:root {
    --color-fondo: #edf2ff;
    --color-blanco: #ffffff;
    --color-principal: #1a8b84;
    --color-borde: #94b0b0;
    --color-texto: #2f3c3f;
    --color-boton: #1a8b84;
    --color-boton-hover: #14635f;
    --color-secundario: #f7f7f7;
    --color-icono-editar: #3498db;
    --color-icono-eliminar: #e74c3c;
}


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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--color-blanco);
    color: var(--color-texto);
    line-height: 1.6;
}
.estado-pago-select {
    padding: 5px 8px;
    border-radius: 6px;
    border: 1px solid #ccc;
    font-weight: 600;
    cursor: pointer;
}

.estado-pago-select option[value="PAGADO"] {
    color: green;
}

.estado-pago-select option[value="PENDIENTE"] {
    color: #c97b00;
}

.certificados {
    padding: 1rem;
}

.main-content {
    margin-left: 280px;
    padding: 1rem;
}


h2 {
    margin-bottom: 20px;
    color: var(--color-principal);
    font-size: 1.6rem;
}

/* Filtro */
.filtro-form {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    align-items: flex-end;
    background: var(--color-blanco);
    border: 1px solid #d9e6e6;
    border-radius: 12px;
    padding: 18px;
    margin-bottom: 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.filtro-form label {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-texto);
    min-width: 150px;
}

.filtro-form input[type="text"],
.filtro-form input[type="date"],
.filtro-form select {
    padding: 10px 12px;
    font-size: 0.9rem;
    border: 1px solid var(--color-borde);
    border-radius: 8px;
    background: #fff;
    color: var(--color-texto);
    min-width: 160px;
    height: 42px;
    outline: none;
    transition: all 0.2s ease;
}

.filtro-form input[type="text"]:focus,
.filtro-form input[type="date"]:focus,
.filtro-form select:focus {
    border-color: var(--color-principal);
    box-shadow: 0 0 0 3px rgba(26, 139, 132, 0.12);
}

.filtro-form button,
.filtro-form a {
    height: 42px;
    padding: 0 18px;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.filtro-form button {
    border: none;
    background: var(--color-principal);
    color: #fff;
    cursor: pointer;
}

.filtro-form button:hover {
    background: var(--color-boton-hover);
}

.filtro-form a {
    background: #f3f5f5;
    color: var(--color-texto);
    border: 1px solid #d5dddd;
}

.filtro-form a:hover {
    background: #e7eeee;
}
.paginacion {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 25px;
    padding: 15px 10px;
}

.paginacion a,
.paginacion span {
    min-width: 40px;
    height: 40px;
    padding: 0 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.25s ease;
}

.paginacion a {
    background: var(--color-blanco);
    color: var(--color-principal);
    border: 1px solid var(--color-borde);
}

.paginacion a:hover {
    background: #e8f7f6;
    border-color: var(--color-principal);
    color: var(--color-boton-hover);
    transform: translateY(-2px);
}

.paginacion a.activo {
    background: var(--color-principal);
    color: #fff;
    border-color: var(--color-principal);
    box-shadow: 0 4px 10px rgba(26, 139, 132, 0.25);
}

.paginacion .nav-btn {
    padding: 0 16px;
    font-size: 13px;
}

.paginacion .dots {
    color: var(--color-borde);
    font-weight: bold;
    min-width: auto;
    padding: 0 5px;
}
.tabla-wrapper {
    overflow-x: auto;
}

.tabla-certificados {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 30px;
    table-layout: fixed;
    min-width: 900px;
}
.tabla-certificados td:nth-child(3),
.tabla-certificados td:nth-child(5) {
    white-space: normal;
    word-break: break-word;
    overflow-wrap: break-word;
    line-height: 1.25;
    vertical-align: middle;
}
.tabla-certificados th:nth-child(1),
.tabla-certificados td:nth-child(1) { width: 90px; }

.tabla-certificados th:nth-child(2),
.tabla-certificados td:nth-child(2) { width: 150px; }

.tabla-certificados th:nth-child(3),
.tabla-certificados td:nth-child(3) { width: 190px; }

.tabla-certificados th:nth-child(4),
.tabla-certificados td:nth-child(4) { width: 120px; }

.tabla-certificados th:nth-child(5),
.tabla-certificados td:nth-child(5) { width: 145px; }

.tabla-certificados th:nth-child(6),
.tabla-certificados td:nth-child(6) { width: 110px; }

.tabla-certificados th:nth-child(7),
.tabla-certificados td:nth-child(7) { width: 140px; }

.tabla-certificados th:nth-child(8),
.tabla-certificados td:nth-child(8) { width: 110px; }

.tabla-certificados th:nth-child(9),
.tabla-certificados td:nth-child(9) {
    width: 90px;
    text-align: center;
}
.tabla-certificados th,
.tabla-certificados td {
    padding: 8px 10px;
    border: 1px solid #ddd;
    text-align: left;
    white-space: normal;
    word-break: break-word;
    vertical-align: middle;
}

.tabla-certificados th {
    background-color: var(--color-principal);
    color: #fff;
}

.tabla-certificados tr:nth-child(even) {
    background-color: var(--color-secundario);
}


.btn-descargar {
    display: inline-block;
    background-color: var(--color-boton);
    color: white;
    padding: 6px 12px;
    margin: 2px 0;
    text-decoration: none;
    border-radius: 4px;
    font-size: 0.85rem;
    transition: background-color 0.2s ease;
}

.btn-descargar:hover {
    background-color: var(--color-boton-hover);
}

.acciones {
    display: flex;
    gap: 8px;
}

.icon-btn {
    display: inline-block;
    color: white;
    background-color: var(--color-icono-editar);
    padding: 6px;
    border-radius: 50%;
    text-decoration: none;
    font-size: 0.9rem;
    transition: transform 0.2s;
    position: relative;
}

.icon-btn.eliminar {
    background-color: var(--color-icono-eliminar);
}

.icon-btn:hover {
    transform: scale(1.1);
}


.icon-btn::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--color-texto);
    color: white;
    padding: 4px 8px;
    font-size: 0.75rem;
    border-radius: 4px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s;
    z-index: 10;
}

.icon-btn:hover::after {
    opacity: 1;
}

.icon-button {
    font-size: 1.2rem;
    margin: 0 4px;
    text-decoration: none;
    cursor: pointer;
    transition: transform 0.2s ease;
    display: inline-block;
    color: #444;
}

.icon-button:hover {
    transform: scale(1.2);
    color: var(--color-principal, #1a8b84);
}


.icon-button.editar:hover {
    color: #1a8b84;
}

.icon-button.eliminar:hover {
    color: #d9534f;
}


.form-filtro a,
.filtro-form a {
    display: inline-block;
    padding: 8px 12px;
    background-color: #f0f0f0;
    color: #444;
    border: 1px solid #ccc;
    text-decoration: none;
    border-radius: 4px;
    transition: background-color 0.3s ease;
    margin-left: 10px;
}

.filtro-form a:hover {
    background-color: #e0e0e0;
    color: #000;
}


@media (max-width: 768px) {
    .main-content {
        margin-left: 0;
        padding: 1rem;
    }

    h2 {
        font-size: 1.3rem;
    }

    .tabla-certificados th,
    .tabla-certificados td {
        font-size: 0.85rem;
        padding: 8px;
    }

    .btn-descargar {
        font-size: 0.8rem;
        padding: 5px 10px;
    }
}
@media (max-width: 768px) {
    .filtro-form {
        flex-direction: column;
        align-items: stretch;
    }

    .filtro-form label {
        width: 100%;
        min-width: 100%;
    }

    .filtro-form input,
    .filtro-form select,
    .filtro-form button,
    .filtro-form a {
        width: 100%;
    }
}