/* Variáveis de cores */
:root {
    --primary-color: #880000;
    --hover-color: #c20000;
    --background-color: #ffea8b;
    --text-color: #333;
    --light-text: #666;
    --transition-speed: 0.3s;
    --transition-timing: cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    background-image: url('../imagem/tiquem_lirou_vermeio_loginho.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    font-family: 'Roboto', sans-serif;
    color: var(--text-color);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    margin: 0;
    padding: 0;
}

body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1;
}

.login-container {
    background-color: #fff;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    padding: 40px;
    width: 90%;
    max-width: 450px;
    position: relative;
    z-index: 2;
    margin: 20px;
    transition: all var(--transition-speed) var(--transition-timing);
}

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

.login-logo img {
    max-width: 180px;
    height: auto;
    transition: all var(--transition-speed) var(--transition-timing);
}

h2 {
    text-align: center;
    margin-bottom: 30px;
    color: var(--primary-color);
    font-weight: 700;
    font-size: 28px;
    transition: all var(--transition-speed) var(--transition-timing);
}

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

.form-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: var(--primary-color);
    font-size: 15px;
    transition: all var(--transition-speed) var(--transition-timing);
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid rgba(136, 0, 0, 0.15);
    border-radius: 6px;
    font-size: 14px;
    transition: all 0.3s ease;
    min-height: 45px;
    color: var(--text-color);
    box-sizing: border-box;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(136, 0, 0, 0.1);
}

.form-control::placeholder {
    color: #999;
}

.btn {
    padding: 12px 20px;
    border-radius: 6px;
    font-weight: 600;
    font-size: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 45px;
    letter-spacing: 0.3px;
    width: 100%;
    box-shadow: 0 2px 6px rgba(136, 0, 0, 0.2);
}

.btn-primary, 
button[type="submit"],
input[type="submit"] {
    background-color: var(--primary-color);
    color: #fff;
    border: none;
}

.btn-primary:hover, 
button[type="submit"]:hover,
input[type="submit"]:hover {
    background-color: var(--hover-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(136, 0, 0, 0.25);
}

.alert {
    padding: 15px;
    margin-bottom: 20px;
    border-radius: 6px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 10px;
}

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

.alert-success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert i {
    font-size: 18px;
}

.form-text {
    font-size: 12px;
    color: var(--light-text);
    margin-top: 5px;
    display: block;
}

.text-muted {
    color: var(--light-text);
    opacity: 0.8;
}

/* Responsividade */
@media (max-width: 992px) {
    .login-container {
        padding: 35px;
        max-width: 420px;
    }
    
    h2 {
        font-size: 26px;
        margin-bottom: 28px;
    }
    
    .login-logo img {
        max-width: 160px;
    }
}

@media (max-width: 768px) {
    .login-container {
        padding: 30px;
        max-width: 380px;
        width: 85%;
    }
    
    h2 {
        font-size: 24px;
        margin-bottom: 25px;
    }
    
    .login-logo img {
        max-width: 140px;
    }
    
    .form-group label {
        font-size: 14px;
        margin-bottom: 8px;
    }
    
    .form-control {
        padding: 10px 14px;
        font-size: 14px;
        min-height: 42px;
    }
    
    .btn {
        min-height: 42px;
        font-size: 14px;
    }
}

@media (max-width: 576px) {
    .login-container {
        padding: 25px;
        max-width: 340px;
        width: 90%;
        margin: 15px;
        border-radius: 10px;
    }
    
    h2 {
        font-size: 22px;
        margin-bottom: 22px;
    }
    
    .login-logo {
        margin-bottom: 25px;
    }
    
    .login-logo img {
        max-width: 130px;
    }
    
    .form-group {
        margin-bottom: 20px;
    }
    
    .alert {
        padding: 12px;
        font-size: 13px;
    }
    
    .alert i {
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .login-container {
        padding: 20px;
        max-width: 300px;
        width: 92%;
        margin: 10px;
        border-radius: 8px;
    }
    
    h2 {
        font-size: 20px;
        margin-bottom: 20px;
    }
    
    .form-group {
        margin-bottom: 18px;
    }
    
    .form-group label {
        font-size: 13px;
        margin-bottom: 6px;
    }
    
    .login-logo img {
        max-width: 110px;
    }
    
    .form-control {
        padding: 8px 12px;
        font-size: 13px;
        min-height: 38px;
        border-width: 1px;
    }
    
    .btn {
        padding: 8px 15px;
        font-size: 13px;
        min-height: 38px;
    }
}

@media (max-width: 360px) {
    .login-container {
        padding: 15px;
        max-width: 280px;
        width: 95%;
    }
    
    h2 {
        font-size: 18px;
        margin-bottom: 15px;
    }
    
    .login-logo {
        margin-bottom: 20px;
    }
    
    .login-logo img {
        max-width: 100px;
    }
    
    .form-group {
        margin-bottom: 15px;
    }
    
    .form-control {
        padding: 8px 10px;
        font-size: 12px;
        min-height: 36px;
    }
    
    .btn {
        padding: 8px 12px;
        font-size: 12px;
        min-height: 36px;
    }
    
    .alert {
        padding: 10px;
        font-size: 12px;
        margin-bottom: 15px;
    }
    
    .alert i {
        font-size: 14px;
    }
}

/* Melhorias para dispositivos com tela pequena em orientação paisagem */
@media (max-height: 500px) and (orientation: landscape) {
    .login-container {
        padding: 15px 25px;
        margin: 10px;
    }
    
    .login-logo {
        margin-bottom: 15px;
    }
    
    .login-logo img {
        max-width: 100px;
    }
    
    h2 {
        font-size: 18px;
        margin-bottom: 15px;
    }
    
    .form-group {
        margin-bottom: 12px;
    }
    
    .form-group label {
        margin-bottom: 5px;
    }
    
    .form-control {
        min-height: 36px;
        padding: 8px 12px;
    }
    
    .btn {
        min-height: 36px;
    }
}

/* Suporte para telas muito pequenas */
@media (max-width: 320px) {
    .login-container {
        padding: 12px;
        width: 98%;
    }
    
    .form-control {
        padding: 6px 8px;
    }
    
    .btn {
        padding: 6px 10px;
    }
}