:root{color-scheme:light;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;--bg: #f7f8f5;--surface: #ffffff;--surface-soft: #fdfdf9;--ink: #171f1c;--muted: #65706b;--line: #e0e4dd;--line-strong: #c9d0c7;--green: #0d6b5b;--green-dark: #084b40;--blue: #2f5f9f;--coral: #b64d3c;--amber: #b7791f;--shadow-sm: 0 1px 2px rgb(23 31 28 / 5%), 0 10px 26px rgb(23 31 28 / 6%);--shadow-md: 0 1px 2px rgb(23 31 28 / 6%), 0 18px 44px rgb(23 31 28 / 9%);--radius: 8px;--page: min(1180px, calc(100vw - 32px) );--ease: cubic-bezier(.2, .8, .2, 1)}*{box-sizing:border-box}html{min-width:320px;background:var(--bg)}body{margin:0;color:var(--ink);background:linear-gradient(180deg,#ffffffc7,#fff0 260px),var(--bg);overflow-x:hidden}button,input,textarea,select{font:inherit;letter-spacing:0}button,a,summary{-webkit-tap-highlight-color:transparent}.app-shell{min-height:100vh;padding-bottom:22px}.site-header{width:var(--page);margin:0 auto;padding:18px 0 10px;display:flex;align-items:center;justify-content:space-between;gap:16px}.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;font-weight:820;font-size:1.02rem}.brand img{width:38px;height:38px;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}.privacy-chip,.local-badge,.toolbar-note{display:inline-flex;align-items:center;gap:7px;border:1px solid var(--line);background:#ffffffd1;color:var(--green-dark);min-height:34px;padding:0 10px;border-radius:var(--radius);font-size:.82rem;font-weight:760;white-space:nowrap}.hero-band{width:var(--page);margin:0 auto;padding:clamp(22px,5vw,64px) 0 clamp(18px,3.5vw,38px);display:grid;grid-template-columns:1fr;gap:clamp(18px,4vw,42px);align-items:end;animation:enter-up .48s var(--ease) both}.hero-copy h1{margin:0;max-width:760px;overflow-wrap:break-word;font-size:clamp(2.35rem,6.5vw,6.1rem);line-height:.96;letter-spacing:0}.hero-copy p,.panel-heading p,.desktop-cta p,.quiet-note{color:var(--muted);line-height:1.55}.hero-copy p{max-width:540px;margin:18px 0 0;font-size:clamp(1rem,1.4vw,1.12rem);overflow-wrap:break-word}.hero-panel{max-width:460px;display:grid;gap:1px;overflow:hidden;border:1px solid var(--line);border-radius:var(--radius);background:var(--line);box-shadow:var(--shadow-sm)}.hero-panel span{min-height:48px;display:flex;align-items:center;justify-content:space-between;gap:14px;padding:0 15px;background:#ffffffe0;color:var(--ink);font-size:.92rem;font-weight:760}.hero-panel span:after{content:"";width:7px;height:7px;border-radius:999px;background:var(--green)}.tool-band,.feedback-band,.site-footer{width:var(--page);margin:0 auto}.tool-toolbar{position:sticky;top:0;z-index:5;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:8px 0 12px;background:linear-gradient(180deg,var(--bg) 72%,rgb(247 248 245 / 0%));-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.tabs{min-width:0;width:100%;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));align-items:center;gap:4px;padding:4px;border:1px solid var(--line);border-radius:var(--radius);background:#ffffffdb;box-shadow:var(--shadow-sm);overflow-x:auto}.tab{border:0;background:transparent;color:var(--muted);min-height:38px;padding:0 12px;border-radius:6px;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:.76rem;line-height:1.1;font-weight:780;cursor:pointer;white-space:normal;transition:color .16s var(--ease),background .16s var(--ease),transform .16s var(--ease),box-shadow .16s var(--ease)}.tab:hover{color:var(--ink)}.tab--active{color:#fff;background:var(--ink);box-shadow:0 8px 18px #171f1c26}.tab:active,.button:active,.candidate-chip:active,.suggestion-row:active{transform:translateY(1px)}.tool-grid,.romanized-layout{display:grid;grid-template-columns:1fr;gap:14px;align-items:start;animation:enter-up .36s var(--ease) both}.romanized-layout{grid-template-columns:1fr}.editor-panel,.reference-panel,.feedback-panel,.desktop-cta,.side-panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}.editor-panel,.reference-panel,.feedback-panel{padding:clamp(14px,2vw,18px)}.editor-panel--output{background:var(--surface-soft)}.panel-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;margin-bottom:14px}.panel-heading--compact{align-items:center}.panel-heading h2,.desktop-cta h2,.side-panel h3{margin:0;font-size:1.03rem;line-height:1.2;letter-spacing:0}.panel-heading p,.desktop-cta p{margin:5px 0 0;font-size:.9rem}.textarea-field{display:grid;gap:7px}.textarea-field__label,.input-field span,.select-field span{font-size:.78rem;font-weight:800;color:var(--ink)}.textarea-field__hint{color:var(--muted);font-size:.76rem;margin-top:-3px}.textarea,.input-field input,.select-field select{width:100%;border:1px solid var(--line-strong);background:#fff;border-radius:var(--radius);color:var(--ink);outline:none;transition:border-color .15s var(--ease),box-shadow .15s var(--ease),background .15s var(--ease)}.textarea{min-height:220px;resize:vertical;padding:14px;line-height:1.66;font-size:1rem}.textarea--output{font-size:1.18rem;font-family:Noto Sans Devanagari,Kohinoor Devanagari,Mangal,Kokila,serif}.textarea:focus,.input-field input:focus,.select-field select:focus{border-color:var(--green);box-shadow:0 0 0 4px #0d6b5b21}.action-row{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin-top:12px}.button{min-height:38px;border:1px solid transparent;border-radius:var(--radius);padding:0 12px;display:inline-flex;align-items:center;justify-content:center;gap:8px;color:var(--ink);background:#fff;text-decoration:none;font-size:.88rem;font-weight:800;cursor:pointer;white-space:nowrap;transition:background .16s var(--ease),color .16s var(--ease),border-color .16s var(--ease),transform .16s var(--ease),box-shadow .16s var(--ease)}.button:hover:not(:disabled){box-shadow:0 8px 18px #171f1c14}.button:disabled{cursor:not-allowed;opacity:.54}.button--primary{color:#fff;background:var(--green);border-color:var(--green)}.button--primary:hover:not(:disabled){background:var(--green-dark)}.button--secondary{border-color:var(--line)}.button--ghost{background:transparent;border-color:transparent;color:var(--blue)}.button--danger{color:#fff;background:var(--coral);border-color:var(--coral)}.button__icon,.tab__icon{display:inline-flex;align-items:center;flex:0 0 auto}.warning-list,.candidate-bar,.suggestion-list,.hint-list,.trace-grid{display:grid;gap:8px}.mode-toggle{display:inline-grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:4px;width:min(100%,260px);margin-bottom:12px;padding:4px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}.mode-toggle__item{min-height:34px;border:0;border-radius:6px;background:transparent;color:var(--muted);font:inherit;font-size:.86rem;font-weight:760;cursor:pointer;transition:background .16s var(--ease),color .16s var(--ease),transform .16s var(--ease)}.mode-toggle__item--active{background:var(--ink);color:#fff}.warning-list{margin-top:12px}.warning-item{display:flex;align-items:flex-start;gap:8px;color:#744516;background:#fff8e8;border:1px solid #efdba8;border-radius:var(--radius);padding:9px 10px;font-size:.86rem}.quiet-note{margin:12px 0 0;font-size:.88rem}.candidate-bar{grid-template-columns:repeat(auto-fit,minmax(128px,1fr));margin-top:12px}.candidate-chip,.suggestion-row{border:1px solid var(--line);border-radius:var(--radius);background:#fff;text-align:left;cursor:pointer;transition:border-color .16s var(--ease),box-shadow .16s var(--ease),transform .16s var(--ease)}.candidate-chip:hover,.suggestion-row:hover,.hint-row:hover{border-color:var(--line-strong);box-shadow:0 8px 18px #171f1c12}.candidate-chip{min-height:56px;padding:8px 9px;display:grid;gap:3px}.candidate-chip span,.suggestion-row span,.hint-row span{font-family:Noto Sans Devanagari,Kohinoor Devanagari,Mangal,Kokila,serif;font-size:1.06rem}.candidate-chip small,.suggestion-row small,.hint-row small,.trace-row small{color:var(--muted);font-size:.74rem}.side-stack{display:grid;gap:14px;grid-template-columns:1fr}.side-panel{padding:13px}.side-panel__heading{display:flex;align-items:center;gap:8px;margin-bottom:12px}.suggestion-row{min-height:56px;padding:9px 10px;display:grid;gap:2px}.hint-row{border:1px solid var(--line);background:#fff;border-radius:var(--radius);padding:10px;display:grid;gap:4px;transition:border-color .16s var(--ease),box-shadow .16s var(--ease)}.hint-row strong{color:var(--coral);font-size:.8rem}.trace-box{margin-top:13px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;padding:10px}.trace-box summary{cursor:pointer;display:inline-flex;align-items:center;gap:7px;font-weight:800}.trace-grid{margin-top:10px;max-height:230px;overflow:auto}.trace-row{display:grid;grid-template-columns:minmax(52px,.35fr) minmax(52px,.35fr) minmax(100px,1fr);gap:8px;align-items:center;font-size:.82rem}.trace-row code{background:#eef1ec;border-radius:5px;padding:3px 5px}.key-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(72px,1fr));gap:8px;margin-top:16px}.keycap{min-height:58px;display:grid;place-items:center;border:1px solid var(--line);border-radius:var(--radius);background:#fff;font-size:1.42rem;font-family:Noto Sans Devanagari,Kohinoor Devanagari,Mangal,Kokila,serif;font-weight:800;transition:border-color .16s var(--ease),transform .16s var(--ease),box-shadow .16s var(--ease)}.keycap:hover{border-color:var(--line-strong);box-shadow:var(--shadow-sm);transform:translateY(-1px)}.desktop-cta{width:var(--page);margin:16px auto 0;padding:16px 18px;display:flex;align-items:center;justify-content:space-between;gap:16px;background:#f4f7f2}.feedback-band{padding:14px 0 34px}.feedback-band summary{width:fit-content;list-style:none;cursor:pointer;min-height:38px;display:inline-flex;align-items:center;border:1px solid var(--line);border-radius:var(--radius);background:#fff;padding:0 12px;color:var(--ink);font-size:.88rem;font-weight:800;box-shadow:var(--shadow-sm)}.feedback-band summary::-webkit-details-marker{display:none}.feedback-band[open] summary{margin-bottom:12px}.site-footer{padding:0 0 22px;display:flex;gap:12px;flex-wrap:wrap;color:var(--muted);font-size:.86rem}.site-footer a{color:var(--green-dark);font-weight:740}.feedback-panel{max-width:860px}.form-grid{display:grid;grid-template-columns:220px minmax(0,1fr);gap:12px}.input-field,.select-field{display:grid;gap:7px;margin-bottom:12px}.input-field input,.select-field select{min-height:40px;padding:0 10px}@keyframes enter-up{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@media(min-width:621px){.tabs{width:auto;display:inline-flex;grid-template-columns:none}.tab{min-height:38px;font-size:.91rem;line-height:1;white-space:nowrap}}@media(min-width:861px){.hero-band{grid-template-columns:minmax(0,1fr) minmax(260px,360px)}.tool-grid,.romanized-layout{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.side-stack{grid-column:1 / -1;grid-template-columns:repeat(2,minmax(0,1fr))}}@media(min-width:1041px){.romanized-layout{grid-template-columns:minmax(0,1.04fr) minmax(0,1.04fr) minmax(248px,.45fr)}.side-stack{grid-column:auto;grid-template-columns:1fr}}@media(max-width:1040px){.romanized-layout{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.side-stack{grid-column:1 / -1;grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:860px){:root{--page: min(100vw - 24px, 760px)}.hero-band,.tool-grid,.romanized-layout{grid-template-columns:1fr}.hero-panel{max-width:460px}.tool-toolbar{align-items:stretch;flex-direction:column}.toolbar-note{align-self:flex-start}.side-stack{grid-template-columns:1fr}}@media(max-width:620px){:root{--page: calc(100vw - 18px) }.site-header{padding-top:12px}.hero-band{padding-top:18px}.hero-copy h1{max-width:100%;overflow-wrap:break-word;font-size:clamp(2.35rem,11.5vw,3.05rem);line-height:1}.hero-copy p{margin-top:14px}.tabs{width:100%;display:grid;grid-template-columns:repeat(3,minmax(0,1fr))}.tab{min-width:0;padding:0 7px;gap:5px;min-height:44px;font-size:.76rem;line-height:1.1;white-space:normal}.tab span:last-child{min-width:0;overflow-wrap:anywhere}.panel-heading,.desktop-cta,.panel-heading--compact{align-items:flex-start;flex-direction:column}.textarea{min-height:190px}.button{flex:1 1 144px}.form-grid{grid-template-columns:1fr}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation-duration:1ms!important;transition-duration:1ms!important}}
