:root{color-scheme:light;--ease-out-quart: cubic-bezier(.25, 1, .5, 1);--ease-out-expo: cubic-bezier(.16, 1, .3, 1);--ink: oklch(.15 .02 250);--ink-muted: oklch(.4 .02 250);--ink-faint: oklch(.55 .015 250);--paper: oklch(.985 .005 80);--paper-warm: oklch(.975 .008 70);--paper-cool: oklch(.98 .006 250);--zh: oklch(.55 .18 25);--zh-soft: oklch(.92 .04 30);--zh-surface: oklch(.97 .02 35);--zh-border: oklch(.9 .03 30);--ja: oklch(.5 .14 180);--ja-soft: oklch(.9 .04 180);--ja-surface: oklch(.96 .015 180);--ja-border: oklch(.88 .03 180);--ko: oklch(.5 .15 280);--ko-soft: oklch(.92 .04 280);--ko-surface: oklch(.97 .02 280);--ko-border: oklch(.9 .03 280);--vi: oklch(.6 .16 130);--vi-soft: oklch(.92 .04 130);--vi-surface: oklch(.97 .02 130);--vi-border: oklch(.9 .03 130);--text-display: "Cormorant Garamond", "Noto Serif SC", "Noto Serif JP", Georgia, serif;--text-ui: "Source Sans 3", "Noto Sans SC", "Noto Sans JP", system-ui, sans-serif}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:var(--text-ui);font-size:1rem;line-height:1.6;-webkit-font-smoothing:antialiased;background:var(--paper);color:var(--ink)}.app{min-height:100vh}@keyframes fadeUp{0%{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes inkSpread{0%{transform:scale(.6);opacity:0}50%{opacity:.5}to{transform:scale(1);opacity:.12}}@keyframes sealStamp{0%{transform:scale(1.4) rotate(-20deg);opacity:0}60%{transform:scale(.95) rotate(3deg);opacity:.85}to{transform:scale(1) rotate(0);opacity:1}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(8px)}}.hero{position:relative;min-height:100vh;display:flex;flex-direction:column;overflow:hidden;background:radial-gradient(ellipse 80% 50% at 20% 40%,oklch(.95 .03 25 / .3) 0%,transparent 50%),radial-gradient(ellipse 60% 40% at 80% 60%,oklch(.95 .03 180 / .2) 0%,transparent 50%),linear-gradient(165deg,#fbf8f4,#f7f0eb,#e4ecf5)}.hero-bg{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;overflow:hidden}.ink-wash{position:absolute;top:-30%;right:-20%;width:90%;height:140%;background:radial-gradient(ellipse at center,oklch(.3 .03 250 / .08) 0%,oklch(.3 .03 250 / .04) 35%,transparent 60%);filter:blur(80px);animation:inkSpread 2.5s var(--ease-out-expo) .2s backwards}.seal{position:absolute;top:12%;right:10%;width:clamp(80px,12vw,140px);height:clamp(80px,12vw,140px);display:flex;align-items:center;justify-content:center;font-family:var(--text-display);font-size:clamp(2.5rem,6vw,4.5rem);font-weight:700;color:#f8efee;background:#c53637;border-radius:8px;transform:rotate(6deg);animation:sealStamp .9s var(--ease-out-expo) .5s backwards;box-shadow:inset 0 0 0 3px #f8efee4d,0 8px 32px #742e2b40}.nav{position:relative;z-index:10;display:flex;align-items:baseline;gap:1rem;padding:clamp(1.25rem,3vw,2rem) clamp(1.5rem,5vw,4rem);animation:fadeIn .6s var(--ease-out-quart) backwards}.logo{font-family:var(--text-display);font-size:1.5rem;font-weight:700;letter-spacing:.18em;color:var(--ink)}.nav-subtitle{font-size:.8rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-muted)}.hero-content{flex:1;display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,4rem);align-items:center;padding:0 clamp(1.5rem,5vw,4rem);max-width:1400px;margin:0 auto;width:100%}.featured-char-container{position:relative;display:flex;justify-content:center;align-items:center;min-height:420px}.featured-char{position:absolute;text-align:center;opacity:0;transition:opacity .9s var(--ease-out-expo),transform .9s var(--ease-out-expo);transform:scale(.92)}.featured-char.active{opacity:1;transform:scale(1)}.char-glyph{display:block;font-family:var(--text-display);font-size:clamp(14rem,28vw,24rem);font-weight:500;line-height:1;color:var(--ink);background:linear-gradient(170deg,#0b121a,#2a3c4f,#2f1c1a);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;filter:drop-shadow(0 8px 40px oklch(.2 .02 250 / .2))}.hero-text{animation:fadeUp .9s var(--ease-out-expo) .15s backwards}.kicker{font-size:.7rem;font-weight:700;letter-spacing:.25em;text-transform:uppercase;color:var(--zh);margin-bottom:1.25rem}.hero h1{font-family:var(--text-display);font-size:clamp(2.75rem,5vw,4.25rem);font-weight:600;line-height:1.08;letter-spacing:-.025em;color:var(--ink);margin-bottom:1.5rem}.hero-subtitle{font-size:clamp(1rem,1.4vw,1.15rem);line-height:1.75;color:var(--ink-muted);max-width:38ch;margin-bottom:2.25rem}.hero-meta{display:flex;flex-wrap:wrap;gap:.6rem}.hero-meta span{padding:.55rem 1.1rem;font-size:.8rem;font-weight:600;border-radius:6px;letter-spacing:.02em}.active-lang{background:var(--zh);color:#fff}.char-meaning{background:var(--zh-soft);color:var(--zh)}.char-reading{font-style:italic;background:#efeae5;color:var(--ink-muted)}.scroll-hint{position:absolute;bottom:2.5rem;left:50%;transform:translate(-50%);display:flex;flex-direction:column;align-items:center;gap:.6rem;color:var(--ink-faint);font-size:.7rem;letter-spacing:.15em;text-transform:uppercase;animation:fadeIn .6s var(--ease-out-quart) 1.2s backwards}.scroll-hint svg{opacity:.6;animation:float 2.5s ease-in-out infinite}.search-section{padding:clamp(2.5rem,5vw,4rem) clamp(1rem,4vw,3rem);background:linear-gradient(180deg,oklch(.97 .01 70) 0%,var(--paper) 100%)}.search-container{max-width:560px;margin:0 auto}.search-box{position:relative;display:flex;align-items:center}.search-icon{position:absolute;left:1.25rem;color:var(--ink-faint);pointer-events:none}.search-input{width:100%;padding:1rem 3.5rem 1rem 3.25rem;font-family:inherit;font-size:1.05rem;color:var(--ink);background:#fff;border:2px solid oklch(.9 .01 70);border-radius:14px;outline:none;transition:border-color .25s,box-shadow .25s}.search-input::placeholder{color:var(--ink-faint)}.search-input:focus{border-color:var(--zh);box-shadow:0 0 0 4px var(--zh-soft)}.search-clear{position:absolute;right:1rem;display:flex;align-items:center;justify-content:center;width:2rem;height:2rem;background:#ece7e1;border:none;border-radius:50%;color:var(--ink-muted);cursor:pointer;transition:background .2s,color .2s}.search-clear:hover{background:var(--zh-soft);color:var(--zh)}.search-hint{margin-top:.85rem;text-align:center;font-size:.85rem;color:var(--ink-faint)}.grid-section{background:var(--paper-warm);padding:clamp(2.5rem,5vw,4rem) clamp(1rem,4vw,3rem);position:relative}.grid-section:before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent 0%,oklch(.85 .01 70) 50%,transparent 100%)}.section-header{text-align:center;margin-bottom:clamp(2rem,4vw,3rem);animation:fadeUp .7s var(--ease-out-expo) backwards}.section-header h2{font-family:var(--text-display);font-size:clamp(1.75rem,3vw,2.5rem);font-weight:600;color:var(--ink);margin-bottom:.5rem}.section-header p{color:var(--ink-muted);font-size:1rem}.empty-state{text-align:center;padding:clamp(3rem,6vw,5rem) 1rem;animation:fadeUp .5s var(--ease-out-expo)}.empty-char{font-family:var(--text-display);font-size:clamp(5rem,10vw,8rem);font-weight:600;color:#dcd6d1;margin-bottom:1rem}.empty-title{font-family:var(--text-display);font-size:1.5rem;font-weight:600;color:var(--ink);margin-bottom:.5rem}.empty-subtitle{color:var(--ink-faint);font-size:.95rem}.grid{max-width:1300px;margin:0 auto;overflow-x:auto}.column-header{display:grid;grid-template-columns:minmax(5rem,7rem) repeat(4,1fr);gap:clamp(.5rem,1.5vw,1rem);margin-bottom:1rem;padding-bottom:.75rem;border-bottom:1px solid oklch(.88 .01 70)}.column-header-corner{min-height:1px}.language{font-size:clamp(.9rem,1.2vw,1.1rem);font-weight:700;text-align:center;padding:.8rem .5rem;border-radius:10px;line-height:1.2;transition:transform .2s var(--ease-out-quart)}.language:hover{transform:translateY(-2px)}.language.chinese{background:linear-gradient(135deg,var(--zh-surface) 0%,var(--zh-soft) 100%);color:var(--zh);border:1px solid var(--zh-border);box-shadow:0 2px 8px #944a461a}.language.japanese{background:linear-gradient(135deg,var(--ja-surface) 0%,var(--ja-soft) 100%);color:var(--ja);border:1px solid var(--ja-border);box-shadow:0 2px 8px #0663571a}.language.korean{background:linear-gradient(135deg,var(--ko-surface) 0%,var(--ko-soft) 100%);color:var(--ko);border:1px solid var(--ko-border);box-shadow:0 2px 8px #4d50811a}.language.vietnamese{background:linear-gradient(135deg,var(--vi-surface) 0%,var(--vi-soft) 100%);color:var(--vi);border:1px solid var(--vi-border);box-shadow:0 2px 8px #546c3a1a}.row{--stagger: 0;display:grid;grid-template-columns:minmax(5rem,7rem) repeat(4,1fr);gap:clamp(.5rem,1.5vw,1rem);margin-bottom:.75rem;padding:clamp(.75rem,1.5vw,1rem);background:#fff;border-radius:14px;border:1px solid oklch(.92 .008 70);animation:fadeUp .5s var(--ease-out-quart) backwards;animation-delay:calc(.08s + var(--stagger) * 35ms);transition:transform .25s var(--ease-out-quart),box-shadow .25s var(--ease-out-quart)}.row:hover{transform:translateY(-3px);box-shadow:0 12px 40px #0f171f1a}.meaning{font-weight:700;font-size:.75rem;text-transform:uppercase;letter-spacing:.1em;color:var(--ink-muted);display:flex;align-items:center;justify-content:center;text-align:center;padding:0 .25rem}.cell{padding:.85rem .6rem;border-radius:12px;display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:5.8rem;transition:transform .2s var(--ease-out-quart)}.cell:hover{transform:scale(1.02)}.cell.chinese{background:linear-gradient(145deg,var(--zh-surface) 0%,white 100%);border:1px solid var(--zh-border)}.cell.japanese{background:linear-gradient(145deg,var(--ja-surface) 0%,white 100%);border:1px solid var(--ja-border)}.cell.korean{background:linear-gradient(145deg,var(--ko-surface) 0%,white 100%);border:1px solid var(--ko-border)}.cell.vietnamese{background:linear-gradient(145deg,var(--vi-surface) 0%,white 100%);border:1px solid var(--vi-border)}.word{font-size:clamp(1.45rem,1rem + 1vw,1.85rem);font-weight:700;color:var(--ink);margin-bottom:.3rem;line-height:1.2}.pronunciation{font-size:.8rem;color:var(--ink-muted);margin-bottom:.55rem;font-style:italic}.play-button{display:inline-flex;align-items:center;justify-content:center;width:2.1rem;height:2.1rem;background:var(--ink);border:none;color:#fff;border-radius:50%;cursor:pointer;transition:transform .2s var(--ease-out-quart),background .2s,box-shadow .2s}.play-button:hover:not(:disabled){transform:scale(1.12);background:var(--zh);box-shadow:0 4px 16px #9c433f4d}.play-button:active:not(:disabled){transform:scale(.95)}.play-button:focus-visible{outline:2px solid var(--zh);outline-offset:3px}.play-button:disabled{opacity:.5;cursor:wait}.footer{background:linear-gradient(180deg,#0f171f,#050c13);color:#c2bdb7;padding:clamp(2.5rem,5vw,4rem)}.footer-content{max-width:600px;margin:0 auto;text-align:center}.footer-seal{display:inline-flex;align-items:center;justify-content:center;width:4rem;height:4rem;font-family:var(--text-display);font-size:2rem;font-weight:700;color:#f8efee;background:#9c433f99;border-radius:6px;margin-bottom:1.75rem;transform:rotate(-3deg)}.footer p{font-size:.9rem;margin-bottom:.5rem;line-height:1.6}.footer-note{font-size:.8rem;opacity:.7;letter-spacing:.08em;margin-top:.75rem}@media (max-width: 900px){.hero-content{grid-template-columns:1fr;text-align:center}.featured-char-container{min-height:300px;order:-1}.char-glyph{font-size:clamp(10rem,32vw,14rem)}.hero-subtitle{margin-left:auto;margin-right:auto}.hero-meta{justify-content:center}.seal{top:8%;right:5%}}@media (max-width: 700px){.seal,.column-header-corner,.meaning{display:none}.column-header,.row{display:flex;flex-direction:column;gap:.5rem}.language{margin-bottom:.25rem}.cell{flex-direction:row;justify-content:space-between;align-items:center;min-height:unset;padding:.7rem .85rem}.word{margin-bottom:0;font-size:1.4rem}.pronunciation{margin-bottom:0;flex:1;text-align:left;margin-left:.85rem}}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}