/* DNA GESTOR - Estilos de Login e Autenticação */

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

body {
    font-family: 'Poppins', sans-serif;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
    position: relative;
    overflow: hidden;
}

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

.login-container {
    position: relative;
    z-index: 10;
    width: 100%;
    max-width: 450px;
    padding: 20px;
}

.login-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 24px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.3);
    overflow: hidden;
    animation: fadeInUp 0.8s ease;
}

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

.login-header {
    text-align: center;
    padding: 40px 40px 20px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
}

.logo-container {
    display: inline-block;
    position: relative;
    margin-bottom: 20px;
}

.logo-circle {
    width: 90px;
    height: 90px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
    animation: pulse 2s ease infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 15px 40px rgba(102, 126, 234, 0.6);
    }
}

.logo-circle i {
    font-size: 40px;
    color: white;
}

.login-header h1 {
    font-size: 28px;
    font-weight: 700;
    color: #333;
    margin-bottom: 8px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.login-header p {
    font-size: 14px;
    color: #666;
    font-weight: 400;
}

.login-body {
    padding: 30px 40px 40px;
}

.form-label {
    font-size: 14px;
    font-weight: 500;
    color: #444;
    margin-bottom: 8px;
}

.form-control {
    height: 50px;
    border-radius: 12px;
    border: 2px solid #e0e0e0;
    padding: 12px 20px;
    font-size: 14px;
    transition: all 0.3s ease;
    background: #f8f9fa;
}

.form-control:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
    background: white;
}

.input-group {
    position: relative;
}

.input-group-text {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: #999;
    cursor: pointer;
    z-index: 10;
    font-size: 18px;
    transition: color 0.3s ease;
}

.input-group-text:hover {
    color: #667eea;
}

.btn-login {
    width: 100%;
    height: 50px;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    color: white;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
    margin-top: 10px;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
    background: linear-gradient(135deg, #764ba2 0%, #667eea 100%);
}

.divider {
    display: flex;
    align-items: center;
    text-align: center;
    margin: 25px 0;
}

.divider::before,
.divider::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid #e0e0e0;
}

.divider span {
    padding: 0 15px;
    color: #999;
    font-size: 13px;
    font-weight: 500;
}

.login-links {
    text-align: center;
    margin-top: 20px;
}

.login-links a {
    color: #667eea;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.login-links a:hover {
    color: #764ba2;
}

.alert {
    border-radius: 12px;
    border: none;
    padding: 12px 20px;
    font-size: 14px;
    margin-bottom: 20px;
    animation: slideDown 0.5s ease;
}

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

.alert-danger {
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a6f 100%);
    color: white;
}

.alert-success {
    background: linear-gradient(135deg, #51cf66 0%, #37b24d 100%);
    color: white;
}

.footer-text {
    text-align: center;
    margin-top: 30px;
    color: rgba(255, 255, 255, 0.9);
    font-size: 13px;
    font-weight: 400;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.spinner {
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 0.8s linear infinite;
    margin-right: 8px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

@media (max-width: 576px) {
    .login-container {
        padding: 15px;
    }
    
    .login-header {
        padding: 30px 25px 15px;
    }
    
    .login-body {
        padding: 25px;
    }
}