:root{font-family:Aptos,Segoe UI,sans-serif;color:#1f2937;background:radial-gradient(circle at top left,rgba(251,146,60,.22),transparent 28%),radial-gradient(circle at top right,rgba(56,189,248,.18),transparent 24%),linear-gradient(180deg,#fbf6ee,#eadcc7)}*{box-sizing:border-box}body{margin:0;color:#1f2937}button,input,textarea,select{font:inherit}input,textarea{width:100%;border:1px solid rgba(148,163,184,.45);border-radius:14px;padding:10px 12px;background:#ffffffeb;color:#0f172a}textarea{resize:vertical}.app-shell{min-height:100vh;display:grid;grid-template-columns:360px 1fr;gap:24px;padding:24px;align-items:start}.sidebar,.canvas-panel{border-radius:28px;background:#fffcf7cc;box-shadow:0 26px 70px #47556924;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.sidebar{display:flex;flex-direction:column;gap:18px;padding:28px}.canvas-panel{padding:20px;border:1px solid rgba(255,255,255,.55)}.canvas-workspace{position:relative;padding:16px;border-radius:28px;background:linear-gradient(180deg,#fffbf5f5,#f4ecdff5);border:1px solid rgba(191,219,254,.45);box-shadow:inset 0 1px #fffc,0 18px 38px #94a3b829}.eyebrow,.panel-label{margin:0;text-transform:uppercase;letter-spacing:.12em;font-size:.76rem;color:#92400e}h1,h2,.lede,.panel-copy,.canvas-hint{margin:0}h1{margin-top:6px;font-size:2.4rem}.lede{margin-top:12px;line-height:1.55;color:#334155}.panel{padding:18px;border-radius:22px;background:#fffbf6f5;border:1px solid rgba(194,165,138,.18);box-shadow:inset 0 1px #ffffffb3}.panel-header,.canvas-header{display:flex;justify-content:space-between;gap:16px;align-items:center}.panel-copy{margin-top:10px;line-height:1.5;color:#475569}.editor-stack{display:flex;flex-direction:column;gap:12px;margin-top:14px}.field{display:flex;flex-direction:column;gap:6px;color:#334155}.field span{font-size:.9rem;font-weight:600}.card-quick-panel{display:flex;flex-direction:column;gap:12px;padding:14px;border-radius:18px;background:linear-gradient(180deg,#fff8eee0,#fff1dcd1);border:1px solid rgba(251,146,60,.18);box-shadow:inset 0 1px #ffffffa8}.back-button{border:none;border-radius:999px;padding:10px 18px;background:linear-gradient(135deg,#1f2937,#0f766e);color:#fff;cursor:pointer;box-shadow:0 10px 24px #0f172a29}.back-button:disabled{cursor:not-allowed;opacity:.45}.secondary-button{border:1px solid rgba(148,163,184,.34);border-radius:999px;padding:10px 18px;background:#fffffff0;color:#0f172a;cursor:pointer}.secondary-button:disabled{cursor:not-allowed;opacity:.45}.create-menu{position:relative}.create-menu-trigger{display:inline-flex;align-items:center;gap:8px}.menu-caret{font-size:.85rem;color:#92400e}.create-menu-popover{position:absolute;top:calc(100% + 10px);right:0;min-width:180px;padding:8px;border-radius:18px;background:#fffcf7fa;border:1px solid rgba(194,165,138,.22);box-shadow:0 18px 34px #0f172a1f;z-index:5}.create-menu-item{width:100%;border:0;border-radius:12px;padding:11px 12px;text-align:left;background:transparent;color:#1f2937;cursor:pointer}.create-menu-item:hover{background:#fed7aa5c}.canvas-context-menu{position:fixed;min-width:180px;padding:8px;border-radius:16px;background:#fffcf7fa;border:1px solid rgba(194,165,138,.24);box-shadow:0 18px 34px #0f172a29;z-index:30}.canvas-context-menu-item{width:100%;border:0;border-radius:12px;padding:11px 12px;text-align:left;background:transparent;color:#1f2937;cursor:pointer}.canvas-context-menu-item:hover{background:#fed7aa47}.canvas-context-menu-item.destructive{color:#b91c1c}.action-row{display:flex;gap:10px;flex-wrap:wrap}.top-gap{margin-top:14px}.history-list{margin:10px 0 0;padding-left:20px;line-height:1.8}.role-pill{display:inline-flex;align-items:center;border-radius:999px;padding:8px 12px;font-size:.85rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em}.role-owner{background:#d9770629;color:#92400e}.role-editor{background:#2563eb24;color:#1d4ed8}.role-viewer{background:#64748b24;color:#475569}.status-note{margin:0;color:#475569;line-height:1.5}.canvas-header{padding:8px 4px 16px}.canvas-header-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap}.canvas-meta-bar{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 14px}.canvas-meta-chip{display:inline-flex;align-items:center;min-height:34px;padding:8px 14px;border-radius:999px;background:#ffffffd6;border:1px solid rgba(148,163,184,.28);color:#475569;font-size:.9rem;font-weight:600}.canvas-hint{max-width:360px;line-height:1.5;color:#475569}.stage-frame{position:relative;overflow:auto;border-radius:24px;padding:14px;background:linear-gradient(180deg,#f7f1e7fa,#e8ddcaf5);border:1px solid rgba(180,159,132,.36);box-shadow:inset 0 0 0 1px #ffffff80,inset 0 18px 30px #fff3,0 12px 30px #78716c1f}.stage-frame-drag-active{border-color:#d97706e6;box-shadow:inset 0 0 0 2px #d977062e}.stage-drop-overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:#0f172a14;pointer-events:none}.stage-drop-chip{padding:14px 20px;border-radius:999px;background:#0f172ae0;color:#fff;font-weight:600;letter-spacing:.02em}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.drawer-shell{position:fixed;inset:0;display:flex;justify-content:flex-end;background:#0f172a42;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);z-index:20}.card-drawer{width:min(50vw,760px);min-width:420px;height:100vh;padding:28px;overflow:auto;background:linear-gradient(180deg,#fffcf7fa,#f9f0e3fa);box-shadow:-20px 0 48px #0f172a2e;border-left:1px solid rgba(194,165,138,.32)}.card-drawer-header{display:flex;justify-content:space-between;align-items:flex-start;gap:16px}.drawer-image-preview{margin-top:18px;padding:12px;border-radius:24px;background:#ffffffc7;border:1px solid rgba(148,163,184,.2);box-shadow:inset 0 1px #fffc,0 16px 32px #94a3b824}.drawer-image-preview img{display:block;width:100%;max-height:340px;object-fit:contain;border-radius:16px;background:linear-gradient(180deg,#f8fafc,#e2e8f0)}.drawer-grid{display:grid;gap:14px;margin-top:18px}@media(max-width:1200px){.app-shell{grid-template-columns:1fr}.canvas-header,.canvas-header-actions{flex-direction:column;align-items:flex-start}.card-drawer{width:100vw;min-width:0}}