/* AUDELA Portal – Modern Visual Enhancement v2
   Supplementary overrides loaded after portal.css.
   Targets: sidebar, topbar, cards, typography, dropdowns,
            buttons, tables, forms, scrollbars, dark mode.
*/

/* ─── 1. Font ────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

/* ─── 2. Light-mode variable overrides ───────────────── */
:root {
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', ui-monospace, monospace;

  /* Brand */
  --brand-color:    #2563eb;
  --brand-gradient: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
  --accent-color:   #2563eb;
  --accent-hover:   #1d4ed8;

  /* Backgrounds */
  --bg-primary:   #ffffff;
  --bg-secondary: #f7f9fc;
  --bg-tertiary:  #f0f4f9;
  --bg-hover:     #e8eef6;

  /* Cards */
  --card-bg:           #ffffff;
  --card-border:       #e2e8f0;
  --card-shadow:       0 1px 2px rgba(0,0,0,0.04), 0 4px 12px rgba(0,0,0,0.06);
  --card-shadow-hover: 0 4px 8px rgba(0,0,0,0.06), 0 16px 40px rgba(37,99,235,0.09);

  /* Sidebar */
  --sidebar-width:      252px;
  --sidebar-bg:         #ffffff;
  --sidebar-border:     #e8edf5;
  --sidebar-text:       #4b5675;
  --sidebar-hover-bg:   #f1f5fb;
  --sidebar-active-bg:  #eef4ff;
  --sidebar-active-text:#2563eb;

  /* Text */
  --text-primary:   #0f172a;
  --text-secondary: #64748b;
  --text-muted:     #94a3b8;

  /* Borders */
  --border-color:  #e2e8f0;
  --border-subtle: #f1f5f9;

  /* Topbar glass */
  --topbar-bg:     rgba(255,255,255,0.82);
  --topbar-blur:   blur(14px);
  --topbar-border: rgba(226,232,240,0.7);
  --topbar-shadow: 0 1px 0 rgba(0,0,0,0.05);

  /* Buttons */
  --btn-primary-bg:   #2563eb;
  --btn-primary-text: #ffffff;
  --btn-primary-hover:#1d4ed8;

  /* Radii */
  --radius-xs: 0.375rem;
  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.25rem;

  /* Transitions */
  --t-fast: 140ms cubic-bezier(0.4,0,0.2,1);
  --t-base: 200ms cubic-bezier(0.4,0,0.2,1);
  --t-slow: 300ms cubic-bezier(0.4,0,0.2,1);
}

/* ─── 3. Dark-mode variable overrides ────────────────── */
html[data-bs-theme="dark"],
body.theme-dark {
  --bg-primary:   #0d1117;
  --bg-secondary: #161b22;
  --bg-tertiary:  #1c2128;
  --bg-hover:     #21262d;

  --card-bg:           #161b22;
  --card-border:       #30363d;
  --card-shadow:       0 1px 3px rgba(0,0,0,0.35), 0 4px 14px rgba(0,0,0,0.45);
  --card-shadow-hover: 0 4px 10px rgba(0,0,0,0.5), 0 16px 40px rgba(88,166,255,0.07);

  --sidebar-bg:         #0d1117;
  --sidebar-border:     #21262d;
  --sidebar-text:       #8b949e;
  --sidebar-hover-bg:   #161b22;
  --sidebar-active-bg:  #0d2235;
  --sidebar-active-text:#58a6ff;

  --text-primary:   #e6edf3;
  --text-secondary: #8b949e;
  --text-muted:     #4a5568;

  --border-color:  #30363d;
  --border-subtle: #21262d;

  --topbar-bg:     rgba(13,17,23,0.86);
  --topbar-border: rgba(48,54,61,0.75);
  --topbar-shadow: 0 1px 0 rgba(0,0,0,0.3);

  --brand-gradient: linear-gradient(135deg, #58a6ff 0%, #a78bfa 100%);
}

/* ─── 4. Global typography ───────────────────────────── */
body {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  color: var(--text-primary);
}

code, pre, kbd, samp {
  font-family: var(--font-mono);
}

/* ─── 5. Sidebar ─────────────────────────────────────── */
.sidebar {
  background: var(--sidebar-bg);
  border-right: 1px solid var(--sidebar-border) !important;
  box-shadow: 1px 0 0 var(--border-subtle), 4px 0 16px rgba(0,0,0,0.03);
  transition: box-shadow var(--t-base);
}

/* Brand with gradient text */
.sidebar .brand {
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  text-decoration: none;
}

/* Premium nav-link */
.sidebar .nav-link {
  border-radius: var(--radius-sm);
  padding: 0.475rem 0.75rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--sidebar-text);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 2px;
  transition: background var(--t-fast), color var(--t-fast), box-shadow var(--t-fast);
  position: relative;
  overflow: hidden;
}

.sidebar .nav-link i {
  width: 1.1em;
  flex-shrink: 0;
  font-size: 1rem;
  opacity: 0.7;
  transition: opacity var(--t-fast);
}

.sidebar .nav-link:hover {
  background: var(--sidebar-hover-bg);
  color: var(--sidebar-active-text);
}

.sidebar .nav-link:hover i {
  opacity: 1;
}

.sidebar .nav-link.active {
  background: var(--sidebar-active-bg);
  color: var(--sidebar-active-text);
  font-weight: 600;
  box-shadow: inset 2.5px 0 0 var(--brand-color);
}

.sidebar .nav-link.active i {
  opacity: 1;
}

/* Sidebar user footer */
.sidebar .mt-auto.pt-3 {
  border-top: 1px solid var(--border-subtle);
  padding-top: 0.875rem !important;
}

.sidebar .mt-auto .fw-semibold {
  color: var(--text-secondary);
  font-size: 0.8125rem;
}

.sidebar .mt-auto .small-muted {
  line-height: 1.6;
}

/* Sidebar section label (optional) */
.sidebar .nav-section-label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  padding: 0.75rem 0.75rem 0.35rem;
}

/* ─── 5b. Sidebar nav list – premium item style ──────── */

/* Icon box inside each nav-link */
.sidebar .nav-link i.bi {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.75rem;
  height: 1.75rem;
  flex-shrink: 0;
  font-size: 0.9375rem;
  border-radius: var(--radius-xs);
  background: transparent;
  color: var(--sidebar-text);
  transition: background var(--t-fast), color var(--t-fast), transform var(--t-fast);
}

/* Offset the margin Bootstrap adds via me-2 so we control it */
.sidebar .nav-link {
  gap: 0.5rem;
}

/* Neutralize inline me-2 margin so icon-box gap owns the spacing */
.sidebar .nav-link i.bi {
  margin-right: 0 !important;
}

.sidebar .nav-link:hover i.bi {
  background: rgba(37, 99, 235, 0.1);
  color: var(--brand-color);
  transform: scale(1.08);
}

.sidebar .nav-link.active i.bi {
  background: rgba(37, 99, 235, 0.15);
  color: var(--sidebar-active-text);
}

/* Active left-accent bar with animated fill */
.sidebar .nav-link.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 20%;
  bottom: 20%;
  width: 3px;
  border-radius: 0 3px 3px 0;
  background: var(--brand-color);
  animation: accent-grow 220ms cubic-bezier(0.4, 0, 0.2, 1) both;
}

@keyframes accent-grow {
  from { transform: scaleY(0); opacity: 0; }
  to   { transform: scaleY(1); opacity: 1; }
}

/* Hover: slide-in background shimmer */
.sidebar .nav-link::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(90deg, rgba(37,99,235,0.06) 0%, transparent 100%);
  opacity: 0;
  transition: opacity var(--t-fast);
  pointer-events: none;
}

.sidebar .nav-link:hover::after {
  opacity: 1;
}

/* List container breathing room */
.sidebar .nav.flex-column {
  gap: 2px !important;
}

/* Divider helper class (add class="nav-divider" to a <div> inside the nav) */
.sidebar .nav-divider {
  height: 1px;
  background: var(--border-subtle);
  margin: 0.5rem 0.25rem;
}

/* Dark-mode icon adjustments */
html[data-bs-theme="dark"] .sidebar .nav-link i.bi,
body.theme-dark .sidebar .nav-link i.bi {
  color: var(--sidebar-text);
}

html[data-bs-theme="dark"] .sidebar .nav-link:hover i.bi,
body.theme-dark .sidebar .nav-link:hover i.bi {
  background: rgba(88, 166, 255, 0.12);
  color: var(--sidebar-active-text);
}

html[data-bs-theme="dark"] .sidebar .nav-link.active i.bi,
body.theme-dark .sidebar .nav-link.active i.bi {
  background: rgba(88, 166, 255, 0.15);
  color: var(--sidebar-active-text);
}

html[data-bs-theme="dark"] .sidebar .nav-link:hover::after,
body.theme-dark .sidebar .nav-link:hover::after {
  background: linear-gradient(90deg, rgba(88,166,255,0.07) 0%, transparent 100%);
}

/* ─── 6. Topbar – frosted glass ──────────────────────── */
.topbar {
  background: var(--topbar-bg) !important;
  backdrop-filter: var(--topbar-blur) !important;
  -webkit-backdrop-filter: var(--topbar-blur) !important;
  border-bottom-color: var(--topbar-border) !important;
  box-shadow: var(--topbar-shadow) !important;
}

.topbar .fw-semibold {
  font-size: 0.9375rem;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.topbar .btn-outline-secondary {
  border-color: var(--border-color);
  color: var(--text-secondary);
  font-size: 0.8125rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: all var(--t-fast);
}

.topbar .btn-outline-secondary:hover {
  background: var(--bg-tertiary);
  border-color: var(--border-color);
  color: var(--text-primary);
  box-shadow: none;
}

.topbar .badge {
  border-radius: 9999px !important;
}

/* ─── 7. Main area ───────────────────────────────────── */
.main-area {
  background: var(--bg-secondary);
}

.portal-shell {
  background: var(--bg-primary);
}

/* ─── 8. Grid-stack cards ────────────────────────────── */
.grid-stack-item-content {
  border: 1px solid var(--card-border) !important;
  border-radius: var(--radius-lg) !important;
  box-shadow: var(--card-shadow) !important;
  background: var(--card-bg) !important;
  transition: box-shadow var(--t-slow), border-color var(--t-slow), transform var(--t-slow);
}

.grid-stack-item-content:hover {
  box-shadow: var(--card-shadow-hover) !important;
  border-color: rgba(37,99,235,0.25) !important;
}

.card-head {
  padding: 0.875rem 1.125rem;
  border-bottom: 1px solid var(--border-subtle);
  background: var(--card-bg);
}

.card-title {
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: -0.005em;
  color: var(--text-primary);
}

.card-body-inner {
  padding: 0.875rem 1.125rem;
}

/* ─── 9. Dropdown menus ──────────────────────────────── */
.dropdown-menu {
  border: 1px solid var(--card-border) !important;
  border-radius: var(--radius-md) !important;
  box-shadow: 0 4px 6px rgba(0,0,0,0.04), 0 12px 40px rgba(0,0,0,0.10) !important;
  padding: 0.3rem !important;
  background: var(--bg-primary) !important;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

html[data-bs-theme="dark"] .dropdown-menu,
body.theme-dark .dropdown-menu {
  background: var(--bg-primary) !important;
  border-color: var(--card-border) !important;
}

.dropdown-item {
  border-radius: var(--radius-xs) !important;
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.45rem 0.75rem !important;
  color: var(--text-primary) !important;
  transition: background var(--t-fast), color var(--t-fast);
}

.dropdown-item:hover,
.dropdown-item:focus {
  background: var(--sidebar-hover-bg) !important;
  color: var(--brand-color) !important;
}

.dropdown-divider {
  border-color: var(--border-subtle) !important;
  margin: 0.25rem 0 !important;
}

/* ─── 10. Buttons ────────────────────────────────────── */
.btn {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  border-radius: var(--radius-sm) !important;
  transition: all var(--t-fast) !important;
}

.btn-primary {
  background: var(--btn-primary-bg) !important;
  border-color: var(--btn-primary-bg) !important;
  box-shadow: 0 1px 2px rgba(37,99,235,0.18), 0 0 0 0 transparent;
}

.btn-primary:hover {
  background: var(--btn-primary-hover) !important;
  border-color: var(--btn-primary-hover) !important;
  box-shadow: 0 3px 10px rgba(37,99,235,0.3) !important;
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0) !important;
  box-shadow: 0 1px 2px rgba(37,99,235,0.18) !important;
}

.btn-outline-primary {
  border-radius: var(--radius-sm) !important;
  font-weight: 500;
  transition: all var(--t-fast) !important;
}

.btn-outline-info {
  border-radius: var(--radius-sm) !important;
  font-weight: 500;
}

/* ─── 11. Badges ─────────────────────────────────────── */
.badge {
  font-weight: 600;
  letter-spacing: 0.025em;
  border-radius: 9999px;
  padding: 0.3em 0.65em;
}

/* ─── 12. Tables ─────────────────────────────────────── */
.table th {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted) !important;
  background: var(--bg-secondary) !important;
  border-bottom: 2px solid var(--border-color) !important;
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
}

.table td {
  font-size: 0.875rem;
  border-bottom: 1px solid var(--border-subtle) !important;
  vertical-align: middle;
  color: var(--text-primary);
}

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

.table-hover tbody tr:hover {
  background: var(--bg-hover) !important;
}

/* ─── 13. Form controls ──────────────────────────────── */
.form-control,
.form-select {
  border-radius: var(--radius-sm) !important;
  border: 1.5px solid var(--border-color);
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 0.875rem;
  font-family: var(--font-sans);
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}

.form-control:focus,
.form-select:focus {
  border-color: var(--brand-color) !important;
  box-shadow: 0 0 0 3.5px rgba(37,99,235,0.15) !important;
  background: var(--bg-primary);
  outline: none;
}

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

.form-control-sm,
.form-select-sm {
  font-size: 0.8125rem !important;
}

/* ─── 14. Scrollbars ─────────────────────────────────── */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--border-color) transparent;
}

*::-webkit-scrollbar {
  width: 5px;
  height: 5px;
}

*::-webkit-scrollbar-track {
  background: transparent;
}

*::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 9999px;
}

*::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* ─── 15. Alerts ─────────────────────────────────────── */
.alert {
  border-radius: var(--radius-md) !important;
  border: none !important;
  font-size: 0.875rem;
}

.alert-danger  { background: #fef2f2; color: #991b1b; }
.alert-success { background: #f0fdf4; color: #166534; }
.alert-warning { background: #fffbeb; color: #92400e; }
.alert-info    { background: #eff6ff; color: #1e40af; }

html[data-bs-theme="dark"] .alert-danger,
body.theme-dark .alert-danger  { background: #2d1515; color: #fca5a5; }
html[data-bs-theme="dark"] .alert-success,
body.theme-dark .alert-success { background: #14261a; color: #86efac; }
html[data-bs-theme="dark"] .alert-warning,
body.theme-dark .alert-warning { background: #271e08; color: #fbbf24; }
html[data-bs-theme="dark"] .alert-info,
body.theme-dark .alert-info    { background: #0f1e38; color: #93c5fd; }

/* ─── 16. Offcanvas / Mobile nav ─────────────────────── */
.offcanvas {
  background: var(--bg-primary) !important;
  border-color: var(--border-color) !important;
}

.offcanvas-header {
  border-bottom: 1px solid var(--border-subtle) !important;
}

/* ─── 17. Toasts ─────────────────────────────────────── */
.toast {
  border-radius: var(--radius-md) !important;
  border: 1px solid var(--card-border) !important;
  box-shadow: 0 8px 30px rgba(0,0,0,0.12) !important;
}

.toast-header {
  border-radius: calc(var(--radius-md) - 1px) calc(var(--radius-md) - 1px) 0 0 !important;
}

/* ─── 18. Headings inside portal content ─────────────── */
.main-area h1, .main-area h2, .main-area h3 {
  font-family: var(--font-sans);
  letter-spacing: -0.02em;
  font-weight: 700;
  color: var(--text-primary);
}

.main-area h4, .main-area h5, .main-area h6 {
  font-family: var(--font-sans);
  letter-spacing: -0.01em;
  font-weight: 600;
  color: var(--text-primary);
}

/* ─── 19. Focus ring (accessibility) ─────────────────── */
:focus-visible {
  outline: 2.5px solid var(--brand-color);
  outline-offset: 2px;
}

/* ─── 20. Dark-mode hardening for new vars ───────────── */
html[data-bs-theme="dark"] .sidebar,
body.theme-dark .sidebar {
  background: var(--sidebar-bg) !important;
  border-right-color: var(--sidebar-border) !important;
  box-shadow: 1px 0 0 var(--border-subtle), 4px 0 20px rgba(0,0,0,0.25) !important;
}

html[data-bs-theme="dark"] .sidebar .nav-link,
body.theme-dark .sidebar .nav-link {
  color: var(--sidebar-text);
}

html[data-bs-theme="dark"] .sidebar .nav-link:hover,
body.theme-dark .sidebar .nav-link:hover {
  background: var(--sidebar-hover-bg);
  color: var(--sidebar-active-text);
}

html[data-bs-theme="dark"] .sidebar .nav-link.active,
body.theme-dark .sidebar .nav-link.active {
  background: var(--sidebar-active-bg);
  color: var(--sidebar-active-text);
}

html[data-bs-theme="dark"] .main-area,
body.theme-dark .main-area {
  background: var(--bg-secondary) !important;
}

html[data-bs-theme="dark"] .topbar,
body.theme-dark .topbar {
  background: var(--topbar-bg) !important;
  border-color: var(--topbar-border) !important;
}

html[data-bs-theme="dark"] .card-head,
body.theme-dark .card-head {
  background: var(--card-bg);
  border-color: var(--border-subtle) !important;
}

html[data-bs-theme="dark"] .table th,
body.theme-dark .table th {
  background: var(--bg-tertiary) !important;
  color: var(--text-muted) !important;
}

html[data-bs-theme="dark"] .form-control,
html[data-bs-theme="dark"] .form-select,
body.theme-dark .form-control,
body.theme-dark .form-select {
  background: var(--bg-secondary) !important;
  border-color: var(--border-color) !important;
  color: var(--text-primary) !important;
}

/* ─── 21. Small utility tweaks ───────────────────────── */
.small-muted {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* Page content padding inside main-area */
.main-area > .container-fluid:first-of-type,
.main-area > .container:first-of-type {
  padding-top: 1.5rem;
  padding-bottom: 1.5rem;
}