/* ===== APP ESTILO MODERNO DARK ===== */

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 16px;
    font-family: "Segoe UI", Arial, sans-serif;
    background: #0f172a;
    color: #f1f5f9;
}

/* T¨ªtulos */
h2, h3 {
    text-align: center;
    margin: 14px 0;
    font-weight: 600;
    color: #ffffff;
}

/* Formularios */
input,
select,
textarea {
    width: 100%;
    padding: 14px;
    margin-bottom: 14px;
    border-radius: 10px;
    border: 1px solid #334155;
    background: #1e293b;
    color: #fff;
    font-size: 16px;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border: 1px solid #3b82f6;
    box-shadow: 0 0 0 2px rgba(59,130,246,0.3);
}

/* Botones */
button {
    width: 100%;
    padding: 14px;
    border-radius: 10px;
    border: none;
    font-weight: 600;
    font-size: 16px;
    cursor: pointer;
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: white;
    transition: all 0.2s ease;
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.4);
}

button:active {
    transform: scale(0.97);
}

/* Bot¨®n cerrar sesi¨®n */
button[style*="dc3545"] {
    background: linear-gradient(135deg, #ef4444, #dc2626);
}

/* Cards */
.card {
    background: #1e293b;
    padding: 18px;
    border-radius: 16px;
    margin-bottom: 16px;
    text-align: center;
    box-shadow: 0 6px 20px rgba(0,0,0,0.4);
    transition: transform 0.2s ease;
}

.card:hover {
    transform: translateY(-4px);
}

/* Tablas */
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 14px;
    background: #1e293b;
    border-radius: 12px;
    overflow: hidden;
}

th {
    background: #2563eb;
    color: white;
    padding: 12px;
}

th, td {
    border-bottom: 1px solid #334155;
    padding: 12px;
    text-align: center;
}

/* Responsive */
@media (max-width: 480px) {
    body {
        padding: 12px;
    }

    h2 {
        font-size: 20px;
    }
}