/* Reset e Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: #333;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Cards */
.auth-card, .welcome-card, .info-card {
    background: white;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
    max-width: 400px;
    margin: 50px auto;
}

.welcome-card {
    max-width: 600px;
    text-align: center;
}

/* Headers */
h1 {
    color: #333;
    margin-bottom: 10px;
}

h2 {
    color: #555;
    margin-bottom: 20px;
}

header {
    text-align: center;
    padding: 30px 0;
    color: white;
}

/* Forms */
.form-group {
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 5px;
    color: #555;
    font-weight: 500;
}

input, select {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 14px;
    transition: border-color 0.3s;
}

input:focus, select:focus {
    outline: none;
    border-color: #667eea;
}

small {
    color: #888;
    font-size: 12px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    text-align: center;
}

.btn-primary {
    background: #667eea;
    color: white;
}

.btn-primary:hover {
    background: #5a67d8;
}

.btn-secondary {
    background: white;
    color: #667eea;
    border: 2px solid #667eea;
}

.btn-secondary:hover {
    background: #667eea;
    color: white;
}

.btn-block {
    width: 100%;
}

.btn-small {
    padding: 6px 12px;
    font-size: 12px;
}

.buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-top: 30px;
}

/* Features */
.features {
    display: flex;
    gap: 30px;
    margin-top: 50px;
    justify-content: center;
    flex-wrap: wrap;
}

.feature {
    background: white;
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    flex: 1;
    min-width: 200px;
}

.feature .icon {
    font-size: 48px;
    margin-bottom: 15px;
    display: block;
}

/* Auth Footer */
.auth-footer {
    text-align: center;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid #eee;
}

.auth-footer a {
    color: #667eea;
    text-decoration: none;
}

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

/* Dashboard */
.dashboard-header {
    background: white;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.dashboard-header h1 {
    color: #667eea;
    margin: 0;
}

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

.dashboard-content {
    background: white;
    border-radius: 12px;
    padding: 30px;
}

.welcome-message {
    text-align: center;
    padding: 30px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 12px;
    color: white;
    margin-bottom: 30px;
}

.info-card ul {
    list-style: none;
    padding: 0;
}

.info-card li {
    padding: 10px 0;
    border-bottom: 1px solid #eee;
}

/* Alerts */
.alert {
    padding: 15px;
    border-radius: 6px;
    margin-bottom: 20px;
    position: fixed;
    top: 20px;
    right: 20px;
    min-width: 300px;
    z-index: 1000;
    animation: slideIn 0.3s ease;
}

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

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

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Responsive */
@media (max-width: 768px) {
    .features {
        flex-direction: column;
    }
    
    .dashboard-header {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }
    
    .buttons {
        flex-direction: column;
    }
}