-header, .modal-footer {
  border-color: var(--color-border);
  background-color: var(--color-bg-secondary);
}

/* ── Responsive: mobile sidebar ──────────────────────────── */
@media (max-width: 991.98px) {
  .sidebar-toggle { display: block; }

  .app-sidebar {
    transform: translateX(-100%);
  }

  .app-sidebar.is-open {
    transform: translateX(0);
    box-shadow: 4px 0 20px rgba(0,0,0,0.3);
  }

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

  /* Overlay backdrop */
  .sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    z-index: 999;
  }
  .sidebar-backdrop.is-visible { display: block; }
}

@media (max-width: 575.98px) {
  .app-content { padding: 1.25rem 1rem; }
  .app-topbar  { padding: 0 1rem; }
}

/* ── Utility ──────────────────────────────────────────────── */
.border-danger { border-color: #dc3545 !important; }
.text-primary  { color: var(--color-primary) !important; }
.text-muted    { color: var(--color-text-muted) !important; }