:root {
    --cus-login-accent: #0d6efd;
    --cus-login-accent-soft: #cfe2ff;
}
html, body { height: 100%; }
body.cus-login-body {
    margin: 0;
    min-height: 100vh;
    background: #f4f6fa var(--cus-login-bg, none) center/cover no-repeat fixed;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
.cus-login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 1.25rem; }
.cus-login-card {
    width: 100%; max-width: 26rem;
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(14px) saturate(140%);
    border: 1px solid rgba(255,255,255,0.6);
    border-radius: 1.25rem;
    box-shadow: 0 24px 60px rgba(15,23,42,0.18);
    padding: 1.75rem 1.5rem;
}
.cus-login-brand { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 1rem; }
.cus-login-brand-mark {
    width: 2.5rem; height: 2.5rem; border-radius: 0.75rem;
    background: var(--cus-login-accent); color: #fff;
    display: flex; align-items: center; justify-content: center; font-size: 1.25rem;
}
.cus-login-brand-text strong { display: block; font-size: 1rem; }
.cus-login-brand-text span { font-size: 0.78rem; color: #6b7280; }
.cus-login-title { font-size: 1.25rem; margin: 0 0 0.25rem; font-weight: 600; display: flex; align-items: center; gap: 0.5rem; }
.cus-login-title .back-btn { background: transparent; border: 0; padding: 0.15rem 0.25rem; cursor: pointer; border-radius: 0.4rem; }
.cus-login-hint { font-size: 0.85rem; color: #6b7280; margin-bottom: 1rem; }
.cus-login-form .form-control { border-radius: 0.6rem; padding: 0.7rem 0.9rem; font-size: 0.95rem; }
.cus-login-form .form-control:focus { border-color: var(--cus-login-accent); box-shadow: 0 0 0 0.18rem rgba(13,110,253,0.18); }
.cus-login-btn {
    width: 100%; border: 0; border-radius: 0.6rem; padding: 0.75rem;
    font-weight: 600; font-size: 0.95rem; color: #fff; background: var(--cus-login-accent);
}
.cus-login-btn:hover { filter: brightness(1.04); }
.cus-login-alert { border-radius: 0.6rem; padding: 0.55rem 0.75rem; font-size: 0.85rem; margin-bottom: 0.9rem; }
.cus-login-alert.danger { background: rgba(220,38,38,0.10); color: #b91c1c; border: 1px solid rgba(220,38,38,0.25); }
.cus-login-alert.success { background: rgba(16,185,129,0.10); color: #047857; border: 1px solid rgba(16,185,129,0.30); }
.cus-login-foot { margin-top: 1rem; font-size: 0.72rem; color: #6b7280; text-align: center; }
.otp-code-input { text-align: center; letter-spacing: 0.4rem; font-size: 1.15rem !important; font-weight: 600; }
.otp-resend {
    display: block; text-align: center; margin-top: 0.5rem; font-size: 0.85rem;
    color: var(--cus-login-accent); background: transparent; border: 0; cursor: pointer; width: 100%;
}
.cus-login-mock { font-size: 0.72rem; color: #6b7280; text-align: center; margin-top: 0.6rem; font-style: italic; }
.cus-login-links { text-align: center; margin-top: 1rem; font-size: 0.85rem; }
.cus-login-links a { color: var(--cus-login-accent); text-decoration: none; }