:root{--sky: #c7eff7;--mint: #c8f3d8;--pond: #397c8f;--leaf: #3d9a6c;--ink: #173243;--soft-ink: #5f7782;--cream: #fffdf4;--line: rgba(36, 95, 110, .18);--yellow: #ffd86f;--coral: #ff8c70;--white: #ffffff;--shadow: 0 18px 50px rgba(30, 105, 128, .16);--radius: 24px;font-family:Avenir Next,Trebuchet MS,PingFang SC,Microsoft YaHei,sans-serif;color:var(--ink);background:var(--sky)}*{box-sizing:border-box}html,body,#app{min-height:100%;margin:0}body{min-width:320px;background:linear-gradient(135deg,#c7eff7f2,#c8f3d8e6),repeating-linear-gradient(45deg,rgba(255,255,255,.25) 0 1px,transparent 1px 22px)}button,input,select,textarea{font:inherit}button{border:0;cursor:pointer}button:disabled{cursor:not-allowed;opacity:.52}a{color:inherit;text-decoration:none}h1,h2,h3,p{margin:0}.surface{border:1px solid var(--line);border-radius:var(--radius);background:#ffffffc7;box-shadow:var(--shadow);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.eyebrow{color:var(--leaf);font-size:.78rem;font-weight:800;letter-spacing:0;text-transform:uppercase}.muted{color:var(--soft-ink)}.message{margin-top:16px;font-size:.95rem}.message.error{color:#9d3428;font-weight:700}.brand-row{display:flex;align-items:center;gap:18px}.egg-buddy{position:relative;width:86px;height:76px;flex:0 0 auto;border:4px solid #245f6e;border-radius:52% 48% 46% 54%/58% 54% 46% 42%;background:radial-gradient(circle at 28% 32%,#ffffff 0 9px,transparent 10px),radial-gradient(circle at 76% 26%,#f9e77a 0 12px,transparent 13px),linear-gradient(145deg,#fefefe,#bff4ff 62%,#8be4c0);box-shadow:0 10px #245f6e1f;transform:rotate(-4deg)}.egg-buddy:before,.egg-buddy:after{position:absolute;top:33px;width:9px;height:13px;border-radius:50%;background:#173243;content:""}.egg-buddy:before{left:28px}.egg-buddy:after{right:28px}.egg-buddy span{position:absolute;left:34px;bottom:16px;width:18px;height:8px;border:3px solid #173243;border-top:0;border-radius:0 0 20px 20px}.egg-buddy.small{width:64px;height:58px;border-width:3px}.egg-buddy.small:before,.egg-buddy.small:after{top:25px;width:7px;height:10px}.egg-buddy.small:before{left:20px}.egg-buddy.small:after{right:20px}.egg-buddy.small span{left:25px;bottom:12px;width:14px;height:6px}.kid-shell{min-height:100vh;padding:clamp(20px,4vw,56px)}.kid-start{width:min(1120px,100%);margin:0 auto;padding:clamp(26px,5vw,64px)}.kid-start h1,.stage-header h1{margin-top:4px;color:var(--ink);font-size:clamp(2.3rem,7vw,4.8rem);font-weight:900;line-height:1}.start-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:28px;margin:48px 0 34px}.field{display:grid;gap:10px}.field>span{color:var(--soft-ink);font-size:1.05rem;font-weight:800}select,input,textarea{width:100%;border:2px solid rgba(57,124,143,.18);border-radius:18px;background:#ffffffeb;color:var(--ink);outline:none;transition:border-color .18s ease,box-shadow .18s ease}select,input{min-height:64px;padding:0 20px;font-size:1.08rem}.kid-start select{min-height:76px;font-size:clamp(1.24rem,2.6vw,1.65rem);font-weight:900}textarea{min-height:170px;padding:16px 18px;resize:vertical}select:focus,input:focus,textarea:focus{border-color:#3d9a6cb8;box-shadow:0 0 0 5px #3d9a6c21}.segmented{display:grid;grid-template-columns:1fr 1fr;gap:12px}.segment,.primary-action,.control-button,.voice-toggle,.ghost-link,.danger-button,.inline-form button{display:inline-flex;align-items:center;justify-content:center;gap:10px;border-radius:18px;font-weight:900;transition:transform .16s ease,box-shadow .16s ease,background .16s ease}.segment{min-height:76px;background:#ffffffb8;color:var(--pond);font-size:1.08rem}.segment.active{background:#245f6e;color:var(--white);box-shadow:0 12px 24px #245f6e2e}.primary-action{width:100%;min-height:92px;padding:0 28px;background:linear-gradient(135deg,#1f8aa7,#43b97e);color:var(--white);font-size:1.48rem;box-shadow:0 18px 34px #1f8aa73d}.primary-action.compact{min-height:58px;width:auto;font-size:1rem}.primary-action:not(:disabled):active,.control-button:not(:disabled):active,.segment:not(:disabled):active,.voice-toggle:not(:disabled):active,.ghost-link:not(:disabled):active{transform:translateY(2px) scale(.99)}.dictation-stage{width:min(1240px,100%);margin:0 auto}.stage-header,.admin-topbar,.pane-title{display:flex;align-items:center;justify-content:space-between;gap:16px}.remaining-pill{min-width:172px;padding:17px 22px;border:2px solid rgba(36,95,110,.14);border-radius:999px;background:#ffffffbd;color:var(--pond);font-size:1.28rem;font-weight:900;text-align:center}.progress-track{height:18px;margin:26px 0 24px;overflow:hidden;border:2px solid rgba(36,95,110,.13);border-radius:999px;background:#ffffffb8}.progress-fill{height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--yellow),#67d390,#66c7f0);transition:width .25s ease}.answer-zone{display:grid;min-height:240px;place-items:center;padding:28px;text-align:center}.hidden-word{display:grid;width:min(760px,100%);min-height:132px;place-items:center;margin-top:14px;border:3px dashed rgba(57,124,143,.28);border-radius:22px;color:var(--soft-ink);font-size:clamp(1.45rem,4vw,3.4rem);font-weight:900}.hidden-word.revealed{border-style:solid;background:#fff8d7;color:var(--ink)}.control-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:22px}.control-button{min-height:128px;padding:20px;border:2px solid rgba(36,95,110,.12);background:#fffc;color:var(--pond);font-size:clamp(1.12rem,2.6vw,1.52rem)}.control-button.next{background:#245f6e;color:var(--white)}.control-button.answer{background:#fff4c6;color:#866100}.control-button.finish{background:#eafff1;color:#20714a}.voice-panel{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:18px;padding:20px;font-size:1.05rem}.voice-panel small{display:block;margin-top:4px;color:var(--soft-ink)}.voice-toggle{min-width:118px;min-height:58px;background:#245f6e1a;color:var(--pond);font-size:1rem}.voice-toggle.listening{background:var(--coral);color:var(--white)}.admin-shell{min-height:100vh;padding:clamp(16px,3vw,34px)}.login-panel{width:min(520px,100%);margin:8vh auto 0;padding:34px}.login-form{display:grid;gap:18px;margin-top:28px}.admin-workspace{width:min(1320px,100%);margin:0 auto}.admin-topbar h1{margin-top:4px;font-size:clamp(1.8rem,3vw,3rem)}.topbar-actions{display:flex;flex-wrap:wrap;gap:10px;justify-content:flex-end}.ghost-link,.danger-button,.inline-form button{min-height:44px;padding:0 14px;border:1px solid rgba(36,95,110,.14);background:#ffffffb8;color:var(--pond)}.danger-button{color:#9d3428}.admin-tabs{display:inline-flex;gap:8px;margin:26px 0 18px;padding:6px;border:1px solid var(--line);border-radius:18px;background:#ffffff8f}.admin-tabs button{min-height:46px;padding:0 22px;border-radius:13px;background:transparent;color:var(--pond);font-weight:900}.admin-tabs button.active{background:#245f6e;color:var(--white)}.admin-grid{display:grid;grid-template-columns:minmax(250px,320px) minmax(0,1fr);gap:18px;align-items:start}.unit-pane,.words-pane,.sessions-pane{padding:22px}.pane-title h2{font-size:1.45rem}.pane-title span{display:inline-grid;min-width:34px;height:34px;place-items:center;border-radius:999px;background:var(--yellow);font-weight:900}.inline-form{display:grid;grid-template-columns:1fr 52px;gap:10px;margin:18px 0}.unit-list{display:grid;gap:10px}.unit-item,.session-row{width:100%;border-radius:16px;background:#ffffffa8;color:var(--ink);text-align:left}.unit-item{display:grid;gap:4px;padding:14px 16px}.unit-item span{font-weight:900}.unit-item small,.session-row small{color:var(--soft-ink)}.unit-item.active,.session-row.active{background:#245f6e;color:var(--white)}.unit-item.active small,.session-row.active small{color:#fffc}.bulk-form{display:grid;gap:14px;margin:22px 0}.word-list{display:grid;gap:10px}.word-row{display:grid;grid-template-columns:48px 1fr 48px;gap:10px;align-items:center}.word-index{display:grid;height:44px;place-items:center;border-radius:14px;background:#245f6e1a;color:var(--pond);font-weight:900}.word-row input{min-height:48px}.word-row button{display:grid;height:48px;place-items:center;border-radius:14px;background:#ff8c7021;color:#9d3428}.sessions-pane{min-height:620px}.session-layout{display:grid;grid-template-columns:minmax(280px,430px) minmax(0,1fr);gap:18px;margin-top:18px}.session-table{display:grid;align-content:start;gap:10px}.session-row{display:grid;gap:5px;padding:16px}.session-row strong{font-size:1.05rem}.session-detail{min-height:420px;padding:18px;border:1px solid rgba(36,95,110,.13);border-radius:20px;background:#ffffff85}.session-detail h2{margin-top:4px}dl{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:18px 0}dt{color:var(--soft-ink);font-size:.82rem;font-weight:800}dd{margin:4px 0 0;font-weight:900}.event-list{display:grid;gap:8px;max-height:290px;overflow:auto;padding-top:12px;border-top:1px solid var(--line)}.event-list h3{font-size:1rem}.event-list p{color:var(--soft-ink);font-size:.92rem}.floating-error{position:fixed;right:20px;bottom:20px;max-width:min(420px,calc(100vw - 40px));padding:14px 18px;border-radius:18px;background:#fff4f0;box-shadow:var(--shadow)}@media(min-width:1000px)and (min-height:760px){:root{font-size:18px}.kid-shell{display:grid;align-items:center;padding:clamp(34px,4vw,72px)}.kid-start{width:min(1180px,100%)}.kid-start h1{font-size:clamp(4.4rem,7vw,6.4rem)}.dictation-stage{width:min(1280px,100%)}.stage-header h1{font-size:clamp(5.2rem,8vw,7.4rem)}.progress-track{height:22px;margin:30px 0 28px}.answer-zone{min-height:285px}.control-button{min-height:148px}.admin-shell{padding:clamp(30px,3.5vw,56px)}.login-panel{width:min(640px,100%);padding:44px}.admin-workspace{width:min(1420px,100%)}.admin-grid{grid-template-columns:minmax(320px,380px) minmax(0,1fr);gap:24px}.unit-pane,.words-pane,.sessions-pane{padding:28px}.session-layout{grid-template-columns:minmax(360px,500px) minmax(0,1fr);gap:24px}.unit-item,.session-row{padding:18px}.word-row{grid-template-columns:56px 1fr 56px}.word-index,.word-row button{height:54px}.word-row input{min-height:54px}}@media(max-width:820px){.kid-shell,.admin-shell{padding:14px}.brand-row{gap:12px}.egg-buddy{width:68px;height:62px}.stage-header,.admin-topbar,.pane-title,.voice-panel{align-items:stretch;flex-direction:column}.remaining-pill{width:100%}.control-grid,.admin-grid,.session-layout,dl{grid-template-columns:1fr}.control-button{min-height:88px}.topbar-actions{justify-content:stretch}.topbar-actions>*{flex:1 1 160px}}@media(max-width:520px){.segmented{grid-template-columns:1fr}.kid-start,.login-panel,.unit-pane,.words-pane,.sessions-pane{padding:18px}.word-row{grid-template-columns:40px 1fr 44px}}