/* ============ VARIABLES (heredadas de la web principal PM) ============ */
:root {
    --color-primary: #000000;
    --color-primary-light: #333333;
    --color-accent: #667eea;
    --color-text: #000000;
    --color-text-light: #555555;
    --color-text-muted: #888888;
    --color-bg-light: #ffffff;
    --color-bg-dark: #000000;
    --color-bg-section: #f8f8f8;
    --color-border: #e5e7eb;
    --color-white: #ffffff;
    --color-green: #2d7a2d;
    --color-red: #cc3333;
    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --max-width: 1200px;
    --radius: 10px;
    --radius-sm: 8px;
    --shadow: 0 1px 3px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --transition: 0.2s ease;
}

/* ============ RESET ============ */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font);
    color: var(--color-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    background: var(--color-bg-light);
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; }

/* ============ NAV (mismo estilo que clasificacion/directorio.css) ============ */
.dir-nav {
    background: var(--color-bg-dark);
    border-bottom: 1px solid #222;
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.dir-nav-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 52px;
}

.dir-nav-brand {
    font-size: 1.4rem;
    font-weight: 700;
    color: #999;
    letter-spacing: -0.02em;
    text-decoration: none;
}

.dir-nav-brand span {
    color: #fff;
    font-weight: 800;
}

.dir-nav-links {
    display: flex;
    gap: 28px;
    align-items: center;
}

.dir-nav-links a {
    font-size: 0.88rem;
    font-weight: 500;
    color: #aaa;
    transition: var(--transition);
}

.dir-nav-links a:hover,
.dir-nav-links a.active {
    color: #fff;
}

/* ============ CONTENEDOR ============ */
.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ============ HERO ============ */
.hero {
    text-align: center;
    padding: 48px 0 32px;
}
.hero h1 {
    font-size: 2.25rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 12px;
}
.hero-sub {
    color: var(--color-text-light);
    font-size: 1.15rem;
    max-width: 600px;
    margin: 0 auto;
}

/* ============ TOOLS GRID (home) ============ */
.tools-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-top: 36px;
}
.tool-card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 32px;
}
.tool-card h2 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 8px;
}
.tool-card p { color: var(--color-text-light); margin-bottom: 16px; }
.tool-card ul { margin: 0 0 24px 20px; color: var(--color-text-light); list-style: disc; }
.tool-card li { margin-bottom: 4px; font-size: 0.95rem; }
.tool-limit { color: var(--color-text-muted); font-size: 0.85rem; margin-top: 8px; text-align: center; }

/* ============ BOTONES (mismo estilo que web principal) ============ */
.btn {
    display: inline-block;
    font-family: var(--font);
    font-weight: 600;
    font-size: 1rem;
    border-radius: var(--radius-sm);
    padding: 12px 28px;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
    text-align: center;
}
.btn-primary {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}
.btn-primary:hover {
    background: var(--color-primary-light);
    border-color: var(--color-primary-light);
    transform: translateY(-1px);
}
.btn-secondary {
    background: transparent;
    border-color: var(--color-primary);
    color: var(--color-primary);
}
.btn-secondary:hover {
    background: var(--color-primary);
    color: var(--color-white);
}
.btn-full { width: 100%; }
.btn-sm { padding: 8px 16px; font-size: 0.88rem; }

/* ============ FORMULARIOS ============ */
.form-card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 32px;
    margin-top: 24px;
}
.form-group { margin-bottom: 20px; }
.form-group label {
    display: block;
    font-weight: 600;
    font-size: 0.92rem;
    margin-bottom: 6px;
}
.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: var(--font);
    font-size: 0.95rem;
    transition: var(--transition);
}
.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0,0,0,0.06);
}
.form-group small { color: var(--color-text-muted); font-size: 0.82rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.radio-group { display: flex; gap: 16px; flex-wrap: wrap; }
.radio-group label { font-weight: 400; cursor: pointer; font-size: 0.92rem; }

/* ============ SPINNER ============ */
.spinner-card {
    text-align: center;
    padding: 48px 32px;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    margin-top: 24px;
}
.spinner {
    width: 36px; height: 36px;
    border: 3px solid var(--color-border);
    border-top: 3px solid var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 20px;
}
@keyframes spin { to { transform: rotate(360deg); } }
.progress-steps { text-align: left; max-width: 280px; margin: 16px auto 0; }
.step { color: #ccc; padding: 4px 0; font-size: 0.9rem; }
.step-active { color: var(--color-text); }

/* ============ SEMÁFOROS (estilo PM) ============ */
.semaforo-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin: 24px 0;
}
.semaforo-card {
    background: #383838;
    border-radius: var(--radius);
    padding: 24px 16px 20px;
    text-align: center;
    transition: var(--transition);
}
.semaforo-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.10);
}
.semaforo-lights {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 12px;
}
.light {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: block;
    box-shadow: 0 0 10px rgba(0,0,0,0.3);
}
.light.green { background: #2d7a2d; box-shadow: 0 0 14px rgba(45,122,45,0.5); }
.light.yellow { background: #d4a017; box-shadow: 0 0 14px rgba(212,160,23,0.5); }
.light.red { background: #cc3333; box-shadow: 0 0 14px rgba(204,51,51,0.5); }
.semaforo-card h3 {
    color: #fff;
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 4px;
}
.semaforo-card p {
    color: rgba(255,255,255,0.6);
    font-size: 0.82rem;
}

/* ============ COMPARATIVA ============ */
.comparativa-grid {
    display: grid;
    grid-template-columns: 1fr auto 1fr 1fr;
    gap: 12px;
    align-items: center;
    margin: 24px 0 8px;
}
.comp-card {
    background: var(--color-bg-section);
    border-radius: var(--radius-sm);
    padding: 20px 12px;
    text-align: center;
}
.comp-card .semaforo-lights { margin-bottom: 8px; }
.comp-vs { background: none; padding: 0; }
.comp-valor { font-size: 1.8rem; font-weight: 800; }
.comp-label { font-size: 0.82rem; color: var(--color-text-muted); margin-top: 4px; }
.comp-footnote { text-align: center; font-size: 0.82rem; color: var(--color-text-muted); margin-bottom: 16px; }

/* ============ TEMAS CON DOTS ============ */
.tema-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    border-bottom: 1px solid var(--color-border);
}
.tema-row:last-child { border-bottom: none; }
.tema-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}
.tema-dot.green { background: #2d7a2d; }
.tema-dot.red { background: #cc3333; }
.tema-dot.yellow { background: #d4a017; }
.tema-pct {
    margin-left: auto;
    font-weight: 600;
    color: var(--color-text-muted);
    font-size: 0.9rem;
}
.section-note { color: var(--color-text-muted); font-size: 0.85rem; margin-bottom: 12px; }

/* ============ INFORME ============ */
.informe { margin-top: 24px; }
.informe-header {
    text-align: center;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 32px;
    margin-bottom: 16px;
}
.rating-big {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-primary);
    margin: 8px 0;
}
.informe-section {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 16px;
}
.informe-section h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 12px;
}
.informe-warning { border-color: #e8a838; }

/* Interpretación IA */
.interpretacion p {
    margin-bottom: 12px;
    line-height: 1.7;
    color: var(--color-text-light);
}
.interpretacion p:last-child { margin-bottom: 0; }

/* Distribución bars */
.dist-row { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; }
.dist-label { width: 30px; font-weight: 600; text-align: right; font-size: 0.9rem; }
.dist-bar-bg { flex: 1; height: 18px; background: var(--color-bg-section); border-radius: 4px; overflow: hidden; }
.dist-bar { height: 100%; background: var(--color-primary); border-radius: 4px; }
.dist-value { width: 90px; font-size: 0.82rem; color: var(--color-text-muted); }

/* Reseña card */
.resena-card {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 16px;
    margin-bottom: 12px;
}
.resena-header { font-size: 0.85rem; color: var(--color-text-muted); margin-bottom: 6px; }

/* ============ RESULTADO CONTESTADOR ============ */
.resultado { margin-top: 24px; }
.resultado-header {
    background: var(--color-bg-section);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 16px;
    margin-bottom: 16px;
}
.resultado-tipo { font-size: 0.88rem; color: var(--color-text-muted); }
.resultado-resena { font-style: italic; color: var(--color-text-light); margin-top: 8px; }
.opcion-card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 16px;
}
.opcion-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.opcion-header strong { font-size: 0.92rem; }
.btn-copiar {
    padding: 6px 14px;
    background: var(--color-bg-section);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-family: var(--font);
    font-size: 0.82rem;
    font-weight: 500;
    transition: var(--transition);
}
.btn-copiar:hover { background: var(--color-border); }
.resultado-footer { text-align: center; color: var(--color-text-muted); padding: 16px 0; font-size: 0.88rem; }

/* ============ CTA ============ */
.informe-cta {
    text-align: center;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 32px;
}
.informe-cta p { margin-bottom: 16px; color: var(--color-text-light); }

/* ============ ERROR ============ */
.error-card {
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: var(--radius);
    padding: 24px;
    margin-top: 24px;
    text-align: center;
    color: var(--color-red);
}

/* ============ FOOTER ============ */
.footer {
    text-align: center;
    padding: 32px 24px;
    color: var(--color-text-muted);
    font-size: 0.82rem;
    border-top: 1px solid var(--color-border);
    margin-top: 48px;
}
.footer a { color: var(--color-text-light); }
.footer a:hover { color: var(--color-primary); }

/* ============ RESPONSIVE ============ */
@media (max-width: 640px) {
    .tools-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .hero h1 { font-size: 1.75rem; }
    .dir-nav-inner { height: 46px; }
    .dir-nav-brand { font-size: 1.1rem; }
    .dir-nav-links { gap: 16px; }
    .dir-nav-links a { font-size: 0.8rem; }
    .semaforo-grid { grid-template-columns: repeat(2, 1fr); }
    .comparativa-grid { grid-template-columns: 1fr 1fr; }
    .comp-vs { display: none; }
}