:root {
    --login-primary: #8b3a22;
    --login-secondary: #c0804a;
    --login-text: #1a1a2e;
    --login-white: rgba(255, 255, 255, 0.85);
    --login-blur: 12px;
}

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

body, html {
    height: 100%;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    overflow: hidden;
}

.login-container {
    height: 100vh;
    width: 100vw;
    display: flex;
    align-items: center;
    justify-content: center;
    background-image: url('../img/users/login_bg.png');
    background-size: cover;
    background-position: center;
    position: relative;
}

.login-container::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.2);
    z-index: 1;
}

.login-card {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 420px;
    padding: 40px;
    background: var(--login-white);
    backdrop-filter: blur(var(--login-blur));
    -webkit-backdrop-filter: blur(var(--login-blur));
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    animation: fadeIn 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.login-logo {
    font-size: 28px;
    font-weight: 800;
    color: var(--login-primary);
    letter-spacing: -1px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 8px;
}

.login-header p {
    font-size: 14px;
    color: #4b5563;
    font-weight: 500;
}

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

.form-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--login-text);
    margin-bottom: 8px;
    margin-left: 4px;
}

.form-input-wrapper {
    position: relative;
}

.form-input-wrapper i {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: #9ca3af;
    font-size: 18px;
}

.form-control {
    width: 100%;
    padding: 12px 14px 12px 42px;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(209, 213, 219, 0.5);
    border-radius: 12px;
    font-size: 15px;
    transition: all 0.2s ease;
    outline: none;
}

.form-control:focus {
    border-color: var(--login-primary);
    box-shadow: 0 0 0 4px rgba(139, 58, 34, 0.1);
    background: #fff;
}

.btn-login {
    width: 100%;
    padding: 14px;
    background: var(--login-primary);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-login:hover {
    background: #7a321e;
    transform: translateY(-1px);
    box-shadow: 0 10px 15px -3px rgba(139, 58, 34, 0.3);
}

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

.login-footer {
    margin-top: 24px;
    text-align: center;
}

.login-footer a {
    color: var(--login-primary);
    text-decoration: none;
    font-size: 13px;
    font-weight: 600;
}

.alert-error {
    background: #fee2e2;
    border: 1px solid #fecaca;
    color: #b91c1c;
    padding: 12px;
    border-radius: 10px;
    font-size: 13px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Responsividade */
@media (max-width: 480px) {
    .login-card {
        padding: 30px 20px;
        margin: 16px;
    }
}