:root{color-scheme:light;--bg-base:#f8fafc;--bg-surface:#fff;--bg-elevated:#f1f5f9;--bg-hover:#f1f5f9;--border:#e2e8f0;--border-strong:#cbd5e1;--border-accent:rgba(13,148,136,.25);--text-primary:#0f172a;--text-secondary:#475569;--text-muted:#94a3b8;--accent:#0d9488;--accent-light:#14b8a6;--accent-dim:rgba(13,148,136,.08);--accent-glow:rgba(13,148,136,.04);--danger:#dc2626;--danger-bg:rgba(220,38,38,.06);--warning:#d97706;--warning-bg:rgba(217,119,6,.08);--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:20px;--shadow-sm:0 1px 2px rgba(0,0,0,.04);--shadow-md:0 4px 16px rgba(0,0,0,.06);--shadow-lg:0 8px 32px rgba(0,0,0,.08)}*,:after,:before{box-sizing:border-box}body,html{padding:0;margin:0;min-height:100vh}body{font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:var(--text-primary);line-height:1.5;-webkit-font-smoothing:antialiased;background:linear-gradient(180deg,#f0fdfa,#f8fafc 180px,#f1f5f9);background-attachment:fixed}button,input{font-family:inherit}.app-wrapper{display:flex;flex-direction:column;min-height:100vh}.topbar{position:-webkit-sticky;position:sticky;top:0;z-index:50;border-bottom:1px solid var(--border);background:hsla(0,0%,100%,.82);-webkit-backdrop-filter:blur(16px) saturate(1.6);backdrop-filter:blur(16px) saturate(1.6)}.topbar-inner{max-width:960px;margin:0 auto;padding:0 24px;height:56px;justify-content:space-between}.logo,.topbar-inner{display:flex;align-items:center}.logo{gap:10px;text-decoration:none;color:var(--text-primary)}.logo-icon{font-size:22px;color:var(--accent);line-height:1}.logo-text{font-size:17px;font-weight:700;letter-spacing:-.02em}.topbar-right{display:flex;align-items:center;gap:12px}.badge{font-size:11px;padding:3px 10px;border-radius:999px;border:1px solid var(--border-accent);background:var(--accent-dim);color:var(--accent);font-weight:600;letter-spacing:.02em}.main-content{flex:1 1;width:100%;max-width:960px;margin:0 auto;padding:0 24px}.page-container{padding:40px 0 60px}.page-header{margin-bottom:24px}.page-header h1{font-size:28px;font-weight:800;letter-spacing:-.03em;margin:0 0 8px;color:var(--text-primary)}.page-header p{margin:0;font-size:15px;max-width:520px}.notice,.page-header p{color:var(--text-secondary)}.notice{display:flex;align-items:flex-start;gap:10px;padding:12px 16px;border-radius:var(--radius-md);border:1px solid var(--border-accent);background:var(--accent-glow);margin-bottom:24px;font-size:13px;line-height:1.55}.notice-icon{font-size:15px;flex-shrink:0;margin-top:1px}.card{background:var(--bg-surface);border-radius:var(--radius-xl);border:1px solid var(--border);padding:28px;box-shadow:var(--shadow-md)}.form{gap:20px}.field,.form{display:flex;flex-direction:column}.field{gap:6px}label{font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);font-weight:600}input[type=password]{width:100%;font-size:14px;padding:10px 14px;border-radius:var(--radius-sm);border:1px solid var(--border-strong);background:var(--bg-surface);color:var(--text-primary);outline:none;transition:border-color .15s,box-shadow .15s}input[type=password]:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-dim)}input[type=password]::placeholder{color:var(--text-muted)}.dropzone{border:2px dashed var(--border-strong);border-radius:var(--radius-md);padding:32px 20px;text-align:center;cursor:pointer;transition:border-color .15s,background .15s;background:var(--bg-base)}.dropzone:hover{border-color:var(--text-muted);background:var(--bg-hover)}.dropzone-active{border-color:var(--accent)!important;background:var(--accent-glow)!important}.dropzone-has-file{border-style:solid;border-color:var(--border-accent);background:var(--accent-glow)}.dropzone-placeholder{display:flex;flex-direction:column;align-items:center;gap:8px;color:var(--text-muted);font-size:14px}.dropzone-placeholder u{color:var(--accent);text-decoration:none;border-bottom:1px solid var(--accent-light);cursor:pointer}.dropzone-upload-icon{font-size:22px;width:48px;height:48px;border-radius:50%;background:var(--accent-dim);color:var(--accent);margin-bottom:4px}.dropzone-file,.dropzone-upload-icon{display:flex;align-items:center;justify-content:center}.dropzone-file{gap:10px}.dropzone-file-icon{font-size:20px}.dropzone-file-name{font-size:14px;color:var(--text-primary);font-weight:500}.dropzone-remove{all:unset;cursor:pointer;font-size:13px;width:24px;height:24px;display:flex;align-items:center;justify-content:center;border-radius:50%;color:var(--text-muted);transition:background .1s,color .1s}.dropzone-remove:hover,.error{background:var(--danger-bg);color:var(--danger)}.error{margin:0;font-size:13px;padding:8px 12px;border-radius:var(--radius-sm);border:1px solid rgba(220,38,38,.12)}.actions{display:flex;justify-content:flex-end}.btn-primary{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:none;border-radius:var(--radius-sm);padding:10px 24px;font-size:14px;font-weight:600;background:var(--accent);color:#fff;cursor:pointer;display:inline-flex;align-items:center;gap:8px;transition:transform .08s,filter .08s,box-shadow .08s;box-shadow:0 1px 3px rgba(13,148,136,.2)}.btn-primary:hover:not(:disabled){transform:translateY(-1px);filter:brightness(1.08);box-shadow:0 4px 14px rgba(13,148,136,.25)}.btn-primary:active:not(:disabled){transform:translateY(0)}.btn-primary:disabled{opacity:.55;cursor:not-allowed}.spinner{width:16px;height:16px;border:2px solid hsla(0,0%,100%,.35);border-top-color:#fff;border-radius:50%;animation:spin .6s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}.features-section{margin-top:56px}.features-section h2{font-size:18px;font-weight:700;color:var(--text-primary);margin:0 0 20px;letter-spacing:-.01em}.features-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));grid-gap:16px;gap:16px}.feature-card{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px;transition:border-color .15s,box-shadow .15s}.feature-card:hover{border-color:var(--border-strong);box-shadow:var(--shadow-sm)}.feature-icon{font-size:28px;display:block;margin-bottom:12px}.feature-card h3{font-size:15px;font-weight:600;margin:0 0 6px;color:var(--text-primary)}.feature-card p{font-size:13px;color:var(--text-muted);margin:0 0 12px;line-height:1.5}.feature-status{font-size:11px;padding:3px 8px;border-radius:999px;background:var(--warning-bg);border:1px solid rgba(217,119,6,.15);color:var(--warning);font-weight:600}.footer{border-top:1px solid var(--border);margin-top:auto}.footer-inner{max-width:960px;margin:0 auto;padding:20px 24px;text-align:center}.footer-copy{margin:0;font-size:12px;color:var(--text-muted)}@media (max-width:640px){.page-container{padding:24px 0 40px}.page-header h1{font-size:22px}.card{padding:20px 16px;border-radius:var(--radius-lg)}.actions{justify-content:stretch}.btn-primary{width:100%;justify-content:center}.features-grid{grid-template-columns:1fr}}