@import url('https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&display=swap');
:root{--ink:#1f302b;--muted:#73817a;--line:#e5e8e2;--paper:#f7f6f1;--green:#174b3c;--mint:#e9f2eb;--orange:#db784b}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:'DM Sans',sans-serif}.topbar{height:78px;border-bottom:1px solid #e8e9e3;display:flex;align-items:center;padding:0 max(calc((100vw - 1150px)/2),32px);gap:54px}.brand{display:flex;align-items:center;gap:11px;text-decoration:none;color:var(--ink);font:700 12px 'Manrope',sans-serif;letter-spacing:1.55px}.brand b{font-weight:500;color:#748078}.brand-mark{display:grid;place-items:center;background:var(--green);color:white;width:31px;height:31px;border-radius:9px;font:800 18px 'Manrope',sans-serif}.main-nav{display:flex;align-items:center;gap:31px;height:100%}.main-nav a{height:100%;display:flex;align-items:center;text-decoration:none;color:#859089;font-size:13px;position:relative}.main-nav a.active{color:var(--ink);font-weight:600}.main-nav a.active:after{content:'';position:absolute;bottom:0;left:0;right:0;height:2px;background:var(--green)}.local-pill{margin-left:auto;border:1px solid #dce4dc;border-radius:20px;padding:8px 11px;color:#597263;font:500 9px 'DM Mono',monospace;letter-spacing:1px;display:flex;align-items:center;gap:7px}.local-pill span{width:6px;height:6px;border-radius:50%;background:#6ca77d}main{max-width:940px;margin:0 auto;padding:71px 22px 26px}.intro{text-align:center;margin-bottom:34px}.eyebrow{display:flex;align-items:center;justify-content:center;gap:9px;font:500 9px 'DM Mono',monospace;letter-spacing:1.45px;color:#839087}.eyebrow-line{display:inline-block;width:20px;height:1px;background:#9ca99f}.intro h1{font:600 clamp(38px,5vw,54px)/1.1 'Manrope',sans-serif;letter-spacing:-2.5px;margin:17px 0 9px}.intro h1 em{font-style:normal;color:#38765b}.intro p{font-size:14px;color:#78837d;margin:0}.app-card{background:#fff;border:1px solid #e5e8e2;border-radius:13px;box-shadow:0 13px 42px #193e2a0a;padding:24px 27px 22px}.mode-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:19px}.mode-tabs{display:flex;gap:5px;padding:4px;background:#f1f3ef;border-radius:8px}.mode{border:0;background:transparent;padding:9px 13px;border-radius:6px;font:500 12px 'DM Sans',sans-serif;color:#77827b;cursor:pointer}.mode.active{background:white;color:var(--green);box-shadow:0 1px 4px #1b332a16}.mode-icon{font-weight:700;margin-right:6px}.mode-hint{color:#96a099;font-size:11px}.language-bar{display:flex;align-items:center;gap:14px;padding:12px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);position:relative}.lang-select{display:flex;align-items:center;gap:9px;background:none;border:0;padding:3px;color:var(--ink);font:600 12px 'DM Sans',sans-serif}.flag{font-size:17px}.chevron{color:#98a29c;margin-left:5px;font-size:14px}.swap{border:1px solid #e1e7e0;color:var(--green);background:white;border-radius:7px;width:31px;height:29px;font-size:16px;cursor:pointer}.direction-note{margin-left:auto;color:#a2aaa4;font:9px 'DM Mono',monospace;letter-spacing:1px}.direction-note span{color:#6b9478;font-size:13px;padding:0 3px}.input-grid{display:grid;grid-template-columns:1fr 1fr;margin-top:20px;border:1px solid #e4e8e3;border-radius:9px;overflow:hidden;min-height:205px}.text-panel,.output-panel{padding:16px 17px 11px;display:flex;flex-direction:column;min-width:0}.text-panel{border-right:1px solid #e4e8e3}.text-panel label,.output-label{font:500 9px 'DM Mono',monospace;letter-spacing:1px;color:#839088}.text-panel label span{color:#bac0ba;padding:0 3px}textarea{resize:vertical;min-height:124px;border:0;outline:0;margin-top:12px;color:var(--ink);font:15px/1.6 'DM Sans',sans-serif;background:transparent}textarea::placeholder{color:#b1b9b4}.output-label{display:flex;justify-content:space-between}.sparkle{color:#bf9b5b;font-size:14px}.result{font:15px/1.6 'DM Sans',sans-serif;white-space:pre-wrap;overflow-wrap:anywhere;margin-top:12px;min-height:124px}.result.placeholder{font-size:13px;color:#b1b9b4}.panel-bottom{border-top:1px solid #f0f1ee;padding-top:9px;margin-top:auto;display:flex;justify-content:space-between;align-items:center;color:#a0aaa3;font:9px 'DM Mono',monospace}.text-button{background:transparent;border:0;color:#69766e;font:500 10px 'DM Sans',sans-serif;cursor:pointer;padding:0}.text-button:disabled{color:#c2c8c2;cursor:default}.actions{display:flex;align-items:center;justify-content:space-between;padding-top:16px}.status{font:10px 'DM Mono',monospace;color:#9ba69e}.status.error{color:#b65342}.translate-btn{border:0;border-radius:7px;background:var(--green);color:#fff;padding:12px 17px;font:600 12px 'DM Sans',sans-serif;cursor:pointer;min-width:128px}.translate-btn span{font-size:16px;margin-left:12px}.translate-btn:hover{background:#23644e}.translate-btn:disabled{opacity:.65;cursor:wait}.word-details{border-top:1px solid var(--line);margin-top:23px;padding-top:21px}.details-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px}.eyebrow.small{justify-content:flex-start;font-size:8px}.details-heading h2{font:600 20px 'Manrope',sans-serif;letter-spacing:-.5px;margin:7px 0 0}.source-tag{border:1px solid #e7eae4;border-radius:20px;padding:6px 8px;font:8px 'DM Mono',monospace;letter-spacing:.8px;color:#87938a}.word-card{border:1px solid #e5e9e3;border-radius:9px;padding:17px;background:#fbfcfa}.word-top{display:flex;align-items:flex-start;justify-content:space-between;gap:15px}.word-title{font:700 23px 'Manrope',sans-serif;letter-spacing:-.6px}.article-chip{display:inline-block;margin-left:8px;border-radius:5px;padding:4px 7px;background:#edf4ed;color:#315e43;font:600 11px 'DM Sans',sans-serif;vertical-align:4px}.word-meta{font-size:11px;color:#738078;margin-top:5px}.detail-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin-top:15px}.detail-item{background:white;border:1px solid #edf0eb;border-radius:7px;padding:10px}.detail-item b{display:block;font:9px 'DM Mono',monospace;letter-spacing:.7px;color:#96a198;margin-bottom:5px}.detail-item span{font-size:12px;color:#37483f}.detail-examples{border-top:1px solid #edf0eb;margin-top:14px;padding-top:11px;font-size:12px;line-height:1.65;color:#516057}.detail-examples b{font-weight:600;color:#34483d}.footnote{display:flex;gap:12px;align-items:flex-start;padding:20px 4px 0;color:#849088}.foot-icon{flex:0 0 19px;height:19px;border:1px solid #bdc9bf;border-radius:50%;text-align:center;font:italic 12px Georgia;color:#66806e}.footnote p{margin:0;font-size:10px;line-height:1.6}.footnote b{font-size:11px;color:#53635a;font-weight:600}footer{margin-top:54px;border-top:1px solid #e5e8e2;padding:17px 0 4px;display:flex;justify-content:space-between;color:#a0aaa3;font:9px 'DM Mono',monospace;letter-spacing:.3px}footer b{color:#8fa58f}
@media(max-width:640px){.topbar{height:64px;padding:0 17px;gap:20px}.main-nav{display:none}.local-pill{font-size:8px}main{padding:45px 14px 20px}.intro{margin-bottom:27px}.intro h1{letter-spacing:-1.7px}.app-card{padding:17px 14px}.mode-row{align-items:flex-start;gap:12px;flex-direction:column}.mode-hint{padding-left:2px}.direction-note{font-size:8px}.language-bar{gap:8px}.lang-select{gap:5px;font-size:11px}.swap{width:28px}.input-grid{grid-template-columns:1fr}.text-panel{border-right:0;border-bottom:1px solid #e4e8e3}.text-panel,.output-panel{min-height:174px}.detail-grid{grid-template-columns:1fr 1fr}footer{font-size:8px;gap:10px}.status{max-width:55%;line-height:1.5}}
.library-card{background:white;border:1px solid #e5e8e2;border-radius:13px;box-shadow:0 13px 42px #193e2a0a;padding:25px 27px;margin-top:0}.library-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:20px}.library-heading .eyebrow{justify-content:flex-start}.library-heading h2{font:600 24px 'Manrope',sans-serif;letter-spacing:-.8px;margin:9px 0 5px}.library-heading p{color:#78837d;font-size:12px;margin:0}.library-search-label{font:500 9px 'DM Mono',monospace;letter-spacing:1px;color:#839088}.library-card input,.library-card select{display:block;width:100%;margin-top:8px;border:1px solid #e4e8e3;border-radius:7px;padding:12px 13px;font:13px 'DM Sans',sans-serif;outline-color:#6b9478;background:white;color:var(--ink)}.library-controls{display:grid;grid-template-columns:minmax(0,1fr) 170px;gap:13px;align-items:end}.b2-results{margin-top:14px;display:grid;gap:8px;max-height:420px;overflow-y:auto}.b2-row{border:1px solid #e9ede7;border-radius:8px;padding:11px 13px;display:flex;justify-content:space-between;align-items:flex-start;gap:12px;cursor:pointer}.b2-row:hover{background:#f8faf7;border-color:#cddbcf}.b2-word{font-weight:600;font-size:13px;color:#2f4739}.b2-meaning{font-size:11px;color:#77837a;margin-top:4px}.b2-level{font:8px 'DM Mono',monospace;color:#9ba69e;white-space:nowrap}.library-empty{font-size:12px;color:#929d95}.dataset-credit{font-size:9px;line-height:1.6;color:#9aa49c;margin:15px 0 0}.dataset-credit a{color:#52765b}@media(max-width:640px){.topbar{height:auto;min-height:64px;flex-wrap:wrap;padding:0 17px 0}.topbar .brand{height:60px}.topbar .local-pill{height:29px}.main-nav{order:3;display:flex;flex-basis:100%;height:37px;gap:23px}.main-nav a{font-size:11px}.library-card{padding:18px 14px}.library-heading h2{font-size:21px}.library-heading p{line-height:1.5}.library-controls{grid-template-columns:minmax(0,1fr) 125px;gap:8px}.library-card input,.library-card select{padding:10px 9px}.b2-level{display:none}}
/* Phone-first refinements: keep the main controls within narrow viewports and give touch targets room. */
html{min-width:320px;overflow-x:hidden}body{min-width:320px;overflow-x:hidden}main{width:100%;padding-inline:clamp(12px,4vw,22px)}
@media(max-width:480px){
  .topbar{padding-left:max(12px,env(safe-area-inset-left));padding-right:max(12px,env(safe-area-inset-right));column-gap:10px;row-gap:0}
  .brand{gap:8px;font-size:10px;letter-spacing:1px;white-space:nowrap}
  .brand-mark{width:29px;height:29px}
  .local-pill{padding:7px 8px;letter-spacing:.65px}
  .main-nav{justify-content:space-between;gap:8px}
  .main-nav a{font-size:10px}
  main{padding-left:max(12px,env(safe-area-inset-left));padding-right:max(12px,env(safe-area-inset-right));padding-top:34px;padding-bottom:18px}
  .intro{margin-bottom:23px}
  .eyebrow{font-size:8px;letter-spacing:1px}
  .intro h1{font-size:clamp(35px,10vw,45px);margin-top:14px;letter-spacing:-1.5px}
  .intro p{font-size:12px;line-height:1.5}
  .app-card,.library-card{border-radius:11px;padding:16px 12px}
  .mode-row{margin-bottom:13px}
  .mode-tabs{width:100%}
  .mode{flex:1;min-height:40px}
  .mode-hint{font-size:11px;line-height:1.4}
  .language-bar{flex-wrap:wrap;justify-content:center;gap:7px;padding:10px 0}
  .lang-select{min-height:38px;gap:5px;font-size:11px}
  .direction-note{flex:0 0 100%;margin-left:0;text-align:center;font-size:8px;padding-top:2px}
  .input-grid{margin-top:13px;min-height:0}
  .text-panel,.output-panel{min-height:166px;padding:13px 12px 10px}
  textarea{font-size:16px;min-height:108px}
  .result{min-height:108px;font-size:16px}
  .panel-bottom{font-size:9px}
  .actions{align-items:stretch;flex-direction:column;gap:10px;padding-top:13px}
  .status{max-width:none;font-size:9px;line-height:1.5}
  .translate-btn{width:100%;min-height:46px}
  .details-heading{align-items:flex-start;gap:8px}
  .details-heading h2{font-size:19px}
  .source-tag{font-size:7px;padding:6px;white-space:nowrap}
  .word-card{padding:12px}
  .word-top{gap:8px;flex-wrap:wrap}
  .word-title{font-size:21px;overflow-wrap:anywhere}
  .article-chip{margin-left:5px}
  .detail-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:7px}
  .detail-item{padding:9px 8px;min-width:0}
  .detail-item b{font-size:8px;letter-spacing:.4px}
  .detail-item span{font-size:11px;overflow-wrap:anywhere}
  .library-heading{flex-direction:column;gap:10px;margin-bottom:15px}
  .library-heading h2{font-size:20px;line-height:1.2}
  .library-heading p{font-size:11px}
  .library-controls{grid-template-columns:minmax(0,1fr) 112px;gap:7px}
  .library-card input,.library-card select{font-size:16px;padding:11px 8px}
  .b2-results{max-height:52svh}
  .b2-row{padding:10px;gap:7px}
  .b2-word{font-size:12px;overflow-wrap:anywhere}
  .b2-meaning{line-height:1.45;overflow-wrap:anywhere}
  .b2-level{display:block;font-size:7px}
  .dataset-credit{font-size:9px}
  .footnote{padding-top:17px;gap:9px}
  .footnote p{font-size:10px}
  footer{margin-top:35px;flex-direction:column;gap:7px;font-size:8px}
}
@media(max-width:360px){
  .brand{font-size:9px;letter-spacing:.7px}
  .local-pill{font-size:7px;padding-inline:7px}
  .main-nav a{font-size:9px}
  .language-bar{column-gap:4px}
  .lang-select{font-size:10px}
  .library-controls{grid-template-columns:minmax(0,1fr) 100px}
  .b2-level{display:none}
}
@media(max-height:520px) and (orientation:landscape){
  main{padding-top:22px}
  .intro{margin-bottom:18px}
  .intro h1{font-size:36px;margin:10px 0 5px}
  .b2-results{max-height:48vh}
}
.theme-toggle{margin-left:auto;display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:36px;border:1px solid #dce4dc;border-radius:20px;padding:7px 10px;background:transparent;color:#597263;font:500 10px 'DM Sans',sans-serif;white-space:nowrap;cursor:pointer}.theme-toggle:hover{background:#edf3ed}.theme-toggle #theme-icon{font-size:15px;line-height:1}.topbar>.local-pill{margin-left:0}
:root[data-theme="dark"]{color-scheme:dark;--ink:#e6eee8;--muted:#a6b2aa;--line:#33423b;--paper:#101713;--green:#5eaa7c;--mint:#1d3025;--orange:#e2916c}
:root[data-theme="dark"] body{background:var(--paper);color:var(--ink)}
:root[data-theme="dark"] .topbar,:root[data-theme="dark"] footer{border-color:#2b3932}
:root[data-theme="dark"] .brand b{color:#9aa9a0}
:root[data-theme="dark"] .local-pill,:root[data-theme="dark"] .theme-toggle{border-color:#3a5144;color:#b6d0bd}
:root[data-theme="dark"] .theme-toggle:hover{background:#203329}
:root[data-theme="dark"] .eyebrow,:root[data-theme="dark"] .mode-hint,:root[data-theme="dark"] .text-panel label,:root[data-theme="dark"] .output-label{color:#a6b4aa}
:root[data-theme="dark"] .eyebrow-line{background:#62766a}
:root[data-theme="dark"] .intro h1 em{color:#7fc497}
:root[data-theme="dark"] .intro p,:root[data-theme="dark"] .library-heading p{color:#aab6ad}
:root[data-theme="dark"] .app-card,:root[data-theme="dark"] .library-card{background:#18221d;border-color:#2d3a33;box-shadow:0 13px 42px #00000026}
:root[data-theme="dark"] .mode-tabs{background:#111a15}
:root[data-theme="dark"] .mode.active{background:#26352c;color:#a9d4b4;box-shadow:0 1px 4px #00000040}
:root[data-theme="dark"] .language-bar,:root[data-theme="dark"] .input-grid,:root[data-theme="dark"] .text-panel{border-color:#34433b}
:root[data-theme="dark"] .swap,:root[data-theme="dark"] .library-card input,:root[data-theme="dark"] .library-card select{background:#111a15;border-color:#3a4a41;color:var(--ink)}
:root[data-theme="dark"] textarea{color:var(--ink)}
:root[data-theme="dark"] textarea::placeholder,:root[data-theme="dark"] .result.placeholder{color:#829188}
:root[data-theme="dark"] .panel-bottom{border-color:#2a3831;color:#9ba99f}
:root[data-theme="dark"] .text-button{color:#b8c6bc}
:root[data-theme="dark"] .text-button:disabled{color:#66766b}
:root[data-theme="dark"] .status{color:#a0afa5}
:root[data-theme="dark"] .status.error{color:#ff9c8a}
:root[data-theme="dark"] .translate-btn{background:#397850;color:#fff}
:root[data-theme="dark"] .translate-btn:hover{background:#478b60}
:root[data-theme="dark"] .word-details{border-color:#34433b}
:root[data-theme="dark"] .word-card,:root[data-theme="dark"] .detail-item{background:#1d2a23;border-color:#34433b}
:root[data-theme="dark"] .article-chip{background:#284634;color:#b8e0c2}
:root[data-theme="dark"] .word-meta,:root[data-theme="dark"] .detail-examples{color:#b4c0b7}
:root[data-theme="dark"] .detail-examples{border-color:#34433b}
:root[data-theme="dark"] .detail-examples b{color:#e2ece5}
:root[data-theme="dark"] .detail-item b{color:#9cac9f}
:root[data-theme="dark"] .detail-item span{color:#d5dfd8}
:root[data-theme="dark"] .source-tag{border-color:#3b4a42;color:#afbeb3}
:root[data-theme="dark"] .b2-row{background:#1b2721;border-color:#34433b}
:root[data-theme="dark"] .b2-row:hover{background:#24362b;border-color:#496852}
:root[data-theme="dark"] .b2-word{color:#dce9df}
:root[data-theme="dark"] .b2-meaning,:root[data-theme="dark"] .b2-level,:root[data-theme="dark"] .library-empty{color:#a4b1a8}
:root[data-theme="dark"] .dataset-credit{color:#a0ada4}
:root[data-theme="dark"] .dataset-credit a{color:#95cba3}
:root[data-theme="dark"] .footnote{color:#a8b6ac}
:root[data-theme="dark"] .footnote b{color:#d0ddd3}
:root[data-theme="dark"] .foot-icon{border-color:#556a5c;color:#9ec1a5}
:root[data-theme="dark"] footer{color:#98a79d}
@media(max-width:640px){.theme-toggle{margin-left:auto}.topbar>.local-pill{margin-left:0}}
@media(max-width:480px){.theme-toggle{width:36px;height:36px;min-height:36px;padding:0;flex:0 0 36px}.theme-toggle .theme-label{display:none}.topbar>.local-pill{font-size:7px}}