body {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    /* Override default body margin/padding if needed, though admin.css handles it */
}
.login-card {
    width: 100%;
    max-width: 420px;
    background: var(--panel);
    padding: 2.5rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    position: relative;
    overflow: hidden;
}
/* Decorative header accent */
.login-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(to right, var(--primary), var(--info));
}
.login-header {
    text-align: center;
    margin-bottom: 2rem;
}
.login-header h1 {
    font-family: var(--font);
    font-size: 1.75rem;
    font-weight: 700;
    margin: 0 0 0.5rem 0;
    color: var(--text);
}
.login-header p {
    color: var(--muted);
    margin: 0;
    font-size: 0.95rem;
}
.form-group {
    margin-bottom: 1.5rem;
}
.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--text);
}
.form-input {
    width: 100%;
    padding: 0.875rem 1rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: var(--bg);
    color: var(--text);
    transition: all 0.2s;
    font-size: 0.95rem;
}
.form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(0, 159, 178, 0.1);
    background: var(--panel);
}
.btn-login {
    width: 100%;
    padding: 0.875rem;
    background: linear-gradient(135deg, var(--primary), var(--primary-2));
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: transform 0.1s, box-shadow 0.2s;
    box-shadow: 0 4px 12px rgba(0, 159, 178, 0.2);
}
.btn-login:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(0, 159, 178, 0.3);
}
.btn-login:active {
    transform: translateY(0);
}
.auth-links {
    margin-top: 1.5rem;
    text-align: center;
    font-size: 0.9rem;
}
.auth-links a {
    color: var(--primary);
    font-weight: 500;
}
.auth-links a:hover {
    text-decoration: underline;
}