:root { --bg:#f6f7f9;--panel:#fff;--soft:#f0f3f6;--line:#d8dee6;--text:#14181f;--muted:#667085;--good:#17803d;--bad:#b42318;--accent:#1769aa;--shadow:0 18px 45px rgba(20,24,31,.08); font-family:Inter,ui-sans-serif,system-ui,sans-serif;color:var(--text);background:var(--bg) } *{box-sizing:border-box} body{margin:0;min-height:100vh}.shell{width:min(1480px,calc(100vw - 32px));margin:auto;padding:24px 0 36px}.topbar,.form-header,.block-title,.result-actions{display:flex;align-items:center;justify-content:space-between;gap:12px}.topbar{margin-bottom:18px}.eyebrow,.label{margin:0 0 4px;color:var(--muted);font-size:12px;font-weight:700;text-transform:uppercase}h1,h2{margin:0;line-height:1.1}h1{font-size:clamp(28px,4vw,44px)}h2{font-size:18px}button,.secondary,input,select,textarea{font:inherit;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--text)}button,.secondary{min-height:40px;padding:0 14px;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center}.primary{border-color:var(--accent);background:var(--accent);color:#fff;font-weight:700;gap:8px}.mode-switch{display:grid;grid-template-columns:1fr 1fr;padding:4px;border:1px solid var(--line);border-radius:10px;background:var(--panel)}.mode-button{border:0;background:transparent;min-width:84px}.mode-button.active{background:var(--text);color:#fff}.status-grid{display:grid;grid-template-columns:repeat(4,minmax(180px,1fr));gap:12px;margin-bottom:14px}.status-panel,.composer,.panel-block{border:1px solid var(--line);border-radius:8px;background:var(--panel);box-shadow:var(--shadow)}.status-panel{min-height:92px;padding:16px;display:flex;align-items:center;gap:12px}.status-panel strong{display:block;font-size:22px}.status-dot{width:14px;height:14px;border-radius:999px;background:var(--muted)}.status-dot.good{background:var(--good)}.status-dot.bad{background:var(--bad)}.workspace{display:grid;grid-template-columns:minmax(0,1fr) minmax(320px,380px);gap:14px;align-items:start}.composer{padding:18px}.activity-panel{margin:16px 0;padding:14px;border:1px solid var(--line);border-radius:8px;background:#f9fbfd;display:grid;gap:10px}.activity-header{display:flex;justify-content:space-between}.activity-pill,.activity-steps li{border:1px solid var(--line);border-radius:999px;padding:6px 10px;background:#fff;color:var(--muted);font-size:12px;font-weight:700}.activity-bar{height:8px;overflow:hidden;border-radius:999px;background:var(--soft)}.activity-bar span{display:block;width:0;height:100%;background:var(--accent);transition:width .25s}.activity-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;list-style:none;margin:0;padding:0}.activity-steps li{text-align:center}.activity-steps .active{border-color:var(--accent);color:var(--accent)}.activity-steps .done{border-color:var(--good);color:var(--good)}.activity-detail{margin:0;color:var(--muted);font-size:13px}.drop-zone{display:grid;place-items:center;gap:8px;min-height:260px;border:2px dashed #aeb9c6;border-radius:8px;background:#f9fbfd;cursor:pointer;text-align:center;padding:24px}.drop-zone input{position:absolute;opacity:0;width:1px;height:1px}.drop-zone span{font-weight:700;font-size:18px}.drop-zone small{color:var(--muted)}.control-grid{display:grid;grid-template-columns:repeat(2,minmax(180px,1fr));gap:12px;margin-top:16px}.field{display:grid;gap:7px}.field span{color:var(--muted);font-size:13px;font-weight:700}input,select,textarea{width:100%;min-height:42px;padding:10px 12px}.toggle{display:inline-flex;gap:8px;align-items:center;margin-top:16px;color:var(--muted)}.toggle input{width:auto;min-height:auto}.side-panel{display:grid;gap:12px}.panel-block{padding:16px;display:grid;gap:12px}#resultText{min-height:250px;resize:vertical}.metadata{margin:0;display:grid;gap:8px}.metadata div{display:grid;grid-template-columns:92px 1fr;gap:10px}.metadata dt{color:var(--muted);font-size:13px}.metadata dd{margin:0;overflow-wrap:anywhere}.disabled{opacity:.5;pointer-events:none}pre{margin:0;padding:12px;border-radius:8px;background:#111827;color:#e5e7eb;max-height:180px;overflow:auto}.toast{position:fixed;right:18px;bottom:18px;max-width:420px;padding:12px 14px;border-radius:8px;background:var(--text);color:#fff;box-shadow:var(--shadow)}.button-spinner{width:16px;height:16px;border:2px solid rgba(255,255,255,.45);border-top-color:#fff;border-radius:50%;animation:spin .75s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:980px){.workspace{grid-template-columns:1fr}.status-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:720px){.shell{width:calc(100vw - 20px);padding:12px 0}.status-grid,.control-grid{grid-template-columns:1fr}.topbar,.form-header,.block-title,.result-actions{align-items:stretch;flex-direction:column}.mode-switch{width:100%}.activity-steps{grid-template-columns:1fr 1fr}}