/**
 * style.css - Calculadora de escaleras y peldaños (Ley de Blondel)
 * Fijate Tools - Estándar canónico
 */

:root {
  --bg: #090d16;
  --surface: #0f172a;
  --surface-hover: #1e293b;
  --surface-active: #283548;
  --border: #1e293b;
  --border-subtle: #2d3b4e;
  --text: #f8fafc;
  --text-muted: #94a3b8;
  --primary: #38bdf8;
  --primary-hover: #0284c7;
  --primary-glow: rgba(56, 189, 248, 0.2);
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.4);
}

[data-theme="light"] {
  --bg: #f8fafc;
  --surface: #ffffff;
  --surface-hover: #f1f5f9;
  --surface-active: #e2e8f0;
  --border: #e2e8f0;
  --border-subtle: #cbd5e1;
  --text: #0f172a;
  --text-muted: #64748b;
  --primary: #0284c7;
  --primary-hover: #0369a1;
  --primary-glow: rgba(2, 132, 199, 0.12);
  --shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--bg);
  color: var(--text);
  overflow-x: clip;
  width: 100%;
  max-width: 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

h1, h2, h3, h4 {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
}

.font-mono {
  font-family: 'JetBrains Mono', monospace;
}

.tool-layout {
  max-width: 1200px;
  width: 100%;
  margin: 1.5rem auto 3rem;
  padding: 0 1rem;
  flex: 1 0 auto;
}

.tool-with-sidebar {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
}

.tool-main-content {
  flex: 1 1 0%;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.card-main {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
}

.section-title {
  font-size: 1.25rem;
  margin-bottom: 0.25rem;
}

.section-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

/* Grid de formulario */
.form-grid-stairs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.form-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
}

.input-wrap {
  display: flex;
  align-items: center;
  background: var(--bg);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  height: 42px;
  padding: 0 0.75rem;
}

.input-wrap input {
  flex: 1 1 0%;
  width: 0;
  min-width: 0;
  height: 100%;
  border: none;
  background: transparent;
  color: var(--text);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.95rem;
  outline: none;
}

.input-wrap select {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  height: 100%;
  border: none;
  background: transparent;
  color: var(--text);
  font-size: 0.9rem;
  outline: none;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
}

.input-suffix {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-left: 0.4rem;
}

/* Métricas clave */
.stairs-metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.85rem;
  margin-bottom: 1.5rem;
}

.metric-item {
  background: var(--surface-hover);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.metric-item-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-muted);
}

.metric-item-val {
  font-size: 1.35rem;
  font-weight: 800;
  font-family: 'JetBrains Mono', monospace;
  color: var(--text);
}

/* Píldoras de estado */
.status-pill-wrap {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.status-pill {
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  font-size: 0.825rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.status-success {
  background: rgba(16, 185, 129, 0.15);
  color: var(--success);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.status-warning {
  background: rgba(245, 158, 11, 0.15);
  color: var(--warning);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.status-danger {
  background: rgba(239, 68, 68, 0.15);
  color: var(--danger);
  border: 1px solid rgba(239, 68, 68, 0.3);
}

/* Visor gráfico SVG */
.stairs-viewer-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin-bottom: 1.5rem;
}

.stairs-svg-render {
  width: 100%;
  max-height: 450px;
  display: block;
}

/* Tabla de replanteo */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-top: 1rem;
}

.steps-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.85rem;
}

.steps-table th {
  background: var(--surface-hover);
  padding: 0.6rem 0.75rem;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.steps-table td {
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--border);
}

.steps-table tr:last-child td {
  border-bottom: none;
}

@media (max-width: 768px) {
  .tool-layout {
    margin: 1rem auto 2rem;
    padding: 0 0.75rem;
  }
}