/* ============================================================
   MOCKUPDOME — Design System
   Capa sobre Bootstrap 5. No reemplaza — extiende.
   ============================================================ */

/* ── Google Fonts ───────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* ── Variables globales (modo claro) ────────────────────────── */
:root {
  --font-ui:      'Inter', system-ui, sans-serif;
  --font-mono:    'JetBrains Mono', 'Courier New', monospace;
  --color-bg:         #f8f9fa;
  --color-surface:    #ffffff;
  --color-border:     #dee2e6;
  --color-text:       #212529;
  --color-text-muted: #6c757d;
  --color-shadow:     rgba(0, 0, 0, 0.08);
  --topo-primary:  #0369a1;
  --topo-light:    #e0f2fe;
  --topo-accent:   #0ea5e9;
  --topo-badge-bg: #dbeafe;
  --topo-badge-fg: #1e40af;
  --fin-primary:   #059669;
  --fin-light:     #d1fae5;
  --fin-accent:    #10b981;
  --fin-badge-bg:  #dcfce7;
  --fin-badge-fg:  #166534;
  --paint-primary: #d97706;
  --paint-light:   #fef3c7;
  --paint-accent:  #f59e0b;
  --paint-badge-bg:#fef9c3;
  --paint-badge-fg:#854d0e;
  --hvac-primary:  #0891b2;
  --hvac-light:    #cffafe;
  --hvac-accent:   #06b6d4;
  --hvac-badge-bg: #e0f7fa;
  --hvac-badge-fg: #0e7490;
  --elec-primary:  #7c3aed;
  --elec-light:    #ede9fe;
  --elec-accent:   #8b5cf6;
  --elec-badge-bg: #f5f3ff;
  --elec-badge-fg: #5b21b6;
  --radius-sm:  6px;
  --radius-md:  10px;
  --radius-lg:  16px;
  --transition: 0.2s ease;
}

[data-theme="dark"] {
  --color-bg:         #0f172a;
  --color-surface:    #1e293b;
  --color-border:     #334155;
  --color-text:       #f1f5f9;
  --color-text-muted: #94a3b8;
  --color-shadow:     rgba(0, 0, 0, 0.4);
  --topo-light:    rgba(3, 105, 161, 0.15);
  --fin-light:     rgba(5, 150, 105, 0.15);
  --paint-light:   rgba(217, 119, 6, 0.15);
  --hvac-light:    rgba(8, 145, 178, 0.15);
  --elec-light:    rgba(124, 58, 237, 0.15);
}

body { font-family: var(--font-ui); background-color: var(--color-bg); color: var(--color-text); transition: background-color var(--transition), color var(--transition); }

[data-theme="dark"] .card { background-color: var(--color-surface); border-color: var(--color-border); color: var(--color-text); }
[data-theme="dark"] .card-body { background-color: var(--color-surface); }
[data-theme="dark"] .card-title,
[data-theme="dark"] .card-header,
[data-theme="dark"] .card-footer { color: var(--color-text); }
[data-theme="dark"] .card-header { background-color: rgba(255,255,255,0.04); border-color: var(--color-border); }
[data-theme="dark"] .form-control, [data-theme="dark"] .form-select { background-color: #0f172a; border-color: var(--color-border); color: var(--color-text); }
[data-theme="dark"] .form-control::placeholder { color: var(--color-text-muted); }
[data-theme="dark"] .form-control:focus, [data-theme="dark"] .form-select:focus { background-color: #0f172a; border-color: var(--topo-accent); color: var(--color-text); box-shadow: 0 0 0 0.2rem rgba(14, 165, 233, 0.25); }
[data-theme="dark"] .form-label { color: var(--color-text-muted); }
[data-theme="dark"] .table { color: var(--color-text); border-color: var(--color-border); }
[data-theme="dark"] .table-light, [data-theme="dark"] thead.table-light { background-color: #0f172a !important; color: var(--color-text-muted); }
[data-theme="dark"] .table-bordered > :not(caption) > * > * { border-color: var(--color-border); }
[data-theme="dark"] .table-striped > tbody > tr:nth-of-type(odd) > * { background-color: rgba(255,255,255,0.03); color: var(--color-text); }
[data-theme="dark"] .navbar { background-color: var(--color-surface) !important; border-bottom: 1px solid var(--color-border); }
[data-theme="dark"] .navbar-brand, [data-theme="dark"] .navbar-brand:hover { color: var(--color-text) !important; }
[data-theme="dark"] .nav-link { color: var(--color-text-muted) !important; }
[data-theme="dark"] .nav-link:hover, [data-theme="dark"] .nav-link.active { color: var(--color-text) !important; }
[data-theme="dark"] .dropdown-menu { background-color: var(--color-surface); border-color: var(--color-border); }
[data-theme="dark"] .dropdown-item { color: var(--color-text); }
[data-theme="dark"] .dropdown-item:hover { background-color: rgba(255,255,255,0.06); color: var(--color-text); }
[data-theme="dark"] .topbar { background-color: #0f172a !important; border-bottom: 1px solid var(--color-border); }
[data-theme="dark"] .topbar a { color: var(--color-text-muted) !important; }
[data-theme="dark"] .nav-tabs { border-bottom-color: var(--color-border); }
[data-theme="dark"] .nav-tabs .nav-link { color: var(--color-text-muted) !important; border-color: transparent; }
[data-theme="dark"] .nav-tabs .nav-link.active { background-color: var(--color-surface) !important; border-color: var(--color-border) var(--color-border) var(--color-surface); color: var(--color-text) !important; }
[data-theme="dark"] .bg-light { background-color: #0f172a !important; color: var(--color-text) !important; }
[data-theme="dark"] .text-muted { color: var(--color-text-muted) !important; }
[data-theme="dark"] .alert-info { background-color: rgba(14,165,233,0.1); border-color: rgba(14,165,233,0.3); color: #7dd3fc; }
[data-theme="dark"] .badge.bg-secondary { background-color: #334155 !important; }
[data-theme="dark"] .badge.bg-info { background-color: rgba(14,165,233,0.2) !important; color: #7dd3fc !important; }
[data-theme="dark"] .badge.bg-warning { background-color: rgba(245,158,11,0.2) !important; color: #fcd34d !important; }
[data-theme="dark"] .badge.bg-success { background-color: rgba(16,185,129,0.2) !important; color: #6ee7b7 !important; }
[data-theme="dark"] .badge.bg-dark { background-color: #0f172a !important; color: #94a3b8 !important; }
[data-theme="dark"] .border { border-color: var(--color-border) !important; }
[data-theme="dark"] .input-group-text { background-color: #0f172a; border-color: var(--color-border); color: var(--color-text-muted); }

/* ── Badges de categoría ── */
.badge-topo  { background-color: var(--topo-badge-bg);  color: var(--topo-badge-fg);  font-family: var(--font-ui); font-size: 0.72rem; font-weight: 600; padding: 0.3em 0.7em; border-radius: 99px; letter-spacing: 0.03em; text-transform: uppercase; }
.badge-fin   { background-color: var(--fin-badge-bg);   color: var(--fin-badge-fg);   font-family: var(--font-ui); font-size: 0.72rem; font-weight: 600; padding: 0.3em 0.7em; border-radius: 99px; letter-spacing: 0.03em; text-transform: uppercase; }
.badge-paint { background-color: var(--paint-badge-bg); color: var(--paint-badge-fg); font-family: var(--font-ui); font-size: 0.72rem; font-weight: 600; padding: 0.3em 0.7em; border-radius: 99px; letter-spacing: 0.03em; text-transform: uppercase; }
.badge-hvac  { background-color: var(--hvac-badge-bg);  color: var(--hvac-badge-fg);  font-family: var(--font-ui); font-size: 0.72rem; font-weight: 600; padding: 0.3em 0.7em; border-radius: 99px; letter-spacing: 0.03em; text-transform: uppercase; }
.badge-elec  { background-color: var(--elec-badge-bg);  color: var(--elec-badge-fg);  font-family: var(--font-ui); font-size: 0.72rem; font-weight: 600; padding: 0.3em 0.7em; border-radius: 99px; letter-spacing: 0.03em; text-transform: uppercase; }

/* ── Breadcrumb ── */
.breadcrumb-tool { display: flex; align-items: center; gap: 0.4rem; font-size: 0.82rem; color: var(--color-text-muted); margin-bottom: 1.25rem; flex-wrap: wrap; }
.breadcrumb-tool a { color: var(--color-text-muted); text-decoration: none; transition: color var(--transition); }
.breadcrumb-tool a:hover { color: var(--color-text); }
.breadcrumb-tool .sep { opacity: 0.4; font-size: 0.75rem; }
.breadcrumb-tool .current { color: var(--color-text); font-weight: 500; }

/* ── Panel de ayuda ── */
.help-panel { background-color: var(--topo-light); border: 1px solid rgba(3,105,161,0.15); border-radius: var(--radius-md); padding: 0.9rem 1.1rem; margin-bottom: 1.5rem; font-size: 0.875rem; }
.help-panel.fin { background-color: var(--fin-light); border-color: rgba(5,150,105,0.15); }
.help-panel.paint { background-color: var(--paint-light); border-color: rgba(217,119,6,0.15); }
.help-panel summary { cursor: pointer; font-weight: 600; display: flex; align-items: center; gap: 0.5rem; list-style: none; user-select: none; color: var(--color-text); }
.help-panel summary::-webkit-details-marker { display: none; }
.help-panel summary .chevron { margin-left: auto; transition: transform var(--transition); opacity: 0.5; font-size: 0.75rem; }
.help-panel[open] summary .chevron { transform: rotate(180deg); }
.help-panel .help-body { margin-top: 0.75rem; padding-top: 0.75rem; border-top: 1px solid rgba(0,0,0,0.06); line-height: 1.65; color: var(--color-text); }
.help-panel .help-body p { margin-bottom: 0.4rem; }
.help-panel .example-box { background-color: rgba(255,255,255,0.6); border-radius: var(--radius-sm); padding: 0.5rem 0.75rem; font-family: var(--font-mono); font-size: 0.8rem; margin-top: 0.5rem; }
[data-theme="dark"] .help-panel .example-box { background-color: rgba(0,0,0,0.25); color: var(--color-text); }

/* ── Utilidades ── */
.font-mono { font-family: var(--font-mono) !important; }

/* ── Bloque resultado (tabla legacy) ── */
.result-block { font-family: var(--font-mono); font-size: 0.875rem; }
.result-block .table th { font-family: var(--font-ui); font-size: 0.78rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; color: var(--color-text-muted); }
.result-block .table td { font-family: var(--font-mono); font-size: 0.9rem; font-weight: 500; }
.result-label { font-size: 0.78rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: var(--color-text-muted); margin-bottom: 0.5rem; }
.result-number { font-family: var(--font-mono); font-size: 2rem; font-weight: 600; line-height: 1; }

/* ── Bloque resultado moderno (res-block) ── */
.res-block { border: 1px solid var(--color-border); border-radius: 6px; overflow: hidden; }
.res-primary { display: flex; flex-wrap: wrap; gap: 0; border-bottom: 1px solid var(--color-border); }
.res-secondary { display: flex; flex-wrap: wrap; gap: 0; }
.res-stat { padding: 0.6rem 1rem; min-width: 120px; flex: 1; position: relative; }
.res-stat + .res-stat::before { content: ''; position: absolute; left: 0; top: 20%; height: 60%; width: 1px; background: var(--color-border); }
.rs-label { font-family: var(--font-ui); font-size: 0.7rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: var(--color-text-muted); margin-bottom: 0.15rem; }
.rs-value { font-family: var(--font-mono); font-size: 1.05rem; font-weight: 600; color: var(--color-text); display: flex; align-items: baseline; gap: 0.2rem; }
.rs-unit  { font-size: 0.75rem; font-weight: 400; color: var(--color-text-muted); }
.res-stat.is-primary .rs-value { font-size: 1.15rem; color: var(--topo-primary); }
.res-stat.is-fin     .rs-value { color: var(--fin-primary); }
.res-stat.is-paint   .rs-value { color: var(--paint-primary); }
[data-theme="dark"] .res-block { background: var(--color-surface); }

/* ── Tool card (home) ── */
.tool-card { border: 1px solid var(--color-border); border-radius: var(--radius-lg); background-color: var(--color-surface); padding: 1.25rem; transition: box-shadow var(--transition), transform var(--transition); text-decoration: none; color: var(--color-text); display: block; }
.tool-card:hover { box-shadow: 0 8px 24px var(--color-shadow); transform: translateY(-2px); color: var(--color-text); }
.tool-card .tool-icon { width: 38px; height: 38px; border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; margin-bottom: 0.6rem; font-size: 1.1rem; }
.tool-card .tool-icon.topo  { background-color: var(--topo-light);  color: var(--topo-primary); }
.tool-card .tool-icon.fin   { background-color: var(--fin-light);   color: var(--fin-primary); }
.tool-card .tool-icon.paint { background-color: var(--paint-light); color: var(--paint-primary); }
.tool-card .tool-icon.hvac  { background-color: var(--hvac-light);  color: var(--hvac-primary); }
.tool-card .tool-icon.elec  { background-color: var(--elec-light);  color: var(--elec-primary); }
.cat-dot.hvac  { background-color: var(--hvac-primary); }
.cat-dot.elec  { background-color: var(--elec-primary); }
.help-panel.elec { background-color: var(--elec-light); border-color: rgba(124,58,237,0.15); }
.res-stat.is-elec .rs-value { color: var(--elec-primary); }
.badge-elec-warn { background-color: #fef3c7; color: #92400e; font-family: var(--font-ui); font-size: 0.72rem; font-weight: 700; padding: 0.2em 0.6em; border-radius: 99px; }
.badge-elec-danger { background-color: #fee2e2; color: #991b1b; font-family: var(--font-ui); font-size: 0.72rem; font-weight: 700; padding: 0.2em 0.6em; border-radius: 99px; }
.badge-elec-ok { background-color: #dcfce7; color: #166534; font-family: var(--font-ui); font-size: 0.72rem; font-weight: 700; padding: 0.2em 0.6em; border-radius: 99px; }
.help-panel.hvac { background-color: var(--hvac-light); border-color: rgba(8,145,178,0.15); }
.res-stat.is-hvac .rs-value { color: var(--hvac-primary); }
.tool-card .tool-name { font-weight: 600; font-size: 0.92rem; margin-bottom: 0.2rem; }
.tool-card .tool-desc { font-size: 0.8rem; color: var(--color-text-muted); line-height: 1.35; }

/* ── Hero ── */
.hero-section { background: linear-gradient(135deg, #f0f9ff 0%, #f8f9fa 60%, #f0fdf4 100%); padding: 3.5rem 0 2.5rem; }
[data-theme="dark"] .hero-section { background: linear-gradient(135deg, #0f172a 0%, #1e293b 60%, #0f2612 100%); }
.hero-section h1 { font-weight: 700; font-size: clamp(1.8rem, 4vw, 2.6rem); line-height: 1.2; }

/* ── Dark toggle button ── */
.dark-toggle { background: none; border: 1px solid var(--color-border); border-radius: 99px; width: 34px; height: 34px; display: flex; align-items: center; justify-content: center; cursor: pointer; color: var(--color-text-muted); font-size: 0.95rem; transition: all var(--transition); padding: 0; }
.dark-toggle:hover { background-color: var(--color-border); color: var(--color-text); }

/* ── Botón reusar historial ── */
.btn-reuse { font-size: 0.72rem; padding: 0.18rem 0.45rem; border-radius: var(--radius-sm); }

/* ── Categoría header ── */
.category-section-header { display: flex; align-items: center; gap: 0.6rem; margin-bottom: 0.75rem; }
.cat-dot { width: 9px; height: 9px; border-radius: 50%; flex-shrink: 0; }
.cat-dot.topo  { background-color: var(--topo-primary); }
.cat-dot.fin   { background-color: var(--fin-primary); }
.cat-dot.paint { background-color: var(--paint-primary); }

/* ══════════════════════════════════════════════
   MOBILE  (< 768px)
   ══════════════════════════════════════════════ */
@media (max-width: 767px) {

  /* ── Contenedor ── */
  .container { padding-left: 0.85rem; padding-right: 0.85rem; }

  /* ── Navbar mobile ── */
  .navbar-brand { font-size: 1.1rem; }
  .navbar-collapse .dropdown-menu {
    border: none;
    background: transparent;
    padding-left: 0.75rem;
    box-shadow: none;
  }
  .navbar-collapse .dropdown-item { padding: 0.5rem 0.75rem; border-radius: var(--radius-sm); }
  [data-theme="dark"] .navbar-collapse .dropdown-menu { background: transparent; }

  /* ── Touch targets (mínimo 44 px WCAG) ── */
  .form-control,
  .form-select { font-size: 1rem; padding: 0.65rem 0.9rem; min-height: 48px; }
  .btn          { min-height: 48px; font-size: 1rem; }
  .btn-sm       { min-height: 34px; font-size: 0.82rem; }
  .nav-link     { padding: 0.65rem 1rem; }

  /* ── Inputs número: ocultar spinners en mobile para más legibilidad ── */
  input[type="number"]::-webkit-inner-spin-button,
  input[type="number"]::-webkit-outer-spin-button { opacity: 0.3; }

  /* ── Card ── */
  .card-body { padding: 1rem; }
  .card-title.fs-4,
  h1.fs-4   { font-size: 1.15rem !important; }

  /* ── Breadcrumb compacto ── */
  .breadcrumb-tool { font-size: 0.75rem; margin-bottom: 0.75rem; gap: 0.3rem; }
  .breadcrumb-tool .ms-auto { display: none; }   /* badge categoría */

  /* ── Hero ── */
  .hero-section { padding: 1.75rem 0 1.25rem; }
  .hero-section h1 { font-size: 1.6rem; }

  /* ── Espaciado contenedores de página ── */
  .container.py-4 { padding-top: 1rem !important;   padding-bottom: 1rem !important; }
  .container.py-5 { padding-top: 1.5rem !important;  padding-bottom: 1.5rem !important; }

  /* ── res-block: 2 stats por fila en mobile ── */
  .res-stat { min-width: 48%; flex: 1 1 48%; }
  .rs-value  { font-size: 1rem; }
  .res-stat.is-primary .rs-value { font-size: 1.1rem; }

  /* ── Tablas historial: scroll horizontal con sombra lateral ── */
  .table-responsive {
    position: relative;
    -webkit-overflow-scrolling: touch;
  }
  .table-responsive::after {
    content: '';
    position: absolute;
    right: 0; top: 0; bottom: 0;
    width: 24px;
    background: linear-gradient(to right, transparent, rgba(0,0,0,0.08));
    pointer-events: none;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  }
  [data-theme="dark"] .table-responsive::after {
    background: linear-gradient(to right, transparent, rgba(0,0,0,0.3));
  }
  .table-sm td,
  .table-sm th { font-size: 0.78rem; padding: 0.35rem 0.5rem; }

  /* ── Help panel compacto ── */
  .help-panel { padding: 0.75rem 0.9rem; font-size: 0.83rem; }
  .help-panel .example-box { font-size: 0.76rem; }

  /* ── Tool cards: 2 columnas en mobile ── */
  .row.row-cols-2.row-cols-md-3 > .col,
  .row.row-cols-1.row-cols-md-3 > .col { flex: 0 0 50%; max-width: 50%; }
  .tool-card { padding: 0.9rem; }
  .tool-card .tool-name { font-size: 0.85rem; }
  .tool-card .tool-desc { font-size: 0.75rem; }

  /* ── Botón Calcular: ancho completo en mobile ── */
  .btn-calcular-mobile { width: 100% !important; }

  /* ── Tabs de herramientas ── */
  .nav-tabs .nav-link { font-size: 0.82rem; padding: 0.45rem 0.7rem; }

  /* ── Número resultado ── */
  .result-number { font-size: 1.35rem; }

  /* ── Footer ── */
  footer .footer-top { padding: 2rem 0 1rem; }
  footer .col-lg-3, footer .col-lg-2 { margin-bottom: 1rem; }
  .footer-bottom .row { flex-direction: column; gap: 0.25rem; text-align: center !important; }
  .footer-bottom .text-end { text-align: center !important; }
}