:root{--bg: #fafafa;--bg-elev: #ffffff;--bg-hover: #f1f1f1;--text: #1a1a1a;--text-muted: #6e6e6e;--text-faint: #a1a1a1;--border: #e5e5e5;--border-strong: #cccccc;--accent: #000000;--accent-hover: #2a2a2a;--ok: #10b981;--warn: #f59e0b;--err: #ef4444;--radius-sm: 4px;--radius-md: 6px;--radius-lg: 8px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .04);--shadow-md: 0 2px 8px rgba(0, 0, 0, .06);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .08);--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 24px;--space-6: 32px;--space-7: 48px;--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "PingFang SC", "Noto Sans SC", "Helvetica Neue", sans-serif;--font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;--transition-fast: .12s ease-out;--transition-base: .15s ease-out}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--bg: #0a0a0a;--bg-elev: #141414;--bg-hover: #1c1c1c;--text: #f0f0f0;--text-muted: #9a9a9a;--text-faint: #5e5e5e;--border: #262626;--border-strong: #404040;--accent: #ffffff;--accent-hover: #dcdcdc;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .4);--shadow-md: 0 2px 8px rgba(0, 0, 0, .5);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .6)}}:root[data-theme=dark]{--bg: #0a0a0a;--bg-elev: #141414;--bg-hover: #1c1c1c;--text: #f0f0f0;--text-muted: #9a9a9a;--text-faint: #5e5e5e;--border: #262626;--border-strong: #404040;--accent: #ffffff;--accent-hover: #dcdcdc;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .4);--shadow-md: 0 2px 8px rgba(0, 0, 0, .5);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .6)}*{box-sizing:border-box}html,body{margin:0;padding:0;height:100%}body{background:var(--bg);color:var(--text);font-family:var(--font-sans);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{min-height:100%}h1,h2,h3,h4{font-weight:500;margin:0;letter-spacing:-.01em}button{font:inherit;color:inherit;background:transparent;border:1px solid var(--border);border-radius:var(--radius-sm);padding:6px 12px;cursor:pointer;transition:background var(--transition-base),border-color var(--transition-base);font-weight:500;line-height:1;white-space:nowrap;touch-action:manipulation}button:hover:not(:disabled){background:var(--bg-hover)}button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}button:disabled{opacity:.5;cursor:not-allowed}button.btn-primary{background:var(--accent);color:var(--bg);border-color:var(--accent)}button.btn-primary:hover:not(:disabled){background:var(--accent-hover);border-color:var(--accent-hover)}button.btn-ghost{border-color:transparent}button.btn-ghost:hover:not(:disabled){background:var(--bg-hover)}textarea,input,select{font:inherit;color:inherit;background:transparent;border:1px solid var(--border);border-radius:var(--radius-sm);padding:var(--space-3);outline:none;transition:border-color var(--transition-base);width:100%;font-size:16px}textarea{resize:vertical;font-family:var(--font-sans)}textarea:focus,input:focus,select:focus{border-color:var(--accent)}textarea::placeholder,input::placeholder{color:var(--text-faint)}select{cursor:pointer;padding:6px 28px 6px 12px;appearance:none;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2'><polyline points='6 9 12 15 18 9'/></svg>");background-repeat:no-repeat;background-position:right 8px center}.capacity-dot{display:inline-block;width:8px;height:8px;border-radius:50%;flex-shrink:0}.capacity-dot.ok{background:var(--ok)}.capacity-dot.warn{background:var(--warn)}.capacity-dot.err{background:var(--err)}.privacy-banner{position:sticky;top:0;height:2px;background:var(--err);z-index:100;margin-top:env(safe-area-inset-top)}.editor-textarea{min-height:clamp(520px,65vh,760px);font-family:var(--font-mono);font-size:16px;line-height:1.65;padding:var(--space-4)}@media(max-width:720px){.editor-textarea{min-height:clamp(300px,45vh,480px)}}@media(max-height:520px)and (orientation:landscape){.editor-textarea{min-height:clamp(160px,50vh,260px)}}.qr-panel{width:clamp(320px,28vw,380px)}@media(max-width:720px){.qr-panel{width:100%!important;max-width:420px;margin:0 auto}.editor-grid{grid-template-columns:minmax(0,1fr)!important}.editor-subtitle{display:none}button{min-height:44px;padding:10px 14px}}.toast{position:fixed;right:calc(var(--space-5) + env(safe-area-inset-right));bottom:calc(var(--space-5) + env(safe-area-inset-bottom));background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--radius-md);padding:var(--space-3) var(--space-4);box-shadow:var(--shadow-md);font-size:13px;z-index:200}.history-drawer-body{overscroll-behavior:contain;-webkit-overflow-scrolling:touch}@media(max-width:480px){.history-drawer{width:100vw!important}}@keyframes qr-lightbox-fade{0%{opacity:0}to{opacity:1}}