:root{color-scheme:dark;--ink:#0a0d0b;--surface:#111612;--paper:#e8e4d8;--muted:#aaaFA8;--gold:#b9a36a;--line:#303a31;font-family:Avenir Next,Avenir,system-ui,sans-serif;background:var(--ink);color:var(--paper)}*{box-sizing:border-box}body{margin:0}button,select,textarea,input{font:inherit}button,select,.download-link{border:1px solid var(--line);border-radius:7px;background:var(--surface);color:var(--paper);padding:10px 16px;min-height:44px;cursor:pointer}button:hover{border-color:var(--gold)}button.primary{background:var(--gold);color:#0a0d0b;border-color:var(--gold)}button:disabled{opacity:.45;cursor:not-allowed}:focus-visible{outline:2px solid #d5c28b;outline-offset:3px}a{color:#d5c28b}header{padding:22px 28px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:20px}.eyebrow{color:var(--gold);font-size:10px;letter-spacing:.18em;text-transform:uppercase;margin:0 0 7px}h1{font-size:27px;font-weight:500;letter-spacing:-.04em;margin:0}.intro{color:var(--muted);line-height:1.5;font-size:13px;margin:8px 0 0}.toolbar{display:flex;align-items:center;flex-wrap:wrap;gap:9px;padding:16px 28px}.toolbar label{color:var(--muted);font-size:12px}.workspace{margin:0 28px 20px;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);border:1px solid var(--line);border-radius:10px;overflow:hidden;min-height:400px}.pane{min-width:0;background:var(--surface)}.pane+.pane{border-left:1px solid var(--line)}.pane h2{font-size:11px;text-transform:uppercase;letter-spacing:.14em;color:var(--gold);padding:16px;margin:0;border-bottom:1px solid var(--line)}textarea{display:block;resize:vertical;width:100%;min-height:350px;background:transparent;border:0;padding:20px;color:var(--paper);line-height:1.7;font-family:ui-monospace,monospace;font-size:13px}textarea:focus-visible{outline-offset:-3px}.preview{padding:20px;overflow:auto;min-height:350px;line-height:1.7;overflow-wrap:anywhere}.preview h1{font-size:28px}.preview h2{font-size:21px;text-transform:none;letter-spacing:normal;color:var(--paper);padding:12px 0}.preview pre{white-space:pre-wrap;background:#0a0d0b;padding:16px;border-radius:6px}.preview table{border-collapse:collapse}.preview td,.preview th{padding:8px;border:1px solid var(--line)}.preview blockquote{border-left:2px solid var(--gold);margin:12px 0;padding-left:18px;color:var(--muted)}.status{font-size:12px;color:var(--muted);padding:0 28px;min-height:20px}.status.error{color:#f2b9ac}footer{padding:16px 28px;display:flex;flex-wrap:wrap;gap:10px 24px;color:var(--muted);font-size:11px;border-top:1px solid var(--line)}#diagram{display:flex;align-items:center;justify-content:center}#diagram svg{max-width:100%;height:auto}.canvas-root{height:620px;min-height:420px;margin:0 16px 20px;border:1px solid var(--line);border-radius:12px;overflow:hidden}.excalidraw.theme--dark{--color-primary:#b9a36a;--color-primary-darker:#d5c28b;--color-primary-darkest:#d5c28b;--color-primary-light:#3c3a27;--island-bg-color:#171e18;--popup-bg-color:#171e18;--default-bg-color:#111612;--text-primary-color:#e8e4d8;--button-gray-1:#26332a;--button-gray-2:#344537}@media(max-width:760px){header{padding:18px;align-items:flex-start;flex-direction:column}.toolbar{padding:14px 18px}.workspace{margin:0 18px 18px;grid-template-columns:1fr}.pane+.pane{border-left:0;border-top:1px solid var(--line)}textarea,.preview{min-height:240px}.canvas-root{height:70dvh;margin:0 8px 12px}footer{padding:16px 18px}}#diagram svg{max-height:520px;width:100%}#canvas .excalidraw.theme--dark{--theme-filter:none;--color-primary:#b9a36a;--color-primary-darker:#d5c28b;--color-primary-darkest:#e8d59b;--color-primary-light:#3c3a27;--color-surface-high:#3c3a27;--color-surface-low:#171e18;--color-surface-lowest:#111612;--color-on-primary-container:#e8e4d8;--color-primary-container:#3c3a27}#canvas .excalidraw__canvas{filter:none}#canvas .ToolIcon_type_radio input:checked+.ToolIcon__icon{background:#3c3a27;color:#e8e4d8}#canvas .HintViewer{color:#b7bdb5}:root{--ink:#0b171e;--surface:#102129;--paper:#f1e9da;--muted:#bed0d2;--gold:#cfb993;--line:#304650;background:#0b171e}body{background:radial-gradient(ellipse at 85% 0,#a8d9e310,transparent 55%),var(--ink)}header{background:linear-gradient(120deg,#b5dce509,transparent);border-bottom-color:#b7d5de30}h1{font-family:Baskerville,Iowan Old Style,Georgia,serif;font-size:34px;font-weight:400}button,select{background:linear-gradient(130deg,#213742,#142730);border-color:#b7d5de33;border-radius:10px}button.primary{background:linear-gradient(120deg,#e4d3b6,#c2aa86);color:#102129;border-color:#f1dfbd}.workspace{border-color:#b7d5de33;border-radius:16px;box-shadow:inset 0 1px #ffffff0a}.pane{background:#102129}.preview pre{background:#0b171e}.preview h1{font-family:inherit}a{color:#ead8b8}#canvas .excalidraw.theme--dark{--color-primary:#cfb993;--island-bg-color:#172e37;--popup-bg-color:#172e37;--color-surface-low:#172e37;--color-surface-lowest:#102129}