/* css/login.css */
body {
    background: linear-gradient(120deg, #007bff, #00a6ff);
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-container {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 15px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
    padding: 2rem;
    width: 100%;
    max-width: 400px;
    animation: fadeIn 0.5s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-header i {
    font-size: 3rem;
    color: #007bff;
    margin-bottom: 1rem;
}

.form-floating {
    margin-bottom: 1rem;
    position: relative;
}

.form-control {
    height: calc(3.5rem + 2px);
    line-height: 1.25;
    padding: 1rem 0.75rem;
}

.form-control:focus {
    border-color: #007bff;
    box-shadow: 0 0 0 0.25rem rgba(0, 123, 255, 0.25);
}

/* Correção do comportamento do label flutuante */
.form-floating > label {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    padding: 1rem 0.75rem;
    color: #6c757d;
    transform-origin: 0 0;
    transition: opacity 0.1s ease-in-out, transform 0.1s ease-in-out;
    pointer-events: none;
}

.form-floating > .form-control:focus ~ label,
.form-floating > .form-control:not(:placeholder-shown) ~ label {
    opacity: 0.65;
    transform: scale(0.85) translateY(-0.15rem) translateX(0.5rem);
    background: none;
    height: auto;
    padding: 0;
}

/* Remove qualquer background do label quando flutuante */
.form-floating > .form-control:focus ~ label::after,
.form-floating > .form-control:not(:placeholder-shown) ~ label::after,
.form-floating > label::after {
    background-color: transparent;
    content: none;
}

.btn-login {
    background: #007bff;
    border: none;
    padding: 0.8rem;
    font-size: 1.1rem;
    font-weight: 500;
    width: 100%;
    margin-top: 1rem;
    transition: all 0.3s ease;
}

.btn-login:hover {
    background: #0056b3;
    transform: translateY(-2px);
}

.login-footer {
    text-align: center;
    margin-top: 2rem;
    color: #6c757d;
    font-size: 0.9rem;
}

/* Estilos para as mensagens de alerta com animação */
.alert-message {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 9999;
    max-width: 500px;
    width: 90%;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    animation: slideDown 0.3s ease-out;
    transition: opacity 0.15s linear;
}

@keyframes slideDown {
    from {
        transform: translate(-50%, -30px);
        opacity: 0;
    }
    to {
        transform: translate(-50%, 0);
        opacity: 1;
    }
}

/* Estilos legados mantidos para compatibilidade */
#errorMessage {
    display: none;
    animation: shake 0.5s ease-in-out;
}

@keyframes shake {
    0%,
    100% {
        transform: translateX(0);
    }
    25% {
        transform: translateX(-10px);
    }
    75% {
        transform: translateX(10px);
    }
}

#togglePassword {
    background: none;
    border: none;
    padding: 0;
    width: 40px;
    height: 40px;
}

#togglePassword:focus {
    box-shadow: none;
    outline: none;
}

/* Estilos para as mensagens de alerta com fade (mantidos para compatibilidade) */
.alert {
    position: relative;
    opacity: 0;
    transition: opacity 0.15s linear;
}

.alert.show {
    opacity: 1;
}

.alert.fade {
    transition: opacity 0.15s linear;
}

.alert-dismissible {
    padding-right: 3rem;
}

.alert-dismissible .btn-close {
    position: absolute;
    top: 0;
    right: 0;
    padding: 0.75rem 1.25rem;
    color: inherit;
}

/* Estilo para fechamento de alerta */
.alert-dismissible .btn-close {
    position: absolute;
    top: 0;
    right: 0;
    z-index: 2;
    padding: 1.25rem 1rem;
}