/* Estilos gerais - Tema Minty */
:root {
    --mint-primary: #E0F5EC;
    --mint-secondary: #B8EBD6;
    --mint-accent: #8CDFBA;
    --mint-dark: #2D9D78;
    --mint-text: #2C3E50;
    --mint-light: #F7FDF9;
    --mint-card: #FFFFFF;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
    background: linear-gradient(135deg, var(--mint-primary) 0%, var(--mint-secondary) 100%);
    min-height: 100vh;
    color: var(--mint-text);
}

.container {
    max-width: 100%;
    margin: 0;
    background: var(--mint-light);
    min-height: 100vh;
    box-shadow: 0 0 30px rgba(0,0,0,0.1);
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0;
    background: linear-gradient(135deg, var(--mint-dark) 0%, var(--mint-accent) 100%);
    padding: 20px 40px;
    color: white;
    box-shadow: 0 2px 20px rgba(0,0,0,0.1);
}

.header h1 {
    margin: 0;
    font-weight: 300;
    font-size: 1.8em;
}

.logout-btn {
    background: rgba(255,255,255,0.2);
    color: white;
    border: 1px solid rgba(255,255,255,0.3);
    padding: 10px 20px;
    border-radius: 25px;
    cursor: pointer;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.logout-btn:hover {
    background: rgba(255,255,255,0.3);
    transform: translateY(-2px);
}

.nav-btn {
    padding: 10px 20px;
    background: rgba(255,255,255,0.2);
    color: white;
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: 25px;
    cursor: pointer;
    margin-left: 15px;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.nav-btn:hover {
    background: rgba(255,255,255,0.3);
    transform: translateY(-2px);
}

.message {
    padding: 15px 25px;
    margin: 20px 40px;
    border-radius: 12px;
    font-weight: 500;
}

.success {
    background: #E8F5E8;
    color: #2E7D32;
    border-left: 4px solid #4CAF50;
}

.error {
    background: #FFEBEE;
    color: #C62828;
    border-left: 4px solid #F44336;
}

.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    backdrop-filter: blur(5px);
}

.modal-content {
    background: var(--mint-card);
    margin: 5% auto;
    padding: 30px;
    border-radius: 16px;
    width: 90%;
    max-width: 500px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}

.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s ease;
}

.close:hover {
    color: var(--mint-dark);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 15px;
    margin-top: 25px;
}

.modal-btn {
    padding: 12px 24px;
    border: none;
    border-radius: 25px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
}

.modal-btn-primary {
    background: linear-gradient(135deg, var(--mint-dark) 0%, var(--mint-accent) 100%);
    color: white;
}

.modal-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(45, 157, 120, 0.3);
}

.modal-btn-secondary {
    background: #f5f5f5;
    color: #666;
}

.modal-btn-secondary:hover {
    background: #e0e0e0;
    transform: translateY(-2px);
}

@keyframes piscar {
    0% { opacity: 1; }
    50% { opacity: 0.7; }
    100% { opacity: 1; }
}

/* Responsividade */
@media (max-width: 768px) {
    .header {
        padding: 15px 20px;
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .header h1 {
        font-size: 1.5em;
    }
    
    .modal-content {
        margin: 10% auto;
        padding: 20px;
        width: 95%;
    }
    
    .message {
        margin: 15px 20px;
    }
}

@media (max-width: 480px) {
    .nav-btn, .logout-btn {
        padding: 8px 16px;
        font-size: 0.9em;
        margin: 5px;
    }
    
    .header {
        padding: 12px 15px;
    }
    
    .modal-content {
        padding: 15px;
    }
    
    .modal-btn {
        padding: 10px 20px;
    }
}