:root {
  --font-sans: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --shadow-soft: 0 12px 40px rgba(11, 18, 32, 0.12);
  --shadow-card: 0 16px 44px rgba(15, 23, 42, 0.10);
  --shadow-focus: 0 0 0 4px rgba(59, 130, 246, 0.16);

  --bg: #f4f7fb;
  --bg-soft: #eef3fa;
  --surface: rgba(255, 255, 255, 0.88);
  --surface-strong: rgba(255, 255, 255, 0.96);
  --surface-muted: rgba(245, 248, 252, 0.92);
  --text: #10213a;
  --text-soft: #5e718e;
  --text-faint: #8492aa;
  --border: rgba(103, 128, 170, 0.18);
  --border-strong: rgba(103, 128, 170, 0.28);
  --primary: #3b82f6;
  --primary-strong: #2563eb;
  --primary-soft: rgba(59, 130, 246, 0.12);
  --success: #16a34a;
  --success-soft: rgba(22, 163, 74, 0.16);
  --warning: #d97706;
  --warning-soft: rgba(217, 119, 6, 0.16);
  --danger: #dc2626;
  --danger-soft: rgba(220, 38, 38, 0.16);
  --danger-surface: #fff5f5;
  --info: #0f766e;
  --info-soft: rgba(15, 118, 110, 0.15);
  --muted: #94a3b8;
  --paused: rgba(100, 116, 139, 0.18);
  --gradient-1: radial-gradient(circle at top left, rgba(59, 130, 246, 0.18), transparent 42%);
  --gradient-2: radial-gradient(circle at top right, rgba(16, 185, 129, 0.12), transparent 36%);
  --gradient-3: linear-gradient(135deg, rgba(255,255,255,0.84), rgba(255,255,255,0.68));
}

html[data-theme="dark"] {
  --bg: #0a1020;
  --bg-soft: #0f1730;
  --surface: rgba(13, 20, 39, 0.84);
  --surface-strong: rgba(15, 23, 42, 0.96);
  --surface-muted: rgba(17, 26, 48, 0.92);
  --text: #edf4ff;
  --text-soft: #9aa8c1;
  --text-faint: #73839f;
  --border: rgba(151, 170, 215, 0.14);
  --border-strong: rgba(151, 170, 215, 0.24);
  --primary: #7cb8ff;
  --primary-strong: #4f9bff;
  --primary-soft: rgba(124, 184, 255, 0.15);
  --success: #22c55e;
  --success-soft: rgba(34, 197, 94, 0.18);
  --warning: #f59e0b;
  --warning-soft: rgba(245, 158, 11, 0.18);
  --danger: #ff6b6b;
  --danger-soft: rgba(255, 107, 107, 0.18);
  --danger-surface: rgba(100, 30, 36, 0.30);
  --info: #22d3ee;
  --info-soft: rgba(34, 211, 238, 0.14);
  --paused: rgba(148, 163, 184, 0.18);
  --shadow-soft: 0 20px 60px rgba(0, 0, 0, 0.34);
  --shadow-card: 0 24px 60px rgba(0, 0, 0, 0.28);
  --gradient-1: radial-gradient(circle at top left, rgba(76, 156, 255, 0.18), transparent 42%);
  --gradient-2: radial-gradient(circle at top right, rgba(17, 184, 150, 0.12), transparent 36%);
  --gradient-3: linear-gradient(135deg, rgba(18, 27, 50, 0.85), rgba(15, 21, 38, 0.72));
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
}

a {
  color: var(--primary-strong);
  text-decoration: none;
}

a:hover { text-decoration: underline; }

code, pre {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

code {
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--surface-muted);
  border: 1px solid var(--border);
  font-size: .9em;
}

pre {
  white-space: pre-wrap;
  word-break: break-word;
}

button, input, textarea, select {
  font: inherit;
}

button {
  cursor: pointer;
  border: 0;
  background: none;
  color: inherit;
}

button:disabled {
  cursor: not-allowed;
  opacity: .6;
}

input, textarea {
  width: 100%;
  min-width: 0;
  color: var(--text);
  background: transparent;
  border: 0;
  outline: none;
}

textarea {
  resize: vertical;
  min-height: 180px;
  border-radius: var(--radius-md);
  padding: 16px 18px;
  background: var(--surface-muted);
  border: 1px solid var(--border);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.06);
}

textarea:focus,
.field-input:focus-within {
  border-color: var(--primary);
  box-shadow: var(--shadow-focus);
}

textarea:focus { outline: none; }

.app-background {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    var(--gradient-1),
    var(--gradient-2),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-soft) 100%);
}

.app-shell {
  position: relative;
  z-index: 1;
  width: min(1600px, calc(100% - 32px));
  margin: 24px auto 40px;
}

.auth-topbar,
.dashboard-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 22px;
  border-radius: var(--radius-xl);
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.dashboard-topbar {
  flex-wrap: wrap;
}

.brand-lockup {
  display: flex;
  align-items: center;
  gap: 16px;
}

.topbar-main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex: 1 1 720px;
  flex-wrap: wrap;
}

.brand-pill {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--primary-soft), transparent), var(--surface-muted);
  border: 1px solid var(--border);
  font-weight: 800;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.brand-icon {
  font-variation-settings: "FILL" 1;
}

.brand-note,
.topbar-copy p,
.card-header p,
.panel-note,
.snapshot-meta,
.field-help,
.small-meta,
.code-block strong,
.toggle-copy small,
.subtle-tag {
  color: var(--text-soft);
}

.topbar-copy h1,
.hero-card h1,
.card-header h2,
.detail-header h2 {
  margin: 0;
  font-size: clamp(1.55rem, 2.1vw, 2rem);
  line-height: 1.12;
}

.topbar-copy p,
.detail-header p,
.hero-copy {
  margin: 6px 0 0;
  max-width: 70ch;
}

.topbar-pills,
.toolbar-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-radius: 999px;
  background: var(--surface-muted);
  border: 1px solid var(--border);
  color: var(--text-soft);
  font-weight: 600;
}

.pill-success { color: var(--success); }
.pill-warning { color: var(--warning); }
.pill-danger { color: var(--danger); }
.pill-info { color: var(--primary-strong); }

.theme-toggle,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 46px;
  padding: 0 16px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--surface-muted);
  color: var(--text);
  text-decoration: none;
  transition: transform .18s ease, border-color .18s ease, background .18s ease;
}

.theme-toggle:hover,
.btn:hover {
  transform: translateY(-1px);
  border-color: var(--border-strong);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-strong));
  color: white;
  border-color: transparent;
}

.btn-secondary {
  background: linear-gradient(135deg, var(--surface-muted), rgba(255,255,255,0.04));
}

.btn-ghost {
  background: transparent;
}

.btn-danger {
  background: linear-gradient(135deg, var(--danger-soft), transparent), var(--danger-surface);
  color: var(--danger);
  border-color: rgba(220, 38, 38, 0.18);
}

.btn-small {
  min-height: 38px;
  padding: 0 12px;
  border-radius: 12px;
  font-size: .92rem;
}

.btn-block {
  width: 100%;
}

.alert {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-top: 18px;
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow-soft);
}

.alert strong { display: inline-block; margin-bottom: 4px; }

.alert-success {
  border-color: rgba(22, 163, 74, 0.22);
  background: linear-gradient(135deg, var(--success-soft), transparent), var(--surface);
}

.alert-danger {
  border-color: rgba(220, 38, 38, 0.22);
  background: linear-gradient(135deg, var(--danger-soft), transparent), var(--surface);
}

.alert-warning {
  border-color: rgba(217, 119, 6, 0.22);
  background: linear-gradient(135deg, var(--warning-soft), transparent), var(--surface);
}

.stats-grid {
  display: grid;
  gap: 16px;
  margin-top: 20px;
  grid-template-columns: repeat(6, minmax(0, 1fr));
}

.stat-card,
.panel,
.auth-card,
.hero-card,
.mini-card,
.snapshot-card,
.code-block {
  background: var(--gradient-3);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.stat-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px;
  border-radius: 22px;
}

.stat-card span,
.mini-card span {
  display: block;
  color: var(--text-soft);
  font-size: .92rem;
}

.stat-card strong,
.mini-card strong {
  display: block;
  margin-top: 6px;
  font-size: 1.5rem;
  line-height: 1;
}

.stat-icon,
.section-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  flex: 0 0 auto;
}

.stat-icon {
  width: 54px;
  height: 54px;
  font-size: 28px;
}

.section-icon {
  width: 50px;
  height: 50px;
  background: var(--primary-soft);
  color: var(--primary-strong);
}

.stat-icon-success { background: var(--success-soft); color: var(--success); }
.stat-icon-danger { background: var(--danger-soft); color: var(--danger); }
.stat-icon-warning { background: var(--warning-soft); color: var(--warning); }
.stat-icon-info { background: var(--info-soft); color: var(--info); }
.stat-icon-muted { background: var(--paused); color: var(--text-soft); }
.stat-icon-neutral { background: var(--primary-soft); color: var(--primary-strong); }

.auth-layout {
  display: grid;
  gap: 22px;
  margin-top: 22px;
  grid-template-columns: 1.15fr .85fr;
  align-items: stretch;
}

.hero-card,
.auth-card,
.panel {
  border-radius: var(--radius-xl);
  padding: 24px;
}

.hero-card {
  position: relative;
  overflow: hidden;
}

.hero-kicker,
.detail-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 999px;
  background: var(--primary-soft);
  color: var(--primary-strong);
  font-weight: 700;
  margin-bottom: 18px;
}

.feature-list {
  display: grid;
  gap: 16px;
  margin-top: 28px;
}

.feature-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 16px 18px;
  border-radius: 18px;
  background: var(--surface-muted);
  border: 1px solid var(--border);
}

.feature-item strong,
.toggle-copy strong,
.site-title,
.snapshot-title {
  display: block;
  margin-bottom: 4px;
}

.card-header,
.sub-panel-head {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 18px;
}

.form-stack,
.meta-stack,
.action-stack,
.code-stack {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.form-grid {
  display: grid;
  gap: 14px;
}

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

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.field-label {
  font-weight: 700;
  color: var(--text);
}

.field-input {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 54px;
  padding: 0 16px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--surface-muted);
  transition: border-color .18s ease, box-shadow .18s ease;
}

.field-input-error,
.textarea-error {
  border-color: rgba(220, 38, 38, 0.35) !important;
}

.field-error,
.small-error {
  color: var(--danger);
  font-size: .92rem;
}

.field-help {
  font-size: .9rem;
}

.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--surface-muted);
}

.toggle-copy {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.switch {
  position: relative;
  display: inline-flex;
  align-items: center;
  width: 56px;
  height: 32px;
  flex: 0 0 auto;
}

.switch input {
  position: absolute;
  inset: 0;
  opacity: 0;
}

.switch-slider {
  width: 56px;
  height: 32px;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.36);
  border: 1px solid var(--border);
  transition: background .18s ease;
}

.switch-slider::after {
  content: "";
  position: absolute;
  top: 4px;
  left: 4px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: white;
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.18);
  transition: transform .18s ease;
}

.switch input:checked + .switch-slider {
  background: linear-gradient(135deg, var(--primary), var(--primary-strong));
}

.switch input:checked + .switch-slider::after {
  transform: translateX(24px);
}

.form-actions,
.action-stack-inline {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.dashboard-grid {
  display: grid;
  gap: 20px;
  margin-top: 20px;
  grid-template-columns: minmax(360px, 460px) minmax(0, 1fr);
}

.sidebar-stack,
.content-stack,
.detail-columns {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.table-wrap {
  width: 100%;
  overflow-x: auto;
}

.monitor-table,
.compact-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  min-width: 960px;
}

.monitor-table thead th,
.compact-table thead th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: var(--surface-strong);
  color: var(--text-soft);
  font-size: .82rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  padding: 14px 14px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.monitor-table tbody td,
.compact-table tbody td {
  padding: 16px 14px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

.monitor-table tbody tr:hover,
.compact-table tbody tr:hover {
  background: rgba(59, 130, 246, 0.04);
}

.site-cell {
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 250px;
}

.meta-stack {
  gap: 6px;
  min-width: 160px;
  color: var(--text-soft);
  font-size: .95rem;
}

.stack-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 30px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  font-size: .86rem;
  text-transform: lowercase;
}

.badge-success {
  background: var(--success-soft);
  color: var(--success);
}

.badge-danger {
  background: var(--danger-soft);
  color: var(--danger);
}

.badge-danger-soft {
  background: rgba(255, 111, 97, 0.14);
  color: #ff6f61;
}

.badge-warning {
  background: var(--warning-soft);
  color: var(--warning);
}

.badge-info {
  background: var(--info-soft);
  color: var(--info);
}

.badge-muted {
  background: rgba(148, 163, 184, 0.12);
  color: var(--text-soft);
}

.badge-paused {
  background: var(--paused);
  color: var(--text-soft);
}

.action-stack {
  gap: 10px;
  min-width: 160px;
}

.detail-panel {
  padding-top: 22px;
}

.detail-header {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: flex-start;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.mini-stats {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-bottom: 18px;
}

.mini-card {
  padding: 18px;
  border-radius: 18px;
}

.sub-panel {
  padding: 0;
}

.snapshot-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.snapshot-card {
  padding: 18px;
  border-radius: 20px;
}

.snapshot-text {
  margin: 14px 0 0;
  padding: 14px;
  border-radius: 16px;
  background: var(--surface-muted);
  border: 1px solid var(--border);
  max-height: 250px;
  overflow: auto;
}

.snapshot-summary {
  margin-top: 14px;
  padding: 14px 16px;
  border-radius: 16px;
  background: var(--surface-muted);
  border: 1px solid var(--border);
}

.code-block {
  padding: 16px;
  border-radius: 18px;
}

.code-block code {
  display: block;
  margin-top: 10px;
  white-space: normal;
  border-radius: 12px;
  padding: 12px 14px;
  background: var(--surface-muted);
}

.empty-state {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px;
  border-radius: 20px;
  border: 1px dashed var(--border-strong);
  background: var(--surface-muted);
  color: var(--text-soft);
}

.empty-state.compact {
  padding: 16px;
}

.material-symbols-rounded {
  font-size: 1.3rem;
  vertical-align: middle;
}

.theme-toggle .material-symbols-rounded,
.btn .material-symbols-rounded,
.pill .material-symbols-rounded,
.brand-pill .material-symbols-rounded,
.hero-kicker .material-symbols-rounded,
.detail-eyebrow .material-symbols-rounded,
.alert .material-symbols-rounded {
  font-size: 1.18rem;
}

@media (max-width: 1320px) {
  .stats-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .dashboard-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 980px) {
  .auth-layout,
  .snapshot-grid,
  .two-cols,
  .mini-stats {
    grid-template-columns: 1fr;
  }

  .auth-topbar,
  .dashboard-topbar,
  .detail-header {
    align-items: stretch;
  }

  .topbar-main {
    flex-direction: column;
    align-items: stretch;
  }
}

@media (max-width: 760px) {
  .app-shell {
    width: min(100% - 18px, 100%);
    margin: 12px auto 26px;
  }

  .hero-card,
  .auth-card,
  .panel,
  .auth-topbar,
  .dashboard-topbar {
    padding: 18px;
    border-radius: 22px;
  }

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

  .brand-lockup,
  .toolbar-actions,
  .topbar-pills {
    width: 100%;
  }

  .toolbar-actions .btn,
  .toolbar-actions .theme-toggle {
    flex: 1 1 auto;
  }

  .toggle-row,
  .form-actions {
    align-items: stretch;
    flex-direction: column;
  }
}

@media (max-width: 520px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .btn,
  .theme-toggle {
    width: 100%;
  }
}