/* ============================================================
 * VENTAS — Estilos con enfoque en usabilidad
 * Mobile-first, accesibilidad, feedback visual
 * ============================================================ */

/* --- Utilidades de accesibilidad --- */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    white-space: nowrap;
    border: 0;
}

/* --- Navegación de día --- */
.dia-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 20px;
    padding: 8px 0;
}
.dia-nav button {
    background: #2a2a2a;
    color: #fff;
    border: none;
    padding: 10px 16px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1.1rem;
    line-height: 1;
    transition: background .2s, transform .1s;
    min-width: 44px;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.dia-nav button:hover { background: #444; }
.dia-nav button:active { transform: scale(0.92); }
.dia-nav button:focus-visible {
    outline: 2px solid #087f5b;
    outline-offset: 2px;
}
.dia-nav .dia-titulo {
    font-size: 1rem;
    font-weight: 700;
    text-align: center;
    color: #2a2a2a;
    min-width: 0;
    flex: 1;
    max-width: 280px;
}

/* --- Tarjetas resumen de caja (dashboard) --- */
.caja-flow {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
    align-items: center;
    justify-content: center;
}
.caja-flow .caja-card {
    flex: 1 1 120px;
    min-width: 100px;
    max-width: 180px;
}
.caja-op {
    font-size: 1.4rem;
    font-weight: 700;
    color: #aaa;
    text-align: center;
    line-height: 1;
    flex: 0 0 auto;
    display: none;
}
.caja-card {
    background: #f8f9fa;
    border-radius: 10px;
    padding: 14px 10px;
    text-align: center;
    border: 2px solid #eee;
    transition: box-shadow .2s, transform .15s;
}
.caja-card:hover {
    box-shadow: 0 3px 12px rgba(0,0,0,.06);
    transform: translateY(-1px);
}
.caja-card.inicio { border-color: #087f5b; }
.caja-card.ingresos { border-color: #2a2a2a; }
.caja-card.gastos { border-color: #c0392b; }
.caja-card.retiros { border-color: #8e44ad; }
.caja-card.banco { border-color: #2980b9; }
.caja-card.credito { border-color: #d35400; }
.caja-card.cierre { border-color: #087f5b; background: #e6fcf5; }
.caja-card .caja-label {
    font-size: 0.68rem;
    color: #666;
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 0.4px;
    margin-bottom: 4px;
}
.caja-card .caja-monto { font-size: 1.3rem; font-weight: 700; }
.caja-card.inicio .caja-monto { color: #087f5b; }
.caja-card.ingresos .caja-monto { color: #2a2a2a; }
.caja-card.gastos .caja-monto { color: #c0392b; }
.caja-card.retiros .caja-monto { color: #8e44ad; }
.caja-card.banco .caja-monto { color: #2980b9; }
.caja-card.credito .caja-monto { color: #d35400; }
.caja-card.cierre .caja-monto { color: #087f5b; }

/* --- Secciones de registro --- */
.registro-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 14px;
}
.registro-section {
    padding: 14px;
    background: #fafbfc;
    border-radius: 10px;
    border: 1px solid #f0f0f0;
    transition: border-color .2s;
}
.registro-section:focus-within {
    border-color: #087f5b;
    box-shadow: 0 0 0 2px rgba(8,127,91,.08);
}
.seccion-titulo {
    font-size: 0.88rem;
    font-weight: 700;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 6px;
}

/* --- Filas de formulario --- */
.ingreso-row, .gasto-row {
    display: flex;
    gap: 8px;
    align-items: center;
    margin-bottom: 8px;
    flex-wrap: wrap;
}
.ingreso-row input,
.gasto-row input,
.gasto-row select {
    min-height: 40px;
}

/* --- Items de movimientos --- */
.ingreso-item, .gasto-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    background: #fff;
    border-radius: 8px;
    margin-bottom: 5px;
    font-size: 0.84rem;
    border: 1px solid #f0f0f0;
    transition: background .15s, box-shadow .15s;
}
.ingreso-item:hover, .gasto-item:hover {
    background: #f0fdf8;
    box-shadow: 0 1px 4px rgba(0,0,0,.04);
}
.gasto-item .gasto-cat {
    color: #666;
    font-size: 0.72rem;
    font-weight: 600;
    background: #f0f0f0;
    padding: 1px 6px;
    border-radius: 4px;
    margin-right: 4px;
}
.gasto-item .gasto-monto { font-weight: 700; }
.gasto-item .gasto-rm, .ingreso-item .gasto-rm {
    cursor: pointer;
    color: #bbb;
    margin-left: 10px;
    font-size: 1.2rem;
    line-height: 1;
    transition: color .15s, transform .1s;
    min-width: 28px;
    min-height: 28px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}
.gasto-item .gasto-rm:hover, .ingreso-item .gasto-rm:hover {
    color: #dc3545;
    background: #fef2f2;
    transform: scale(1.1);
}

/* --- Mensajes de estado --- */
.locked-msg {
    background: #fff3cd;
    border: 1px solid #ffc107;
    border-radius: 8px;
    padding: 12px 16px;
    text-align: center;
    font-size: 0.84rem;
    margin-bottom: 14px;
    animation: fadeIn .3s ease;
}
.locked-msg--danger {
    background: #f8d7da;
    border-color: #f5a5a5;
}

/* --- Día nuevo --- */
.dia-nuevo-panel {
    text-align: center;
    padding: 40px 20px;
}
.dia-nuevo-panel p {
    font-size: 0.92rem;
    color: #888;
    margin-bottom: 16px;
}
.dia-nuevo-panel .btn {
    padding: 12px 28px;
    font-size: 0.95rem;
}

/* --- Botón guardar (sticky en móvil) --- */
.guardar-container {
    margin-top: 16px;
    text-align: center;
    padding: 12px 0;
}
.guardar-container .btn {
    padding: 12px 36px;
    font-size: 0.95rem;
    box-shadow: 0 2px 8px rgba(8,127,91,.2);
    transition: box-shadow .2s, transform .1s;
}
.guardar-container .btn:hover {
    box-shadow: 0 4px 14px rgba(8,127,91,.3);
    transform: translateY(-1px);
}

/* --- Rendimiento Tabs --- */
.tabs-rend {
    display: flex;
    gap: 6px;
    margin-bottom: 14px;
    flex-wrap: wrap;
}
.tab-rend {
    padding: 8px 16px;
    border: 1px solid #ddd;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: 600;
    transition: all .2s;
    min-height: 36px;
    display: flex;
    align-items: center;
}
.tab-rend:hover { border-color: #888; background: #f8f9fa; }
.tab-rend:focus-visible { outline: 2px solid #087f5b; outline-offset: 2px; }
.tab-rend.active {
    background: #2a2a2a;
    color: #fff;
    border-color: #2a2a2a;
}

/* --- Rendimiento KPIs --- */
.rend-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 10px;
    margin-bottom: 16px;
}
.rend-card {
    background: #f8f9fa;
    border-radius: 10px;
    padding: 14px 10px;
    text-align: center;
    border: 1px solid #eee;
    transition: transform .15s;
}
.rend-card:hover { transform: translateY(-1px); }
.rend-card .rend-num { font-size: 1.3rem; font-weight: 700; color: #2a2a2a; }
.rend-card .rend-label { font-size: 0.68rem; color: #888; margin-top: 4px; text-transform: uppercase; letter-spacing: 0.3px; }

/* --- Colapsables (details/summary) --- */
.card details summary {
    cursor: pointer;
    font-size: 1rem;
    font-weight: 700;
    color: #2a2a2a;
    padding: 4px 0;
    transition: color .2s;
    list-style: none;
    display: flex;
    align-items: center;
    gap: 6px;
}
.card details summary::-webkit-details-marker { display: none; }
.card details summary::before {
    content: '▸';
    display: inline-block;
    transition: transform .2s;
    font-size: 0.8rem;
    color: #999;
}
.card details[open] summary::before { transform: rotate(90deg); }
.card details summary:hover { color: #087f5b; }

/* --- Animaciones --- */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-4px); }
    to { opacity: 1; transform: translateY(0); }
}

/* --- Focus visible global para inputs --- */
.admin-page input:focus-visible,
.admin-page select:focus-visible,
.admin-page button:focus-visible {
    outline: 2px solid #087f5b;
    outline-offset: 1px;
}

/* ============================================================
 * RESPONSIVE — Mobile-first breakpoints
 * ============================================================ */

/* Tablet (≥600px) */
@media (min-width: 600px) {
    .caja-flow .caja-card { flex: 1 1 130px; max-width: 200px; }
    .caja-card .caja-monto { font-size: 1.5rem; }
    .registro-grid { grid-template-columns: 1fr 1fr; }
    .dia-nav .dia-titulo { font-size: 1.1rem; }
}

/* Desktop (≥900px) */
@media (min-width: 900px) {
    .caja-flow { flex-wrap: nowrap; gap: 10px; }
    .caja-flow .caja-card { flex: 1 1 0; max-width: none; min-width: 0; }
    .caja-op { display: block; }
    .caja-card .caja-monto { font-size: 1.5rem; }
    .rend-grid { grid-template-columns: repeat(5, 1fr); }
}

/* Sticky guardar en móvil */
@media (max-width: 599px) {
    .guardar-container {
        position: sticky;
        bottom: 0;
        background: #fff;
        margin: 0 -18px -18px;
        padding: 12px 18px;
        border-top: 1px solid #eee;
        box-shadow: 0 -2px 8px rgba(0,0,0,.06);
        z-index: 10;
    }
    .guardar-container .btn { width: 100%; }
}