* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    /* --- Paleta ron con pasas --- */
    --ron:            #a05c2c;   /* ámbar ron */
    --ron-claro:      #c9803e;
    --ron-suave:      #f3e3d3;
    --caramelo:       #e8c39e;
    --pasa:           #5d2a3c;   /* morado pasa */
    --pasa-oscuro:    #40202e;
    --crema:          #faf3ea;
    --tinta:          #3a2a20;
    --tinta-suave:    #93796a;
    --linea:          #e9d9c6;
    --blanco:         #fffdf9;
    --verde-uva:      #6d8a4e;
    --dorado:         #d9a441;
}

body {
    font-family: "Segoe UI", system-ui, sans-serif;
    background: linear-gradient(135deg, #f6ead9 0%, #f0e2d8 45%, #e9dbd4 100%);
    color: var(--tinta);
    padding: 50px 24px;
    min-height: 100vh;
}

.contenedor {
    max-width: 1050px;
    margin: auto;
}

/* ---------- ENCABEZADO ---------- */
.cabecera {
    background: linear-gradient(120deg, var(--pasa-oscuro) 0%, var(--pasa) 45%, var(--ron) 100%);
    color: var(--crema);
    padding: 34px 40px;
    border-radius: 20px 20px 0 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 14px;
    position: relative;
    overflow: hidden;
}

/* brillo decorativo */
.cabecera::after {
    content: "";
    position: absolute;
    top: -60%;
    right: -10%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(217, 164, 65, 0.35) 0%, transparent 70%);
    border-radius: 50%;
}

.cabecera h1 {
    font-size: 26px;
    font-weight: 600;
    letter-spacing: 0.4px;
}

.cabecera h1 span {
    color: var(--caramelo);
    font-style: italic;
}

.cabecera .proyecto {
    background: rgba(255, 251, 245, 0.14);
    border: 1px solid rgba(217, 164, 65, 0.5);
    color: var(--caramelo);
    padding: 9px 20px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 1px;
}

/* ---------- TARJETA PRINCIPAL ---------- */
.tarjeta {
    background: var(--blanco);
    border-radius: 0 0 20px 20px;
    box-shadow:
        0 12px 32px rgba(93, 42, 60, 0.12),
        0 3px 8px rgba(160, 92, 44, 0.08);
    overflow: hidden;
}

/* ---------- TABLA ---------- */
.tabla-scroll {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    min-width: 720px;
}

thead th {
    background: var(--ron-suave);
    color: var(--pasa);
    text-transform: uppercase;
    font-size: 12px;
    letter-spacing: 1.2px;
    padding: 15px 18px;
    text-align: left;
    border-bottom: 2px solid var(--caramelo);
}

tbody td {
    padding: 15px 18px;
    border-bottom: 1px solid var(--linea);
    font-size: 14.5px;
}

tbody tr:last-child td {
    border-bottom: none;
}

tbody tr {
    transition: background 0.18s ease;
}

tbody tr:hover {
    background: #fbf4ea;
}

.celda-id {
    font-weight: 700;
    color: var(--ron);
}

.observacion-texto {
    color: #5c463a;
    max-width: 320px;
}

.fecha {
    font-size: 13px;
    color: var(--tinta-suave);
    white-space: nowrap;
}

/* ---------- BADGES DE NOTA ---------- */
.badge-nota {
    display: inline-block;
    min-width: 48px;
    text-align: center;
    padding: 6px 14px;
    border-radius: 999px;
    font-weight: 700;
    font-size: 13.5px;
}

/* Verde = nota alta (>= 4.0) */
.nota-alta {
    background-color: #28a745 !important;
    color: #ffffff !important;
    border: 1px solid #1e7e34 !important;
}

/* Amarillo = nota media (>= 3.0) */
.nota-media {
    background-color: #ffc107 !important;
    color: #212529 !important;
    border: 1px solid #d39e00 !important;
}

/* Rojo = nota baja (< 3.0) */
.nota-baja {
    background-color: #dc3545 !important;
    color: #ffffff !important;
    border: 1px solid #bd2130 !important;
}

/* ---------- SIN DATOS ---------- */
.sin-datos {
    text-align: center;
    padding: 55px 20px;
    color: var(--tinta-suave);
    font-size: 16px;
}

.sin-datos .icono {
    font-size: 42px;
    display: block;
    margin-bottom: 12px;
    opacity: 0.6;
}

/* ---------- RESUMEN ---------- */
.resumen {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
    margin-top: 28px;
}

.card-resumen {
    background: var(--blanco);
    border-radius: 18px;
    padding: 24px 26px;
    box-shadow:
        0 8px 22px rgba(93, 42, 60, 0.10),
        0 2px 6px rgba(160, 92, 44, 0.06);
    position: relative;
    overflow: hidden;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card-resumen:hover {
    transform: translateY(-4px);
    box-shadow:
        0 14px 30px rgba(93, 42, 60, 0.16),
        0 4px 10px rgba(160, 92, 44, 0.10);
}

/* franja lateral degradada ron → pasa */
.card-resumen::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    width: 6px;
    height: 100%;
    background: linear-gradient(180deg, var(--ron) 0%, var(--pasa) 100%);
}

.card-resumen .etiqueta {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--tinta-suave);
    margin-bottom: 8px;
}

.card-resumen .valor {
    font-size: 32px;
    font-weight: 700;
    color: var(--ron);
}

.card-resumen.destacada {
    background: linear-gradient(135deg, var(--pasa-oscuro) 0%, var(--pasa) 60%, #7a3a50 100%);
}

.card-resumen.destacada .etiqueta {
    color: var(--caramelo);
}

.card-resumen.destacada .valor {
    color: var(--dorado);
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 680px) {
    .resumen { grid-template-columns: 1fr; }

    .cabecera {
        flex-direction: column;
        text-align: center;
    }
}