:root{--font-display:"Cormorant Garamond", "Times New Roman", serif;--font-body:"Newsreader", "Georgia", serif;--font-mono:"IBM Plex Mono", "Courier New", monospace;--color-parchment:#ebe4d8;--color-parchment-deep:#ddd3c3;--color-surface:#faf6ef;--color-surface-raised:#fffdf8;--color-ink:#1c1712;--color-ink-soft:#4a433c;--color-ink-faint:#8a8178;--color-accent:#a83c2a;--color-accent-hover:#8f2f1f;--color-accent-glow:#a83c2a2e;--color-border:#c8bba8;--color-border-strong:#a8957d;--color-success:#2a5c44;--color-error:#8b2e2e;--radius-sm:4px;--radius-md:10px;--radius-lg:16px;--shadow-panel:0 1px 0 #ffffffb3 inset, 0 12px 40px #1c171214;--shadow-btn:0 2px 8px #1c17121f;--ease-out:cubic-bezier(.22, 1, .36, 1)}*,:before,:after{box-sizing:border-box}body{min-height:100vh;font-family:var(--font-body);color:var(--color-ink);background:radial-gradient(ellipse 120% 80% at 10% -10%, #f5ede0 0%, transparent 55%), radial-gradient(ellipse 90% 60% at 95% 100%, #e8dfd0 0%, transparent 50%), linear-gradient(165deg, var(--color-parchment) 0%, #e5dcd0 100%);margin:0;font-size:17px;line-height:1.55}.app-shell{max-width:1180px;padding:clamp(20px, 4vw, 48px) clamp(16px, 3vw, 32px) calc(80px + env(safe-area-inset-bottom,0px));animation:shell-enter .7s var(--ease-out) both;flex-direction:column;gap:clamp(24px,4vw,40px);margin:0 auto;display:flex;position:relative}.app-grain{pointer-events:none;opacity:.35;mix-blend-mode:multiply;z-index:0;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");background-size:180px 180px;position:fixed;inset:0}.app-shell>:not(.app-grain){z-index:1;position:relative}.app-header{border-bottom:1px solid var(--color-border);animation:fade-up .6s var(--ease-out) 50ms both;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:24px;padding-bottom:8px;display:flex}.brand{align-items:center;gap:16px;display:flex}.brand-logo{object-fit:contain;border-radius:var(--radius-sm);width:52px;height:52px;box-shadow:var(--shadow-btn);display:block}.brand h1{font-family:var(--font-display);letter-spacing:-.02em;margin:0;font-size:clamp(1.8rem,4vw,2.6rem);font-weight:700;line-height:1.1}.brand-copy{flex-direction:column;gap:6px;display:flex}.brand-subtitle{max-width:36ch;color:var(--color-ink-soft);margin:0;font-size:.95rem;line-height:1.45}.locale-select{margin-left:auto;position:relative}.locale-select__trigger{font-family:var(--font-body);color:var(--color-ink-soft);border-radius:var(--radius-sm);cursor:pointer;background:0 0;border:none;padding:6px 10px;font-size:.95rem;font-weight:500;transition:color .2s,background .2s}.locale-select__trigger:hover,.locale-select__trigger:focus-visible{color:var(--color-ink);box-shadow:0 0 0 3px var(--color-accent-glow);background:#1c17120a;outline:none}.locale-select__listbox{z-index:100;background:var(--color-surface-raised);border:1px solid var(--color-border);border-radius:var(--radius-md);min-width:168px;max-height:280px;box-shadow:var(--shadow-panel);animation:locale-panel-in .2s var(--ease-out) both;margin:0;padding:4px;list-style:none;overflow-y:auto}.locale-select__option{text-align:left;width:100%;font-family:var(--font-body);color:var(--color-ink-soft);border-radius:calc(var(--radius-sm) + 2px);cursor:pointer;background:0 0;border:none;padding:10px 12px;font-size:.92rem;font-weight:500;transition:background .15s,color .15s;display:block}.locale-select__option:hover,.locale-select__option--focused{color:var(--color-ink);background:#1c17120a}.locale-select__option--active{color:var(--color-ink);background:#a83c2a14;font-weight:600}.visually-hidden{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.workspace{animation:fade-up .6s var(--ease-out) .15s both;grid-template-columns:1fr auto 1fr;align-items:stretch;gap:clamp(12px,2vw,20px);display:grid}.panel{flex-direction:column;gap:10px;min-width:0;display:flex}.panel-head{align-items:baseline;gap:10px;display:flex}.panel-index{font-family:var(--font-mono);letter-spacing:.08em;color:var(--color-accent);opacity:.85;font-size:.7rem;font-weight:500}.panel-head label{letter-spacing:.05em;text-transform:uppercase;color:var(--color-ink-soft);font-size:.82rem;font-weight:600}.editor{width:100%;min-height:320px;max-height:min(60vh,600px);font-family:var(--font-mono);color:var(--color-ink);background:var(--color-surface-raised);border:1px solid var(--color-border);border-radius:var(--radius-md);box-shadow:var(--shadow-panel);resize:vertical;flex:1;margin:0;padding:18px 20px;font-size:.88rem;line-height:1.65;transition:border-color .25s,box-shadow .25s;overflow-y:auto}.editor:focus-visible{border-color:var(--color-accent);box-shadow:var(--shadow-panel), 0 0 0 3px var(--color-accent-glow);outline:none}textarea.editor{field-sizing:content;min-height:320px}pre.editor.output{white-space:pre-wrap;word-break:break-word;overflow:auto}pre.editor.output:empty:before{content:"—";color:var(--color-ink-faint);opacity:.5}.flow-bridge{color:var(--color-border-strong);flex-direction:column;justify-content:center;align-items:center;gap:6px;padding-top:36px;display:flex}.flow-line{background:linear-gradient(to bottom, transparent, var(--color-border-strong), transparent);width:1px;height:40px;display:block}.flow-arrow{font-family:var(--font-display);color:var(--color-accent);opacity:.7;font-size:1.6rem;animation:2.4s ease-in-out infinite pulse-arrow}.app-supplementary{animation:fade-up .6s var(--ease-out) .2s both;flex-direction:column;gap:8px;display:flex}.app-supplementary .seo-faq{border-top:1px solid color-mix(in srgb, var(--color-border) 55%, transparent);padding-top:0}.app-footer{z-index:10;-webkit-backdrop-filter:blur(10px);border-top:1px solid var(--color-border);animation:fade-up .6s var(--ease-out) .25s both;background:#fffdf8f5;position:fixed;bottom:0;left:0;right:0;box-shadow:0 -2px 16px #1c17120d}.action-dock{max-width:1180px;padding:10px clamp(16px, 3vw, 32px) calc(12px + env(safe-area-inset-bottom,0px));margin:0 auto}.large-input-warning{width:100%;color:var(--color-ink-soft);border-radius:var(--radius-sm);background:#a83c2a14;margin:0 0 10px;padding:8px 12px;font-size:.88rem;font-weight:500;display:block}.actions{flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:8px;display:flex}.btn{font-family:var(--font-body);letter-spacing:.02em;border-radius:var(--radius-sm);cursor:pointer;padding:10px 22px;font-size:.92rem;font-weight:600;transition:background .2s,color .2s,border-color .2s,transform .15s,box-shadow .2s}.btn:active:not(:disabled){transform:translateY(1px)}.btn-primary{color:var(--color-surface-raised);background:var(--color-accent);border:1px solid var(--color-accent-hover);box-shadow:var(--shadow-btn)}.btn-primary:hover{background:var(--color-accent-hover)}.btn-primary:focus-visible{box-shadow:var(--shadow-btn), 0 0 0 3px var(--color-accent-glow);outline:none}.btn-secondary{color:var(--color-ink);background:var(--color-surface-raised);border:1px solid var(--color-border-strong)}.btn-secondary:hover:not(:disabled){background:var(--color-surface);border-color:var(--color-ink-faint)}.btn-secondary:disabled{opacity:.4;cursor:not-allowed}.btn-outline{color:var(--color-ink-soft);border:1px solid var(--color-border-strong);background:0 0}.btn-outline:hover{color:var(--color-ink);border-color:var(--color-ink-faint);background:#1c17120a}.btn-outline:focus-visible{box-shadow:0 0 0 3px var(--color-accent-glow);outline:none}.btn-copy{min-width:7.5rem}.btn-paste{justify-content:center;align-items:center;gap:6px;display:inline-flex}.btn-icon{flex-shrink:0;display:block}.btn-paste-entry{color:var(--color-accent);background:#a83c2a0e;border:1px solid #a83c2a52}.btn-paste-entry:hover{background:#a83c2a1a;border-color:#a83c2a85}.btn-paste-entry:focus-visible{box-shadow:0 0 0 3px var(--color-accent-glow);outline:none}.btn-paste-error{color:var(--color-surface-raised);background:var(--color-error);box-shadow:var(--shadow-btn);border:1px solid #6e2424}.btn-paste-error:hover{background:#6e2424}.shortcut-hint{opacity:.62;align-items:center;gap:2px;margin-left:2px;display:none}.shortcut-hint kbd{font-family:var(--font-mono);color:inherit;letter-spacing:0;background:#ffffff80;border:1px solid #a83c2a47;border-bottom-width:2px;border-radius:3px;padding:2px 4px;font-size:.6rem;font-weight:500;line-height:1;box-shadow:inset 0 1px #fff9}.shortcut-sep{opacity:.55;-webkit-user-select:none;user-select:none;font-size:.62rem}.btn-paste-error .shortcut-hint{display:none}@media (hover:hover) and (pointer:fine){.shortcut-hint{align-items:center;display:inline-flex}}.btn-copy-success{color:var(--color-surface-raised);background:var(--color-success);box-shadow:var(--shadow-btn);border:1px solid #1e4a36}.btn-copy-success:hover{background:#1e4a36}.btn-copy-error{color:var(--color-surface-raised);background:var(--color-error);box-shadow:var(--shadow-btn);border:1px solid #6e2424}.btn-copy-error:hover{background:#6e2424}.btn-ghost{color:var(--color-ink-soft);background:0 0;border:1px solid #0000}.btn-ghost:hover{color:var(--color-ink);border-color:var(--color-border);background:#1c17120a}.privacy-note{color:var(--color-ink-faint);text-align:center;margin:0;padding:0 2px;font-size:.82rem;font-style:italic}.seo-faq{border-top:1px solid color-mix(in srgb, var(--color-border) 55%, transparent);padding:12px 4px 0}.seo-faq h2{font-family:var(--font-display);color:var(--color-ink-soft);margin:0 0 10px;font-size:1.05rem;font-weight:600}.seo-faq-list{flex-direction:column;gap:8px;display:flex}.seo-faq-item{border:1px solid color-mix(in srgb, var(--color-border) 70%, transparent);border-radius:var(--radius-sm);background:color-mix(in srgb, var(--color-surface-raised) 88%, transparent);padding:0 12px}.seo-faq-item summary{cursor:pointer;color:var(--color-ink);padding:10px 0;font-size:.92rem;font-weight:500;list-style-position:outside}.seo-faq-item p{color:var(--color-ink-soft);margin:0 0 12px;font-size:.88rem;line-height:1.5}@keyframes shell-enter{0%{opacity:0}to{opacity:1}}@keyframes fade-up{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}@keyframes locale-panel-in{0%{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse-arrow{0%,to{opacity:.5;transform:translate(0)}50%{opacity:1;transform:translate(3px)}}@media (width<=820px){.app-shell{padding-bottom:calc(88px + env(safe-area-inset-bottom,0px))}.workspace{grid-template-columns:1fr}.flow-bridge{flex-direction:row;padding:4px 0}.flow-line{background:linear-gradient(to right, transparent, var(--color-border-strong), transparent);width:40px;height:1px}.flow-arrow{animation-name:pulse-arrow-mobile;transform:rotate(90deg)}.editor{min-height:200px;max-height:min(45vh,400px);font-size:16px}textarea.editor{min-height:200px}.btn{min-height:44px}.actions .btn-primary,.actions .btn-secondary,.actions .btn-paste-entry,.actions .btn-paste-error,.actions .btn-copy-success,.actions .btn-copy-error{flex:1}.privacy-note{text-align:left}.actions .btn-outline{flex:.6;min-width:88px}}@keyframes pulse-arrow-mobile{0%,to{opacity:.5;transform:rotate(90deg)translate(0)}50%{opacity:1;transform:rotate(90deg)translate(3px)}}@media (prefers-reduced-motion:reduce){.app-shell,.app-header,.workspace,.app-supplementary,.app-footer,.locale-select__listbox,.flow-arrow{animation:none}.btn{transition:none}}