:root {
    --bg-blanco: #FFFFFF;
    --bg-gris: #F8FAFC;
    --azul-principal: #2563EB;
    --azul-oscuro: #1E40AF;
    --verde-pistache: #A7F3D0;
    --verde-texto: #065F46;
    --texto-principal: #1E293B;
    --texto-secundario: #64748B;
    --border-color: #E2E8F0;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

body {
    background-color: var(--bg-gris);
    color: var(--texto-principal);
    padding: 1rem 2rem;
}

/* ==========================================
   BARRA SUPERIOR (HEADER)
   ========================================== */
.top-bar {
    background-color: var(--bg-blanco);
    padding: 0.8rem 1.5rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.brand {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--azul-principal);
}

.btn-back {
    text-decoration: none;
    color: var(--texto-secundario);
    font-weight: 600;
    font-size: 0.85rem;
    padding: 0.5rem 0.8rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: all 0.2s;
}

.btn-back:hover {
    background-color: var(--bg-gris);
    color: var(--azul-principal);
}

/* Formulario Compacto de Registro */
.check-form {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.check-form input {
    padding: 0.55rem 0.8rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    outline: none;
    font-size: 0.9rem;
}

.check-form input:focus {
    border-color: var(--azul-principal);
}

.btn-check {
    background-color: var(--azul-principal);
    color: white;
    border: none;
    padding: 0.55rem 1.2rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

.btn-check:hover {
    background-color: var(--azul-oscuro);
}

/* Herramientas (Excel / Imprimir) */
.action-tools {
    display: flex;
    gap: 0.5rem;
}

.btn-tool {
    border: 1px solid var(--border-color);
    background-color: var(--bg-blanco);
    padding: 0.55rem 0.9rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    transition: all 0.2s;
}

.btn-excel {
    background-color: #ECFDF5;
    color: var(--verde-texto);
    border-color: var(--verde-pistache);
}

.btn-excel:hover {
    background-color: var(--verde-pistache);
}

.btn-print:hover {
    background-color: #EFF6FF;
    color: var(--azul-principal);
}

/* ==========================================
   BARRA DE FILTROS POR FECHA
   ========================================== */
.filter-bar {
    background-color: var(--bg-blanco);
    padding: 0.8rem 1.5rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--texto-secundario);
    flex-wrap: wrap;
}

.filter-group select, .filter-group input {
    padding: 0.4rem 0.6rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    outline: none;
    font-size: 0.85rem;
}

/* ==========================================
   TABLA RESPONSIVA
   ========================================== */
.table-container {
    background-color: var(--bg-blanco);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    overflow-x: auto; /* Scroll horizontal en móviles */
    -webkit-overflow-scrolling: touch;
}

.table-header {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.table-header h2 {
    font-size: 1.1rem;
    color: var(--texto-principal);
}

.live-badge {
    background-color: #D1FAE5;
    color: var(--verde-texto);
    padding: 0.2rem 0.6rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.live-dot {
    width: 8px;
    height: 8px;
    background-color: #10B981;
    border-radius: 50%;
    display: inline-block;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.3; }
    100% { opacity: 1; }
}

table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    min-width: 680px; /* Ancho mínimo para mantener legibilidad */
}

th {
    background-color: #F1F5F9;
    color: var(--texto-secundario);
    font-size: 0.85rem;
    font-weight: 600;
    padding: 0.8rem 1rem;
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
}

td {
    padding: 0.9rem 1rem;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
    vertical-align: middle;
}

tr:hover {
    background-color: #F8FAFC;
}

/* Badges / Etiquetas */
.badge-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    align-items: center;
}

.badge-entrada {
    background-color: #E0F2FE;
    color: #0369A1;
    padding: 0.25rem 0.52rem;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.78rem;
    white-space: nowrap;
}

.badge-salida {
    background-color: #FEF3C7;
    color: #92400E;
    padding: 0.25rem 0.52rem;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.78rem;
    white-space: nowrap;
}

/* ==========================================
   MEDIA QUERIES (PANTALLAS CHICAS Y MÓVILES)
   ========================================== */
@media (max-width: 768px) {
    body {
        padding: 0.8rem 1rem;
    }

    .top-bar {
        justify-content: center;
        gap: 0.8rem;
    }

    .check-form {
        width: 100%;
        justify-content: center;
    }

    .check-form input {
        width: 120px !important;
    }

    .filter-bar {
        flex-direction: column;
        align-items: stretch;
    }

    .filter-group {
        justify-content: space-between;
    }
}

/* ==========================================
   MODO IMPRESIÓN
   ========================================== */
@media print {
    .top-bar, .filter-bar, .live-badge {
        display: none !important;
    }
    body {
        background-color: white;
        padding: 0;
    }
    .table-container {
        border: none;
        box-shadow: none;
        overflow: visible;
    }
    table {
        min-width: 100%;
    }
}