/**
 * Rio360 - Reservar Clases · estilos públicos
 * Todo el color se controla con variables CSS inyectadas por PHP.
 */

.r360-clases {
    --r360-fondo: #1c1c1c;
    --r360-tarjeta: #242424;
    --r360-texto: #ffffff;
    --r360-secundario: #9a9a9a;
    --r360-acento: #ff4d54;
    --r360-btn-bg: #ff4d54;
    --r360-btn-texto: #ffffff;
    --r360-disponible: #28c76f;
    --r360-agotado: #ff4d54;
    --r360-radio: 12px;

    box-sizing: border-box;
    width: 100%;
    padding: 18px;
    border-radius: calc(var(--r360-radio) + 4px);
    background: var(--r360-fondo);
    color: var(--r360-texto);
    font-family: inherit;
    line-height: 1.35;
}

.r360-clases *,
.r360-clases *::before,
.r360-clases *::after {
    box-sizing: border-box;
}

.r360-clases--light {
    --r360-fondo: #f4f5f7;
    --r360-tarjeta: #ffffff;
    --r360-texto: #16181d;
    --r360-secundario: #6b7280;
}

/* ---------- Pestañas de días ---------- */

.r360-clases__dias {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: 1fr;
    gap: 10px;
    margin-bottom: 22px;
    overflow-x: auto;
    scrollbar-width: thin;
    -webkit-overflow-scrolling: touch;
}

.r360-dia {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    min-width: 74px;
    padding: 14px 6px;
    border: 1px solid rgba(128, 128, 128, 0.22);
    border-radius: var(--r360-radio);
    background: transparent;
    color: var(--r360-texto);
    font: inherit;
    cursor: pointer;
    transition: background-color 0.18s ease, border-color 0.18s ease, transform 0.18s ease;
}

.r360-dia:hover {
    border-color: var(--r360-acento);
}

.r360-dia:focus-visible {
    outline: 2px solid var(--r360-acento);
    outline-offset: 2px;
}

.r360-dia__nombre {
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    opacity: 0.85;
}

.r360-dia__numero {
    font-size: 1.6rem;
    font-weight: 700;
    line-height: 1;
}

.r360-dia.is-active {
    background: var(--r360-acento);
    border-color: var(--r360-acento);
    color: #fff;
}

.r360-dia.is-active .r360-dia__nombre {
    opacity: 1;
}

.r360-dia.is-empty:not(.is-active) {
    opacity: 0.45;
}

/* ---------- Filas de clase ---------- */

.r360-panel[hidden] {
    display: none;
}

.r360-panel {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.r360-clase {
    display: grid;
    grid-template-columns: 120px minmax(0, 1fr) auto auto;
    align-items: center;
    gap: 18px;
    padding: 18px 22px;
    border-radius: var(--r360-radio);
    background: var(--r360-tarjeta);
}

.r360-clase.is-past {
    opacity: 0.55;
}

.r360-clase__hora {
    display: flex;
    align-items: baseline;
    gap: 6px;
    font-weight: 700;
    white-space: nowrap;
}

.r360-clase__hora-num {
    font-size: 1.15rem;
    letter-spacing: 0.04em;
}

.r360-clase__hora-ampm {
    font-size: 0.85rem;
    letter-spacing: 0.06em;
}

.r360-clase__info {
    display: flex;
    flex-direction: column;
    gap: 3px;
    min-width: 0;
}

.r360-clase__nombre {
    font-size: 1.08rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.r360-clases--caps .r360-clase__nombre {
    text-transform: uppercase;
}

.r360-clase__profesor,
.r360-clase__nota {
    color: var(--r360-secundario);
    font-size: 0.92rem;
}

.r360-clase__nota {
    font-size: 0.82rem;
    opacity: 0.85;
}

.r360-clase__cupos {
    color: var(--r360-secundario);
    font-size: 0.95rem;
    white-space: nowrap;
}

.r360-clase__cupos-num {
    color: var(--r360-disponible);
    font-weight: 600;
}

.r360-clase__cupos.is-full .r360-clase__cupos-num {
    color: var(--r360-agotado);
}

/* ---------- Botón ---------- */

.r360-clase__accion {
    justify-self: end;
}

.r360-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 168px;
    padding: 13px 26px;
    border: 0;
    border-radius: calc(var(--r360-radio) * 0.6);
    background: var(--r360-btn-bg);
    color: var(--r360-btn-texto);
    font-size: 0.92rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-align: center;
    text-decoration: none;
    transition: filter 0.18s ease, transform 0.18s ease;
}

.r360-clases--caps .r360-btn {
    text-transform: uppercase;
}

.r360-btn:hover {
    filter: brightness(1.08);
    color: var(--r360-btn-texto);
    text-decoration: none;
    transform: translateY(-1px);
}

.r360-btn:focus-visible {
    outline: 2px solid var(--r360-texto);
    outline-offset: 2px;
}

.r360-btn--off {
    background: rgba(128, 128, 128, 0.18);
    color: var(--r360-secundario);
    cursor: not-allowed;
}

.r360-vacio {
    margin: 0;
    padding: 34px 18px;
    border: 1px dashed rgba(128, 128, 128, 0.28);
    border-radius: var(--r360-radio);
    color: var(--r360-secundario);
    text-align: center;
}

.r360-clases-error {
    padding: 12px;
    border-left: 4px solid #d63638;
    background: #fff3f3;
    color: #8a1f1f;
}

/* ---------- Responsive ---------- */

@media (max-width: 900px) {
    .r360-clase {
        grid-template-columns: 96px minmax(0, 1fr) auto;
        gap: 14px;
        padding: 16px;
    }

    .r360-clase__accion {
        grid-column: 1 / -1;
        justify-self: stretch;
    }

    .r360-btn {
        width: 100%;
    }
}

@media (max-width: 560px) {
    .r360-clases {
        padding: 12px;
    }

    .r360-clases__dias {
        grid-auto-columns: minmax(64px, 1fr);
        gap: 8px;
    }

    .r360-clase {
        grid-template-columns: minmax(0, 1fr) auto;
    }

    .r360-clase__hora {
        grid-column: 1 / -1;
        color: var(--r360-acento);
    }
}