:root{--bg: linear-gradient(180deg, #f8fafc 0%, #ecfdf5 100%);--surface: #ffffff;--surface-soft: #f8fafc;--border: #e2e8f0;--text: #1e293b;--muted: #64748b;--primary: #10b981;--primary-2: #22d3ee;--primary-dark: #047857;--primary-soft: #d1fae5;--ok: #059669;--ok-bg: #ecfdf5;--bad: #dc2626;--bad-bg: #fef2f2;--warn: #b45309;--warn-bg: #fffbeb;--radius: 16px;--shadow: 0 4px 18px rgba(15, 23, 42, .08)}*{box-sizing:border-box}html,body,#app{min-height:100%}body{margin:0;background:#e6efe9;color:var(--text);font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent}button,input,select,textarea{font-family:inherit}.app{display:flex;flex-direction:column;width:100%;max-width:520px;min-height:100dvh;margin:0 auto;background:var(--bg);box-shadow:0 0 44px #0f172a0f}.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:10px;padding:calc(14px + env(safe-area-inset-top)) 16px 10px;background:#f8fafceb;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.topbar-main{flex:1;min-width:0}.topbar h1{margin:0;font-size:21px;font-weight:800;letter-spacing:.3px}.topbar p{margin:3px 0 0;font-size:12px;color:var(--muted)}.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;flex:0 0 38px;border:1px solid var(--border);border-radius:12px;background:var(--surface);color:#334155;font-size:13px;font-weight:700;box-shadow:var(--shadow);cursor:pointer}.stepbar{display:grid;grid-template-columns:repeat(4,1fr);gap:4px;margin:0 16px 10px;padding:4px;border:1px solid var(--border);border-radius:12px;background:#ffffffe6;box-shadow:var(--shadow)}.step-item{display:flex;align-items:center;justify-content:center;gap:4px;padding:8px 2px;border-radius:9px;color:var(--muted);font-size:12px;font-weight:600;cursor:pointer;white-space:nowrap;transition:all .18s ease}.step-item.active{background:linear-gradient(120deg,var(--primary),var(--primary-2));color:#fff;box-shadow:0 3px 10px #10b9814d}.step-item.done{color:var(--ok)}.main{flex:1;padding:0 16px calc(24px + env(safe-area-inset-bottom))}.panel{display:flex;flex-direction:column;gap:12px}.panel-head h2{margin:0;font-size:17px;font-weight:800}.panel-head p{margin:4px 0 0;color:var(--muted);font-size:12px;line-height:1.5}.card{padding:14px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow)}.muted{color:var(--muted);font-size:12px;line-height:1.5}.badge{display:inline-block;padding:2px 8px;border-radius:999px;background:var(--primary-soft);color:var(--primary-dark);font-size:11px;font-weight:700}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:11px 16px;border:1px solid var(--border);border-radius:12px;background:var(--surface);color:var(--text);font-size:14px;font-weight:600;cursor:pointer;transition:transform .08s ease,opacity .2s ease}.btn:active{transform:scale(.985)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn.primary{border-color:transparent;background:linear-gradient(120deg,var(--primary),var(--primary-2));color:#fff}.btn.ghost{background:transparent}.btn.block{width:100%}.btn.small{padding:7px 12px;border-radius:10px;font-size:12px}.error{margin:8px 0 0;color:var(--bad);font-size:13px}.fatal{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100dvh;padding:32px 24px;text-align:center}.fatal-code{font-size:64px;font-weight:800;line-height:1;color:var(--primary)}.fatal h1{margin:12px 0 6px;font-size:22px}.fatal p{margin:0;color:var(--muted);font-size:13px}.fatal code{margin-top:10px;padding:8px 14px;border:1px solid var(--border);border-radius:10px;background:#fff;color:var(--primary-dark);font-size:13px}.photo-frame{position:relative;overflow:hidden;width:100%;aspect-ratio:4 / 3;border:1px solid var(--border);border-radius:18px;background:#eef2f0;box-shadow:var(--shadow)}.photo-frame img{width:100%;height:100%;object-fit:cover}.photo-tag{position:absolute;left:10px;bottom:10px;padding:5px 12px;border-radius:999px;background:#0f172a9e;color:#fff;font-size:12px;font-weight:600;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.upload-tip{position:absolute;right:10px;top:10px;padding:4px 10px;border-radius:999px;background:#ffffffe0;color:var(--primary-dark);font-size:11px;font-weight:700}.sample-row{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px;scrollbar-width:none}.sample-row::-webkit-scrollbar{display:none}.sample-chip{flex:0 0 auto;width:92px;padding:5px;border:1px solid var(--border);border-radius:12px;background:var(--surface);cursor:pointer;text-align:center}.sample-chip.active{border-color:var(--primary);box-shadow:0 0 0 2px #10b9812e}.sample-chip img{width:100%;aspect-ratio:4 / 3;object-fit:cover;border-radius:8px;display:block}.sample-chip span{display:block;margin-top:4px;font-size:10px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.step1-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px}.sr-file{position:absolute;width:1px;height:1px;opacity:0;overflow:hidden;pointer-events:none}.feat-row{padding:10px 0;border-bottom:1px dashed var(--border)}.feat-row:last-child{border-bottom:none}.feat-label{margin-bottom:8px;font-size:13px;font-weight:700}.layer-tag{display:inline-block;padding:3px 10px;border-radius:999px;background:var(--primary-soft);color:var(--primary-dark);font-size:11px;font-weight:700}.feat-opts{display:flex;flex-wrap:wrap;gap:7px}.opt{padding:8px 12px;border:1px solid var(--border);border-radius:10px;background:var(--surface-soft);color:#334155;font-size:12px;line-height:1.35;text-align:left;cursor:pointer}.opt.sel{border-color:var(--primary);background:var(--primary-soft);color:var(--primary-dark);font-weight:600}.opt.unknown{color:var(--muted);border-style:dashed}.extra-toggle{width:100%;padding:11px 14px;border:1px dashed var(--border);border-radius:12px;background:var(--surface-soft);color:#475569;font-size:12px;font-weight:600;text-align:left;cursor:pointer}.extra-body{margin-top:8px;padding:0 12px;border:1px solid var(--border);border-radius:12px;background:var(--surface)}.footer-bar{position:sticky;bottom:0;display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:4px;padding:10px 0 calc(10px + env(safe-area-inset-bottom));background:#f0fdf4f0;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.footer-bar .summary{flex:1;color:var(--muted);font-size:11px;line-height:1.45}.cand-grid{display:flex;flex-direction:column;gap:10px}.cand-card{display:flex;gap:12px;padding:10px;border:1.5px solid var(--border);border-radius:14px;background:var(--surface);box-shadow:var(--shadow);cursor:pointer}.cand-card.selected{border-color:var(--primary);box-shadow:0 0 0 2px #10b9812e}.cand-thumb{width:78px;height:78px;flex:0 0 78px;overflow:hidden;border-radius:10px;background:var(--primary-soft)}.cand-thumb img{width:100%;height:100%;object-fit:cover}.cand-body{flex:1;min-width:0}.cand-name{display:flex;align-items:center;gap:6px;font-size:15px;font-weight:800}.cand-meta{margin-top:2px;color:var(--muted);font-size:11px}.cand-desc{margin:5px 0 0;color:#475569;font-size:11px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.cand-notin{border-style:dashed;background:var(--warn-bg)}.empty-notice{padding:16px;border:1.5px dashed var(--warn);border-radius:14px;background:var(--warn-bg);color:var(--warn);font-size:12px;line-height:1.55}.verdict-banner{padding:16px;border-radius:16px;text-align:center;color:#fff;background:linear-gradient(120deg,#10b981,#22d3ee);box-shadow:var(--shadow)}.verdict-banner.wrong{background:linear-gradient(120deg,#f59e0b,#ef4444)}.verdict-banner h2{margin:0;font-size:19px;font-weight:800}.verdict-banner p{margin:6px 0 0;font-size:12px;opacity:.92}.species-name{margin:0;font-size:22px;font-weight:800;color:var(--primary-dark)}.species-taxon{margin:3px 0 0;color:var(--muted);font-size:12px}.comment-box{margin-top:10px;padding:12px;border-radius:12px;background:var(--ok-bg);color:#065f46;font-size:12px;line-height:1.6}.comment-box.bad{background:var(--bad-bg);color:#991b1b}.feature-box{margin-top:10px;color:#475569;font-size:12px;line-height:1.6}.notin-box{margin-top:10px;padding:12px;border:1px dashed var(--warn);border-radius:12px;background:var(--warn-bg);color:var(--warn);font-size:12px;line-height:1.55}.loading-box{padding:34px 16px;text-align:center;color:var(--muted);font-size:13px}.loading-dot{display:inline-block;width:26px;height:26px;margin-bottom:10px;border:3px solid var(--primary-soft);border-top-color:var(--primary);border-radius:50%;animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.modal-mask{position:fixed;top:0;right:0;bottom:0;left:0;z-index:100;display:flex;align-items:flex-end;justify-content:center;background:#0f172a73}.modal-card{width:100%;max-width:520px;max-height:88vh;padding:18px 18px calc(18px + env(safe-area-inset-bottom));overflow:auto;border-radius:20px 20px 0 0;background:#fff}.modal-head{display:flex;align-items:center;justify-content:space-between;gap:10px}.modal-head h3{margin:0;font-size:17px;font-weight:800}.modal-close{width:32px;height:32px;border:none;border-radius:50%;background:#f1f5f3;color:#475569;font-size:18px;line-height:1;cursor:pointer}.field{display:block;margin-top:16px}.field span{display:block;margin-bottom:6px;color:var(--muted);font-size:12px}.field input{width:100%;padding:11px 12px;border:1px solid var(--border);border-radius:12px;background:#f8fafc;color:var(--text);font-size:15px;outline:none}.field input:focus{border-color:var(--primary);box-shadow:0 0 0 3px #10b9811f}.modal-actions{display:flex;gap:10px;margin-top:18px}.modal-actions .btn{flex:1}.settings-row{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:14px;padding-top:14px;border-top:1px solid var(--border);font-size:13px}.settings-row a{color:var(--primary-dark);font-weight:700;text-decoration:none}.toast{position:fixed;left:50%;bottom:90px;z-index:200;transform:translate(-50%) translateY(8px);padding:9px 16px;border-radius:999px;background:#0f172adb;color:#fff;font-size:12px;opacity:0;pointer-events:none;transition:all .2s ease;white-space:nowrap}.toast.show{opacity:1;transform:translate(-50%) translateY(0)}@media (min-width: 560px){.app{min-height:100vh}}