/* Login Page Specific Styles */

body {
    margin: 0;
    padding: 0;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: 20px;
}

.login-box {
    background: white;
    border-radius: 20px;
    padding: 40px 30px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-header h1 {
    color: #333;
    font-size: 2.2rem;
    margin-bottom: 10px;
    font-weight: 700;
}

.login-header p {
    color: #666;
    font-size: 1rem;
    margin: 0;
    opacity: 0.8;
}

.login-form {
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #555;
    font-size: 0.95rem;
}

.form-group input {
    width: 100%;
    padding: 15px 18px;
    border: 2px solid #e9ecef;
    border-radius: 12px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: #fafafa;
    box-sizing: border-box;
}

.form-group input:focus {
    outline: none;
    border-color: #667eea;
    background: white;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    transform: translateY(-1px);
}

.form-group input::placeholder {
    color: #aaa;
    font-style: italic;
}

.form-actions {
    text-align: center;
    margin-top: 30px;
}

.btn-login {
    width: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 15px 20px;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
    position: relative;
    overflow: hidden;
}

.btn-login:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 12px 35px rgba(102, 126, 234, 0.4);
}

.btn-login:active {
    transform: translateY(0);
}

.btn-login:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.btn-login::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.btn-login:hover::before {
    left: 100%;
}

.login-footer {
    text-align: center;
    color: #666;
    font-size: 0.9rem;
}

.login-footer p {
    margin: 0 0 5px 0;
    font-weight: 500;
}

.login-footer small {
    opacity: 0.7;
}

/* Alert customizado para login */
.alert {
    padding: 12px 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 0.9rem;
    text-align: center;
    animation: slideDown 0.3s ease;
}

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

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Loading animation */
.loading-text {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.loading-text::after {
    content: '';
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top: 2px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Responsive Design */
@media (max-width: 480px) {
    .login-container {
        padding: 15px;
    }
    
    .login-box {
        padding: 30px 20px;
        border-radius: 15px;
    }
    
    .login-header h1 {
        font-size: 1.8rem;
    }
    
    .form-group input {
        padding: 12px 15px;
        font-size: 0.95rem;
    }
    
    .btn-login {
        padding: 12px 18px;
        font-size: 1rem;
    }
}

/* Efeitos visuais adicionais */
.login-box {
    position: relative;
    overflow: hidden;
}

.login-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #667eea, #764ba2, #667eea);
    background-size: 200% 100%;
    animation: gradientShift 3s ease-in-out infinite;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

/* Focus ring personalizado */
.form-group input:focus-visible {
    outline: 2px solid #667eea;
    outline-offset: 2px;
}

/* Animação de entrada */
.login-box {
    animation: fadeInUp 0.6s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}