/* ===== ESTILOS DO LOGIN V2 ===== */

/* Variáveis CSS específicas para o login */
:root {
    --primary-color: #043d60;
    --secondary-color: #d4d9e2;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --accent-color: #007bff;
    --light-bg: #f8f9fa;
    --white: #ffffff;
    --text-dark: #333333;
    --text-muted: #6c757d;
    --border-radius: 16px;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.15);
}

/* Container principal com melhor UX */
.page-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    position: relative;
}

/* Link de Voltar - Melhor posicionamento */
.back-link {
    position: absolute;
    top: 20px;
    left: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    padding: 10px 16px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 25px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    z-index: 1000;
}

.back-link:hover {
    transform: translateX(-3px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
    color: var(--primary-color);
    text-decoration: none;
    background: rgba(255, 255, 255, 1);
}

.back-link i {
    font-size: 12px;
    transition: transform 0.3s ease;
}

.back-link:hover i {
    transform: translateX(-2px);
}

.login-container {
    max-width: 450px;
    width: 100%;
    margin-top: 60px; /* Espaço para o botão de voltar */
}

.login-card {
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    position: relative;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.login-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.login-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(255,255,255,0.05) 0%, transparent 100%);
    pointer-events: none;
}

.login-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, #0a5a8a 100%);
    color: var(--white);
    padding: 30px 40px;
    text-align: center;
    position: relative;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.login-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(255,255,255,0.1) 0%, transparent 100%);
    pointer-events: none;
}

.logo-in-header {
    margin-bottom: 15px;
}

.logo-in-header img {
    max-width: 180px;
    height: auto;
    filter: brightness(0) invert(1) drop-shadow(0 2px 8px rgba(0, 0, 0, 0.3));
}

.login-header h3 {
    font-size: 24px;
    font-weight: 600;
    margin: 10px 0 5px 0;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.login-header .subtitle {
    font-size: 14px;
    opacity: 0.9;
    margin: 0;
    font-weight: 300;
}

.login-body {
    padding: 35px 40px;
    position: relative;
    z-index: 1;
}

.alert {
    border-radius: 12px;
    border: none;
    padding: 15px;
    margin-bottom: 25px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 10px;
    animation: slideIn 0.3s ease;
}

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

.alert-danger {
    background: rgba(220, 53, 69, 0.1);
    color: var(--danger-color);
    border-left: 4px solid var(--danger-color);
}

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

.form-label {
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 8px;
    display: block;
    font-size: 14px;
}

.input-group {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon {
    position: absolute;
    left: 15px;
    color: var(--text-muted);
    font-size: 16px;
    z-index: 2;
    transition: color 0.3s ease;
}

.form-control {
    width: 100%;
    padding: 14px 20px 14px 45px;
    border: 2px solid #e9ecef;
    border-radius: 12px;
    font-size: 16px;
    transition: all 0.3s ease;
    background: var(--white);
    color: var(--text-dark);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(4, 61, 96, 0.1);
    transform: translateY(-1px);
}

.form-control:focus + .input-icon {
    color: var(--primary-color);
}

.form-control::placeholder {
    color: var(--text-muted);
}

/* Botão de Login Melhorado */
.login-button {
    width: 100%;
    padding: 16px 24px;
    background: linear-gradient(135deg, var(--primary-color) 0%, #0a5a8a 100%);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(4, 61, 96, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    position: relative;
    overflow: hidden;
    margin-top: 10px;
}

.login-button::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 ease;
}

.login-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(4, 61, 96, 0.4);
}

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

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

.login-button.loading {
    background: linear-gradient(135deg, #6c757d 0%, #495057 100%);
    cursor: not-allowed;
}

.login-button i {
    font-size: 14px;
    transition: transform 0.3s ease;
}

.login-button:hover i {
    transform: translateX(2px);
}

/* Rodapé Melhorado */
.login-footer {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 18px 40px;
    text-align: center;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    position: relative;
}

.login-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0,0,0,0.1), transparent);
}

.footer-text {
    margin: 0;
    color: var(--text-muted);
    font-size: 12px;
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.footer-text i {
    color: var(--primary-color);
    font-size: 13px;
}

/* Efeitos de Foco Melhorados */
.input-group.focused .input-icon {
    color: var(--primary-color);
}

.input-group.focused .form-control {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(4, 61, 96, 0.1);
}

/* Melhorar feedback visual dos campos */
.form-control.has-value {
    border-color: var(--success-color);
    background-color: rgba(40, 167, 69, 0.02);
}

/* Melhorar acessibilidade para navegação por teclado */
.keyboard-navigation .login-button:focus {
    outline: 3px solid var(--primary-color);
    outline-offset: 2px;
}

.keyboard-navigation .form-control:focus {
    outline: 3px solid var(--primary-color);
    outline-offset: 2px;
}

/* Melhorar animações suaves */
.login-card {
    animation: fadeInUp 0.6s ease-out;
}

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

/* Responsividade Melhorada */
@media (max-width: 768px) {
    .page-container {
        padding: 15px;
    }
    
    .back-link {
        top: 15px;
        left: 15px;
        padding: 8px 14px;
        font-size: 13px;
    }
    
    .login-container {
        margin-top: 50px;
        max-width: 100%;
    }
    
    .login-header {
        padding: 25px 30px;
    }
    
    .login-body {
        padding: 30px 25px;
    }
    
    .login-footer {
        padding: 15px 25px;
    }
    
    .login-header h3 {
        font-size: 22px;
    }
    
    .logo-in-header img {
        max-width: 150px;
    }
}

@media (max-width: 480px) {
    .page-container {
        padding: 10px;
    }
    
    .back-link {
        position: relative;
        top: auto;
        left: auto;
        margin-bottom: 15px;
        align-self: flex-start;
        margin-left: 10px;
    }
    
    .login-container {
        margin-top: 0;
    }
    
    .login-header {
        padding: 20px 25px;
    }
    
    .login-body {
        padding: 25px 20px;
    }
    
    .login-footer {
        padding: 15px 20px;
    }
    
    .login-header h3 {
        font-size: 20px;
    }
    
    .logo-in-header img {
        max-width: 120px;
    }
    
    .form-control {
        padding: 12px 16px 12px 40px;
        font-size: 15px;
    }
    
    .login-button {
        padding: 14px 20px;
        font-size: 15px;
    }
    
    .footer-text {
        font-size: 11px;
    }
}