:root {
    --brand: #9D162E;
    --brand-dark: #7a1024;
    --bg: #f8fafc;
    --border: #e2e8f0;
    --tinta: #1e293b;
    --gris: #64748b;
    --frio: #2E7A9E;
    --calor: #C0392B;
    --acs: #D98324;
    --verde: #3F7D3F;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    min-height: 100%;
    font-family: system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
    background: var(--bg);
    color: var(--tinta);
    font-size: 15px;
}

/* ------------------------------------------------------------- cabecera */

.tc-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.7rem 1.25rem;
    background: var(--brand);
    color: #fff;
}

.tc-header-title {
    font-size: 1.05rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.tc-header-sub {
    font-size: 0.78rem;
    font-weight: 400;
    opacity: 0.85;
    text-transform: none;
    letter-spacing: 0;
    display: block;
}

/* ------------------------------------------------------------- controles */

select, input[type="text"], input[type="number"] {
    font: inherit;
    font-size: 0.88rem;
    padding: 0.35rem 0.5rem;
    border: 1px solid var(--border);
    border-radius: 0.3rem;
    background: #fff;
    color: var(--tinta);
}

input[type="number"] { text-align: right; }

select:focus, input:focus {
    outline: 2px solid rgba(157, 22, 46, 0.25);
    outline-offset: 0;
    border-color: var(--brand);
}

.tc-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font: inherit;
    font-size: 0.85rem;
    font-weight: 600;
    padding: 0.42rem 0.8rem;
    border-radius: 0.35rem;
    border: 1px solid var(--border);
    background: #fff;
    color: var(--tinta);
    cursor: pointer;
}

.tc-btn:hover { border-color: var(--brand); color: var(--brand); }

.tc-btn-primario {
    background: var(--brand);
    border-color: var(--brand);
    color: #fff;
}

.tc-btn-primario:hover { background: var(--brand-dark); color: #fff; }

.tc-btn-icono {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.75rem;
    height: 1.75rem;
    padding: 0;
    border: 1px solid var(--border);
    border-radius: 0.3rem;
    background: #fff;
    color: var(--gris);
    cursor: pointer;
}

.tc-btn-icono:hover { color: var(--brand); border-color: var(--brand); }


/* --------------------------------------------------------------- layout */

.tc-app {
    display: grid;
    grid-template-columns: 19rem 1fr;
    gap: 1rem;
    padding: 1rem 1.25rem 2rem;
    align-items: start;
    transition: grid-template-columns 0.15s ease;
}

.tc-app.tc-arbol-cerrado { grid-template-columns: 3rem 1fr; }
.tc-app.tc-arbol-cerrado .tc-arbol-cuerpo { display: none; }
.tc-app.tc-arbol-cerrado .tc-arbol-cab h2 { display: none; }

@media (max-width: 1100px) {
    .tc-app { grid-template-columns: 1fr; }
}

.tc-app > aside, .tc-app > section { min-width: 0; }

/* ------------------------------------------------------------ árbol */

.tc-arbol {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    padding: 0.75rem;
    position: sticky;
    top: 1rem;
    max-height: calc(100vh - 2rem);
    overflow-y: auto;
}

.tc-arbol-cab {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.6rem;
}

.tc-arbol-cab h2 {
    margin: 0;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--brand);
}

.tc-arbol-acciones {
    display: flex;
    gap: 0.35rem;
    margin-bottom: 0.75rem;
}

.tc-arbol-acciones .tc-btn { flex: 1; font-size: 0.78rem; padding: 0.35rem 0.5rem; }

.tc-rama { margin-bottom: 0.75rem; }

.tc-rama-cab {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.76rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--gris);
    padding: 0.25rem 0.15rem;
    border-bottom: 1px solid var(--border);
    margin-bottom: 0.35rem;
}

.tc-hoja {
    position: relative;
    padding: 0.4rem 0.5rem;
    border-radius: 0.35rem;
    border-left: 3px solid transparent;
    cursor: pointer;
    margin-bottom: 0.2rem;
}

.tc-hoja:hover { background: #f8fafc; }

.tc-hoja.activa {
    background: #fdf2f4;
    border-left-color: var(--brand);
}

.tc-hoja-nombre {
    display: block;
    font-size: 0.82rem;
    font-weight: 600;
    line-height: 1.25;
}

.tc-hoja-sub {
    display: block;
    font-size: 0.7rem;
    color: var(--gris);
}

.tc-etq-ref {
    display: inline-block;
    font-size: 0.62rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-weight: 700;
    color: #7A6A55;
    background: #f4f1ea;
    border-radius: 0.2rem;
    padding: 0.05rem 0.3rem;
    margin-top: 0.2rem;
}

.tc-hoja-btns {
    position: absolute;
    top: 0.3rem;
    right: 0.3rem;
    display: none;
    gap: 0.2rem;
}

.tc-hoja:hover .tc-hoja-btns { display: flex; }

/* ------------------------------------------------------- panel principal */

.tc-dos-columnas {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    align-items: start;
}

@media (max-width: 1400px) {
    .tc-dos-columnas { grid-template-columns: 1fr; }
}

.tc-dos-columnas > div { min-width: 0; }

.tc-pegajoso { position: sticky; top: 1rem; }

.tc-tabs-sep { flex: 1; }

.tc-caso-activo input[type="text"] {
    width: 22rem;
    font-size: 0.85rem;
    font-weight: 700;
    text-align: right;
    border: 1px solid transparent;
    background: none;
}

.tc-caso-activo input[type="text"]:hover { border-color: var(--border); }

.tc-tabs-sec { margin-top: -0.25rem; }

/* ------------------------------------------------------------- reglas */

.tc-regla {
    border-left: 3px solid var(--border);
    padding: 0.15rem 0 0.15rem 0.6rem;
    margin-bottom: 0.5rem;
}

.tc-regla b { display: block; font-size: 0.82rem; }
.tc-regla span { font-size: 0.78rem; color: var(--gris); line-height: 1.45; }

.tc-ayuda { font-size: 0.68rem; color: var(--gris); line-height: 1.35; font-weight: 400; }

.tc-tabla-grupos input[type="number"] { width: 4.6rem; font-size: 0.8rem; }
.tc-tabla-grupos td:first-child { max-width: 15rem; }

.tc-fila-sel td { background: #fdf2f4 !important; }


.tc-panel {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    padding: 0.9rem 1rem;
    margin-bottom: 1rem;
}

.tc-panel h2 {
    margin: 0 0 0.75rem;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--brand);
}

.tc-panel h3 {
    margin: 1rem 0 0.5rem;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--gris);
}

.tc-nota {
    font-size: 0.78rem;
    color: var(--gris);
    line-height: 1.5;
    margin: 0.4rem 0 0;
}

/* --------------------------------------------------------------- pestañas */

.tc-tabs {
    display: flex;
    gap: 0.25rem;
    border-bottom: 1px solid var(--border);
    margin-bottom: 0.9rem;
}

.tc-tab {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font: inherit;
    font-size: 0.82rem;
    font-weight: 600;
    padding: 0.45rem 0.7rem;
    border: none;
    border-bottom: 2px solid transparent;
    background: none;
    color: var(--gris);
    cursor: pointer;
}

.tc-tab.activa { color: var(--brand); border-bottom-color: var(--brand); }

/* ---------------------------------------------------------------- campos */

.tc-campos {
    display: grid;
    grid-template-columns: 1fr 7.5rem;
    gap: 0.4rem 0.6rem;
    align-items: center;
}

.tc-campos label {
    font-size: 0.82rem;
    color: var(--tinta);
}

.tc-campos .tc-ud {
    font-size: 0.72rem;
    color: var(--gris);
}

.tc-campos input, .tc-campos select { width: 100%; }

.tc-derivado {
    background: #f1f5f9;
    color: var(--gris);
    font-weight: 600;
    text-align: right;
    padding: 0.35rem 0.5rem;
    border-radius: 0.3rem;
    font-size: 0.85rem;
}

.tc-mini {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 0.25rem;
}

.tc-mini input { width: 100%; padding: 0.25rem 0.2rem; font-size: 0.75rem; }

.tc-mini-etq {
    font-size: 0.62rem;
    color: var(--gris);
    text-align: center;
    text-transform: uppercase;
}

details.tc-avanzado {
    border-top: 1px solid var(--border);
    padding-top: 0.6rem;
    margin-top: 0.8rem;
}

details.tc-avanzado > summary {
    cursor: pointer;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--gris);
}

/* --------------------------------------------------------------- tablas */

.tc-tabla {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.82rem;
}

.tc-tabla th {
    text-align: right;
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--gris);
    border-bottom: 1px solid var(--border);
    padding: 0.35rem 0.4rem;
    font-weight: 700;
}

.tc-tabla th:first-child, .tc-tabla td:first-child { text-align: left; }

.tc-tabla td {
    text-align: right;
    padding: 0.32rem 0.4rem;
    border-bottom: 1px solid #f1f5f9;
    font-variant-numeric: tabular-nums;
}

.tc-tabla tr:hover td { background: #fafbfc; }

.tc-tabla .tc-fila-total td {
    font-weight: 700;
    border-top: 2px solid var(--border);
    background: #f8fafc;
}

.tc-tabla-maquinas input[type="text"] { width: 100%; font-size: 0.78rem; }
.tc-tabla-maquinas input[type="number"] { width: 5.2rem; font-size: 0.78rem; }
.tc-tabla-maquinas select { width: 100%; font-size: 0.75rem; }
.tc-tabla-maquinas td { padding: 0.22rem 0.25rem; }

.tc-punto {
    display: inline-block;
    width: 0.6rem;
    height: 0.6rem;
    border-radius: 0.15rem;
    margin-right: 0.35rem;
    vertical-align: baseline;
}

/* ---------------------------------------------------------------- chips */

.tc-chips {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(9.5rem, 1fr));
    gap: 0.6rem;
    margin-bottom: 1rem;
}

.tc-chip {
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    padding: 0.6rem 0.75rem;
    background: #fff;
}

.tc-chip-etq {
    font-size: 0.66rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--gris);
    font-weight: 700;
}

.tc-chip-valor {
    font-size: 1.28rem;
    font-weight: 800;
    font-variant-numeric: tabular-nums;
    line-height: 1.25;
}

.tc-chip-pie { font-size: 0.72rem; color: var(--gris); }

.tc-bien { color: var(--verde); }
.tc-mal { color: var(--brand); }

/* ---------------------------------------------------------------- gráfica */

.tc-svg {
    width: 100%;
    overflow-x: auto;
    border: 1px solid var(--border);
    border-radius: 0.4rem;
    background: #fff;
}

.tc-svg svg { display: block; width: 100%; height: auto; }

/* la lámina de carga es ancha por naturaleza: se deja desbordar y scrollea
   dentro de su propia caja, no empuja la página */
.tc-svg-ancho svg { min-width: 66rem; }

.tc-acciones {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 0.8rem;
    align-items: center;
}

/* ----------------------------------------------------------- comparativa */

.tc-casos {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.tc-caso {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border: 1px solid var(--border);
    border-left: 4px solid var(--brand);
    border-radius: 0.35rem;
    padding: 0.4rem 0.55rem;
    background: #fff;
    font-size: 0.8rem;
}

.tc-caso-ref { border-left-color: #7A6A55; }
.tc-caso input[type="text"] {
    display: block;
    width: 17rem;
    font-size: 0.8rem;
    font-weight: 700;
    border: 1px solid transparent;
    background: none;
    padding: 0.15rem 0.25rem;
}

.tc-caso input[type="text"]:hover { border-color: var(--border); }
.tc-caso span { color: var(--gris); font-size: 0.72rem; }

.tc-vacio {
    color: var(--gris);
    font-size: 0.85rem;
    padding: 2rem 1rem;
    text-align: center;
    border: 1px dashed var(--border);
    border-radius: 0.5rem;
}

.tc-footer {
    padding: 1rem 1.25rem 2rem;
    color: var(--gris);
    font-size: 0.75rem;
    line-height: 1.6;
}

.tc-oculto { display: none !important; }