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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #fff;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

/* Container principal do login */
#login {
    background-color: #003e6b;
    backdrop-filter: blur(10px);
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    padding: 40px 30px 30px;
    width: 100%;
    max-width: 400px;
    position: relative;
    transform: translateY(0);
    transition: all 0.3s ease;
}

#login:hover {
    transform: translateY(-5px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
}

/* Posicionamento da imagem */
#login img {
    position: absolute !important;
    top: -70px !important;
    left: 50% !important;
    transform: translateX(-50%) !important;
    width: 140px !important;
    height: 140px !important;
    border-radius: 50% !important;
    border: 5px solid #fff !important;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2) !important;
    object-fit: cover !important;
    background: #f8f9fa !important;
}

/* Espaçamento do formulário */
form[name="signup"] {
    margin-top: 80px;
}

/* Estilização dos grupos de input */
.input-group {
    margin-bottom: 25px !important;
    position: relative;
}

.input-group-text {
    background-color: #f8f9fa !important;
    border: 2px solid #e9ecef !important;
    border-right: none !important;
    border-radius: 12px 0 0 12px !important;
    padding: 12px 15px !important;
    transition: all 0.3s ease !important;
}

.input-group:focus-within .input-group-text {
    border-color: #667eea !important;
    background-color: #fff !important;
}

.input-group-text i {
    font-size: 18px !important;
    color: #6c757d !important;
    transition: color 0.3s ease !important;
}

.input-group:focus-within .input-group-text i {
    color: #667eea !important;
}

/* Estilização dos inputs */
.form-control.input_usuario {
    border: 2px solid #e9ecef !important;
    border-left: none !important;
    border-radius: 0 12px 12px 0 !important;
    padding: 12px 15px !important;
    font-size: 16px !important;
    transition: all 0.3s ease !important;
    background-color: #f8f9fa !important;
    height: 55px;

}

.form-control.input_usuario:focus {
    border-color: #667eea !important;
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25) !important;
    background-color: #fff !important;
}

.form-control.input_usuario::placeholder {
    color: #6c757d !important;
    font-weight: 400 !important;
}

/* Área do botão */
.area_botao {
    margin-top: 30px !important;
    margin-bottom: 25px !important;
}

/* Estilização do botão */
.botaologin {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
    border: none !important;
    border-radius: 12px !important;
    color: white !important;
    padding: 12px 40px !important;
    font-size: 16px !important;
    font-weight: 600 !important;
    cursor: pointer !important;
    transition: all 0.3s ease !important;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4) !important;
    text-transform: uppercase !important;
    letter-spacing: 1px !important;
    width: 100% !important;
}

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

.botaologin:active {
    transform: translateY(0) !important;
}

/* Copyright */
#login h6 {
    text-align: center !important;
    color: #6c757d !important;
    font-size: 14px !important;
    margin-top: 20px !important;
    font-weight: 400 !important;
}

/* Responsividade */
@media (max-width: 768px) {
    body {
        padding: 10px;
    }
    
    #login {
        max-width: 350px;
        padding: 35px 25px 25px;
        margin-top: 80px;
    }
    
    #login img {
        width: 120px !important;
        height: 120px !important;
        top: -60px !important;
    }
    
    form[name="signup"] {
        margin-top: 70px;
    }
    
    .input-group-text {
        padding: 10px 12px !important;
    }
    
    .form-control.input_usuario {
        padding: 10px 12px !important;
        font-size: 15px !important;
    }
    
    .botaologin {
        padding: 10px 35px !important;
        font-size: 15px !important;
    }
}

@media (max-width: 480px) {
    #login {
        max-width: 320px;
        padding: 30px 20px 20px;
    }
    
    #login img {
        width: 100px !important;
        height: 100px !important;
        top: -50px !important;
    }
    
    form[name="signup"] {
        margin-top: 60px;
    }
    
    .input-group-text {
        padding: 8px 10px !important;
    }
    
    .input-group-text i {
        font-size: 16px !important;
    }
    
    .form-control.input_usuario {
        padding: 8px 10px !important;
        font-size: 14px !important;
    }
    
    .botaologin {
        padding: 8px 30px !important;
        font-size: 14px !important;
    }
    
    #login h6 {
        font-size: 12px !important;
    }
}

/* Animações de entrada */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

#login {
    animation: fadeInUp 0.6s ease-out;
}

/* Efeitos de focus nos inputs */
.input-group {
    position: relative;
}

.input-group::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    transition: width 0.3s ease;
}

.input-group:focus-within::after {
    width: 100%;
}

/* Melhorias para acessibilidade */
.form-control.input_usuario:focus {
    outline: none !important;
}

.botaologin:focus {
    outline: 2px solid #667eea !important;
    outline-offset: 2px !important;
}

/* Ajustes para telas muito pequenas */
@media (max-width: 320px) {
    #login {
        margin: 10px;
        padding: 25px 15px 15px;
    }
    
    #login img {
        width: 80px !important;
        height: 80px !important;
        top: -40px !important;
    }
    
    form[name="signup"] {
        margin-top: 50px;
    }
}