.app{display:grid;grid-template-columns:1fr;grid-template-rows:auto 1fr;min-height:100vh;background-color:var(--color-background)}.demo-banner{background:linear-gradient(135deg,#0d9488,#0f766e);color:#fff;padding:10px 14px;display:flex;align-items:flex-start;flex-wrap:wrap;gap:10px;font-size:13px;font-weight:500;position:sticky;top:0;z-index:30;box-shadow:0 2px 8px #0d948833;border-bottom:1px solid rgba(255,255,255,.14)}.hamburger-toggle{width:40px;height:40px;display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;border:1px solid rgba(255,255,255,.35);border-radius:var(--radius-md);background:#ffffff1f;cursor:pointer}.hamburger-toggle:focus-visible{outline:2px solid #ffffff;outline-offset:2px}.hamburger-toggle span{width:18px;height:2px;border-radius:2px;background-color:#fff}.demo-badge{background-color:#ffffff38;border:1px solid rgba(255,255,255,.35);padding:4px 12px;border-radius:20px;font-weight:600;font-size:12px;letter-spacing:.5px;white-space:nowrap}.demo-text{color:#f5fffd;line-height:1.35;flex:1 1 240px;min-width:200px;max-width:80ch}.sidebar{position:fixed;top:0;left:0;width:min(300px,82vw);height:100vh;background:linear-gradient(180deg,#18181b,#27272a);color:#fff;padding:20px;overflow-y:auto;box-shadow:var(--shadow-lg);display:flex;flex-direction:column;z-index:40;transform:translate(-100%);transition:transform .25s ease}.sidebar.open{transform:translate(0)}.nav-overlay{position:fixed;top:0;right:0;bottom:0;left:0;border:0;background:#18181b73;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .2s ease;z-index:35}.nav-overlay.open{opacity:1;visibility:visible;pointer-events:auto}.sidebar-header{margin-bottom:28px;display:flex;align-items:center;justify-content:space-between;gap:8px;padding-bottom:18px;border-bottom:1px solid rgba(255,255,255,.1)}.sidebar-header h1{font-size:20px;font-weight:700;letter-spacing:-.5px;background:linear-gradient(135deg,#fff,#a1a1aa);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.sidebar-close{border:1px solid rgba(255,255,255,.25);background:#ffffff1a;color:#fff;font-size:12px;padding:6px 10px;border-radius:var(--radius-sm);cursor:pointer}.sidebar-close:focus-visible,.nav-menu button:focus-visible{outline:2px solid #ffffff;outline-offset:2px}.nav-menu{list-style:none;display:flex;flex-direction:column;gap:6px}.nav-menu li{margin-bottom:0}.nav-menu button{width:100%;padding:12px 16px;background-color:transparent;color:#a1a1aa;border:none;cursor:pointer;border-radius:var(--radius-md);font-size:14px;font-weight:500;text-align:left;transition:all .2s ease;position:relative}.nav-menu button:hover{background-color:#ffffff14;color:#fff;transform:translate(4px)}.nav-menu button.active{background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-primary-dark) 100%);color:#fff;font-weight:600;box-shadow:0 4px 12px #0d948866}.nav-menu button.active:before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:3px;height:20px;background-color:#fff;border-radius:0 2px 2px 0}.main-content{padding:16px;overflow-y:auto;background-color:var(--color-background)}@media (max-width: 640px){.demo-banner{padding:8px 10px;font-size:12px;gap:8px}.hamburger-toggle{width:36px;height:36px;gap:3px}.demo-badge{padding:3px 9px;font-size:11px}.demo-text{font-size:12px;line-height:1.4;min-width:100%;order:3}}@media (max-width: 420px){.demo-banner{gap:6px;padding:8px}.demo-badge{font-size:10px;letter-spacing:.4px}.demo-text{font-size:11.5px}}@media (min-width: 769px){.app{grid-template-columns:260px 1fr;grid-template-rows:auto 1fr;height:100vh}.demo-banner{grid-column:1 / -1;padding:12px 24px;font-size:14px;gap:16px;align-items:center;flex-wrap:nowrap;position:static}.demo-text{min-width:0;order:initial}.hamburger-toggle,.sidebar-close,.nav-overlay{display:none}.sidebar{grid-row:2;grid-column:1;position:static;width:260px;height:auto;padding:24px;transform:none;z-index:auto;transition:none}.sidebar-header{margin-bottom:40px;padding-bottom:24px;align-items:flex-start;justify-content:flex-start}.main-content{grid-row:2;grid-column:2;padding:32px}}.form{background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:24px;margin-bottom:24px;box-shadow:var(--shadow-sm)}.form-group{margin-bottom:20px}.form-group:last-child{margin-bottom:0}.form-group label{display:block;margin-bottom:8px;font-weight:600;color:var(--color-text);font-size:14px}.form-group input,.form-group select,.form-group textarea{width:100%;padding:11px 14px;border:1px solid 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