/* Estilos generales */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: #f5f5f5;
    color: #333;
}

header {
    background-color: #2c3e50;
    color: white;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header h1 {
    margin: 0;
    font-size: 1.5rem;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-info a {
    color: white;
    text-decoration: none;
    background-color: #e74c3c;
    padding: 0.3rem 0.8rem;
    border-radius: 4px;
    font-size: 0.9rem;
}

.user-info a:hover {
    background-color: #c0392b;
}

main {
    padding: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

section {
    background-color: white;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    margin-bottom: 2rem;
    padding: 1.5rem;
}

h2 {
    margin-top: 0;
    color: #2c3e50;
    border-bottom: 1px solid #eee;
    padding-bottom: 0.5rem;
}

/* Tablas */
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

th, td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

th {
    background-color: #f2f2f2;
    font-weight: 600;
}

tr:hover {
    background-color: #f9f9f9;
}

/* Estado */
.status {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    border-radius: 3px;
    font-size: 0.85rem;
    font-weight: 500;
}

.connected {
    background-color: #d4edda;
    color: #155724;
}

.disconnected {
    background-color: #f8d7da;
    color: #721c24;
}

/* Botones */
.btn {
    display: inline-block;
    background-color: #3498db;
    color: white;
    padding: 0.4rem 0.8rem;
    text-decoration: none;
    border-radius: 4px;
    font-size: 0.9rem;
    transition: background-color 0.3s;
}

.btn:hover {
    background-color: #2980b9;
}

.back-btn {
    margin-bottom: 1rem;
    background-color: #95a5a6;
}

.back-btn:hover {
    background-color: #7f8c8d;
}

/* Login */
.login-container {
    max-width: 400px;
    margin: 5rem auto;
    background-color: white;
    padding: 2rem;
    border-radius: 5px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.login-container h1 {
    text-align: center;
    margin-bottom: 1.5rem;
    color: #2c3e50;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input {
    width: 93%;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
}

button[type="submit"] {
    width: 100%;
    padding: 0.75rem;
    background-color: #2c3e50;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    cursor: pointer;
    transition: background-color 0.3s;
}

button[type="submit"]:hover {
    background-color: #1a252f;
}

.error {
    color: #e74c3c;
    margin-bottom: 1.5rem;
    padding: 0.75rem;
    background-color: #fadbd8;
    border-radius: 4px;
}

/* Info del admin */
.admin-info {
    background-color: white;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    margin-bottom: 2rem;
    padding: 1.5rem;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.info-grid div {
    padding: 0.5rem;
    background-color: #f9f9f9;
    border-radius: 4px;
}