/* 6SNT.ADIF-HUB - estilos. Estructura del mockup aprobado; colores de la marca 6SNT
   (esmeralda #10b981, ambar #ffae00, obsidiana en oscuro). Solo fuentes del sistema:
   la web no hace ninguna peticion externa. */

:root {
    --bg: #f4f6f8;
    --surface: #ffffff;
    --surface-2: #eef1f5;
    --text: #141a22;
    --text-2: #4a5566;
    --muted: #7d889b;
    --border: rgba(20, 30, 50, 0.13);
    --border-strong: rgba(20, 30, 50, 0.24);
    --accent: #059669;
    --on-accent: #ffffff;
    --accent-soft: #e3f5ee;
    --accent-ink: #065f46;
    --warn-soft: #fff3d6;
    --warn-ink: #7a4f00;
    --warn-border: #f0c36a;
    --danger: #c62828;
    --danger-soft: #fdecec;
    --radius: 8px;
    --font-ui: "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-data: "JetBrains Mono", "Cascadia Mono", Consolas, "SFMono-Regular", Menlo, monospace;
    color-scheme: light;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #05080c;
        --surface: #0a0e17;
        --surface-2: #101826;
        --text: #e0e2e9;
        --text-2: #a3aec2;
        --muted: #6b7a96;
        --border: #162438;
        --border-strong: #24395a;
        --accent: #10b981;
        --on-accent: #02130c;
        --accent-soft: rgba(16, 185, 129, 0.13);
        --accent-ink: #6ee7b7;
        --warn-soft: rgba(255, 174, 0, 0.12);
        --warn-ink: #ffcf66;
        --warn-border: rgba(255, 174, 0, 0.45);
        --danger: #f87171;
        --danger-soft: rgba(239, 68, 68, 0.12);
        color-scheme: dark;
    }
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-ui);
    font-size: 15px;
    line-height: 1.5;
}

button {
    font: inherit;
    color: var(--text);
    background: transparent;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius);
    padding: 6px 12px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
button:hover:not(:disabled) { background: var(--surface-2); }
button:disabled { opacity: 0.45; cursor: default; }
button:focus-visible, .zona:focus-within { outline: 2px solid var(--accent); outline-offset: 2px; }
button.principal { background: var(--accent); color: var(--on-accent); border-color: var(--accent); font-weight: 600; }
button.principal:hover:not(:disabled) { filter: brightness(1.08); background: var(--accent); }
button.icono { padding: 4px 6px; border-color: transparent; }
button.icono:hover:not(:disabled) { border-color: var(--border); }
button.chico { font-size: 13px; padding: 3px 9px; }

.svg { width: 16px; height: 16px; flex: none; }
.dato { font-family: var(--font-data); font-variant-numeric: tabular-nums; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.app { max-width: 1040px; margin: 0 auto; padding: 18px 16px 40px; }

.marco { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }

.barra { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 16px; border-bottom: 1px solid var(--border); flex-wrap: wrap; }
.marca { display: flex; align-items: center; gap: 10px; min-width: 0; }
.marca .logo { width: 22px; height: 22px; color: var(--accent); }
.marca h1 { font-size: 17px; margin: 0; font-weight: 700; letter-spacing: 0.02em; }
h1:focus { outline: none; }   /* Blazor enfoca el h1 al cargar (accesibilidad); sin recuadro visible */
.marca .sub { font-size: 13px; color: var(--muted); }

.seccion { padding: 14px 16px 0; }
.seccion:last-child { padding-bottom: 16px; }
.titulo { font-size: 14px; font-weight: 600; margin: 0 0 8px; }

.zona { position: relative; border: 1.5px dashed var(--border-strong); border-radius: var(--radius); padding: 18px 14px; text-align: center; color: var(--text-2); transition: background 0.15s, border-color 0.15s; }
.zona.sobre { background: var(--accent-soft); border-color: var(--accent); }
.zona input[type=file] { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; cursor: pointer; }
.zona .principal-txt { font-size: 15px; color: var(--text); display: inline-flex; align-items: center; gap: 8px; }
.zona .ayuda-txt { font-size: 13px; margin-top: 4px; }
.debajo-zona { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin-top: 8px; flex-wrap: wrap; font-size: 13px; color: var(--muted); }

.tabla { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.fila { display: grid; grid-template-columns: 88px minmax(0, 1.3fr) 74px minmax(0, 1.5fr) 70px 92px 34px; gap: 10px; align-items: center; padding: 8px 10px; border-top: 1px solid var(--border); font-size: 14px; }
.fila:first-child { border-top: none; }
.fila.cabeza { color: var(--muted); font-size: 12px; padding-top: 7px; padding-bottom: 7px; background: var(--surface-2); }
.fila .nombre { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.fila .num { text-align: right; }
.fila.base { background: var(--warn-soft); }
.prioridad { display: flex; align-items: center; gap: 2px; color: var(--muted); }
.chip { display: inline-block; font-size: 12px; padding: 1px 7px; border-radius: 6px; background: var(--surface-2); color: var(--text-2); margin: 1px 4px 1px 0; }
.chip.ok { background: var(--accent-soft); color: var(--accent-ink); }
.chip.aviso { background: var(--warn-soft); color: var(--warn-ink); }
.rol.base { border-color: var(--warn-border); color: var(--warn-ink); }

.metricas { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; }
.metrica { background: var(--surface-2); border-radius: var(--radius); padding: 10px 12px; }
.metrica p { margin: 0; }
.metrica .et { font-size: 12px; color: var(--text-2); }
.metrica .va { font-size: 24px; font-weight: 600; }
.metrica.aviso { background: var(--warn-soft); }
.metrica.aviso .et, .metrica.aviso .va { color: var(--warn-ink); }
.metrica.ok .va { color: var(--accent-ink); }

.presencia { display: grid; grid-template-columns: minmax(90px, 160px) minmax(0, 1fr) minmax(150px, 280px); gap: 6px 10px; align-items: center; font-size: 13px; color: var(--text-2); }
.presencia .nombre { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.barrita { height: 8px; border-radius: 4px; background: var(--surface-2); overflow: hidden; }
.barrita > div { height: 100%; background: var(--accent); }

.conflicto { border: 1px solid var(--warn-border); border-radius: var(--radius); padding: 10px 12px; margin-bottom: 8px; }
.conflicto .cab { display: flex; justify-content: space-between; gap: 8px; align-items: baseline; flex-wrap: wrap; font-size: 14px; margin-bottom: 8px; }
.variantes { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 8px; }
.variante { text-align: left; display: block; padding: 7px 10px; }
.variante.sel { border: 2px solid var(--accent); padding: 6px 9px; background: var(--accent-soft); }
.variante .v { font-weight: 600; }
.variante .d { font-size: 12px; color: var(--text-2); display: block; }
.nota { font-size: 12px; color: var(--text-2); margin: 6px 0 0; }

.lista-compacta { margin: 0; padding: 0; list-style: none; font-size: 13px; }
.lista-compacta li { padding: 5px 0; border-top: 1px solid var(--border); }
.lista-compacta li:first-child { border-top: none; }

.error { color: var(--danger); background: var(--danger-soft); border-radius: var(--radius); padding: 8px 12px; font-size: 14px; margin: 0; }
.procesando { font-size: 13px; color: var(--accent-ink); }

.acciones { display: flex; justify-content: space-between; align-items: center; gap: 8px; flex-wrap: wrap; padding: 14px 16px 16px; margin-top: 14px; border-top: 1px solid var(--border); }
.acciones .grupo { display: flex; gap: 8px; flex-wrap: wrap; }

.opciones { font-size: 14px; display: flex; gap: 8px; align-items: flex-start; }
.opciones input { margin-top: 4px; }

pre.informe { font-family: var(--font-data); font-size: 12.5px; background: var(--surface-2); border-radius: var(--radius); padding: 12px; overflow: auto; max-height: 520px; margin: 0; white-space: pre; }

.ayuda { background: var(--surface-2); border-radius: var(--radius); padding: 12px 16px; font-size: 14px; color: var(--text-2); }
.ayuda h2 { font-size: 15px; color: var(--text); margin: 6px 0; }
.ayuda ol, .ayuda ul { margin: 4px 0 8px; padding-left: 22px; }

.pie { text-align: center; color: var(--muted); font-size: 12.5px; margin-top: 14px; }

@media (max-width: 760px) {
    .fila { grid-template-columns: 80px minmax(0, 1fr) 56px 74px 34px; }
    .fila .col-formato, .fila .col-estaciones { display: none; }
    .metricas { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .presencia { grid-template-columns: minmax(70px, 110px) minmax(0, 1fr); }
    .presencia .detalle { grid-column: 1 / -1; margin-bottom: 4px; }
}

/* Carga inicial y error de Blazor */
.cargando { min-height: 70vh; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px; color: var(--text-2); font-family: var(--font-ui); }
.cargando .barrita { width: 220px; }
.cargando .barrita > div { width: var(--blazor-load-percentage, 0%); transition: width 0.2s; }
#blazor-error-ui { background: var(--warn-soft); color: var(--warn-ink); bottom: 0; display: none; left: 0; padding: 0.6rem 1.25rem; position: fixed; width: 100%; z-index: 1000; font-family: var(--font-ui); }
#blazor-error-ui .reload { color: inherit; font-weight: 600; margin-left: 8px; }
#blazor-error-ui .dismiss { cursor: pointer; position: absolute; right: 0.75rem; top: 0.5rem; }