/* Only the shared authentication surface is rendered before the portal loads. */
html[data-login-shell] {
    --primary: #b91c1c; --primary-dark: #7f1d1d; --danger: #dc2626;
    --warning: #b45309; --success: #059669; --text: #1a1a2e;
    --text-primary: #1a1a2e; --text-secondary: #64748b; --border: #e2e8f0;
    color-scheme: light;
    background: #f0f2f5; color: var(--text);
    font: 16px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
}
html[data-login-shell][data-theme="dark"] {
    --text: #f3f4f6; --text-primary: #f3f4f6; --text-secondary: #a1a1aa;
    --border: #52525b; --danger: #f87171; --warning: #fbbf24;
    background: #242428; color-scheme: dark;
}
html[data-login-shell] * { box-sizing: border-box; }
html[data-login-shell] body { margin: 0; }
html[data-login-shell] body > :not(.phone-shell),
html[data-login-shell] .screen > :not(.view-container),
html[data-login-shell] .view-container > :not(.app-view.active) { display: none !important; }
html[data-login-shell] .screen { min-height: 100vh; min-height: 100dvh; background: linear-gradient(#fef2f2, #f0f2f5); }
html[data-login-shell][data-theme="dark"] .screen { background: linear-gradient(#30282e, #242428); }
html[data-login-shell] .view-container { padding: max(24px, env(safe-area-inset-top)) 16px max(24px, env(safe-area-inset-bottom)); }
html[data-login-shell] .login-view { min-height: calc(100dvh - 48px); display: flex; align-items: center; }
html[data-login-shell] .glass-card { padding: 28px; border: 1px solid var(--border); border-radius: 24px; background: #fff; box-shadow: 0 4px 20px #0000000d; }
html[data-login-shell][data-theme="dark"] .glass-card { background: #323238; }
html[data-login-shell] .login-header { text-align: center; margin-bottom: 24px; }
html[data-login-shell] h2 { margin: 0 0 8px; font-size: 1.6rem; }
html[data-login-shell] p { color: var(--text-secondary); margin: 8px 0; }
html[data-login-shell] .input-group { margin-bottom: 18px; }
html[data-login-shell] label { display: block; font-size: .9rem; font-weight: 600; margin-bottom: 7px; }
html[data-login-shell] input { width: 100%; padding: 13px 14px; font: inherit; color: var(--text); background: transparent; border: 1px solid var(--border); border-radius: 12px; }
html[data-login-shell] input:focus { outline: 2px solid var(--primary); outline-offset: 2px; }
html[data-login-shell] button { font: inherit; cursor: pointer; }
html[data-login-shell] button:disabled { cursor: wait; opacity: .65; }
html[data-login-shell] .btn-primary, html[data-login-shell] .btn-secondary { display: block; width: 100%; padding: 13px; border-radius: 12px; font-weight: 600; }
html[data-login-shell] .btn-primary { color: white; background: var(--primary); border: 0; }
html[data-login-shell] .btn-secondary { color: var(--text-secondary); background: transparent; border: 1px solid var(--border); }
html[data-login-shell] .btn-primary:hover { background: var(--primary-dark); }
html[data-login-shell] a { color: var(--primary); }
html[data-login-shell] [data-lucide] { display: none; }
html[data-login-shell] .auth-lang-bar { display: flex; justify-content: center; gap: 7px; margin-bottom: 20px; }
html[data-login-shell] .auth-lang-btn { padding: 5px 9px; border: 1px solid var(--border); border-radius: 7px; background: transparent; color: var(--text-secondary); }
html[data-login-shell] .auth-lang-btn.active { border-color: var(--primary); color: var(--primary); }
html[data-login-shell] [hidden] { display: none !important; }
/* Revealing the workstation on blur must not move the button/link being clicked. */
html[data-login-shell] #staff-workstation { min-height: 24px; }
html[data-login-shell] #staff-workstation[hidden] { display: block !important; visibility: hidden; }
@media (max-width: 420px) {
    html[data-login-shell] .glass-card { padding: 22px 18px; }
}