/**
 * IMPERIO — Admin Panel Premium UI (Fase 12B)
 */

/* ── Refined palette overlay ── */
:root {
  --surface-0: #060a12;
  --surface-1: #0c1220;
  --surface-2: #121a2b;
  --surface-3: #1a2438;
  --accent: #f43f5e;
  --accent-glow: rgba(244, 63, 94, 0.35);
  --accent-gradient: linear-gradient(135deg, #f43f5e 0%, #e11d48 50%, #be123c 100%);
  --success-glow: rgba(16, 185, 129, 0.25);
  --warning-glow: rgba(245, 158, 11, 0.25);
  --danger-glow: rgba(239, 68, 68, 0.25);
  --info-glow: rgba(59, 130, 246, 0.25);
  --glass-border: rgba(255, 255, 255, 0.06);
  --glass-highlight: rgba(255, 255, 255, 0.03);
}

body {
  background: var(--surface-0);
  background-image:
    radial-gradient(ellipse 120% 80% at 0% -30%, rgba(244, 63, 94, 0.12), transparent 50%),
    radial-gradient(ellipse 80% 60% at 100% 0%, rgba(59, 130, 246, 0.08), transparent 45%),
    radial-gradient(ellipse 60% 40% at 50% 100%, rgba(16, 185, 129, 0.04), transparent 50%);
}

/* ── Sidebar premium ── */
.admin-sidebar {
  background: linear-gradient(180deg, rgba(12, 18, 32, 0.98) 0%, rgba(6, 10, 18, 0.99) 100%);
  border-right: 1px solid var(--glass-border);
}

.sidebar-brand {
  padding: var(--space-5) var(--space-4);
  background: var(--glass-highlight);
}

.sidebar-brand-logo {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--accent-gradient);
  box-shadow: 0 4px 20px var(--accent-glow);
  font-size: 15px;
}

.sidebar-brand-text strong {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.nav-link {
  padding: 0.7rem var(--space-3);
  border-radius: 10px;
  font-size: 13px;
  position: relative;
}

.nav-link.active {
  background: linear-gradient(90deg, rgba(244, 63, 94, 0.18) 0%, rgba(244, 63, 94, 0.06) 100%);
  color: #fda4af;
  box-shadow: inset 3px 0 0 var(--accent);
}

.nav-section-advanced {
  margin-top: var(--space-2);
  border-top: 1px dashed var(--glass-border);
  padding-top: var(--space-2);
}

.nav-advanced-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.55rem var(--space-3);
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  font-family: inherit;
  border-radius: var(--radius-md);
  transition: all var(--transition);
}

.nav-advanced-toggle:hover {
  color: var(--text-secondary);
  background: var(--glass-highlight);
}

.nav-advanced-toggle svg {
  transition: transform var(--transition);
}

.nav-section-advanced.is-open .nav-advanced-toggle svg {
  transform: rotate(180deg);
}

.nav-advanced-items {
  display: none;
  padding-top: var(--space-1);
}

.nav-section-advanced.is-open .nav-advanced-items {
  display: block;
}

/* ── Header premium ── */
.admin-header {
  height: 72px;
  background: rgba(6, 10, 18, 0.85);
  border-bottom: 1px solid var(--glass-border);
}

.page-title h1 {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 600;
  border: 1px solid var(--glass-border);
  background: var(--glass-highlight);
}

.status-pill-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}

.status-pill.ok .status-pill-dot { background: var(--success); box-shadow: 0 0 10px var(--success-glow); }
.status-pill.warn .status-pill-dot { background: var(--warning); box-shadow: 0 0 10px var(--warning-glow); }
.status-pill.error .status-pill-dot { background: var(--danger); box-shadow: 0 0 10px var(--danger-glow); }

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.85); }
}

/* ── Page hero ── */
.page-hero {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-6);
  margin-bottom: var(--space-6);
  padding: var(--space-6);
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, rgba(244, 63, 94, 0.08) 0%, rgba(59, 130, 246, 0.05) 100%);
  border: 1px solid var(--glass-border);
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(244, 63, 94, 0.15), transparent 70%);
  pointer-events: none;
}

.page-hero-content {
  position: relative;
  z-index: 1;
}

.page-hero-eyebrow {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #fda4af;
  margin-bottom: var(--space-2);
}

.page-hero h2 {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  margin: 0 0 var(--space-2);
  line-height: 1.2;
}

.page-hero p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 14px;
  max-width: 520px;
}

.page-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  position: relative;
  z-index: 1;
  flex-shrink: 0;
}

/* ── KPI cards ── */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--space-4);
}

.kpi-card {
  padding: var(--space-5);
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, var(--surface-2) 0%, var(--surface-1) 100%);
  border: 1px solid var(--glass-border);
  transition: all 0.25s ease;
  position: relative;
  overflow: hidden;
}

.kpi-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  opacity: 0;
  transition: opacity 0.25s;
}

.kpi-card:hover {
  transform: translateY(-3px);
  border-color: rgba(255, 255, 255, 0.1);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

.kpi-card:hover::after { opacity: 1; }

.kpi-card.accent::after { background: var(--accent-gradient); }
.kpi-card.success::after { background: linear-gradient(90deg, var(--success), #34d399); }
.kpi-card.warning::after { background: linear-gradient(90deg, var(--warning), #fbbf24); }
.kpi-card.info::after { background: linear-gradient(90deg, var(--info), #60a5fa); }
.kpi-card.danger::after { background: linear-gradient(90deg, var(--danger), #f87171); }

.kpi-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: var(--space-4);
}

.kpi-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.kpi-icon.accent { background: rgba(244, 63, 94, 0.15); color: #fda4af; }
.kpi-icon.success { background: var(--success-soft); color: var(--success); }
.kpi-icon.warning { background: var(--warning-soft); color: var(--warning); }
.kpi-icon.info { background: var(--info-soft); color: var(--info); }
.kpi-icon.danger { background: var(--danger-soft); color: var(--danger); }

.kpi-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.kpi-value {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--text);
}

.kpi-meta {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: var(--space-2);
}

.kpi-badge {
  font-size: 10px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ── Section panels ── */
.panel {
  border-radius: var(--radius-lg);
  background: var(--surface-1);
  border: 1px solid var(--glass-border);
  overflow: hidden;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--glass-border);
  background: var(--glass-highlight);
}

.panel-header h3 {
  margin: 0;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.panel-header-sub {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 400;
}

.panel-body {
  padding: var(--space-5);
}

.panel-body-flush {
  padding: 0;
}

/* ── Progress bar premium ── */
.progress-track {
  height: 10px;
  background: var(--surface-3);
  border-radius: var(--radius-full);
  overflow: hidden;
  position: relative;
}

.progress-fill {
  height: 100%;
  border-radius: var(--radius-full);
  background: var(--accent-gradient);
  transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.progress-fill::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.25), transparent);
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.progress-stats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--glass-border);
}

.progress-stat {
  flex: 1;
  min-width: 120px;
}

.progress-stat-label {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.progress-stat-value {
  font-size: 18px;
  font-weight: 700;
  margin-top: 4px;
}

/* ── Health provider cards ── */
.provider-health-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-4);
}

.provider-health-card {
  padding: var(--space-5);
  border-radius: var(--radius-lg);
  background: var(--surface-2);
  border: 1px solid var(--glass-border);
  transition: all 0.2s;
}

.provider-health-card.online {
  border-color: rgba(16, 185, 129, 0.25);
  box-shadow: 0 0 30px rgba(16, 185, 129, 0.06);
}

.provider-health-card.offline {
  border-color: rgba(239, 68, 68, 0.25);
}

.provider-health-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
}

.provider-health-name {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.provider-health-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}

.provider-health-metric {
  text-align: center;
  padding: var(--space-3);
  background: var(--glass-highlight);
  border-radius: var(--radius-md);
}

.provider-health-metric-value {
  font-size: 18px;
  font-weight: 700;
}

.provider-health-metric-label {
  font-size: 10px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-top: 2px;
}

/* ── Data table premium ── */
.data-table tbody tr:last-child td {
  border-bottom: none;
}

.data-table tbody tr {
  border-left: 3px solid transparent;
}

.data-table tbody tr:hover {
  background: rgba(244, 63, 94, 0.04);
  border-left-color: var(--accent);
}

/* ── Action bar ── */
.action-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
}

.btn-primary {
  background: var(--accent-gradient);
  border: none;
  box-shadow: 0 4px 16px var(--accent-glow);
}

.btn-primary:hover:not(:disabled) {
  box-shadow: 0 6px 24px var(--accent-glow);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
}

.btn-outline:hover:not(:disabled) {
  border-color: rgba(255, 255, 255, 0.15);
  color: var(--text);
  background: var(--glass-highlight);
}

/* ── Cache section grid ── */
.cache-section-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: var(--space-3);
}

.cache-section-item {
  padding: var(--space-4);
  text-align: center;
  border-radius: var(--radius-md);
  background: var(--surface-2);
  border: 1px solid var(--glass-border);
  transition: all 0.2s;
}

.cache-section-item:hover {
  border-color: rgba(244, 63, 94, 0.3);
  transform: translateY(-2px);
}

.cache-section-name {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: var(--space-2);
}

.cache-section-count {
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.cache-section-size {
  font-size: 10px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ── Activity feed ── */
.activity-item {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--glass-border);
  transition: background 0.15s;
}

.activity-item:hover {
  background: var(--glass-highlight);
}

.activity-item:last-child {
  border-bottom: none;
}

.activity-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-top: 6px;
  flex-shrink: 0;
}

.activity-dot.danger { background: var(--danger); }
.activity-dot.success { background: var(--success); }
.activity-dot.neutral { background: var(--text-muted); }

/* ── Login premium ── */
.login-page {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.login-brand {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 64px;
  background: linear-gradient(135deg, #0c1220 0%, #1a0a12 50%, #0c1220 100%);
  position: relative;
  overflow: hidden;
}

.login-brand::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 80%, rgba(244, 63, 94, 0.2), transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(59, 130, 246, 0.15), transparent 50%);
}

.login-brand-content {
  position: relative;
  z-index: 1;
}

.login-brand-logo {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: var(--accent-gradient);
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 20px;
  color: #fff;
  box-shadow: 0 8px 32px var(--accent-glow);
  margin-bottom: var(--space-6);
}

.login-brand h1 {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.15;
  margin-bottom: var(--space-4);
}

.login-brand p {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 400px;
  line-height: 1.6;
}

.login-features {
  margin-top: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.login-feature {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: 14px;
  color: var(--text-secondary);
}

.login-feature-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: rgba(244, 63, 94, 0.12);
  display: grid;
  place-items: center;
  color: #fda4af;
  flex-shrink: 0;
}

.login-form-side {
  display: grid;
  place-items: center;
  padding: 48px;
  background: var(--surface-0);
}

.login-form-card {
  width: 100%;
  max-width: 400px;
}

.login-form-card h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.login-form-card .subtitle {
  color: var(--text-muted);
  font-size: 14px;
  margin-bottom: var(--space-6);
}

.w-100 { width: 100%; }

/* ── Layout helpers ── */
.layout-sidebar-form {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: var(--space-6);
  align-items: start;
}

.layout-sidebar-form .panel-sidebar {
  position: sticky;
  top: calc(var(--header-height) + var(--space-4));
}

.section-title {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: var(--space-6) 0 var(--space-3);
}

.section-title:first-child {
  margin-top: 0;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

.token-card {
  padding: var(--space-5);
  border-radius: var(--radius-lg);
  background: var(--surface-2);
  border: 1px solid var(--glass-border);
  transition: all 0.2s;
}

.token-card:hover {
  border-color: rgba(244, 63, 94, 0.25);
  transform: translateY(-2px);
}

.competition-card {
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  background: var(--surface-2);
  border: 1px solid var(--glass-border);
  transition: all 0.2s;
  cursor: default;
}

.competition-card:hover {
  border-color: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

.setup-step {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  background: var(--surface-2);
  border: 1px solid var(--glass-border);
  margin-bottom: var(--space-3);
  transition: border-color 0.2s;
}

.setup-step:hover {
  border-color: rgba(244, 63, 94, 0.2);
}

.setup-step.done {
  border-color: rgba(16, 185, 129, 0.25);
}

@media (max-width: 992px) {
  .layout-sidebar-form {
    grid-template-columns: 1fr;
  }
  .layout-sidebar-form .panel-sidebar {
    position: static;
  }
}

/* ── Animations ── */
.fade-in {
  animation: fadeIn 0.4s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.admin-content > * {
  animation: fadeIn 0.35s ease-out;
}

/* ── Responsive ── */
@media (max-width: 992px) {
  .page-hero {
    flex-direction: column;
    padding: var(--space-5);
  }

  .login-page {
    grid-template-columns: 1fr;
  }

  .login-brand {
    padding: 40px 32px;
    min-height: auto;
  }

  .login-brand h1 {
    font-size: 1.75rem;
  }

  .provider-health-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .kpi-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .kpi-value {
    font-size: 1.35rem;
  }
}