/* Codex Phase 2: professional UI polish layer
   Frontend-only visual refinement. Loaded after styles.css. */

:root {
  --cv-bg: #eef3fb;
  --cv-surface: #ffffff;
  --cv-surface-strong: #f7faff;
  --cv-border: #d5e0ee;
  --cv-border-strong: #b9c8dc;
  --cv-text: #111827;
  --cv-muted: #64748b;
  --cv-primary: #1d4ed8;
  --cv-primary-strong: #1e40af;
  --cv-primary-soft: #e0ebff;
  --cv-primary-soft-text: #193b77;
  --cv-shadow-sm: 0 14px 40px rgba(15, 23, 42, 0.08);
  --cv-shadow-md: 0 28px 80px rgba(15, 23, 42, 0.14);
  --cv-shadow-lg: 0 36px 110px rgba(15, 23, 42, 0.18);
  --cv-radius-sm: 12px;
  --cv-radius-md: 18px;
  --cv-radius-lg: 26px;
}

[data-theme="dark"] {
  --cv-bg: #070c18;
  --cv-surface: #101827;
  --cv-surface-strong: #172033;
  --cv-border: #263247;
  --cv-border-strong: #40516f;
  --cv-text: #edf4ff;
  --cv-muted: #a3b1ca;
  --cv-primary: #78a6ff;
  --cv-primary-strong: #a7c2ff;
  --cv-primary-soft: #20365e;
  --cv-primary-soft-text: #dfebff;
  --cv-shadow-sm: 0 16px 48px rgba(0, 0, 0, 0.32);
  --cv-shadow-md: 0 30px 92px rgba(0, 0, 0, 0.46);
  --cv-shadow-lg: 0 40px 120px rgba(0, 0, 0, 0.56);
}

html {
  scroll-behavior: smooth;
}

body {
  background:
    radial-gradient(circle at 10% 0%, rgba(29, 78, 216, 0.16), transparent 30%),
    radial-gradient(circle at 90% 8%, rgba(16, 185, 129, 0.10), transparent 26%),
    linear-gradient(180deg, var(--cv-bg), var(--cv-surface-strong));
}

.cv-app-frame {
  grid-template-columns: 282px minmax(0, 1fr);
  background:
    radial-gradient(circle at 75% 0%, rgba(29, 78, 216, 0.13), transparent 26%),
    radial-gradient(circle at 28% 18%, rgba(16, 185, 129, 0.08), transparent 24%),
    linear-gradient(180deg, rgba(255,255,255,0.15), rgba(255,255,255,0)),
    var(--cv-bg);
}

.cv-sidebar {
  padding: 26px 18px;
  border-right-color: rgba(148, 163, 184, 0.28);
  background: linear-gradient(180deg, rgba(255,255,255,0.96), rgba(248,251,255,0.90));
  backdrop-filter: blur(18px);
  box-shadow: 18px 0 55px rgba(15, 23, 42, 0.06);
}

[data-theme="dark"] .cv-sidebar {
  background: linear-gradient(180deg, rgba(16, 24, 39, 0.96), rgba(17, 24, 39, 0.88));
  border-right-color: rgba(99, 116, 150, 0.28);
}

.cv-brand {
  gap: 14px;
  padding: 4px 4px 14px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.22);
}

.cv-logo {
  width: 46px;
  height: 46px;
  border-radius: 17px;
  background:
    linear-gradient(135deg, #1d4ed8, #3b82f6 55%, #10b981);
  box-shadow: 0 14px 30px rgba(29, 78, 216, 0.28);
  letter-spacing: -0.08em;
}

.cv-brand strong {
  display: block;
  font-size: 1.03rem;
  letter-spacing: -0.04em;
}

.cv-brand span {
  font-size: 0.82rem;
  font-weight: 800;
  color: var(--cv-muted);
}

.cv-nav {
  gap: 7px;
}

.cv-nav-item {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 46px;
  padding: 11px 14px 11px 16px;
  border: 1px solid transparent;
  border-radius: 15px;
  color: var(--cv-muted);
  font-weight: 850;
  letter-spacing: -0.01em;
  transition: transform .16s ease, background-color .16s ease, color .16s ease, border-color .16s ease, box-shadow .16s ease;
}

.cv-nav-item::before {
  content: "";
  width: 8px;
  height: 8px;
  margin-right: 12px;
  border-radius: 999px;
  background: currentColor;
  opacity: 0.35;
}

.cv-nav-item:hover {
  transform: translateX(3px);
  border-color: rgba(148, 163, 184, 0.30);
  background: rgba(255, 255, 255, 0.72);
  color: var(--cv-text);
}

[data-theme="dark"] .cv-nav-item:hover {
  background: rgba(255, 255, 255, 0.05);
}

.cv-nav-item.active {
  color: var(--cv-primary-soft-text);
  border-color: rgba(29, 78, 216, 0.18);
  background: linear-gradient(135deg, var(--cv-primary-soft), rgba(255,255,255,0.75));
  box-shadow: 0 12px 28px rgba(29, 78, 216, 0.12);
}

[data-theme="dark"] .cv-nav-item.active {
  background: linear-gradient(135deg, var(--cv-primary-soft), rgba(120, 166, 255, 0.08));
}

.cv-nav-item.active::before {
  opacity: 1;
  box-shadow: 0 0 0 5px rgba(29, 78, 216, 0.12);
}

.cv-build {
  margin-top: auto;
  padding: 14px;
  border: 1px solid rgba(148, 163, 184, 0.24);
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(255,255,255,0.74), rgba(255,255,255,0.48));
  color: var(--cv-muted);
  line-height: 1.4;
}

[data-theme="dark"] .cv-build {
  background: rgba(255, 255, 255, 0.045);
}

.cv-main {
  padding: 32px;
  gap: 26px;
}

.cv-topbar {
  position: sticky;
  top: 18px;
  z-index: 20;
  padding: 22px 24px;
  border-color: rgba(148, 163, 184, 0.28);
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(18px);
  box-shadow: var(--cv-shadow-sm);
}

[data-theme="dark"] .cv-topbar {
  background: rgba(16, 24, 39, 0.80);
}

.cv-topbar h1 {
  margin-top: -2px;
  font-size: clamp(1.7rem, 3vw, 2.15rem);
  line-height: 0.98;
  letter-spacing: -0.055em;
}

.cv-topbar .eyebrow {
  margin-bottom: 8px;
}

.card {
  position: relative;
  overflow: hidden;
  padding: 30px;
  border-color: rgba(148, 163, 184, 0.30);
  background: linear-gradient(180deg, rgba(255,255,255,0.94), rgba(255,255,255,0.86));
  box-shadow: var(--cv-shadow-sm);
}

[data-theme="dark"] .card {
  background: linear-gradient(180deg, rgba(16, 24, 39, 0.94), rgba(15, 23, 42, 0.88));
}

.card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.82), transparent);
  pointer-events: none;
}

.card-header {
  margin-bottom: 24px;
}

.card-title {
  font-size: 1.38rem;
  line-height: 1.08;
  letter-spacing: -0.045em;
}

.card-description {
  max-width: 780px;
  line-height: 1.58;
}

.metrics-grid {
  gap: 14px;
}

.metric-card {
  min-height: 104px;
  padding: 16px;
  border-color: rgba(148, 163, 184, 0.28);
  background:
    radial-gradient(circle at top right, rgba(29, 78, 216, 0.08), transparent 38%),
    rgba(255,255,255,0.62);
  transition: transform .16s ease, border-color .16s ease, box-shadow .16s ease;
}

[data-theme="dark"] .metric-card {
  background:
    radial-gradient(circle at top right, rgba(120, 166, 255, 0.13), transparent 38%),
    rgba(255,255,255,0.045);
}

.metric-card:hover {
  transform: translateY(-2px);
  border-color: rgba(29, 78, 216, 0.34);
  box-shadow: var(--cv-shadow-sm);
}

.metric-label {
  margin-bottom: 8px;
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.055em;
  text-transform: uppercase;
}

.metric-value {
  font-size: clamp(1.6rem, 3vw, 2.05rem);
  font-weight: 900;
  letter-spacing: -0.065em;
}

.overview-hero-card {
  min-height: 236px;
  padding: 32px;
  border-color: rgba(29, 78, 216, 0.18);
  background:
    radial-gradient(circle at 10% 0%, rgba(29, 78, 216, 0.24), transparent 36%),
    radial-gradient(circle at 94% 18%, rgba(16, 185, 129, 0.16), transparent 30%),
    linear-gradient(135deg, rgba(255,255,255,0.95), rgba(247,250,255,0.84));
  box-shadow: var(--cv-shadow-md);
}

[data-theme="dark"] .overview-hero-card {
  background:
    radial-gradient(circle at 10% 0%, rgba(120, 166, 255, 0.20), transparent 36%),
    radial-gradient(circle at 94% 18%, rgba(16, 185, 129, 0.14), transparent 30%),
    linear-gradient(135deg, rgba(16,24,39,0.96), rgba(15,23,42,0.84));
}

.overview-hero-card h2 {
  max-width: 720px;
  font-size: clamp(2rem, 4vw, 3.15rem);
  line-height: 0.94;
}

.overview-hero-card p:not(.eyebrow) {
  font-size: 1.02rem;
}

.overview-hero-actions .button,
.card-header .button {
  white-space: nowrap;
}

.overview-status-strip > div,
.setup-grid > div {
  border-color: rgba(148, 163, 184, 0.28);
  background: rgba(255,255,255,0.66);
}

[data-theme="dark"] .overview-status-strip > div,
[data-theme="dark"] .setup-grid > div {
  background: rgba(255,255,255,0.045);
}

.table-wrap {
  overflow-x: auto;
  overflow-y: hidden;
  border-color: rgba(148, 163, 184, 0.30);
  border-radius: 20px;
  box-shadow: 0 1px 0 rgba(255,255,255,0.65) inset;
}

.table-wrap .data-table {
  border-collapse: separate;
  border-spacing: 0;
}

.data-table th,
.data-table td {
  padding: 13px 14px;
}

.data-table th {
  background: linear-gradient(180deg, var(--cv-surface-strong), rgba(255,255,255,0.78));
  font-size: 0.74rem;
  font-weight: 900;
}

[data-theme="dark"] .data-table th {
  background: linear-gradient(180deg, rgba(255,255,255,0.065), rgba(255,255,255,0.035));
}

.data-table tbody tr {
  transition: background-color .14s ease, transform .14s ease;
}

.data-table tbody tr:hover {
  background: rgba(29, 78, 216, 0.055);
}

.entity-row {
  border-color: rgba(148, 163, 184, 0.28);
  background: linear-gradient(180deg, rgba(255,255,255,0.76), rgba(247,250,255,0.76));
}

[data-theme="dark"] .entity-row {
  background: linear-gradient(180deg, rgba(255,255,255,0.055), rgba(255,255,255,0.032));
}

.entity-row:hover {
  transform: translateY(-2px);
  border-color: rgba(29, 78, 216, 0.32);
}

.badge {
  border: 1px solid rgba(148, 163, 184, 0.18);
  font-weight: 900;
  letter-spacing: 0.01em;
}

.badge.success {
  box-shadow: 0 0 0 3px rgba(2, 122, 72, 0.08);
}

.badge.warning {
  box-shadow: 0 0 0 3px rgba(181, 71, 8, 0.08);
}

.badge.danger {
  box-shadow: 0 0 0 3px rgba(180, 35, 24, 0.08);
}

.button {
  min-height: 46px;
  padding: 11px 17px;
  border-radius: 14px;
  font-weight: 900;
  letter-spacing: -0.015em;
  box-shadow: 0 12px 22px rgba(29, 78, 216, 0.16);
}

.button:hover {
  transform: translateY(-2px);
}

.button.secondary {
  border: 1px solid rgba(29, 78, 216, 0.12);
  background: linear-gradient(180deg, var(--cv-primary-soft), rgba(255,255,255,0.70));
}

[data-theme="dark"] .button.secondary {
  background: linear-gradient(180deg, var(--cv-primary-soft), rgba(255,255,255,0.06));
}

.button.ghost {
  border-color: rgba(148, 163, 184, 0.34);
  background: rgba(255,255,255,0.44);
}

[data-theme="dark"] .button.ghost {
  background: rgba(255,255,255,0.035);
}

.field input,
.field select,
.form input,
.form select,
.input {
  min-height: 50px;
  border-color: rgba(100, 116, 139, 0.42);
  background: rgba(255,255,255,0.82);
  transition: border-color .16s ease, box-shadow .16s ease, background-color .16s ease;
}

[data-theme="dark"] .field input,
[data-theme="dark"] .field select,
[data-theme="dark"] .form input,
[data-theme="dark"] .form select,
[data-theme="dark"] .input {
  background: rgba(15, 23, 42, 0.86);
}

.field input:focus,
.field select:focus,
.form input:focus,
.form select:focus,
.input:focus {
  border-color: var(--cv-primary);
  box-shadow:
    0 0 0 4px rgba(29, 78, 216, 0.14),
    0 14px 34px rgba(15, 23, 42, 0.10);
}

.empty-state {
  min-height: 190px;
  border-style: solid;
  border-color: rgba(148, 163, 184, 0.34);
  background:
    radial-gradient(circle at 50% 0%, rgba(29, 78, 216, 0.10), transparent 35%),
    rgba(255,255,255,0.62);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.68);
}

[data-theme="dark"] .empty-state {
  background:
    radial-gradient(circle at 50% 0%, rgba(120, 166, 255, 0.12), transparent 35%),
    rgba(255,255,255,0.04);
}

.empty-state h3 {
  letter-spacing: -0.03em;
}

.setup-box,
.setup-note,
.site-tabs {
  border-color: rgba(148, 163, 184, 0.30);
  box-shadow: var(--cv-shadow-sm);
}

.setup-box-success {
  background:
    radial-gradient(circle at top left, rgba(2, 122, 72, 0.12), transparent 32%),
    linear-gradient(180deg, rgba(236, 253, 243, 0.92), rgba(255,255,255,0.92));
}

[data-theme="dark"] .setup-box-success {
  background:
    radial-gradient(circle at top left, rgba(61, 220, 145, 0.11), transparent 32%),
    rgba(255,255,255,0.04);
}

.login-shell {
  width: min(1280px, 100%);
  gap: clamp(28px, 5vw, 72px);
}

.login-hero h1 {
  text-wrap: balance;
}

.login-highlight-grid > div {
  border-color: rgba(148, 163, 184, 0.28);
  background: rgba(255,255,255,0.72);
  transition: transform .16s ease, box-shadow .16s ease, border-color .16s ease;
}

[data-theme="dark"] .login-highlight-grid > div {
  background: rgba(255,255,255,0.045);
}

.login-highlight-grid > div:hover {
  transform: translateY(-2px);
  border-color: rgba(29, 78, 216, 0.28);
  box-shadow: var(--cv-shadow-sm);
}

.login-card {
  border-color: rgba(148, 163, 184, 0.32);
  border-radius: 32px;
  box-shadow: var(--cv-shadow-lg);
}

.theme-toggle {
  background: rgba(255,255,255,0.64);
}

[data-theme="dark"] .theme-toggle {
  background: rgba(255,255,255,0.045);
}

@media (max-width: 1100px) {
  .cv-app-frame {
    grid-template-columns: 246px minmax(0, 1fr);
  }

  .cv-main {
    padding: 22px;
  }
}

@media (max-width: 920px) {
  .cv-app-frame {
    grid-template-columns: 1fr;
  }

  .cv-sidebar {
    position: relative;
    height: auto;
    padding: 18px;
    box-shadow: none;
  }

  .cv-brand {
    border-bottom: 0;
    padding-bottom: 0;
  }

  .cv-nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .cv-nav-item:hover {
    transform: translateY(-1px);
  }

  .cv-main {
    padding: 16px;
  }

  .cv-topbar {
    position: relative;
    top: auto;
    align-items: stretch;
  }

  .card {
    padding: 22px;
  }

  .metrics-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .cv-nav {
    grid-template-columns: 1fr;
  }

  .cv-main {
    padding: 12px;
  }

  .cv-topbar,
  .card,
  .overview-hero-card {
    border-radius: 20px;
    padding: 18px;
  }

  .metrics-grid,
  .overview-status-strip,
  .login-highlight-grid {
    grid-template-columns: 1fr;
  }

  .button {
    width: 100%;
  }

  .inline {
    align-items: stretch;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .cv-nav-item,
  .button,
  .metric-card,
  .entity-row,
  .login-highlight-grid > div {
    transition: none;
  }

  .cv-nav-item:hover,
  .button:hover,
  .metric-card:hover,
  .entity-row:hover,
  .login-highlight-grid > div:hover {
    transform: none;
  }
}