/* Hidro Mercedes · MVP sin mapa
 * Diseño: tarjetas blancas sobre fondo claro, estados en tonos suaves (fondo tenue + texto oscuro),
 * medidor graduado, barra de flujo hidrológico. Mobile-first, claro/oscuro. */

:root {
  --font: "Plus Jakarta Sans", "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --bg: #f8fafc; --card: #ffffff; --ink: #0f172a; --muted: #64748b; --line: #e2e8f0; --soft: #f1f5f9;
  --accent: #0369a1; --accent-soft: #e0f2fe;
  --shadow: 0 10px 25px -5px rgba(15, 23, 42, 0.05), 0 4px 10px -6px rgba(15, 23, 42, 0.04);
  --radius: 16px;
  --agua-a: #7dd3fc; --agua-b: #0ea5e9; --agua-c: #0369a1;

  /* Estados: fondo tenue · texto oscuro · borde · relleno del medidor */
  --ok-bg: #dcfce7;        --ok-ink: #166534;        --ok-line: #bbf7d0;        --ok-a: #86efac;        --ok-b: #22c55e;
  --alerta-bg: #fef3c7;    --alerta-ink: #92400e;    --alerta-line: #fde68a;    --alerta-a: #fcd34d;    --alerta-b: #f59e0b;
  --rambla-bg: #ffedd5;    --rambla-ink: #9a3412;    --rambla-line: #fed7aa;    --rambla-a: #fdba74;    --rambla-b: #f97316;
  --viviendas-bg: #fee2e2; --viviendas-ink: #991b1b; --viviendas-line: #fecaca; --viviendas-a: #fca5a5; --viviendas-b: #ef4444;
  --nd-bg: #f1f5f9;        --nd-ink: #475569;        --nd-line: #e2e8f0;        --nd-a: #cbd5e1;        --nd-b: #94a3b8;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1220; --card: #111a2b; --ink: #e2e8f0; --muted: #94a3b8; --line: #1f2c40; --soft: #172236;
    --accent: #38bdf8; --accent-soft: #0c2a3d;
    --shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.35);
    --ok-bg: #0f2e1d;        --ok-ink: #86efac;        --ok-line: #14532d;
    --alerta-bg: #33260a;    --alerta-ink: #fcd34d;    --alerta-line: #78350f;
    --rambla-bg: #35190b;    --rambla-ink: #fdba74;    --rambla-line: #7c2d12;
    --viviendas-bg: #3a1212; --viviendas-ink: #fca5a5; --viviendas-line: #7f1d1d;
    --nd-bg: #1a2434;        --nd-ink: #cbd5e1;        --nd-line: #2b3a50;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font: 400 16px/1.55 var(--font); background: var(--bg); color: var(--ink); -webkit-font-smoothing: antialiased; }
[hidden] { display: none !important; }
h1, h2, p { margin: 0; }
.meta { color: var(--muted); font-size: .88rem; }
.sub { color: var(--muted); font-size: .9rem; }

/* ---------- Encabezado ---------- */
.top { max-width: 720px; margin: 0 auto; padding: 22px 16px 10px; display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 12px 16px; }
.marca-sitio h1 { display: flex; align-items: center; gap: 10px; font-size: 1.45rem; font-weight: 800; letter-spacing: -.03em; }
.marca-sitio h1::before { content: ""; flex: 0 0 auto; width: 18px; height: 18px; border-radius: 0 60% 60% 60%; transform: rotate(45deg);
  background: linear-gradient(135deg, var(--agua-a), var(--agua-c)); box-shadow: 0 3px 8px -2px rgba(3, 105, 161, .5); }
.marca-sitio .sub { margin: 2px 0 0 28px; }

/* Insignia «en vivo» */
.vivo { --bg-t: var(--nd-bg); --ink-t: var(--nd-ink); --line-t: var(--nd-line); --punto: var(--nd-b);
  display: inline-flex; align-items: center; gap: 10px; padding: 7px 14px 7px 12px; border-radius: 999px;
  background: var(--bg-t); border: 1px solid var(--line-t); max-width: 100%; }
.vivo[data-tono="ok"]    { --bg-t: var(--ok-bg);       --ink-t: var(--ok-ink);       --line-t: var(--ok-line);       --punto: var(--ok-b); }
.vivo[data-tono="aviso"] { --bg-t: var(--alerta-bg);   --ink-t: var(--alerta-ink);   --line-t: var(--alerta-line);   --punto: var(--alerta-b); }
.vivo[data-tono="mal"]   { --bg-t: var(--viviendas-bg); --ink-t: var(--viviendas-ink); --line-t: var(--viviendas-line); --punto: var(--viviendas-b); }
.punto { flex: 0 0 auto; width: 9px; height: 9px; border-radius: 50%; background: var(--punto); }
.vivo[data-tono="ok"] .punto { animation: titila 1.8s ease-out infinite; }
.vivo-txt { display: grid; line-height: 1.25; font-size: .74rem; color: var(--ink-t); opacity: .85; }
.vivo-txt strong { font-size: .82rem; font-weight: 700; opacity: 1; }
@keyframes titila {
  0%   { box-shadow: 0 0 0 0 color-mix(in srgb, var(--punto) 55%, transparent); }
  70%  { box-shadow: 0 0 0 8px transparent; }
  100% { box-shadow: 0 0 0 0 transparent; }
}

/* ---------- Estructura y tarjetas ---------- */
main { max-width: 720px; margin: 0 auto; padding: 6px 16px 8px; display: grid; grid-template-columns: minmax(0, 1fr); gap: 16px; }
.panel, .hero { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow); }
h2 { margin-bottom: 10px; font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .09em; color: var(--muted); }
.panel.viejo .stats { opacity: .55; }

.alerta { padding: 12px 16px; border-radius: 14px; background: var(--alerta-bg); color: var(--alerta-ink); border: 1px solid var(--alerta-line); font-weight: 600; font-size: .9rem; }
.alerta p + p { margin-top: 4px; }

/* ---------- 1. Semáforo + medidor ---------- */
.hero { --st-bg: var(--nd-bg); --st-ink: var(--nd-ink); --st-line: var(--nd-line); --st-a: var(--nd-a); --st-b: var(--nd-b);
  background: linear-gradient(180deg, color-mix(in srgb, var(--st-bg) 70%, var(--card)) 0, var(--card) 170px); }
.hero[data-estado="ok"]        { --st-bg: var(--ok-bg);        --st-ink: var(--ok-ink);        --st-line: var(--ok-line);        --st-a: var(--ok-a);        --st-b: var(--ok-b); }
.hero[data-estado="alerta"]    { --st-bg: var(--alerta-bg);    --st-ink: var(--alerta-ink);    --st-line: var(--alerta-line);    --st-a: var(--alerta-a);    --st-b: var(--alerta-b); }
.hero[data-estado="rambla"]    { --st-bg: var(--rambla-bg);    --st-ink: var(--rambla-ink);    --st-line: var(--rambla-line);    --st-a: var(--rambla-a);    --st-b: var(--rambla-b); }
.hero[data-estado="viviendas"] { --st-bg: var(--viviendas-bg); --st-ink: var(--viviendas-ink); --st-line: var(--viviendas-line); --st-a: var(--viviendas-a); --st-b: var(--viviendas-b); }

/* Selector de día integrado a la tarjeta */
.viendo { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 14px; margin: 0 0 16px; padding-bottom: 14px; border-bottom: 1px solid var(--line); }
.viendo label { font-size: .82rem; font-weight: 600; color: var(--muted); }
.viendo select {
  appearance: none; -webkit-appearance: none; font: 600 .92rem/1.2 var(--font); color: var(--ink); cursor: pointer;
  min-width: 200px; max-width: 100%; padding: 9px 38px 9px 16px; border-radius: 999px; border: 1px solid var(--line); background-color: var(--soft);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5l5 5 5-5' fill='none' stroke='%2364748b' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 15px center; transition: background-color .15s, border-color .15s, box-shadow .15s; }
.viendo select:hover { border-color: color-mix(in srgb, var(--muted) 45%, var(--line)); background-color: color-mix(in srgb, var(--soft) 70%, var(--line)); }
.viendo select:focus-visible { outline: none; border-color: var(--accent); box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 22%, transparent); }
.viendo option { color: #0f172a; background: #fff; }

.estado { font-size: clamp(1.75rem, 6.4vw, 2.5rem); line-height: 1.08; font-weight: 800; letter-spacing: -.035em; color: var(--st-ink); }
.estado-sub { display: inline-block; margin-top: 10px; padding: 4px 14px; border-radius: 14px; background: var(--st-bg); border: 1px solid var(--st-line);
  color: var(--st-ink); font-size: .95rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.estado-sub:empty { display: none; }
.regimen { margin-top: 14px; padding: 10px 14px; border-radius: 12px; font-size: .9rem; font-weight: 600; line-height: 1.45;
  background: var(--ok-bg); color: var(--ok-ink); border: 1px solid var(--ok-line); }
.regimen[data-tono="cambio"] { background: var(--alerta-bg); color: var(--alerta-ink); border-color: var(--alerta-line); }
.regimen[data-tono="neutro"] { background: var(--accent-soft); color: var(--accent); border-color: color-mix(in srgb, var(--accent) 25%, transparent); }
#hero-meta { margin-top: 6px; }

/* Medidor de cota: regla graduada (la escala es de 5 m → marca menor cada 0,1 m y mayor cada 0,5 m).
 * Si cambia CONFIG.ejeMin / ejeMax en app.js, ajustar --paso-menor y --paso-mayor. */
.escala { --paso-menor: 2%; --paso-mayor: 10%; position: relative; margin: 26px 2px 0; padding-bottom: 66px; }
.escala.viejo { opacity: .5; filter: grayscale(.6); }
.riel { position: relative; height: 28px; border-radius: 9px; background: linear-gradient(180deg, var(--soft), color-mix(in srgb, var(--soft) 60%, var(--card)));
  border: 1px solid color-mix(in srgb, var(--muted) 35%, var(--line)); box-shadow: inset 0 2px 3px rgba(15, 23, 42, .08); }
.zona { position: absolute; left: 0; top: 0; bottom: 0; border-radius: 8px 0 0 8px; transition: width .5s cubic-bezier(.3, .7, .2, 1);
  background: linear-gradient(90deg, var(--st-a), var(--st-b)); opacity: .9; box-shadow: inset 0 -6px 8px -6px rgba(255, 255, 255, .6); }
.riel::before, .riel::after { content: ""; position: absolute; left: 0; right: 0; pointer-events: none; z-index: 1; background-repeat: no-repeat; }
.riel::before { top: 0; height: 12px;
  background-image: repeating-linear-gradient(90deg, color-mix(in srgb, var(--ink) 55%, transparent) 0 1.5px, transparent 1.5px var(--paso-mayor)),
                    repeating-linear-gradient(90deg, color-mix(in srgb, var(--ink) 30%, transparent) 0 1px, transparent 1px var(--paso-menor));
  background-size: 100% 12px, 100% 6px; background-position: 0 0, 0 0; }
.riel::after { bottom: 0; height: 12px;
  background-image: repeating-linear-gradient(90deg, color-mix(in srgb, var(--ink) 55%, transparent) 0 1.5px, transparent 1.5px var(--paso-mayor)),
                    repeating-linear-gradient(90deg, color-mix(in srgb, var(--ink) 30%, transparent) 0 1px, transparent 1px var(--paso-menor));
  background-size: 100% 12px, 100% 6px; background-position: 0 100%, 0 100%; }
/* Aguja indicadora */
.marca { position: absolute; z-index: 2; top: -9px; bottom: -6px; width: 3px; margin-left: -1.5px; border-radius: 3px; background: var(--st-ink);
  box-shadow: 0 0 0 2px var(--card), 0 3px 8px rgba(15, 23, 42, .3); transition: left .5s cubic-bezier(.3, .7, .2, 1); }
.marca::before { content: ""; position: absolute; top: -7px; left: 50%; transform: translateX(-50%); border: 6px solid transparent; border-top: 8px solid var(--st-ink); border-bottom: 0; }
.marca.menor::after { content: "◀"; position: absolute; left: -20px; top: 50%; transform: translateY(-50%); font-size: .75rem; color: var(--st-ink); }
/* Hitos de referencia */
.hitos { position: absolute; left: 0; right: 0; top: 36px; }   /* 8 px bajo la regla (28 px) */
.hito { position: absolute; transform: translateX(-50%); text-align: center; line-height: 1.2; font-size: .72rem; color: var(--muted); white-space: nowrap; }
.hito i { display: block; width: 2px; height: 9px; margin: 0 auto 3px; border-radius: 2px; background: var(--muted); opacity: .8; }
.hito b { display: block; color: var(--ink); font-size: .82rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.hito:first-child { transform: translateX(-30%); }
.hito:last-child { transform: translateX(-62%); }

/* ---------- 2. Palmar + tránsito de la onda ---------- */
.stats { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.stat { background: var(--bg); border: 1px solid var(--line); border-radius: 14px; padding: 12px 14px; display: grid; gap: 2px; align-content: start; }
.etq { font-size: .76rem; font-weight: 500; color: var(--muted); line-height: 1.3; }
.stat strong { font-size: clamp(1.2rem, 5.4vw, 1.65rem); white-space: nowrap; line-height: 1.15; font-weight: 800; letter-spacing: -.02em; color: var(--accent); font-variant-numeric: tabular-nums; }

/* Barra de flujo hidrológico */
.ruta { display: flex; align-items: flex-start; margin: 18px 0 6px; }
.ruta .nodo { margin-top: 0; }
.nodo { position: relative; z-index: 1; flex: 0 0 auto; min-width: 84px; text-align: center; padding: 9px 12px; background: var(--card); border: 1px solid var(--line); border-radius: 14px;
  box-shadow: 0 6px 14px -8px rgba(15, 23, 42, .25); }
.nodo b { display: block; font-size: .92rem; font-weight: 700; }
.nodo span { font-size: .72rem; color: var(--muted); }
.rio { flex: 1; position: relative; height: 56px; margin: 0 -8px; min-width: 60px; }
.rio i { position: absolute; left: 0; right: 0; top: 4px; height: 18px; border-radius: 999px; overflow: hidden;
  background-color: var(--agua-b);
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='44' height='18' viewBox='0 0 44 18'%3E%3Cpath d='M0 7Q11-1 22 7T44 7' fill='none' stroke='white' stroke-opacity='.6' stroke-width='1.8'/%3E%3C/svg%3E"),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='28' height='18' viewBox='0 0 28 18'%3E%3Cpath d='M0 12Q7 6 14 12T28 12' fill='none' stroke='white' stroke-opacity='.3' stroke-width='1.6'/%3E%3C/svg%3E"),
    linear-gradient(90deg, var(--agua-a), var(--agua-b) 45%, var(--agua-c));
  background-repeat: repeat-x, repeat-x, no-repeat; background-size: 44px 18px, 28px 18px, 100% 100%;
  box-shadow: inset 0 2px 4px rgba(3, 69, 110, .35), 0 0 0 1px rgba(3, 105, 161, .25); animation: corre 3.4s linear infinite; }
.rio i::after { content: ""; position: absolute; top: 0; bottom: 0; left: -35%; width: 35%; background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .5), transparent); animation: brillo 3.4s ease-in-out infinite; }
.rio em { position: absolute; z-index: 1; left: 50%; top: 30px; transform: translateX(-50%); white-space: nowrap; font-style: normal; font-size: .74rem; font-weight: 700; color: var(--accent); padding: 3px 11px; border-radius: 999px;
  background: var(--card); border: 1px solid var(--line); box-shadow: 0 3px 8px -4px rgba(15, 23, 42, .3); font-variant-numeric: tabular-nums; }
@keyframes corre { to { background-position: 44px 0, 28px 0, 0 0; } }
@keyframes brillo { 0% { left: -35%; } 100% { left: 110%; } }
#tr-texto { line-height: 1.5; }

/* ---------- 3. Emisión y fuentes ---------- */
.emi-linea { margin: 0 0 8px; display: flex; flex-wrap: wrap; align-items: center; gap: 8px 10px; font-weight: 700; font-variant-numeric: tabular-nums; }
.badge { display: inline-flex; align-items: center; gap: 7px; padding: 4px 12px; border-radius: 999px; font-size: .8rem; font-weight: 700;
  color: var(--nd-ink); background: var(--nd-bg); border: 1px solid var(--nd-line); }
.badge::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.badge[data-tono="ok"]  { color: var(--ok-ink); background: var(--ok-bg); border-color: var(--ok-line); }
.badge[data-tono="mal"] { color: var(--viviendas-ink); background: var(--viviendas-bg); border-color: var(--viviendas-line); }
#emi-comunicado:empty { display: none; }
#emi-comunicado { margin-top: 4px; }
.fuentes { margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--line); font-size: .82rem; color: var(--muted); }
.fuentes p + p { margin-top: 5px; }
.fuentes a { color: var(--accent); font-weight: 600; text-underline-offset: 2px; }

footer { max-width: 720px; margin: 0 auto; padding: 8px 16px 32px; color: var(--muted); font-size: .78rem; }

/* ---------- Interacción ---------- */
.hero.destello, .panel.destello { animation: destello .8s ease-out; }
@keyframes destello { from { box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 35%, transparent), var(--shadow); } to { box-shadow: var(--shadow); } }
@media (prefers-reduced-motion: reduce) {
  .punto, .rio i, .rio i::after, .hero.destello, .panel.destello { animation: none; }
  .zona, .marca { transition: none; }
}
@media (max-width: 480px) { .nodo { min-width: 0; padding: 8px 10px; } .nodo span { display: none; } .nodo b { font-size: .85rem; } .rio { margin: 0 -6px; } }

/* ---------- 4. Avisos por correo ---------- */
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.trampa { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
#avisos form { margin: 12px 0 4px; }
.form-fila { display: flex; flex-wrap: wrap; gap: 8px; }
.form-fila input { flex: 1 1 14rem; min-width: 0; font: 500 .95rem/1.2 var(--font); color: var(--ink); background: var(--soft);
  border: 1px solid var(--line); border-radius: 12px; padding: 11px 14px; }
.form-fila input:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.form-fila button { font: 700 .92rem/1.2 var(--font); color: #fff; background: var(--accent); border: 0; border-radius: 12px; padding: 11px 18px; cursor: pointer; }
.form-fila button:disabled { opacity: .55; cursor: default; }
#avisos-msg { min-height: 1.4em; margin-top: 8px; }
@media (prefers-color-scheme: dark) { .form-fila button { color: #0b1220; } }

/* ---------- Chat ---------- */
.sugerencias { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0 4px; }
.sugerencia { font: 600 .82rem/1.25 var(--font); color: var(--accent); background: var(--accent-soft); border: 1px solid var(--line);
  border-radius: 999px; padding: 7px 13px; cursor: pointer; text-align: left; }
.sugerencia:hover { border-color: var(--accent); }
.chat-lista { display: flex; flex-direction: column; gap: 8px; max-height: 360px; overflow-y: auto; margin: 10px 0; }
.chat-lista:empty { display: none; }
.burbuja { max-width: 88%; padding: 10px 14px; border-radius: 14px; font-size: .92rem; line-height: 1.45; white-space: pre-wrap; overflow-wrap: anywhere; }
.burbuja.user { align-self: flex-end; color: #fff; background: var(--accent); border-bottom-right-radius: 4px; }
.burbuja.bot { align-self: flex-start; background: var(--soft); border: 1px solid var(--line); border-bottom-left-radius: 4px; }
.burbuja.espera { color: var(--muted); font-style: italic; }
.burbuja.error { color: var(--viviendas-ink); background: var(--viviendas-bg); border-color: var(--viviendas-line); }
#chat-form { margin: 8px 0 4px; }
@media (prefers-color-scheme: dark) { .burbuja.user { color: #0b1220; } }