.login-page[data-astro-cid-sjqh5bze]{min-height:100vh;padding:var(--space-2xl) 0;justify-content:center;align-items:center;display:flex}.login-page[data-astro-cid-sjqh5bze] .container[data-astro-cid-sjqh5bze]{text-align:center;max-width:480px}.login-hero[data-astro-cid-sjqh5bze]{margin-bottom:var(--space-2xl)}.hero-icon[data-astro-cid-sjqh5bze]{width:150px;height:150px;margin-left:auto;margin-right:auto;margin-bottom:var(--space-md);display:block}.hero-sub[data-astro-cid-sjqh5bze]{color:var(--text-secondary);margin-top:var(--space-sm);font-size:1.1rem}.login-card[data-astro-cid-sjqh5bze]{text-align:left;margin-bottom:var(--space-2xl)}.login-card[data-astro-cid-sjqh5bze] h2[data-astro-cid-sjqh5bze]{text-align:center;margin-bottom:var(--space-xs)}.login-desc[data-astro-cid-sjqh5bze]{text-align:center;color:var(--text-secondary);margin-bottom:var(--space-xl);font-size:.9rem}.device-note[data-astro-cid-sjqh5bze]{text-align:center;color:var(--text-muted);margin:calc(-1 * var(--space-md)) 0 var(--space-lg);font-size:.8rem}.device-note[data-astro-cid-sjqh5bze] a[data-astro-cid-sjqh5bze]{color:inherit}.mode-tabs[data-astro-cid-sjqh5bze]{gap:var(--space-xs);padding:var(--space-xs);margin:var(--space-md) 0 var(--space-lg);background:var(--bg-glass);border:1px solid var(--border-color);border-radius:var(--radius-full);grid-template-columns:1fr 1fr;display:grid}.mode-tab[data-astro-cid-sjqh5bze]{padding:var(--space-sm) var(--space-md);border-radius:var(--radius-full);color:var(--text-secondary);font:inherit;cursor:pointer;transition:background var(--transition-fast), color var(--transition-fast);background:0 0;border:none;font-size:.95rem;font-weight:600}.mode-tab[data-astro-cid-sjqh5bze][aria-selected=true]{background:var(--accent);color:#fff}.code-input[data-astro-cid-sjqh5bze]{text-align:center;font-family:var(--font-mono);letter-spacing:.2em;text-transform:uppercase;font-size:1.5rem}.class-head[data-astro-cid-sjqh5bze]{justify-content:center;align-items:center;gap:var(--space-md);margin-bottom:var(--space-md);flex-wrap:wrap;display:flex}.class-name[data-astro-cid-sjqh5bze]{font-size:1.15rem;font-weight:700}.link-btn[data-astro-cid-sjqh5bze]{color:var(--text-muted);font:inherit;cursor:pointer;background:0 0;border:none;font-size:.85rem;text-decoration:underline}.roster-list[data-astro-cid-sjqh5bze]{margin-bottom:var(--space-lg)}.roster-list[data-astro-cid-sjqh5bze] .roster-empty{color:var(--text-muted);font-size:.9rem}#panel-class[data-astro-cid-sjqh5bze] .device-note[data-astro-cid-sjqh5bze]{margin:var(--space-lg) 0 0}.teacher-link[data-astro-cid-sjqh5bze]{margin-top:var(--space-lg);padding-top:var(--space-md);border-top:1px solid var(--border-color);text-align:center;color:var(--text-secondary);font-size:.9rem}.teacher-link[data-astro-cid-sjqh5bze] a[data-astro-cid-sjqh5bze]{color:var(--accent);font-weight:600}.saved-students[data-astro-cid-sjqh5bze]{margin-bottom:var(--space-lg)}.saved-label[data-astro-cid-sjqh5bze]{color:var(--text-secondary);margin-bottom:var(--space-sm);text-align:center;font-size:.85rem}.saved-list[data-astro-cid-sjqh5bze]{gap:var(--space-sm);flex-wrap:wrap;justify-content:center;max-height:9.5rem;display:flex;overflow-y:auto}.saved-list[data-astro-cid-sjqh5bze] .saved-chip{align-items:center;gap:var(--space-sm);background:var(--bg-glass);border:1px solid var(--border-color);border-radius:var(--radius-full);color:var(--text-primary);font:inherit;cursor:pointer;transition:border-color var(--transition-fast), background var(--transition-fast);padding:6px 14px;font-weight:600;display:inline-flex}.saved-list[data-astro-cid-sjqh5bze] .saved-chip:hover,.saved-list[data-astro-cid-sjqh5bze] .saved-chip.selected{border-color:var(--accent);background:var(--accent-glow)}.saved-list[data-astro-cid-sjqh5bze] .saved-meta{color:var(--text-muted);font-size:.75rem;font-weight:500}.teacher-tools[data-astro-cid-sjqh5bze]{text-align:left;margin-bottom:var(--space-2xl);padding:var(--space-lg)}.teacher-tools[data-astro-cid-sjqh5bze] summary[data-astro-cid-sjqh5bze]{cursor:pointer;color:var(--text-secondary);font-weight:600}.tools-desc[data-astro-cid-sjqh5bze]{color:var(--text-secondary);margin:var(--space-md) 0;font-size:.9rem;line-height:1.5}.tools-actions[data-astro-cid-sjqh5bze]{gap:var(--space-sm);flex-wrap:wrap;display:flex}.file-btn[data-astro-cid-sjqh5bze]{cursor:pointer}.tools-result[data-astro-cid-sjqh5bze]{margin-top:var(--space-md);color:var(--success);font-size:.9rem}.tools-result[data-astro-cid-sjqh5bze].error{color:var(--error)}.tools-note[data-astro-cid-sjqh5bze]{margin-top:var(--space-sm);color:var(--text-muted);font-size:.8rem}.form-group[data-astro-cid-sjqh5bze]{margin-bottom:var(--space-lg)}.pin-input-group[data-astro-cid-sjqh5bze]{gap:var(--space-md);justify-content:center;display:flex}.pin-digit[data-astro-cid-sjqh5bze]{text-align:center;width:56px;height:64px;font-size:1.5rem;font-weight:700;font-family:var(--font-mono);background:var(--bg-glass);border:2px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-primary);transition:all var(--transition-fast)}.pin-digit[data-astro-cid-sjqh5bze]:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}.login-error[data-astro-cid-sjqh5bze]{color:var(--error);padding:var(--space-sm) var(--space-md);border-radius:var(--radius-sm);text-align:center;margin-bottom:var(--space-md);background:#f871711a;border:1px solid #f871714d;font-size:.85rem}.shake-anim[data-astro-cid-sjqh5bze]{animation:.3s shake}.login-btn[data-astro-cid-sjqh5bze]{width:100%;margin-top:var(--space-sm)}.login-features[data-astro-cid-sjqh5bze]{justify-content:center;gap:var(--space-xl);flex-wrap:wrap;display:flex}.feature[data-astro-cid-sjqh5bze]{align-items:center;gap:var(--space-sm);display:flex}.feature-icon[data-astro-cid-sjqh5bze]{font-size:1.2rem}.feature-text[data-astro-cid-sjqh5bze]{color:var(--text-muted);font-size:.85rem}@media (width<=480px){.pin-digit[data-astro-cid-sjqh5bze]{width:48px;height:56px;font-size:1.2rem}.login-features[data-astro-cid-sjqh5bze]{align-items:center;gap:var(--space-sm);flex-direction:column}}