:root{--color-bg: #0b0f1a;--color-surface: #151d2e;--color-surface-raised: #1b2740;--color-input-bg: #0f172a;--color-border: #1e293b;--color-border-strong: #334155;--color-primary: #3b82f6;--color-primary-hover: #60a5fa;--color-primary-active: #2563eb;--color-primary-subtle: rgba(59, 130, 246, .14);--color-primary-ring: rgba(59, 130, 246, .38);--color-on-primary: #ffffff;--color-accent-purple: #8b5cf6;--color-accent-cyan: #06b6d4;--gradient-primary: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 50%, #06b6d4 100%);--gradient-primary-hover: linear-gradient(135deg, #2563eb 0%, #7c3aed 50%, #0891b2 100%);--gradient-text: linear-gradient(135deg, #60a5fa 0%, #a78bfa 50%, #22d3ee 100%);--shadow-glow: 0 0 24px rgba(59, 130, 246, .28), 0 0 48px rgba(139, 92, 246, .12);--color-negative: #f87171;--color-negative-subtle: rgba(239, 68, 68, .12);--color-negative-border: rgba(239, 68, 68, .35);--color-positive: #34d399;--color-positive-subtle: rgba(16, 185, 129, .12);--color-warning: #fbbf24;--color-warning-subtle: rgba(245, 158, 11, .14);--color-text: #f1f5f9;--color-text-secondary: #94a3b8;--color-text-muted: #64748b;--guide-500: #4f46e5;--guide-600: #4338ca;--guide-700: #7c3aed;--guide-on: #ffffff;--guide-subtle: rgba(79, 70, 229, .16);--guide-ring: rgba(79, 70, 229, .4);--gradient-guide: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);--shadow-guide-glow: 0 0 20px rgba(79, 70, 229, .35);--hero-card-border: 1.5px solid rgba(79, 70, 229, .65);--hero-card-shadow: 0 8px 32px rgba(0, 0, 0, .45), 0 0 24px rgba(79, 70, 229, .14);--hero-small-bg: rgba(255, 255, 255, .02);--hero-small-border: 1px dashed #334155;--hero-small-text: #94a3b8;--radius-hero: 12px;--radius-hero-small: 8px;--font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;--font-size-xs: 12px;--font-size-sm: 13px;--font-size-base: 14px;--font-size-md: 16px;--font-size-lg: 20px;--font-size-xl: 28px;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 24px;--space-6: 32px;--space-7: 48px;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .35);--shadow-md: 0 6px 20px rgba(0, 0, 0, .4)}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%}body{font-family:var(--font-family);font-size:var(--font-size-base);color:var(--color-text);background:radial-gradient(1100px 560px at 12% -8%,rgba(59,130,246,.08),transparent 60%),radial-gradient(900px 520px at 108% 6%,rgba(139,92,246,.06),transparent 55%),radial-gradient(700px 420px at 55% 115%,rgba(6,182,212,.04),transparent 60%),var(--color-bg);background-attachment:fixed;line-height:1.6;-webkit-font-smoothing:antialiased}a{color:var(--color-primary);text-decoration:none;transition:color .15s ease}a:hover{color:var(--color-primary-hover)}::selection{background:#3b82f64d;color:#fff}button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,a:focus-visible{outline:2px solid var(--color-primary-ring);outline-offset:1px}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#2a3852;border-radius:6px;border:2px solid var(--color-bg)}::-webkit-scrollbar-thumb:hover{background:#3b4c6b}button{font-family:inherit;cursor:pointer}input,textarea{font-family:inherit}.btn{display:inline-flex;align-items:center;gap:var(--space-2);padding:8px 16px;border-radius:var(--radius-md);border:1px solid var(--color-border);background:var(--color-surface);color:var(--color-text);font-size:var(--font-size-base);transition:all .2s ease}.btn:hover{background:var(--color-primary-subtle);border-color:var(--color-primary);color:var(--color-text)}.btn:active{transform:scale(.97)}.btn-primary{background:var(--gradient-primary);border-color:transparent;color:var(--color-on-primary);box-shadow:0 4px 16px #3b82f647}.btn-primary:hover{background:var(--gradient-primary-hover);border-color:transparent;color:var(--color-on-primary);box-shadow:var(--shadow-glow)}.btn-primary:active{background:var(--gradient-primary-hover);box-shadow:none}.btn-ghost{border-color:transparent;background:transparent;color:var(--color-text-secondary)}.btn-ghost:hover{background:#94a3b81a;border-color:transparent;color:var(--color-text)}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}.field{display:flex;flex-direction:column;gap:var(--space-1);margin-bottom:var(--space-4)}.field label{font-size:var(--font-size-sm);color:var(--color-text-secondary)}.input{padding:9px 12px;border-radius:var(--radius-md);border:1px solid var(--color-border);font-size:var(--font-size-base);background:var(--color-input-bg);color:var(--color-text);outline:none;transition:border-color .15s ease,box-shadow .15s ease}.input::placeholder{color:var(--color-text-muted)}.input:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-ring);background:var(--color-input-bg)}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);color:var(--color-text)}button.card,button.card *{color:inherit}.form-error{padding:var(--space-3);border-radius:var(--radius-md);background:var(--color-negative-subtle);border:1px solid var(--color-negative-border);color:var(--color-negative);font-size:var(--font-size-sm);margin-bottom:var(--space-4)}.report-table{width:100%;border-collapse:collapse;margin:12px 0;font-size:13px}.report-table th,.report-table td{padding:8px 12px;text-align:left;border-bottom:1px solid var(--color-border);vertical-align:top}.report-table th{background:#94a3b812;color:var(--color-text-secondary);font-weight:600;font-size:11px;text-transform:uppercase;letter-spacing:.04em}.report-table td.num{text-align:right;font-variant-numeric:tabular-nums}.report-table tr:hover td{background:#94a3b80d}.report-box{background:#94a3b80d;border:1px solid var(--color-border);border-radius:6px;padding:12px 14px;margin:8px 0}.report-box.evidence-box{border-left:3px solid var(--color-primary)}.report-box.hypothesis-box{border-left:3px solid var(--color-positive)}.report-box.hypothesis-box.top{border-left-color:var(--color-primary);border-left-width:4px;background:var(--color-primary-subtle)}.report-box.action-box{border-left:3px solid var(--color-warning)}.report-box .meta-line{font-size:11px;color:var(--color-text-muted);margin-top:4px}.report-box .result-line{font-size:12px;color:var(--color-text-secondary);margin-top:4px}.ref-pill{display:inline-block;padding:0 6px;background:#94a3b824;color:var(--color-text-secondary);border:1px solid var(--color-border);border-radius:3px;font-size:11px;font-family:SF Mono,Consolas,monospace;margin:0 2px}.pill{display:inline-block;padding:2px 8px;border-radius:4px;font-size:11px;font-weight:600}.step-row{display:flex;gap:12px;padding:10px 0;border-bottom:1px solid var(--color-border)}.step-num{flex:0 0 32px;height:32px;background:var(--gradient-primary);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:13px;box-shadow:0 0 12px #3b82f64d}.step-content{flex:1}.step-title{font-weight:600;color:var(--color-text)}.note-warn{background:var(--color-warning-subtle);border-left:3px solid var(--color-warning);padding:10px 14px;font-size:12px;color:var(--color-text);border-radius:4px;margin:12px 0}.note-insufficient{background:var(--color-negative-subtle);border-left:3px solid var(--color-negative);padding:10px 14px;font-size:12px;color:var(--color-negative);border-radius:4px;margin:12px 0}@keyframes wb-spin{to{transform:rotate(360deg)}}.spin{animation:wb-spin 1s linear infinite}.auth-scope{--bg-primary: #0b0f1a;--bg-secondary: #111827;--bg-card: #151d2e;--bg-input: #0f172a;--border-color: #1e293b;--border-focus: #3b82f6;--text-primary: #f1f5f9;--text-secondary: #94a3b8;--text-muted: #64748b;--accent-blue: #3b82f6;--accent-purple: #8b5cf6;--accent-cyan: #06b6d4;--accent-green: #10b981;--accent-gradient: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 50%, #06b6d4 100%);--error-color: #ef4444;--error-bg: rgba(239, 68, 68, .1);--error-border: rgba(239, 68, 68, .3);--shadow-glow: 0 0 40px rgba(59, 130, 246, .15), 0 0 80px rgba(139, 92, 246, .08);--shadow-card: 0 8px 32px rgba(0, 0, 0, .4);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 24px;--auth-transition: all .3s cubic-bezier(.4, 0, .2, 1)}.auth-scope{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;position:relative;overflow:hidden;background:radial-gradient(ellipse at 20% 20%,rgba(59,130,246,.08) 0%,transparent 50%),radial-gradient(ellipse at 80% 80%,rgba(139,92,246,.06) 0%,transparent 50%),var(--bg-primary);color:var(--text-primary);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Noto Sans SC,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.auth-particle{position:fixed;border-radius:50%;background:var(--accent-blue);opacity:.06;pointer-events:none;animation:auth-float 20s infinite ease-in-out;z-index:0}.auth-particle:nth-child(1){width:300px;height:300px;top:-80px;left:-60px;background:var(--accent-blue);animation-delay:0s}.auth-particle:nth-child(2){width:400px;height:400px;bottom:-120px;right:-100px;background:var(--accent-purple);animation-delay:-7s}.auth-particle:nth-child(3){width:200px;height:200px;top:40%;left:70%;background:var(--accent-cyan);animation-delay:-14s}@keyframes auth-float{0%,to{transform:translate(0) scale(1)}25%{transform:translate(30px,-40px) scale(1.05)}50%{transform:translate(-20px,20px) scale(.95)}75%{transform:translate(40px,30px) scale(1.02)}}.auth-container{display:flex;width:100%;max-width:1040px;min-height:600px;background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-xl);box-shadow:var(--shadow-card),var(--shadow-glow);overflow:hidden;position:relative;z-index:1;animation:auth-container-enter .6s ease-out}@keyframes auth-container-enter{0%{opacity:0;transform:translateY(20px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}.auth-brand{flex:1.1;background:linear-gradient(160deg,#0f172a,#1a1f3a,#1e1a3a);padding:48px 40px;display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden}.auth-brand:before{content:"";position:absolute;top:-30%;right:-20%;width:400px;height:400px;background:radial-gradient(circle,rgba(59,130,246,.12) 0%,transparent 70%);border-radius:50%;pointer-events:none}.auth-brand:after{content:"";position:absolute;bottom:-20%;left:-10%;width:350px;height:350px;background:radial-gradient(circle,rgba(139,92,246,.1) 0%,transparent 70%);border-radius:50%;pointer-events:none}.auth-brand-header{position:relative;z-index:2;display:flex;align-items:center;gap:12px}.auth-logo{width:44px;height:44px;background:var(--accent-gradient);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:20px;color:#fff;box-shadow:0 4px 16px #3b82f64d;letter-spacing:-.5px;flex-shrink:0}.auth-brand-name{font-size:20px;font-weight:700;letter-spacing:-.3px;color:var(--text-primary)}.auth-brand-body{position:relative;z-index:2;margin-top:40px}.auth-tagline{font-size:32px;font-weight:700;line-height:1.3;letter-spacing:-.5px;color:var(--text-primary);margin-bottom:16px}.auth-tagline .auth-gradient-text{background:var(--accent-gradient);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.auth-desc{font-size:15px;line-height:1.7;color:var(--text-secondary);max-width:380px;margin-bottom:32px}.auth-features{display:flex;flex-direction:column;gap:16px}.auth-feature{display:flex;align-items:flex-start;gap:12px;font-size:14px;color:var(--text-secondary);line-height:1.5}.auth-feature strong{color:var(--text-primary);font-weight:600}.auth-feature-icon{width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0}.auth-feature-icon.blue{background:#3b82f626;color:var(--accent-blue)}.auth-feature-icon.purple{background:#8b5cf626;color:var(--accent-purple)}.auth-feature-icon.cyan{background:#06b6d426;color:var(--accent-cyan)}.auth-feature-icon.green{background:#10b98126;color:var(--accent-green)}.auth-brand-footer{position:relative;z-index:2;font-size:12px;color:var(--text-muted);letter-spacing:.3px;margin-top:32px}.auth-form{flex:1;padding:48px 40px;display:flex;flex-direction:column;justify-content:center;background:var(--bg-secondary);position:relative;z-index:2}.auth-form-header{margin-bottom:32px}.auth-form-title{font-size:26px;font-weight:700;letter-spacing:-.4px;color:var(--text-primary);margin-bottom:8px}.auth-form-subtitle{font-size:14px;color:var(--text-secondary)}.auth-form-body{display:flex;flex-direction:column;gap:18px}.auth-form-group{display:flex;flex-direction:column;gap:6px}.auth-form-label{font-size:13px;font-weight:500;color:var(--text-secondary);letter-spacing:.2px}.auth-input-wrap{position:relative;display:flex;align-items:center}.auth-input-icon{position:absolute;left:14px;width:18px;height:18px;color:var(--text-muted);pointer-events:none;transition:var(--auth-transition);display:flex}.auth-input{width:100%;padding:12px 14px 12px 42px;background:var(--bg-input);border:1px solid var(--border-color);border-radius:var(--radius-md);font-size:14px;color:var(--text-primary);outline:none;transition:var(--auth-transition);font-family:inherit;letter-spacing:.2px}.auth-input::placeholder{color:var(--text-muted)}.auth-input:focus{border-color:var(--border-focus);box-shadow:0 0 0 3px #3b82f626}.auth-input-wrap:focus-within .auth-input-icon{color:var(--accent-blue)}.auth-input-wrap:focus-within .auth-input{border-color:var(--border-focus);box-shadow:0 0 0 3px #3b82f626}.auth-input-error{font-size:12px;color:var(--error-color);min-height:0}.auth-input-error.visible{min-height:16px}.auth-code-row{display:flex;gap:10px}.auth-code-row .auth-input-wrap{flex:1}.auth-code-btn{flex-shrink:0;padding:0 14px;background:#3b82f61f;border:1px solid rgba(59,130,246,.35);border-radius:var(--radius-md);color:var(--accent-blue);font-size:13px;font-weight:500;cursor:pointer;transition:var(--auth-transition);white-space:nowrap}.auth-code-btn:hover:not(:disabled){background:#3b82f633}.auth-code-btn:disabled{opacity:.55;cursor:not-allowed}.auth-form-options{display:flex;align-items:center;justify-content:space-between;font-size:13px}.auth-checkbox{display:flex;align-items:center;gap:8px;color:var(--text-secondary);cursor:pointer;-webkit-user-select:none;user-select:none}.auth-checkbox input[type=checkbox]{width:16px;height:16px;border-radius:4px;accent-color:var(--accent-blue);cursor:pointer}.auth-link{color:var(--accent-blue);text-decoration:none;font-weight:500;transition:var(--auth-transition);background:none;border:none;padding:0;font-size:inherit;cursor:pointer}.auth-link:hover{color:var(--accent-cyan);text-decoration:underline}.auth-btn-primary{width:100%;padding:13px 20px;background:var(--accent-gradient);border:none;border-radius:var(--radius-md);font-size:15px;font-weight:600;color:#fff;cursor:pointer;transition:var(--auth-transition);font-family:inherit;letter-spacing:.3px;position:relative;overflow:hidden;box-shadow:0 4px 16px #3b82f64d;display:inline-flex;align-items:center;justify-content:center;gap:8px}.auth-btn-primary:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 8px 24px #3b82f666}.auth-btn-primary:active:not(:disabled){transform:translateY(0);box-shadow:0 2px 8px #3b82f64d}.auth-btn-primary:disabled{opacity:.6;cursor:not-allowed;transform:none;box-shadow:none}.auth-btn-primary .auth-btn-spinner{display:none;width:18px;height:18px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:auth-spin .7s linear infinite}.auth-btn-primary.loading .auth-btn-spinner{display:inline-block}.auth-btn-primary.loading .auth-btn-text{display:none}@keyframes auth-spin{to{transform:rotate(360deg)}}.auth-form-error{display:none;padding:10px 14px;background:var(--error-bg);border:1px solid var(--error-border);border-radius:var(--radius-sm);font-size:13px;color:var(--error-color);line-height:1.4}.auth-form-error.visible{display:block;animation:auth-error-shake .4s ease-out}@keyframes auth-error-shake{0%,to{transform:translate(0)}25%{transform:translate(-6px)}75%{transform:translate(6px)}}.auth-form-success{padding:10px 14px;background:#10b9811a;border:1px solid rgba(16,185,129,.3);border-radius:var(--radius-sm);font-size:13px;color:var(--accent-green);line-height:1.4}.auth-form-info{padding:10px 14px;background:#3b82f61a;border:1px solid rgba(59,130,246,.3);border-radius:var(--radius-sm);font-size:13px;color:var(--accent-blue);line-height:1.5}.auth-input.invalid{border-color:#ef444499}.auth-input.invalid:focus{box-shadow:0 0 0 3px #ef44441f}.auth-form-footnote{font-size:12px;color:var(--text-muted);text-align:center;line-height:1.6}.auth-form-footnote a{color:var(--accent-blue);text-decoration:none}.auth-form-footnote a:hover{color:var(--accent-cyan);text-decoration:underline}.auth-strength{display:flex;align-items:center;gap:8px}.auth-strength-bars{display:flex;gap:4px;flex:1;max-width:140px}.auth-strength-bar{height:4px;flex:1;border-radius:2px;background:var(--border-color);transition:background .2s ease}.auth-strength-bar.on.weak{background:var(--error-color)}.auth-strength-bar.on.mid{background:var(--accent-blue)}.auth-strength-bar.on.strong{background:var(--accent-green)}.auth-strength-text{font-size:12px;color:var(--text-muted)}.auth-static-email{display:flex;align-items:center;gap:8px;padding:12px 14px;background:var(--bg-input);border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-secondary);font-size:14px;word-break:break-all}@media (max-width: 768px){.auth-container{flex-direction:column;max-width:440px;min-height:auto;border-radius:var(--radius-lg)}.auth-brand{padding:28px 24px}.auth-tagline{font-size:24px}.auth-desc{font-size:13px;margin-bottom:20px}.auth-features{gap:10px}.auth-feature{font-size:12px}.auth-brand-footer{margin-top:20px}.auth-form{padding:28px 24px}.auth-form-title{font-size:22px}}@media (max-width: 420px){.auth-scope{padding:10px}.auth-brand,.auth-form{padding:20px 16px}.auth-tagline{font-size:20px}.auth-logo{width:36px;height:36px;font-size:16px}.auth-brand-name{font-size:17px}}