:root {
    --bg: #f5f7fa;
    --card-bg: #ffffff;
    --primary: #ff6b1a;
    --primary-dark: #e55a0e;
    --secondary: #1a73e8;
    --secondary-dark: #1557b0;
    --text: #1a2332;
    --text-soft: #5a6878;
    --border: #e1e7ef;
    --accent-bg: #fff4ed;
    --api-bg: #e8f1fd;
    --api-border: #c5dcfa;
    --success: #1b8e3a;
    --warning: #c97a0e;
    --shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
    --radius: 12px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

header {
    background: linear-gradient(135deg, #1a2332 0%, #2a3a52 100%);
    color: white;
    padding: 1.5rem 1.25rem;
    text-align: center;
}

header h1 { margin: 0; font-size: 1.5rem; font-weight: 600; letter-spacing: -0.01em; }
header .subtitle { margin: 0.25rem 0 0; opacity: 0.7; font-size: 0.85rem; }

main { max-width: 720px; margin: 0 auto; padding: 1.5rem 1.25rem 2rem; }

.search-card, .result-card {
    background: var(--card-bg); border-radius: var(--radius); padding: 1.5rem;
    box-shadow: var(--shadow); margin-bottom: 1.25rem;
}

.search-card label {
    display: block; font-weight: 600; font-size: 0.9rem; margin-bottom: 0.5rem;
    color: var(--text-soft); text-transform: uppercase; letter-spacing: 0.04em;
}

.input-row { display: flex; gap: 0.5rem; }

input[type="tel"] {
    flex: 1; padding: 0.85rem 1rem; font-size: 1.1rem; border: 2px solid var(--border);
    border-radius: 8px; background: var(--bg); color: var(--text); font-family: inherit;
    transition: border-color 0.15s; min-width: 0;
}
input[type="tel"]:focus { outline: none; border-color: var(--primary); background: white; }

button {
    padding: 0.85rem 1.5rem; font-size: 1rem; font-weight: 600; color: white;
    background: var(--primary); border: none; border-radius: 8px; cursor: pointer;
    transition: background 0.15s, transform 0.05s; font-family: inherit; white-space: nowrap;
}
button:hover { background: var(--primary-dark); }
button:active { transform: translateY(1px); }
button:disabled { opacity: 0.6; cursor: not-allowed; }

.btn-secondary {
    background: var(--secondary); width: 100%; padding: 0.85rem 1rem; margin-top: 0.5rem;
    display: flex; align-items: center; justify-content: center; gap: 0.5rem;
}
.btn-secondary:hover { background: var(--secondary-dark); }
.btn-secondary .coste {
    background: rgba(255, 255, 255, 0.2); padding: 0.15rem 0.5rem;
    border-radius: 999px; font-size: 0.8rem; font-weight: 500;
}

.hint { margin: 0.75rem 0 0; font-size: 0.85rem; color: var(--text-soft); }

.result-card { border-left: 4px solid var(--primary); }
.result-card.hidden { display: none; }
.result-card.empty { border-left-color: var(--warning); }
.result-card.error { border-left-color: #d63838; }

.result-numero { font-size: 0.85rem; color: var(--text-soft); margin-bottom: 0.25rem; }
.result-numero strong { color: var(--text); font-size: 1rem; font-family: "SF Mono", Monaco, Menlo, monospace; letter-spacing: 0.02em; }

.result-tipo {
    display: inline-block; background: var(--accent-bg); color: var(--primary-dark);
    padding: 0.25rem 0.65rem; border-radius: 999px; font-size: 0.75rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 1rem;
}

.section-label {
    font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.05em;
    color: var(--text-soft); font-weight: 600; margin: 1rem 0 0.5rem;
}

.result-asignado { background: var(--accent-bg); border-radius: 8px; padding: 1rem; margin-bottom: 0.5rem; }
.result-asignado .operador { font-size: 1.15rem; font-weight: 600; color: var(--text); line-height: 1.3; }
.result-asignado .meta { margin-top: 0.4rem; font-size: 0.85rem; color: var(--text-soft); }
.result-asignado .meta span + span::before { content: " · "; }

.otros-detalle { margin-top: 0.75rem; }
.otros-detalle summary { cursor: pointer; color: var(--text-soft); font-size: 0.85rem; padding: 0.25rem 0; }
.otros-detalle summary:hover { color: var(--text); }

.result-otros { list-style: none; margin: 0.5rem 0 0; padding: 0; }
.result-otros li { padding: 0.5rem 0; border-top: 1px solid var(--border); font-size: 0.88rem; }
.result-otros li:first-child { border-top: none; }
.result-otros .estado {
    display: inline-block; background: #eef2f7; color: var(--text-soft);
    padding: 0.1rem 0.5rem; border-radius: 4px; font-size: 0.7rem; font-weight: 600;
    text-transform: uppercase; margin-right: 0.5rem;
}
.fecha-mini { color: #7a8898; font-size: 0.8rem; margin-left: 0.5rem; }

.api-cta {
    margin-top: 1.5rem; padding-top: 1.25rem; border-top: 1px dashed var(--border);
}
.api-hint { margin: 0 0 0.5rem; font-size: 0.9rem; color: var(--text-soft); }

#resultado-api { margin-top: 1rem; }
#resultado-api.hidden { display: none; }

.api-card {
    background: var(--api-bg);
    border: 1px solid var(--api-border);
    border-radius: 10px;
    padding: 1.25rem;
}
.api-header {
    display: flex; flex-direction: column; gap: 0.25rem; margin-bottom: 1rem;
    padding-bottom: 0.75rem; border-bottom: 1px solid var(--api-border);
}
.api-badge {
    font-size: 0.75rem; font-weight: 700; color: var(--secondary-dark);
    text-transform: uppercase; letter-spacing: 0.05em;
}
.api-source { font-size: 0.75rem; color: var(--text-soft); }

.api-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 0.75rem;
}

.api-item {
    background: white;
    border-radius: 6px;
    padding: 0.6rem 0.75rem;
}
.api-item.highlight {
    grid-column: 1 / -1;
    background: var(--secondary);
    color: white;
}
.api-item-label {
    font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.05em;
    color: var(--text-soft); margin-bottom: 0.2rem;
    font-weight: 600;
}
.api-item.highlight .api-item-label { color: rgba(255,255,255,0.85); }
.api-item-value { font-size: 0.95rem; color: var(--text); font-weight: 500; word-break: break-word; }
.api-item.highlight .api-item-value { color: white; font-size: 1.15rem; font-weight: 700; }

.api-error {
    background: #fdecea; color: #b91c1c; border-radius: 8px; padding: 0.85rem;
    font-size: 0.9rem;
}

.empty-msg, .error-msg { color: var(--text); margin: 0.5rem 0 0; }
.empty-msg + p, .error-msg + p, .subtle { margin-top: 0.5rem; font-size: 0.9rem; color: var(--text-soft); }

.loading { text-align: center; padding: 1.25rem; color: var(--text-soft); font-size: 0.9rem; }

footer { margin-top: 2rem; text-align: center; }
#dataset-info { font-size: 0.8rem; color: var(--text-soft); margin-bottom: 0.75rem; }
.legal { font-size: 0.75rem; color: var(--text-soft); line-height: 1.6; margin: 0; }
.legal a { color: var(--primary-dark); text-decoration: none; }
.legal a:hover { text-decoration: underline; }

@media (max-width: 480px) {
    .input-row { flex-direction: column; }
    button { width: 100%; }
    header h1 { font-size: 1.3rem; }
    main { padding: 1rem; }
    .search-card, .result-card { padding: 1.1rem; }
    .api-grid { grid-template-columns: 1fr; }
}