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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    background-color: #f5f5f5;
    color: #333;
}

.container {
    max-width: 800px;
    margin: 2rem auto;
    padding: 2rem;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

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

h2 {
    color: #34495e;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #eee;
}

.section {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background-color: #f8f9fa;
    border-radius: 6px;
}

.form-group {
    margin-bottom: 1rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    color: #555;
    font-weight: 500;
}

input[type="text"],
input[type="password"],
input[type="email"],
input[type="number"],
select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

input:focus,
select:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);
}

.btn-primary {
    display: block;
    width: 100%;
    padding: 1rem;
    background-color: #3498db;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

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

.btn-secondary {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background-color: #6c757d;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.btn-secondary:hover {
    background-color: #5a6268;
}

.btn-warning {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background-color: #ffc107;
    color: #000;
    border: none;
    border-radius: 4px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.btn-warning:hover {
    background-color: #e0a800;
}

.alert {
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: 4px;
}

.alert.success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
    text-align: center;
}

.alert.error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
    text-align: left;
}

.alert.info {
    background-color: #cce5ff;
    color: #004085;
    border: 1px solid #b8daff;
    text-align: left;
}

.button-group {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
    justify-content: center;
}

.error-list {
    list-style: none;
    margin-top: 0.5rem;
    padding-left: 1rem;
}

.error-list li {
    color: #721c24;
    margin-bottom: 0.25rem;
    position: relative;
    padding-left: 1.5rem;
}

.error-list li:before {
    content: "•";
    color: #dc3545;
    position: absolute;
    left: 0;
}

.test-result {
    margin-top: 0.5rem;
    padding: 0.75rem;
    border-radius: 4px;
    font-size: 0.9rem;
}

.test-result.success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.test-result.error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

@media (max-width: 600px) {
    .container {
        margin: 1rem;
        padding: 1rem;
    }
    
    .section {
        padding: 1rem;
    }

    .button-group {
        flex-direction: column;
    }
}

/* Estilos para autenticación */
.auth-box {
    max-width: 400px;
    margin: 50px auto;
    padding: 20px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.auth-form {
    margin-top: 20px;
}

.auth-links {
    margin-top: 15px;
    text-align: center;
    font-size: 0.9em;
}

.auth-links a {
    color: #007bff;
    text-decoration: none;
}

.auth-links a:hover {
    text-decoration: underline;
}

/* Estilos para el dashboard */
.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    margin-bottom: 30px;
    border-bottom: 1px solid #eee;
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 15px;
}

.user-menu span {
    color: #666;
}

.dashboard-content {
    padding: 20px 0;
}

.dashboard-card {
    background: #fff;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.dashboard-card h2 {
    margin-top: 0;
    color: #333;
}

.dashboard-actions {
    margin-top: 20px;
    display: flex;
    gap: 10px;
}

/* Responsive */
@media (max-width: 768px) {
    .dashboard-header {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }

    .user-menu {
        flex-direction: column;
    }

    .auth-box {
        margin: 20px;
    }
}

/* Estilos para el formulario de email */
.email-form {
    margin-top: 20px;
}

.email-form textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
    font-family: inherit;
    resize: vertical;
    min-height: 200px;
}

.email-form textarea:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);
}