:root{--bg-start: #eef4f8;--bg-end: #d5e4ef;--surface: #ffffff;--surface-soft: #f4f9fd;--ink: #102331;--ink-muted: #4e667a;--accent: #0f7a43;--accent-strong: #0a5b31;--line: #d6e3ee;--danger-bg: #fceef0;--danger-line: #f5ccd2;--danger-ink: #a01f2f;font-family:Avenir Next,SF Pro Display,PingFang SC,Segoe UI,sans-serif}*{box-sizing:border-box}body{margin:0;min-height:100vh;color:var(--ink);background:radial-gradient(circle at 10% -10%,#ffffffa3 0 32%,transparent 33%),radial-gradient(circle at 100% 0%,#b4d8eb66 0 22%,transparent 23%),linear-gradient(145deg,var(--bg-start),var(--bg-end))}button,input{font:inherit}.auth-shell{min-height:100vh;display:grid;place-items:center;padding:20px}.auth-card{width:min(460px,100%);border-radius:22px;background:linear-gradient(180deg,#fff,#f8fbfe);border:1px solid #dbe7f1;padding:28px 24px;box-shadow:0 18px 48px #06264224}.brand-logo{display:block;width:min(300px,100%);height:auto;margin:0 0 12px}.brand-tag{margin:0 0 12px;font-size:.75rem;letter-spacing:.12em;font-weight:700;color:#1b7fcb}.auth-title{margin:0 0 10px;font-size:1.6rem;line-height:1.18}.auth-subtitle{margin:0 0 18px;font-size:.95rem;line-height:1.55;color:var(--ink-muted)}.google-btn{width:100%;border:1px solid #d5e4ef;border-radius:14px;background:#fff;color:#12324a;font-size:1rem;font-weight:700;padding:12px 14px;display:flex;align-items:center;justify-content:center;gap:10px;transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease}.google-btn:hover:not(:disabled){border-color:#88bad9;box-shadow:0 8px 20px #23608c24;transform:translateY(-1px)}.google-btn:disabled{opacity:.72;cursor:not-allowed}.google-icon-wrap{width:24px;height:24px;display:inline-flex;align-items:center;justify-content:center}.google-icon-wrap svg{width:20px;height:20px}.auth-note{margin:14px 0 0;border:1px solid #d8e8f4;border-radius:12px;background:#f2f8fd;padding:11px 12px;color:#35536a;font-size:.86rem;line-height:1.45}.page{padding:16px;max-width:960px;margin:0 auto}.session-banner{margin-bottom:14px;border-radius:16px;border:1px solid #d8e7f2;padding:12px 14px;background:linear-gradient(130deg,#ffffffd9,#f0f8ff);display:flex;align-items:center;justify-content:space-between;gap:12px}.session-label{margin:0;font-size:.75rem;font-weight:700;letter-spacing:.07em;text-transform:uppercase;color:#3f78a0}.session-email{margin:4px 0 0;font-size:.92rem;font-weight:600}.secondary-btn{border:1px solid #bdd4e5;border-radius:11px;padding:8px 13px;background:#f5fbff;color:#22465f;font-size:.86rem;font-weight:700}.card{background:var(--surface);border-radius:16px;padding:16px;margin-bottom:14px;border:1px solid #dde9f2;box-shadow:0 8px 24px #0e283e17}h1,h2,h3{margin:0 0 10px}h1{font-size:1.25rem}h2{font-size:1.1rem}h3{margin-top:16px;font-size:.98rem}.desc{margin:0 0 14px;color:var(--ink-muted);font-size:.95rem;line-height:1.45}.file-btn{display:inline-flex;align-items:center;justify-content:center;border-radius:12px;background:#e7f2fa;color:#0d3a66;border:1px solid #cbe4f6;font-weight:600;padding:11px 14px;width:100%;margin-bottom:0}.file-btn input{display:none}.file-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:10px}.file-btn.secondary{background:#f2f5f8;color:#26405a;border:1px solid #d9e2eb}.primary-btn{width:100%;border:0;border-radius:12px;padding:12px;font-size:1rem;font-weight:700;color:#fff;background:linear-gradient(120deg,var(--accent),var(--accent-strong))}.primary-btn:disabled{opacity:.6}.progress-wrap{margin-top:12px}.progress-title{font-size:.9rem;color:var(--ink-muted);margin-bottom:7px}.progress-bar{width:100%;height:8px;border-radius:999px;background:#ecf1f7;overflow:hidden}.progress-bar span{display:block;height:100%;background:linear-gradient(90deg,#1a7fde,#00a1d6)}.progress-text{margin-top:5px;font-size:.86rem;color:#51677b}.error{margin-top:12px;color:var(--danger-ink);background:var(--danger-bg);border:1px solid var(--danger-line);border-radius:10px;padding:10px}.image-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:10px}figure{margin:0;background:var(--surface-soft);border-radius:12px;padding:10px}figcaption{margin-bottom:8px;font-size:.86rem;color:var(--ink-muted)}img{width:100%;display:block;border-radius:10px;border:1px solid #e2e8ef}.kv-grid{display:grid;grid-template-columns:1fr;gap:7px}.kv-row{display:grid;grid-template-columns:120px 1fr;padding:8px 10px;border-radius:10px;background:var(--surface-soft)}.k{color:var(--ink-muted);font-size:.86rem}.v{font-weight:600;color:var(--ink);word-break:break-all}pre{background:#0e1620;color:#d5e1ef;border-radius:10px;padding:11px;overflow-x:auto;white-space:pre-wrap;word-break:break-word;font-size:.8rem;line-height:1.45}@media (min-width: 768px){.page{padding:24px}}@media (max-width: 600px){.session-banner{flex-direction:column;align-items:flex-start}.secondary-btn{width:100%}}@media (max-width: 420px){.file-actions{grid-template-columns:1fr}}