:root {
    --gold: #F5C142;
    --gold-dark: #D4960A;
    --gold-light: #FFD97D;
    --black: #111111;
    --black-card: #1a1a1a;
}
body {
    background: var(--black);
    background-image: radial-gradient(circle at 15% 15%, rgba(245,193,66,0.08) 0%, transparent 45%),
                       radial-gradient(circle at 85% 85%, rgba(245,193,66,0.06) 0%, transparent 45%);
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}
.login-container {
    background: var(--black-card);
    padding: 2.5rem;
    border-radius: 16px;
    border: 1px solid rgba(245,193,66,0.30);
    box-shadow: 0 20px 60px rgba(0,0,0,0.5), 0 0 40px rgba(245,193,66,0.06);
    width: 100%;
    max-width: 400px;
}
.login-header {
    text-align: center;
    margin-bottom: 1.5rem;
}
.login-header img {
    height: 90px;
    margin-bottom: 12px;
    mix-blend-mode: screen;
}
.login-header h2 {
    color: var(--gold);
    font-weight: 800;
    margin-bottom: 0.25rem;
}
.login-header p {
    color: rgba(255,255,255,0.55);
    margin: 0;
    font-size: 14px;
}
.form-label {
    color: rgba(255,255,255,0.8);
    font-weight: 600;
}
.form-control {
    background: #222222;
    border: 1px solid rgba(245,193,66,0.2);
    color: #fff;
}
.form-control:focus {
    background: #222222;
    border-color: var(--gold);
    color: #fff;
    box-shadow: 0 0 0 0.2rem rgba(245, 193, 66, 0.25);
}
.form-check-label {
    color: rgba(255,255,255,0.6);
}
.btn-gold {
    background: linear-gradient(135deg, var(--gold), var(--gold-dark));
    color: var(--black);
    border: none;
    font-weight: 700;
    padding: 10px;
    border-radius: 10px;
    transition: transform 0.2s, box-shadow 0.2s;
}
.btn-gold:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 25px rgba(245, 193, 66, 0.4);
    color: var(--black);
}
.default-users {
    border-top: 1px solid rgba(245,193,66,0.15);
    padding-top: 1rem;
    margin-top: 1.5rem;
    color: rgba(255,255,255,0.4);
}