:root{--accent: #111827;--accent-hover: #000000;--danger: #dc2626;--danger-hover: #b91c1c;--bg: #f7f8fa;--card: #ffffff;--border: #e5e7eb;--text: #1f2937;--muted: #6b7280;--mono: "SF Mono", SFMono-Regular, Menlo, Consolas, monospace}*{box-sizing:border-box}html,body{margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;font-size:14px;line-height:1.5}#app{min-height:100vh}.app-shell{display:flex;flex-direction:column;min-height:100vh}.topbar{display:flex;align-items:center;gap:12px;padding:0 24px;height:56px;background:var(--card);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10}.brand{display:inline-flex;align-items:center;gap:8px;font-size:18px;font-weight:700;color:var(--accent);text-decoration:none}.topbar-partner{margin-left:auto;color:var(--muted);font-size:13px;font-weight:600;letter-spacing:.02em}.mock-badge{font-size:12px;color:#92400e;background:#fef3c7;border:1px solid #fde68a;border-radius:999px;padding:2px 10px}.main-content{flex:1;width:100%;max-width:1080px;margin:0 auto;padding:24px;box-sizing:border-box}.main-content.wide{max-width:none;padding:12px 24px 20px;display:flex;flex-direction:column;box-sizing:border-box}.card{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:20px}.card+.card{margin-top:16px}h1{font-size:20px;margin:0 0 4px}h2{font-size:16px;margin:0 0 12px}.hint{color:var(--muted);font-size:13px}.mono{font-family:var(--mono);font-size:12px}.empty-state{text-align:center;color:var(--muted);padding:48px 0}.empty-state svg{display:block;margin:0 auto 16px}.denied-page{text-align:center;padding-top:15vh}.denied-code{font-size:72px;font-weight:700;color:var(--text);line-height:1}.denied-text{color:var(--muted);margin-top:12px}.error-banner{background:#fef2f2;border:1px solid #fecaca;color:var(--danger);border-radius:8px;padding:10px 14px;margin-bottom:16px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid var(--border);border-radius:8px;background:var(--card);color:var(--text);font-size:14px;padding:8px 14px;cursor:pointer;transition:background .15s,border-color .15s}.btn:hover:not(:disabled){background:#f3f4f6}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn-primary:hover:not(:disabled){background:var(--accent-hover)}.btn-sm{padding:5px 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td{border-bottom:none}.toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%);background:#111827;color:#fff;border-radius:8px;padding:10px 18px;font-size:13px;box-shadow:0 4px 12px #00000040;z-index:100}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#11182773;display:flex;align-items:center;justify-content:center;z-index:50}.modal{background:var(--card);border-radius:12px;width:420px;max-width:calc(100vw - 48px);padding:20px;box-shadow:0 12px 32px #0003}.modal h2{margin-bottom:8px}.modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:16px}.upload-queue{position:fixed;right:24px;bottom:24px;width:320px;background:var(--card);border:1px solid var(--border);border-radius:10px;box-shadow:0 8px 24px #0000001f;z-index:40;overflow:hidden}.upload-queue-header{padding:10px 14px;font-weight:600;font-size:13px;border-bottom:1px solid var(--border);background:#f9fafb}.upload-queue-item{padding:10px 14px;border-bottom:1px solid 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