:root {
    --gold-primary: #C8A951;
    --gold-dark: #B08D35;
}

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

body {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    background-image: url('../img/login.jpeg');
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    background-color: rgba(0, 0, 0, 0.6);
    background-blend-mode: overlay;
}

.login-container {
    width: 100%;
    max-width: 450px;
    padding: 2rem 1rem;
}

.login-form {
    background: rgba(15, 15, 15, 0.75);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(200, 169, 81, 0.3);
}

.login-form h1 {
    font-family: 'Playfair Display', serif;
    text-align: center;
    margin-bottom: 1.5rem;
    color: #C8A951;
    font-size: 1.875rem;
    font-weight: 600;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5), 0 2px 6px rgba(0, 0, 0, 0.3);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

.login-form .form-group label {
    font-size: 0.9rem;
    white-space: nowrap;
}

.form-group input {
    width: 100%;
    padding: 0.75rem 0;
    background: transparent;
    border: none;
    border-bottom: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 0;
    font-size: 1rem;
    color: #fff;
    transition: border-color 0.3s ease;
}

.form-group input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.form-group input:focus {
    outline: none;
    border-bottom-color: #C8A951;
}

.form-group input.input-error {
    border-bottom-color: #c0392b;
}

.form-group input.input-error:focus {
    border-bottom-color: #e74c3c;
}

.error-message {
    color: #e74c3c;
    font-size: 0.875rem;
    margin-bottom: 0.75rem;
    padding: 0 0.25rem;
}

.btn-login {
    width: 100%;
    padding: 0.875rem;
    background: #C8A951;
    color: #111111;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    margin-top: 0.5rem;
    transition: background 0.3s ease;
}

.btn-login:hover {
    background: #B08D35;
}

.btn-login:disabled {
    cursor: not-allowed;
    opacity: 0.85;
}

.btn-gold {
    background-color: #C8A951;
    color: #1e1e2e;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-weight: bold;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

.btn-gold:hover {
    background-color: #e6b840;
}

@media (max-width: 768px) {
    .login-container {
        padding: 1rem;
    }

    .login-form {
        padding: 1.5rem;
    }

    .login-form h1 {
        font-size: 1.5rem;
    }

    body::before {
        background-position: center center;
    }

    .form-group input {
        min-height: 48px;
        padding: 0.75rem 0;
    }

    .btn-login {
        min-height: 48px;
        padding: 0.875rem;
    }
}