body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #071735;
    color: white;
}

.admin-header {
    background: #102a5c;
    padding: 20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 15px;
}

.admin-header h1 {
    color: #ffcc00;
    margin: 0;
    font-size: 1.6rem;
}

.admin-header a {
    color: white;
    text-decoration: none;
    font-weight: bold;
}

.admin-main {
    width: 95%;
    max-width: 1300px;
    margin: 30px auto;
}

.card {
    background: #102a5c;
    padding: 25px;
    border-radius: 18px;
    margin-bottom: 25px;
    overflow-x: auto;
}

h2 {
    color: #ffcc00;
}

input, select, textarea {
    width: 100%;
    padding: 12px;
    border-radius: 10px;
    border: none;
    margin: 6px 0;
    box-sizing: border-box;
    font-size: 1rem;
}

textarea {
    min-height: 70px;
    resize: vertical;
}

button {
    padding: 12px 18px;
    background: #ffcc00;
    color: #071735;
    border: none;
    border-radius: 10px;
    font-weight: bold;
    cursor: pointer;
}

button:hover {
    background: #ffd633;
}

.danger {
    background: #dc3545;
    color: white;
}

.danger:hover {
    background: #bb2d3b;
}

.form-grid {
    display: grid;
    grid-template-columns: 100px 160px 1fr;
    gap: 12px;
}

.form-grid textarea,
.form-grid button {
    grid-column: 1 / -1;
}

.acciones-peligro {
    display: flex;
    gap: 15px;
    margin-bottom: 25px;
    flex-wrap: wrap;
}

.acciones-peligro form,
.acciones-peligro button {
    width: 100%;
    max-width: 280px;
}

.table-responsive {
    width: 100%;
    overflow-x: auto;
}

table {
    width: 100%;
    min-width: 850px;
    border-collapse: collapse;
    background: #071735;
    border-radius: 12px;
    overflow: hidden;
}

th, td {
    border-bottom: 1px solid #1d3f7a;
    padding: 10px;
    vertical-align: top;
}

th {
    background: #0d2450;
    color: #ffcc00;
}

.acciones {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.login-container {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.login-card {
    background: #102a5c;
    padding: 40px;
    border-radius: 20px;
    width: 100%;
    max-width: 380px;
    text-align: center;
}

.login-card h1 {
    color: #ffcc00;
}

.error {
    background: #dc3545;
    padding: 12px;
    border-radius: 10px;
    margin-bottom: 15px;
}

/* Tablets */
@media (max-width: 900px) {
    .admin-header {
        padding: 18px 24px;
    }

    .admin-header h1 {
        font-size: 1.3rem;
    }

    .form-grid {
        grid-template-columns: 1fr 1fr;
    }

    .form-grid input[name="respuesta"],
    .form-grid textarea,
    .form-grid button {
        grid-column: 1 / -1;
    }
}

/* Celulares */
@media (max-width: 600px) {
    .admin-header {
        flex-direction: column;
        text-align: center;
        padding: 20px;
    }

    .admin-header h1 {
        font-size: 1.2rem;
    }

    .admin-main {
        width: 92%;
        margin: 20px auto;
    }

    .card {
        padding: 18px;
        border-radius: 14px;
    }

    .form-grid {
        grid-template-columns: 1fr;
    }

    .form-grid textarea,
    .form-grid button {
        grid-column: auto;
    }

    .acciones-peligro {
        flex-direction: column;
    }

    .acciones-peligro form,
    .acciones-peligro button {
        max-width: 100%;
    }

    button {
        width: 100%;
    }

    .login-card {
        padding: 28px 22px;
    }

    table {
        min-width: 750px;
    }
}