:root{--bg: #f8f9fa;--bg-elevated: #ffffff;--border: #e2e5e9;--text: #1a1d21;--text-muted: #5c6570;--accent: #3d5a80;--accent-hover: #2c4360;--danger: #c0392b;--success: #27ae60;--warning: #d68910;--narrator: #6b4c9a;--narrator-bg: #f3eef8;--radius: 6px;--shadow: 0 1px 3px rgba(0, 0, 0, .06);--font: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--mono: ui-monospace, "Cascadia Code", monospace;--sidebar-width: 220px;--playtest-width: 360px}*,*:before,*:after{box-sizing:border-box}html,body{margin:0;padding:0;font-family:var(--font);font-size:14px;line-height:1.5;color:var(--text);background:var(--bg)}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}button,input,select,textarea{font:inherit}button{cursor:pointer}.btn{display:inline-flex;align-items:center;gap:.35rem;padding:.4rem .75rem;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-elevated);color:var(--text)}.btn:hover{background:var(--bg)}.btn-primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover)}.btn-danger{color:var(--danger);border-color:var(--danger)}.btn-sm{padding:.25rem .5rem;font-size:.85rem}.card{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius);padding:1rem;box-shadow:var(--shadow)}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.25rem;gap:1rem}.page-header h1{margin:0;font-size:1.35rem;font-weight:600}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:1rem}@media(max-width:768px){.grid-2{grid-template-columns:1fr}}.badge{display:inline-block;padding:.15rem .45rem;border-radius:999px;font-size:.75rem;font-weight:500;background:var(--bg);border:1px solid var(--border)}.badge-error{color:var(--danger);border-color:var(--danger)}.badge-success{color:var(--success);border-color:var(--success)}.alert{padding:.75rem 1rem;border-radius:var(--radius);border:1px solid var(--border);margin-bottom:1rem}.alert-warning{background:#fef9e7;border-color:var(--warning);color:#7d6608}.alert-error{background:#fdedec;border-color:var(--danger);color:var(--danger)}.alert-info{background:#ebf5fb;border-color:var(--accent)}.empty-state{text-align:center;padding:2rem;color:var(--text-muted)}.form-row{display:flex;gap:.5rem;align-items:flex-end;flex-wrap:wrap}.layout-with-playtest{display:flex;gap:0;min-height:calc(100vh + -0px)}.layout-main{flex:1;min-width:0;padding:1.25rem 1.5rem}.playtest-panel{width:var(--playtest-width);border-left:1px solid var(--border);background:var(--bg-elevated);display:flex;flex-direction:column;max-height:100vh;position:sticky;top:0}.playtest-panel-header{padding:.75rem 1rem;border-bottom:1px solid var(--border);font-weight:600}.playtest-panel-body{flex:1;overflow:auto;padding:.75rem}.playtest-panel-controls{padding:.75rem 1rem;border-top:1px solid var(--border);display:flex;flex-direction:column;gap:.5rem}.tag{font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.03em;padding:.1rem .35rem;border-radius:3px;background:var(--bg)}.tag-ambient{color:#7f8c8d}.tag-combat{color:#c0392b}.tag-choice{color:#2980b9}.tag-loot{color:#27ae60}.tag-narrator{color:var(--narrator);background:var(--narrator-bg)}.narrator-line{font-style:italic;color:var(--narrator);background:var(--narrator-bg);padding:.5rem .75rem;border-radius:var(--radius);border-left:3px solid var(--narrator)}.block-builder{display:flex;flex-direction:column;gap:.5rem}.block-item{display:flex;gap:.5rem;align-items:flex-start;padding:.5rem;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);flex-wrap:wrap}.block-item select,.block-item input{padding:.3rem .5rem;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-elevated)}.block-nested{width:100%;padding-left:.75rem;border-left:2px solid var(--border);margin-top:.25rem}