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

:root {
    --primary-gold: #D4AF37;
    --dark-gold: #B8860B;
    --charcoal: #2C2C2C;
    --cream: #F5F5DC;
    --black: #1A1A1A;
    --white: #FFFFFF;
    --transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

body {
    font-family: 'Inter', sans-serif;
    background: linear-gradient(135deg, var(--black) 0%, var(--charcoal) 100%);
    color: var(--white);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.login-container {
    background: rgba(44, 44, 44, 0.95);
    backdrop-filter: blur(10px);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--primary-gold);
    width: 100%;
    max-width: 400px;
    position: relative;
    overflow: hidden;
}

.login-container::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(45deg, var(--primary-gold) 0%, transparent 50%, var(--dark-gold) 100%);
    opacity: 0.05;
}

.login-container > * {
    position: relative;
    z-index: 1;
}

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

.logo h1 {
    font-family: 'Playfair Display', serif;
    color: var(--primary-gold);
    font-size: 2rem;
    margin-bottom: 5px;
}

.logo p {
    color: var(--cream);
    opacity: 0.8;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--cream);
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 8px;
    background: rgba(60, 60, 60, 0.5);
    color: var(--white);
    font-size: 16px;
    transition: var(--transition);
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-gold);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
}

.btn {
    width: 100%;
    padding: 15px;
    background: linear-gradient(45deg, var(--primary-gold), var(--dark-gold));
    color: var(--black);
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(212, 175, 55, 0.3);
}

.error {
    background: rgba(220, 53, 69, 0.2);
    border: 1px solid rgba(220, 53, 69, 0.5);
    color: #ff6b6b;
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 20px;
    text-align: center;
}

.back-link {
    text-align: center;
    margin-top: 20px;
}

.back-link a {
    color: var(--cream);
    text-decoration: none;
    opacity: 0.8;
    transition: var(--transition);
}

.back-link a:hover {
    color: var(--primary-gold);
    opacity: 1;
}

.credentials-info {
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid var(--primary-gold);
    padding: 15px;
    border-radius: 8px;
    margin-top: 20px;
    font-size: 14px;
    color: var(--cream);
}

.credentials-info strong {
    color: var(--primary-gold);
}