:root {
    --main-blue: #007bff;
    --main-blue-dark: #0056b3;
    --main-green: #28a745;
    --main-green-dark: #218838;
    --main-bg: #f7f7f7da;
    --panel-bg: #ffffff;
    --shadow: 0 2px 4px rgba(0, 0, 0, 0.13);
    --border-radius: 14px;
    --border: 1px solid #dcdcdc;
    --danger: #dc3545;
    --danger-dark: #c82333;
}

/* General */
body {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--main-bg);
    margin: 0;
    padding: 0;
    color: #222;
}

/* Título */
h1 {
    margin-top: 28px;
    margin-bottom: 28px;
    text-align: center;
    color: #0b11d5;
    font-size: 2.1rem;
    font-weight: 700;
    letter-spacing: 0.02em;
}

/* Contenedor principal y formulario más ancho */
.table-section, form {
    background-color: var(--panel-bg);
    border-radius: var(--border-radius);
    padding: 28px 28px;
    box-shadow: var(--shadow);
    margin: 35px auto 0 auto;
    max-width: 1200px;
    width: 100%;
    box-sizing: border-box;
    border: var(--border);
    overflow-x: auto;
}

/* Controles de la tabla (filtrado) */
.table-controls {
    display: flex;
    align-items: center;
    gap: 28px;
    margin-bottom: 18px;
    flex-wrap: nowrap; /* Mantiene los campos en una línea en escritorio */
    width: 100%;
}

.bold-label {
    font-weight: bold;
    color: #0b11d5;
    margin-right: 8px;
    letter-spacing: 0.01em;
    font-size: 15px;
}

select, .date-input, input[type="text"] {
    padding: 10px 14px;
    border: 1.5px solid #b6c4d6;
    border-radius: 8px;
    background-color: #f9fafd;
    font-size: 15px;
    transition: border 0.2s, background 0.2s;
    margin-right: 10px;
    min-width: 180px;
    max-width: 260px;
    width: 100%;
    box-sizing: border-box;
}

select:focus, .date-input:focus, input[type="text"]:focus {
    outline: none;
    border-color: var(--main-blue);
    background: #eaf4ff;
}

/* Botón de filtro */
.filter-button {
    padding: 12px 40px;
    border: none;
    background-color: var(--main-green);
    color: #fff;
    border-radius: 22px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    transition: background-color 0.2s, transform 0.1s, box-shadow 0.2s;
    margin-top: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.08);
    white-space: nowrap;
}

.filter-button:hover {
    background-color: var(--main-green-dark);
    transform: translateY(-2px) scale(1.03);
    box-shadow: 0 6px 12px rgba(0,0,0,0.09);
}

/* Botón de eliminar datos */
.delete-button {
    padding: 12px 40px;
    border: none;
    background-color: var(--danger);
    color: #fff;
    border-radius: 22px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    transition: background-color 0.2s, transform 0.1s, box-shadow 0.2s;
    margin-top: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.08);
    white-space: nowrap;
}

.delete-button:hover {
    background-color: var(--danger-dark);
    transform: translateY(-2px) scale(1.03);
    box-shadow: 0 6px 12px rgba(0,0,0,0.09);
}

/* Entrada de fechas y valores */
input[type="datetime-local"].date-input,
input[type="text"] {
    min-width: 180px;
    max-width: 260px;
    width: 100%;
}

input[type="text"]::placeholder {
    color: #a3a3a3;
    opacity: 1;
}

/* Separador */
.separator {
    border-top: 2px solid var(--main-blue);
    margin: 20px 0;
}

/* Tabla (si la añades en esta página) */
table.dataTable {
    width: 100%;
    min-width: 900px;
    border-collapse: collapse;
    margin-top: 22px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 1px 2px rgba(0,0,0,0.04);
    background: #fff;
}

table.dataTable th {
    background-color: var(--main-blue);
    color: #f2f2f2;
    padding: 12px 6px;
    text-align: center;
    font-size: 15px;
    font-weight: 700;
    border-bottom: 2px solid #d7e4f7;
}

table.dataTable td {
    padding: 10px 4px;
    text-align: center;
    font-size: 14px;
    border-bottom: 1px solid #f0f0f0;
}

table.dataTable tr:nth-child(even) {
    background-color: #f2f2f2;
}

table.dataTable tr:hover {
    background-color: #d9eaff;
    transition: background 0.18s;
}

/* Estilos de paginación y filtro (datatable) */
.dataTables_wrapper .dataTables_paginate .paginate_button {
    padding: 6px 15px;
    border-radius: 8px;
    background-color: var(--main-blue);
    color: #fff !important;
    margin: 0 2px;
    cursor: pointer;
    font-size: 14px;
    border: none;
    transition: background-color 0.2s;
}

.dataTables_wrapper .dataTables_paginate .paginate_button:hover {
    background-color: var(--main-blue-dark);
}

.dataTables_wrapper .dataTables_paginate .paginate_button.current {
    background: #0b11d5;
    color: #fff !important;
    font-weight: bold;
}

.dataTables_wrapper .dataTables_filter {
    margin-right: 10px;
    font-size: 15px;
}
.dataTables_wrapper .dataTables_info {
    margin-right: 10px;
    font-size: 13px;
}

/* Responsive: en móvil sí permitimos salto de línea y panel más estrecho */
@media (max-width: 1100px) {
    .table-section, form {
        max-width: 98vw;
    }
    table.dataTable {
        min-width: 600px;
    }
}
@media (max-width: 900px) {
    .table-section, form {
        padding: 7vw 2vw;
        max-width: 99vw;
    }
    .table-controls {
        flex-direction: column;
        gap: 13px;
        flex-wrap: wrap;
        align-items: stretch;
    }
}

@media (max-width: 600px) {
    .table-section, form {
        margin: 7px 2px;
        padding: 7vw 1vw;
        border-radius: 8px;
    }
    .table-controls {
        flex-direction: column;
        gap: 10px;
        flex-wrap: wrap;
        align-items: stretch;
    }
    .bold-label {
        font-size: 14px;
        margin-right: 0;
    }
    select, .date-input, input[type="text"] {
        width: 100%;
        min-width: 110px;
        margin-right: 0;
    }
}