:root{--bg: #0a0a12;--panel: #12121c;--border: #232332;--text: #e8e8f0;--text-dim: #8b8b9e;--accent: #8b5cf6;--accent-soft: rgba(139, 92, 246, .15)}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Noto Sans,sans-serif;background:var(--bg);color:var(--text)}.shell{min-height:100vh;display:flex;flex-direction:column;padding:16px clamp(12px,3vw,40px) 0}.topbar{display:flex;justify-content:space-between;align-items:center;padding:10px 4px 18px}.brand{display:flex;align-items:center;gap:8px;font-size:20px;font-weight:700}.logo{width:14px;height:14px;border-radius:50%;background:var(--accent)}.tagline{font-size:13px;font-weight:400;color:var(--text-dim);margin-left:8px}.links a{color:var(--text-dim);text-decoration:none;margin-left:18px;font-size:14px}.links a:hover{color:var(--text)}.controls{display:flex;flex-wrap:wrap;gap:10px 18px;padding-bottom:14px}.fontset-picker{display:inline-flex;align-items:center;gap:8px}.fontset-label{font-size:13px;color:var(--text-dim)}.fontset-picker select{background:var(--panel);color:var(--text);border:1px solid var(--border);border-radius:8px;padding:5px 8px;font-size:13px;max-width:320px}.fontset-loading{font-size:12px;color:var(--text-dim)}.control-group{display:flex;flex-wrap:wrap;gap:6px}.chip{border:1px solid var(--border);background:var(--panel);color:var(--text-dim);padding:5px 12px;border-radius:999px;font-size:13px;cursor:pointer;display:inline-flex;align-items:center;gap:6px}.chip:hover{color:var(--text);border-color:var(--accent)}.chip.active{background:var(--accent-soft);border-color:var(--accent);color:var(--text)}.dot{width:9px;height:9px;border-radius:50%;display:inline-block}.byline-input{margin-left:auto;background:var(--panel);border:1px solid var(--border);color:var(--text);border-radius:999px;padding:5px 14px;font-size:13px;width:200px}.byline-input:focus{outline:none;border-color:var(--accent)}.workspace{flex:1;display:grid;grid-template-columns:minmax(320px,1fr) minmax(380px,1.25fr);gap:16px;padding-bottom:16px;min-height:60vh}@media(max-width:900px){.workspace{grid-template-columns:1fr}}.editor-pane,.preview-pane{display:flex;flex-direction:column;background:var(--panel);border:1px solid var(--border);border-radius:14px;overflow:hidden}.pane-header{display:flex;align-items:center;justify-content:space-between;padding:10px 16px;border-bottom:1px solid var(--border);font-size:13px;color:var(--text-dim);letter-spacing:.4px}.actions{display:flex;gap:8px}button:not(.chip){background:var(--accent);border:none;color:#fff;font-size:13px;font-weight:600;padding:6px 14px;border-radius:8px;cursor:pointer}button:not(.chip):hover{filter:brightness(1.1)}button.ghost{background:transparent;border:1px solid var(--border);color:var(--text-dim)}button.ghost:hover{color:var(--text);border-color:var(--accent)}textarea{flex:1;resize:none;border:none;background:transparent;color:var(--text);padding:18px;font-family:SF Mono,ui-monospace,Menlo,Consolas,monospace;font-size:14px;line-height:1.65;min-height:340px}textarea:focus{outline:none}.canvas{flex:1;display:flex;align-items:center;justify-content:center;padding:22px;overflow:auto;background:radial-gradient(circle at 20% 10%,rgba(139,92,246,.07),transparent 45%),radial-gradient(circle at 85% 90%,rgba(6,182,212,.06),transparent 45%)}.card-holder svg{width:100%!important;height:100%!important;border-radius:12px;box-shadow:0 18px 50px #00000073}.error{color:#f87171;font-family:ui-monospace,monospace;font-size:13px;max-width:420px}.foot{text-align:center;color:var(--text-dim);font-size:12.5px;padding:12px 0 18px}