/* =====================================================================
   Calculadora Agroecotoxicológica — hoja de estilos
   Lenguaje de color:
     - verde arrozal (marca / cabecera)
     - agua (métrica CTUw) y suelo (métrica CTUs)
     - escala de toxicidad relativa: musgo → paja → ladrillo
     - cultivos: colores propios de la base (ex_linea_rotacion.color)
   ===================================================================== */

:root {
    --ink: #1c2622;
    --ink-soft: #4b5a53;
    --ink-mute: #7d8a84;
    --field: #eef1ea;          /* fondo de página */
    --surface: #ffffff;
    --line: #d9dfd7;
    --line-strong: #b9c3bb;

    --paddy: #1f4d3a;          /* verde arrozal */
    --paddy-deep: #163a2c;
    --paddy-soft: #e3ece4;

    --water: #2e6f95;
    --water-soft: #e4eef5;
    --soil: #8a5a2b;
    --soil-soft: #f1e9df;

    --tox-low: #4c8c4a;
    --tox-mid: #d9a51b;
    --tox-high: #b5432e;

    --radius: 6px;
    --font: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

html { font-size: 16px; }

body {
    background-color: var(--field);
    color: var(--ink);
    font-family: var(--font);
    font-variant-numeric: tabular-nums;
    line-height: 1.5;
}

h1, h2, h3, h4, h5, h6 { font-family: var(--font); color: var(--ink); }

.num { font-variant-numeric: tabular-nums; }

/* ---------- Cabecera ---------- */
.hero {
    background: var(--paddy);
    color: #fff;
    padding: 2.5rem 0 2rem;
}
.hero h1 {
    color: #fff;
    font-weight: 600;
    font-size: clamp(1.75rem, 3.2vw, 2.6rem);
    letter-spacing: -0.01em;
    line-height: 1.1;
    margin: 0 0 0.6rem;
    max-width: 22ch;
}
.hero .tagline {
    color: #d7e5da;
    font-size: 1.05rem;
    max-width: 62ch;
    margin: 0;
}

/* Compartimientos evaluados (en la cabecera) */
.compartimientos {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1.5rem;
    margin: 1.1rem 0 0;
    padding: 0;
    font-size: 0.9rem;
    color: #d7e5da;
}
.compartimientos li { display: flex; align-items: center; gap: 0.45rem; }
.compartimientos .punto {
    width: 0.65rem; height: 0.65rem; border-radius: 50%;
    border: 1.5px solid rgba(255,255,255,0.55);
    background: transparent;
}
.compartimientos .punto.agua { background: #7fb3d5; border-color: #7fb3d5; }
.compartimientos .punto.suelo { background: #c9a06a; border-color: #c9a06a; }
.compartimientos .proximo { color: #a9bfb0; }
.compartimientos small { font-size: 0.78rem; opacity: 0.85; margin-left: 0.2rem; }

.lectura {
    font-size: 0.9rem;
    color: var(--ink-soft);
    margin: 0.75rem 0 0;
    padding-top: 0.6rem;
    border-top: 1px solid var(--line);
}

/* ---------- Barra de contexto (ELP + fecha) ---------- */
.contexto {
    background: var(--surface);
    border-bottom: 1px solid var(--line);
    position: sticky;
    top: 0;
    z-index: 20;
    padding: 0.9rem 0;
}
.contexto .form-label {
    font-size: 0.8rem;
    color: var(--ink-soft);
    margin-bottom: 0.2rem;
}
.contexto .form-select,
.contexto .form-control {
    border-color: var(--line-strong);
    font-family: var(--font);
    font-size: 0.95rem;
}
.contexto .form-select:focus,
.contexto .form-control:focus {
    border-color: var(--paddy);
    box-shadow: 0 0 0 3px rgba(31, 77, 58, 0.18);
}
.contexto .ayuda {
    font-size: 0.8rem;
    color: var(--ink-mute);
    margin-top: 0.35rem;
}
.elp-meta {
    font-size: 0.9rem;
    color: var(--ink-soft);
    margin: 0;
}
.elp-meta strong { color: var(--ink); font-weight: 600; }

/* ---------- Contenido ---------- */
.contenido { padding: 1.75rem 0 3rem; }

.seccion { margin-bottom: 2.25rem; }
.seccion-titulo {
    font-size: 1.15rem;
    font-weight: 600;
    margin: 0 0 0.25rem;
}
.seccion-intro {
    color: var(--ink-soft);
    font-size: 0.95rem;
    margin: 0 0 1rem;
    max-width: 72ch;
}

/* ---------- KPIs: una franja, no tarjetas ---------- */
.kpis {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
}
.kpi {
    padding: 1.1rem 1.25rem;
    border-right: 1px solid var(--line);
    min-width: 0;
}
.kpi:last-child { border-right: 0; }
.kpi .kpi-label {
    font-size: 0.85rem;
    color: var(--ink-soft);
    margin-bottom: 0.3rem;
}
.kpi .kpi-valor {
    font-size: 1.9rem;
    font-weight: 600;
    line-height: 1.1;
    letter-spacing: -0.01em;
}
.kpi .kpi-detalle {
    font-size: 0.85rem;
    color: var(--ink-mute);
    margin-top: 0.3rem;
}
.kpi.agua .kpi-valor { color: var(--water); }
.kpi.suelo .kpi-valor { color: var(--soil); }

@media (max-width: 991.98px) {
    .kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .kpi:nth-child(2) { border-right: 0; }
    .kpi:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
}
@media (max-width: 575.98px) {
    .kpis { grid-template-columns: 1fr; }
    .kpi { border-right: 0; border-bottom: 1px solid var(--line); }
    .kpi:last-child { border-bottom: 0; }
}

/* ---------- Paneles de gráficos ---------- */
.panel {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 1.1rem 1.25rem 1rem;
}
.panel-titulo {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 0.25rem;
}
.panel-titulo h3 {
    font-size: 1rem;
    font-weight: 600;
    margin: 0;
}
.panel-titulo .unidad {
    font-size: 0.8rem;
    color: var(--ink-mute);
    white-space: nowrap;
}
.panel-titulo.agua h3::before,
.panel-titulo.suelo h3::before {
    content: "";
    display: inline-block;
    width: 0.6rem;
    height: 0.6rem;
    border-radius: 2px;
    margin-right: 0.5rem;
    vertical-align: 0.05em;
}
.panel-titulo.agua h3::before { background: var(--water); }
.panel-titulo.suelo h3::before { background: var(--soil); }

.ranking-chart { position: relative; height: 230px; }

.escala {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.78rem;
    color: var(--ink-mute);
    margin-top: 0.5rem;
}
.escala .barra {
    flex: 0 0 120px;
    height: 6px;
    border-radius: 3px;
    background: linear-gradient(90deg, var(--tox-low), var(--tox-mid), var(--tox-high));
}

/* ---------- Sistemas evaluados: secuencia de cultivos ---------- */
.sistemas { list-style: none; margin: 0; padding: 0; }
.sistema {
    display: grid;
    grid-template-columns: 3.2rem 1fr auto;
    align-items: center;
    gap: 0.75rem;
    padding: 0.55rem 0;
    border-bottom: 1px solid var(--line);
}
.sistema:last-child { border-bottom: 0; }
.sistema .nombre { font-weight: 600; }
.sistema .anios {
    font-size: 0.8rem;
    color: var(--ink-mute);
    white-space: nowrap;
}
.secuencia {
    display: flex;
    flex-wrap: wrap;
    gap: 3px;
    min-width: 0;
}
.fase {
    flex: 1 1 0;
    min-width: 4.6rem;
    border-radius: 3px;
    padding: 0.2rem 0.4rem;
    font-size: 0.76rem;
    color: var(--ink);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    border: 1px solid rgba(0, 0, 0, 0.06);
}
.sistema .descripcion {
    grid-column: 2 / span 2;
    font-size: 0.8rem;
    color: var(--ink-mute);
    margin: -0.2rem 0 0;
}

/* ---------- Pestañas de detalle ---------- */
.nav-tabs { border-bottom: 1px solid var(--line-strong); }
.nav-tabs .nav-link {
    color: var(--ink-soft);
    font-family: var(--font);
    font-weight: 500;
    border: 0;
    border-bottom: 2px solid transparent;
    padding: 0.6rem 0.9rem;
}
.nav-tabs .nav-link:hover { color: var(--paddy); border-color: transparent; }
.nav-tabs .nav-link.active {
    color: var(--paddy);
    background: transparent;
    border-color: transparent transparent var(--paddy);
}
.tab-content { padding-top: 1.25rem; }

/* ---------- Tarjetas heredadas (gráficos originales) ---------- */
.card {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: none;
    margin-bottom: 1rem;
    background-color: var(--surface);
}
.card-body { padding: 1.25rem; }
.card-title { font-size: 1rem; font-weight: 600; }

.btn-primary {
    background: var(--paddy);
    border-color: var(--paddy);
    font-family: var(--font);
}
.btn-primary:hover, .btn-primary:focus {
    background: var(--paddy-deep);
    border-color: var(--paddy-deep);
}
.btn-outline-secondary { font-family: var(--font); }

/* ---------- Tabla ---------- */
.table { margin-bottom: 0; }
#resultsTable { width: 100% !important; }
.table thead th {
    border-bottom: 2px solid var(--line-strong);
    background-color: #f5f7f3;
    font-weight: 600;
    font-size: 0.9rem;
}
.table-bordered th, .table-bordered td { border: 1px solid var(--line); }
.table-primary { --bs-table-bg: var(--paddy-soft); }

.dataTables_wrapper .dataTables_length select,
.dataTables_wrapper .dataTables_filter input {
    padding: 0.375rem 0.75rem;
    border: 1px solid var(--line-strong);
    border-radius: var(--radius);
}
.dataTables_wrapper .dataTables_paginate .paginate_button.current {
    background: var(--paddy);
    border-color: var(--paddy);
    color: white !important;
}

/* ---------- Metodología ---------- */
.metodo ol {
    padding-left: 1.25rem;
    max-width: 72ch;
}
.metodo li { margin-bottom: 0.6rem; }
.metodo .formula {
    background: #f5f7f3;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
    margin: 0.75rem 0 1rem;
    max-width: 72ch;
}

/* ---------- Estados ---------- */
.estado {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 2rem 1.5rem;
    text-align: center;
    color: var(--ink-soft);
}
.estado h3 { font-size: 1.05rem; font-weight: 600; margin-bottom: 0.4rem; }
.estado p { margin: 0; }
.estado .acciones { margin-top: 0.9rem; }
.spinner-border { color: var(--paddy); }

.omitidas summary {
    cursor: pointer;
    font-size: 0.85rem;
    color: var(--ink-soft);
}
.omitidas ul {
    font-size: 0.82rem;
    color: var(--ink-mute);
    margin: 0.4rem 0 0;
    padding-left: 1.1rem;
    columns: 2;
}
@media (max-width: 767.98px) { .omitidas ul { columns: 1; } }

/* ---------- Accesibilidad / movimiento ---------- */
:focus-visible {
    outline: 2px solid var(--paddy);
    outline-offset: 2px;
}
@media (prefers-reduced-motion: reduce) {
    * { transition: none !important; animation: none !important; }
}

.container-xl { max-width: 1320px; }