:root{font-family:'Microsoft JhengHei','PingFang TC',system-ui,sans-serif;color:#34204f;background:#faf7ff;--purple:#6835a1;--ink:#34204f;--line:#e3d9ef}*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at 8% 14%,#eee2ff 0,transparent 45%),#faf7ff}button,input,a{font:inherit}button,a,input{touch-action:manipulation}button{cursor:pointer;border:1px solid var(--line);border-radius:14px;padding:12px 18px;color:var(--ink);background:white;font-weight:700;min-height:46px}button:hover{background:#f0e7fc}button:disabled{opacity:.6;cursor:wait}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #e3a300;outline-offset:4px}[hidden]{display:none!important}.topbar{display:flex;justify-content:space-between;align-items:center;gap:16px;max-width:1220px;margin:auto;padding:20px 36px;border-bottom:1px solid var(--line)}.brand{display:flex;gap:12px;align-items:center}.brand img{width:49px;height:60px;object-fit:contain}.brand small{display:block;font-weight:bold;font-size:14px;letter-spacing:2px;color:#76518d}.brand strong{font-size:23px}.topbar nav{display:flex;gap:8px}.topbar nav button{font-size:14px;padding:9px 12px}main{max-width:1150px;margin:0 auto;padding:28px 30px 44px}h1{font-size:36px;line-height:1.4;margin:10px 0}h2{font-size:26px;margin:10px 0 18px}p{line-height:1.7;color:#6b577a}label{display:block;font-weight:bold;margin:16px 0 8px}input:not([type=checkbox]):not([type=hidden]){display:block;width:100%;border:1.5px solid #cdbdde;border-radius:12px;margin-top:8px;padding:13px 14px;background:white;font-size:17px;color:var(--ink)}input:disabled{background:#f4f0f8!important}input[type=checkbox]{width:22px;height:22px;accent-color:var(--purple);flex-shrink:0}.inline{display:flex;align-items:center;gap:10px;font-weight:500}.primary{background:var(--purple);color:white;border-color:var(--purple);box-shadow:0 4px 0 #45226d}.primary:hover{background:#55278b}.wide{width:100%}.card{background:white;border:1px solid var(--line);border-radius:24px;box-shadow:0 10px 28px #40266508}.eyebrow{font-size:14px;font-weight:800;letter-spacing:2px;color:#8054a3}.login-layout{display:grid;grid-template-columns:1.1fr 1fr;align-items:center;gap:70px;min-height:65vh}.login-card{padding:30px 34px;max-width:450px}.welcome-art h1{font-size:48px}.welcome-art p{font-size:19px}.friends{display:flex;gap:14px;align-items:flex-end;margin-top:20px}.friends img{width:85px;height:140px;object-fit:contain;animation:bob 4s ease-in-out infinite}.friends img:nth-child(2){width:160px;height:180px;animation-delay:.6s}.friends img:nth-child(3){animation-delay:1.2s}.fine{font-size:14px;color:#766383}.error{color:#ad293b;font-size:15px;min-height:1em}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:24px;margin:8px 0 28px}.section-heading>img{height:135px;width:140px;object-fit:contain}.section-heading p{margin:8px 0}.game-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:26px}.game-card{background:white;border:2px solid #e1d3f0;border-radius:28px;overflow:hidden;box-shadow:0 7px 0 #e9dff2;transition:transform .2s}.game-card:hover{transform:translateY(-5px)}.game-card .scene{position:relative;padding:24px;background:#efe4fc;min-height:160px;display:flex;align-items:center;justify-content:space-between}.game-card.blue{border-color:#c4e1ef;box-shadow:0 7px 0 #d9eaf2}.blue .scene{background:#e0f3ff}.scene img{height:125px;width:120px;object-fit:contain;transform:rotate(4deg)}.page-chip{background:white;border-radius:10px;font-weight:800;padding:6px 12px;font-size:14px;display:inline-block}.game-symbols{font-size:36px;letter-spacing:6px;font-weight:bold;color:var(--purple);margin-top:20px}.blue .game-symbols{color:#087baa}.game-body{padding:22px 26px}.game-body h2{margin:0 0 8px}.game-body p{margin:6px 0}.skill{font-size:14px;color:#81638b}.game-meta{display:flex;justify-content:space-between;margin:20px 0;color:#976800;font-weight:bold;font-size:14px}.play-link{display:block;background:var(--purple);color:white;padding:15px;text-align:center;border-radius:14px;font-weight:bold;font-size:18px}.blue .play-link{background:#087baa}.lesson-note{display:flex;align-items:center;justify-content:center;gap:18px;margin-top:34px;padding:18px}.lesson-note img{width:44px;height:62px;object-fit:contain}.lesson-note p{margin:4px 0;font-size:15px}.admin-summary{display:flex;gap:20px;margin-bottom:24px}.admin-summary>div{background:#efe6fa;border-radius:18px;padding:18px 24px;min-width:170px}.admin-summary strong{font-size:28px;display:block}.search-label{max-width:360px;margin-bottom:20px}.table-wrap{overflow:auto}table{border-collapse:collapse;width:100%;text-align:left;white-space:nowrap}th,td{padding:19px 20px;border-bottom:1px solid #eee7f5;font-size:15px}th{background:#f4eefa}td small{display:block;color:#7f6d8a;margin-top:4px}.tag{display:inline-block;border-radius:8px;padding:5px 9px;margin:3px;background:#eee5fa;font-size:14px}.active{color:#237c58;background:#e1f5e8}.inactive{color:#9d4e50;background:#ffeded}.empty{text-align:center;padding:35px}.empty h2{font-size:23px}dialog{border:1px solid var(--line);border-radius:24px;width:min(540px,calc(100% - 28px));max-height:90dvh;overflow:auto;padding:26px;color:var(--ink);box-shadow:0 20px 90px #2c164b55}dialog::backdrop{background:#29163e77;backdrop-filter:blur(3px)}.dialog-top{display:flex;align-items:center;justify-content:space-between;gap:16px}.dialog-top h2{margin:0;font-size:24px}.dialog-top button{font-size:24px;padding:4px 14px}.dialog-actions{display:flex;justify-content:flex-end;gap:12px;margin-top:24px}fieldset{border:1px solid var(--line);border-radius:14px;margin-top:22px;padding:10px 16px}legend{font-weight:bold;padding:0 8px}fieldset label{font-size:16px}footer{text-align:center;padding:24px;color:#867293;font-size:14px}#status{margin:0 0 18px;min-height:0}#status:empty{display:none}@keyframes bob{50%{transform:translateY(-9px) rotate(3deg)}}@media(max-width:760px){.topbar{padding:15px 18px;flex-wrap:wrap}.brand strong{font-size:21px}main{padding:20px 18px}.login-layout{gap:24px;grid-template-columns:1fr}.welcome-art{display:none}.login-card{margin:auto;width:100%}.game-cards{grid-template-columns:1fr}.section-heading h1{font-size:28px}.section-heading>img{height:94px;width:90px}.section-heading{gap:14px}.admin-summary{gap:10px}.admin-summary>div{min-width:0;flex:1;padding:14px}.topbar nav{flex-wrap:wrap}.lesson-note{padding:10px}.scene img{height:100px}.section-heading:has(#new-student){align-items:flex-start;flex-direction:column}}@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}
.game-card.green{border-color:#cde1b4;box-shadow:0 7px 0 #e1edcf}.green .scene{background:#eff7df}.green .game-symbols{color:#547c29}.green .play-link{background:#547c29}

.game-card.gold{border-color:#ead59c;box-shadow:0 7px 0 #f0e4c2}.gold .scene{background:#fff1c8}.gold .game-symbols{color:#9c6500}.gold .play-link{background:#97600d}