/* ModelRouter UI — Perforated Card Theme */
/* Inspired by physical tickets/boarding passes with dashed tear lines and edge notches */

:root {
  --bg-primary: #f5f0eb;
  --bg-secondary: #ebe5de;
  --bg-card: #ffffff;
  --bg-card-alt: #faf8f5;
  --bg-stub: #f7f4f0;
  --border: #d4d0cb;
  --border-hover: #b8b4ae;
  --perforation: #c8c3bc;
  --text-primary: #1a1a1a;
  --text-secondary: #5a5a5a;
  --text-muted: #9a9a9a;
  --accent: #e63946;
  --accent-hover: #d12836;
  --accent-soft: #fde8e8;
  --success: #22c55e;
  --success-soft: #dcfce7;
  --warning: #f59e0b;
  --warning-soft: #fef3c7;
  --danger: #ef4444;
  --danger-soft: #fee2e2;
  --info: #3b82f6;
  --info-soft: #dbeafe;
  --free-color: #16a34a;
  --free-soft: #dcfce7;
  --premium-color: #d97706;
  --premium-soft: #fef3c7;
  --font-mono: "JetBrains Mono", "SF Mono", "Fira Code", "Cascadia Code", monospace;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --radius: 12px;
  --shadow: 0 1px 3px rgba(0,0,0,0.04), 0 4px 12px rgba(0,0,0,0.03);
  --shadow-hover: 0 2px 8px rgba(0,0,0,0.06), 0 8px 24px rgba(0,0,0,0.05);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html {
  overflow-x: hidden;
}

body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  width: 100%;
}

/* ── Layout ──────────────────────── */

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px 48px;
}

/* ── Navigation ──────────────────── */

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
  border-bottom: 1.5px solid var(--border);
  margin-bottom: 36px;
}

.nav-brand {
  font-size: 18px;
  font-weight: 800;
  color: var(--text-primary);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.nav-brand span { color: var(--accent); }

.nav-links {
  display: flex;
  gap: 2px;
  list-style: none;
}

.nav-links li {
  flex-shrink: 0;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  transition: all 0.15s ease;
}

.nav-links a:hover { color: var(--text-primary); background: var(--bg-secondary); }
.nav-links a.active { color: var(--text-primary); background: var(--bg-card); box-shadow: var(--shadow); }

/* ── Perforated Card ─────────────── */

.card {
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 20px;
  box-shadow: var(--shadow);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
  position: relative;
}

.card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-1px);
}

.card-header {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 16px;
}

/* The perforation divider — the signature element */
.card-divider {
  border: none;
  border-top: 2px dashed var(--perforation);
  margin: 20px -24px;
  position: relative;
}

/* Semicircular notches at perforation line edges */
.card-divider::before,
.card-divider::after {
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  background: var(--bg-primary);
  border-radius: 50%;
  top: 50%;
  transform: translateY(-50%);
  border: 1.5px solid var(--border);
}

.card-divider::before {
  left: -1px;
  clip-path: inset(0 0 0 50%);
}

.card-divider::after {
  right: -1px;
  clip-path: inset(0 50% 0 0);
}

/* Card stub section (below perforation) */
.card-stub {
  background: var(--bg-stub);
  margin: 0 -24px -24px;
  padding: 16px 24px;
  border-radius: 0 0 var(--radius) var(--radius);
}

/* ── Form Elements ───────────────── */

textarea, input[type="text"], input[type="password"], input[type="date"], select {
  width: 100%;
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: 8px;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 14px;
  padding: 12px 14px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  resize: vertical;
}

textarea:focus, input:focus, select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

textarea {
  min-height: 140px;
  font-family: var(--font-sans);
}

label {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 6px;
}

/* ── Buttons ─────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 22px;
  border: 1.5px solid transparent;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.15s ease;
  font-family: var(--font-sans);
  letter-spacing: -0.01em;
}

.btn-primary {
  background: #1d3557;
  color: #f1faee;
  border-color: #1d3557;
  box-shadow: 0 2px 6px rgba(29,53,87,0.25);
}

.btn-primary:hover { background: #14243d; border-color: #14243d; box-shadow: 0 3px 10px rgba(29,53,87,0.35); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; box-shadow: none; }

.btn-secondary {
  background: #ffffff;
  color: #1d3557;
  border: 2px solid #1d3557;
  font-weight: 700;
}

.btn-secondary:hover { background: #1d3557; color: #f1faee; border-color: #1d3557; }

.btn-danger {
  background: #e63946;
  color: #f1faee;
  border-color: #e63946;
  box-shadow: 0 2px 6px rgba(230,57,70,0.25);
}

.btn-sm { padding: 6px 14px; font-size: 12px; }

/* ── Sliders ─────────────────────── */

.slider-group {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 16px;
}

.slider-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.slider-label {
  width: 60px;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.slider-value {
  width: 36px;
  text-align: right;
  font-size: 13px;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--text-primary);
}

input[type="range"] {
  flex: 1;
  height: 6px;
  background: var(--bg-secondary);
  border-radius: 3px;
  outline: none;
  -webkit-appearance: none;
  border: 1px solid var(--border);
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  border: 2px solid white;
  box-shadow: 0 1px 4px rgba(0,0,0,0.15);
}

/* ── Response Display ────────────── */

.response-area {
  background: var(--bg-card-alt);
  border: 1.5px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.8;
  white-space: pre-wrap;
  word-wrap: break-word;
  min-height: 120px;
  max-height: 500px;
  overflow-y: auto;
  color: var(--text-primary);
}

/* ── Metadata Badges ─────────────── */

.metadata {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 700;
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
  border: 1px solid;
}

.badge-provider { background: var(--accent-soft); color: var(--accent); border-color: #f5c6cb; }
.badge-model { background: var(--info-soft); color: var(--info); border-color: #b6d4fe; }
.badge-tier { background: #f3e8ff; color: #7c3aed; border-color: #d8b4fe; }
.badge-cached { background: var(--success-soft); color: var(--success); border-color: #bbf7d0; }
.badge-latency { background: var(--warning-soft); color: var(--warning); border-color: #fed7aa; }
.badge-free { background: var(--free-soft); color: var(--free-color); border-color: #bbf7d0; }
.badge-premium { background: var(--premium-soft); color: var(--premium-color); border-color: #fed7aa; }
.badge-danger { background: var(--danger-soft); color: var(--danger); border-color: #fecaca; }
.badge-safe { background: var(--success-soft); color: var(--success); border-color: #bbf7d0; }

/* ── Toggle ──────────────────────── */

.toggle-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.toggle {
  position: relative;
  width: 40px;
  height: 22px;
  background: var(--bg-secondary);
  border: 1.5px solid var(--border);
  border-radius: 11px;
  cursor: pointer;
  transition: all 0.2s;
}

.toggle.active { background: var(--accent); border-color: var(--accent); }

.toggle::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 14px;
  height: 14px;
  background: white;
  border-radius: 50%;
  transition: transform 0.2s;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.toggle.active::after { transform: translateX(18px); }

/* ── Tables ──────────────────────── */

table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1.5px solid var(--border);
  font-size: 13px;
}

th {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-bottom: 2px dashed var(--perforation);
}

tr:hover td { background: var(--bg-card-alt); }

/* ── Grid ────────────────────────── */

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.grid-3 {
  grid-template-columns: 1fr 1fr 1fr;
}

/* ── Responsive ──────────────────── */

@media (max-width: 768px) {
  .container { padding: 0 16px 32px; }

  /* Nav: horizontal scroll with visible scroll track */
  .nav { flex-direction: column; gap: 8px; padding: 12px 0; margin-bottom: 20px; position: relative; overflow: visible; }
  .nav-brand { font-size: 16px; }
  .nav-links {
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    white-space: nowrap;
    gap: 0;
    padding-bottom: 8px;
    margin: 0 -16px;
    padding-left: 16px;
    padding-right: 16px;
    scrollbar-width: thin;
    scrollbar-color: var(--border) transparent;
  }
  .nav-links::-webkit-scrollbar { height: 3px; }
  .nav-links::-webkit-scrollbar-track { background: transparent; }
  .nav-links::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
  .nav-links a { padding: 6px 10px; font-size: 12px; white-space: nowrap; }

  /* Grids collapse to 1 column */
  .grid-2, .grid-3 { grid-template-columns: 1fr !important; gap: 16px; }

  /* Cards: tighter padding */
  .card { padding: 16px; margin-bottom: 16px; }
  .card-divider { margin: 14px -16px; }
  .card-stub { margin: 0 -16px -16px; padding: 12px 16px; }
  .card-divider::before { left: -1px; }
  .card-divider::after { right: -1px; }

  /* Typography: scale down */
  .section-title { font-size: 20px; }
  .section-subtitle { font-size: 13px; margin-bottom: 20px; }
  .card-header { font-size: 10px; }

  /* Forms */
  textarea, input[type="text"], input[type="password"], select { font-size: 14px; padding: 10px 12px; }
  textarea { min-height: 80px; }

  /* Badges wrap properly */
  .metadata { gap: 6px; }
  .badge { font-size: 10px; padding: 3px 8px; }

  /* Response area */
  .response-area { padding: 14px; font-size: 13px; max-height: 350px; }

  /* Tables: smaller text, horizontal scroll */
  table { font-size: 12px; }
  th, td { padding: 8px 8px; font-size: 11px; }

  /* Sliders */
  .slider-label { width: 50px; font-size: 9px; }
  .slider-value { width: 30px; font-size: 12px; }

  /* Buttons — 32px minimum touch target */
  .btn { padding: 8px 16px; font-size: 12px; min-height: 32px; }
  .btn-sm { padding: 6px 12px; font-size: 11px; min-height: 32px; }

  /* Flex layouts */
  .flex-between { flex-direction: column; gap: 12px; align-items: stretch; }
  .send-area { flex-direction: column; gap: 8px; }
}

/* Inline 3-col grids used on rules, audit, pricing pages */
@media (max-width: 768px) {
  [style*="grid-template-columns: 1fr 1fr 1fr"],
  [style*="grid-template-columns:1fr 1fr 1fr"] {
    grid-template-columns: 1fr !important;
  }
}

/* Ensure text never overflows card boundaries */
.card { overflow: hidden; }
.card * { max-width: 100%; }
pre, code, .step-visual, .response-area { word-break: break-word; overflow-wrap: break-word; }


/* ── Status Indicators ───────────── */

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
  margin-right: 6px;
}

.status-dot.green { background: var(--success); box-shadow: 0 0 6px rgba(34,197,94,0.4); }
.status-dot.yellow { background: var(--warning); box-shadow: 0 0 6px rgba(245,158,11,0.4); }
.status-dot.red { background: var(--danger); box-shadow: 0 0 6px rgba(239,68,68,0.4); }

/* ── Loading Spinner ─────────────── */

.spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ── Section Headers ─────────────── */

.section-title {
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 6px;
}

.section-subtitle {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 28px;
}

/* ── Utility ─────────────────────── */

.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.gap-8 { gap: 8px; }
.gap-16 { gap: 16px; }
.text-muted { color: var(--text-muted); }
.text-mono { font-family: var(--font-mono); }
.hidden { display: none; }

/* ── Provider Cards (Settings) ──── */

.provider-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.provider-card {
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 0;
  box-shadow: var(--shadow);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
  position: relative;
  overflow: hidden;
}

.provider-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-1px);
}

.provider-card-top { padding: 20px 20px 16px; }

.provider-name-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}

.provider-name {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.provider-badge-free, .provider-badge-paid {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 6px;
  font-size: 10px;
  font-weight: 700;
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.provider-badge-free { background: var(--free-soft); color: var(--free-color); border: 1px solid #bbf7d0; }
.provider-badge-paid { background: var(--premium-soft); color: var(--premium-color); border: 1px solid #fed7aa; }

.provider-desc {
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 12px;
  line-height: 1.5;
}

.provider-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  margin-bottom: 14px;
  transition: color 0.15s ease;
}

.provider-link:hover { color: var(--accent-hover); }

.provider-input-row {
  display: flex;
  gap: 8px;
  align-items: stretch;
}

.provider-input-row input { flex: 1; font-size: 13px; padding: 10px 12px; }
.provider-input-row .btn { white-space: nowrap; padding: 10px 14px; font-size: 12px; }

.provider-card-divider {
  border: none;
  border-top: 2px dashed var(--perforation);
  margin: 0;
  position: relative;
}

.provider-card-divider::before,
.provider-card-divider::after {
  content: "";
  position: absolute;
  width: 16px;
  height: 16px;
  background: var(--bg-primary);
  border-radius: 50%;
  top: 50%;
  transform: translateY(-50%);
  border: 1.5px solid var(--border);
}

.provider-card-divider::before { left: -1px; clip-path: inset(0 0 0 50%); }
.provider-card-divider::after { right: -1px; clip-path: inset(0 50% 0 0); }

.provider-card-status {
  background: var(--bg-stub);
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.status-indicator {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.03em;
}

.status-indicator.connected { color: var(--success); }
.status-indicator.disconnected { color: var(--text-muted); }

@media (max-width: 768px) {
  .provider-grid { grid-template-columns: 1fr !important; }
}