:root {
    --bg: #0f1420;
    --bg-card: #1a2030;
    --bg-card-hover: #222a3d;
    --border: #2a3550;
    --text: #e6ecf4;
    --text-muted: #8994aa;
    --accent: #60a5fa;
    --accent-hover: #93c5fd;
    --ok: #4ade80;
    --warn: #facc15;
    --err: #f87171;
    --crit: #ef4444;
}

* { box-sizing: border-box; }

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

header {
    padding: 1rem 2rem;
    border-bottom: 1px solid var(--border);
    background: var(--bg-card);
}
header .header-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    flex-wrap: wrap;
    max-width: 1280px;
    margin: 0 auto;
}
header h1 {
    margin: 0;
    font-size: 1.4rem;
    font-weight: 600;
}
header h1 .header-sub {
    color: var(--text-muted);
    font-weight: 400;
    font-size: 1rem;
}

.main-nav {
    display: flex;
    gap: 0.5rem;
}
.nav-btn {
    width: auto;
    padding: 0.5rem 1rem;
    background: transparent;
    color: var(--text-muted);
    border: 1px solid var(--border);
    border-radius: 4px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
}
.nav-btn:hover { color: var(--text); border-color: var(--text-muted); background: transparent; }
.nav-btn.active {
    background: var(--accent);
    color: #0a0e18;
    border-color: var(--accent);
}

.vista[hidden] { display: none; }
.vista { display: grid; gap: 1.5rem; }

.humedales-controls { grid-template-columns: 350px 1fr; }

.hum-toggle-catalogo {
    display: flex !important;
    align-items: center;
    gap: 0.5rem;
    margin: 0.75rem 0 !important;
    font-size: 0.85rem;
    color: var(--text);
    cursor: pointer;
}
.hum-toggle-catalogo input {
    display: inline !important;
    width: auto !important;
    margin: 0 !important;
}
.volcan-icon {
    font-size: 18px;
    text-align: center;
    line-height: 22px;
    background: transparent !important;
    border: none !important;
    filter: drop-shadow(0 1px 2px rgba(0,0,0,0.6));
}
#map-humedales { height: 600px; min-height: 500px; padding: 0; overflow: hidden; }
#map-humedales > * { height: 100%; width: 100%; border-radius: 8px; }

#hum-detalle h3 { color: var(--accent); }
#hum-detalle-info dl {
    display: grid;
    grid-template-columns: max-content 1fr;
    gap: 0.4rem 1rem;
    margin: 0;
    font-size: 0.9rem;
}
#hum-detalle-info dt { color: var(--text-muted); }
#hum-detalle-info dd { margin: 0; }
#hum-detalle-info a { color: var(--accent); }

.leaflet-popup-content-wrapper {
    background: var(--bg-card);
    color: var(--text);
    border-radius: 6px;
}
.leaflet-popup-tip { background: var(--bg-card); }
.leaflet-popup-content { margin: 0.75rem 1rem; font-size: 0.85rem; }
.leaflet-popup-content b { color: var(--accent); }
.leaflet-popup-content button {
    width: 100%;
    margin-top: 0.5rem;
    padding: 0.4rem;
    font-size: 0.8rem;
}

.hum-hidrico-loading {
    margin-top: 1rem;
    padding: 0.75rem;
    background: var(--bg);
    border-radius: 6px;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.hidrico-card {
    margin-top: 1rem;
    padding: 1rem;
    background: var(--bg);
    border-left: 4px solid var(--accent);
    border-radius: 6px;
}
.hidrico-head {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-bottom: 0.5rem;
}
.hidrico-cat {
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    color: #fff;
    font-weight: 700;
    font-size: 0.85rem;
}
.hidrico-score, .hidrico-tendencia {
    color: var(--text-muted);
    font-size: 0.85rem;
}
.hidrico-desc {
    margin: 0.5rem 0 0.75rem;
    font-size: 0.9rem;
    color: var(--text);
}
.hidrico-vars {
    display: grid;
    grid-template-columns: max-content 1fr;
    gap: 0.3rem 1rem;
    margin: 0;
    font-size: 0.85rem;
}
.hidrico-vars dt { color: var(--text-muted); }
.hidrico-vars dd { margin: 0; font-weight: 500; }
.hidrico-fuente {
    margin: 0.75rem 0 0;
    font-size: 0.75rem;
    color: var(--text-muted);
    font-style: italic;
}

main {
    max-width: 1280px;
    margin: 0 auto;
    padding: 1.5rem;
    display: grid;
    gap: 1.5rem;
}

.controls {
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: 1rem;
}
@media (max-width: 800px) {
    .controls { grid-template-columns: 1fr; }
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1.25rem;
}

.card h2, .card h3 { margin: 0 0 1rem; font-size: 1.1rem; }

label {
    display: block;
    margin-bottom: 0.75rem;
    font-size: 0.85rem;
    color: var(--text-muted);
}
label input, label select {
    display: block;
    width: 100%;
    padding: 0.5rem 0.65rem;
    margin-top: 0.25rem;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text);
    font-size: 0.9rem;
}
label input:focus { outline: 1px solid var(--accent); border-color: var(--accent); }

.row { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; }

button {
    width: 100%;
    padding: 0.65rem;
    background: var(--accent);
    color: #0a0e18;
    border: none;
    border-radius: 4px;
    font-weight: 600;
    cursor: pointer;
    font-size: 0.95rem;
}
button:hover { background: var(--accent-hover); }
button:disabled { opacity: 0.5; cursor: wait; }

.btn-secondary {
    margin-top: 0.5rem;
    background: transparent;
    color: var(--accent);
    border: 1px solid var(--accent);
}
.btn-secondary:hover {
    background: rgba(96, 165, 250, 0.08);
    color: var(--accent-hover);
}
.btn-secondary[hidden] { display: none; }

.btn-descargar-tab {
    width: auto;
    margin-left: auto;
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    font-weight: 600;
    background: var(--accent);
    color: #0a0e18;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    align-self: center;
}
.btn-descargar-tab:hover { background: var(--accent-hover); }
.btn-descargar-tab[hidden] { display: none; }

.hint { font-size: 0.8rem; color: var(--text-muted); margin: 0.75rem 0 0; }

.map { min-height: 360px; padding: 0; overflow: hidden; }
#map { height: 100%; width: 100%; min-height: 360px; border-radius: 8px; }

.grid-resumen {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 0.75rem;
}
.grid-resumen .tile {
    background: var(--bg);
    padding: 0.75rem;
    border-radius: 6px;
    border-left: 3px solid var(--accent);
}
.grid-resumen .tile .tile-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.grid-resumen .tile .tile-value {
    font-size: 1.4rem;
    font-weight: 600;
    margin-top: 0.15rem;
}
.grid-resumen .tile .tile-extra {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

.placeholder { color: var(--text-muted); font-style: italic; }

.tabs {
    display: flex;
    gap: 0.5rem;
    border-bottom: 1px solid var(--border);
    padding-bottom: 0;
    margin-top: 0.5rem;
    flex-wrap: wrap;
}
.tab {
    flex: 0 0 auto;
    width: auto;
    background: transparent;
    color: var(--text-muted);
    padding: 0.6rem 1rem;
    border-bottom: 2px solid transparent;
    border-radius: 0;
    font-weight: 500;
}
.tab:hover { color: var(--text); background: transparent; }
.tab.active { color: var(--accent); border-bottom-color: var(--accent); }

.panel { display: none; }
.panel.active { display: block; }

.mini-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 0.5rem;
    margin-bottom: 1rem;
}
.mini-grid .tile {
    background: var(--bg);
    padding: 0.6rem;
    border-radius: 4px;
    font-size: 0.85rem;
}
.mini-grid .tile b {
    display: block;
    font-size: 1.05rem;
    margin-bottom: 0.1rem;
}

table { width: 100%; border-collapse: collapse; font-size: 0.8rem; margin-top: 1rem; }
th, td { padding: 0.4rem 0.5rem; text-align: right; border-bottom: 1px solid var(--border); }
th { font-weight: 600; color: var(--text-muted); text-align: right; }
td:first-child, th:first-child { text-align: left; }

.pill {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    border-radius: 10px;
    font-size: 0.75rem;
    font-weight: 600;
}
.pill.bajo, .pill.pobre, .pill.no-viable, .pill.sin-nevada, .pill.limitada { background: #1f2937; color: #9ca3af; }
.pill.moderado, .pill.marginal, .pill.medio, .pill.nevada-debil { background: #78350f; color: #fde68a; }
.pill.alto, .pill.bueno, .pill.nevada-moderada { background: #166534; color: #86efac; }
.pill.muy.alto, .pill.muy-alto, .pill.excelente, .pill.nevada-fuerte { background: #047857; color: #a7f3d0; }
.pill.extremo, .pill.clase-1, .pill.tormenta-de-nieve { background: #7f1d1d; color: #fecaca; }

#rosa-vientos { font-family: monospace; white-space: pre; line-height: 1.2; font-size: 0.85rem; }

footer {
    margin-top: 2rem;
    padding: 1.5rem 2rem;
    border-top: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.85rem;
    text-align: center;
}
footer a { color: var(--accent); text-decoration: none; }
footer a:hover { text-decoration: underline; }

canvas { max-width: 100%; height: auto !important; }

.loading { opacity: 0.5; pointer-events: none; }
.error-msg {
    padding: 0.75rem;
    background: #450a0a;
    border-left: 3px solid var(--crit);
    border-radius: 4px;
    color: #fecaca;
    font-size: 0.9rem;
}