:root{--panel-rgb: 255, 255, 255;--bg: #fff8fb;--bg-cool: #edf8ff;--surface: rgba(var(--panel-rgb), .86);--surface-strong: rgba(var(--panel-rgb), .96);--surface-soft: rgba(var(--panel-rgb), .58);--surface-muted: rgba(238, 247, 255, .84);--text: #4b4061;--muted: #695f83;--border: rgba(118, 100, 164, .16);--border-strong: rgba(118, 100, 164, .28);--primary: #3b6b94;--primary-hover: #2f5d83;--primary-soft: rgba(102, 200, 244, .18);--admin: #8c73d7;--accent: #d978a5;--success: #277a62;--success-soft: rgba(214, 246, 235, .88);--danger: #a85670;--danger-soft: rgba(255, 235, 241, .92);--shadow: 0 26px 68px rgba(173, 147, 214, .18);--soft-shadow: 0 16px 40px rgba(103, 128, 175, .12);--radius-lg: 28px;--radius-md: 22px;color:var(--text);background:var(--bg);font-family:IBM Plex Sans Thai,IBM Plex Sans,Noto Sans Thai,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe 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.brand{color:var(--text);margin-bottom:24px}.login-cover p,.login-cover .brand span{color:var(--muted)}.login-welcome h1{font-size:1.5rem;margin:4px 0 6px;color:var(--text)}.login-welcome p{color:var(--muted);margin:0;font-weight:600}.login-form{padding:32px 34px 36px;display:flex;flex-direction:column;justify-content:center}.login-cover-center{align-items:center;text-align:center;padding-bottom:30px}.login-brand-center{flex-direction:column;align-items:center;text-align:center;gap:10px;margin-bottom:0}.login-legal{margin-top:20px;padding-top:16px;border-top:1px solid var(--border);display:grid;gap:4px;text-align:center}.login-legal small{color:var(--muted);font-size:.74rem;line-height:1.4}.login-legal a{color:var(--primary)}.login-legal-link{background:none;border:none;color:var(--primary);font-weight:760;font-size:.82rem;cursor:pointer;padding:4px;text-decoration:underline}.legal-modal{width:min(620px,100%);text-align:left}.legal-modal h2{margin:0 44px 6px 0}.legal-modal h3{margin:16px 0 4px;font-size:1rem}.legal-modal p,.legal-modal li{line-height:1.6}.legal-modal ul{padding-left:20px;display:grid;gap:4px}.legal-intro{color:var(--muted)}.legal-foot{color:var(--muted);font-size:.8rem;margin-top:14px}.login-heading{display:flex;align-items:center;gap:12px;margin-bottom:22px;color:var(--text)}.login-heading p,.take-header p,.play-header p,.page-hero p,.section-header p,.brand span,small{color:var(--muted);margin-bottom:0}.take-panel,.play-card{padding:24px}.take-header,.play-header{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;border-bottom:1px solid var(--border);padding-bottom:18px;margin-bottom:18px}.play-header strong{min-width:max-content;color:var(--primary);background:var(--primary-soft);border-radius:999px;padding:8px 13px}.brand{display:flex;align-items:center;gap:12px;color:var(--text)}.brand strong{display:block;font-size:1.05rem}.brand.large strong{font-size:1.8rem}.eyebrow,.pill,.question-index{display:inline-flex;align-items:center;min-height:26px;padding:0 10px;border-radius:999px;color:var(--primary);background:var(--primary-soft);border:1px solid rgba(102,200,244,.22);font-size:.78rem;font-weight:800;margin-bottom:10px}.pill{margin-bottom:0;color:#655d79;background:rgba(var(--panel-rgb),.66);border-color:var(--border)}.test-type-pill{display:inline-flex;align-items:center;justify-content:center;min-height:25px;padding:0 10px;border:1px solid var(--border);border-radius:999px;font-size:.76rem;font-weight:850;line-height:1}.test-type-pill.pretest{color:#fff;background:#07815e;border-color:#065f465c;box-shadow:0 8px 18px #07815e38}.test-type-pill.posttest{color:#3f2a00;background:#ffd166;border-color:#b8770057;box-shadow:0 8px 18px #dc9a2138}.tone-pill{gap:7px;color:var(--tone-color);background:var(--tone-bg);border-color:var(--tone-border)}.tone-pill:before{content:"";width:7px;height:7px;border-radius:999px;background:var(--tone-color);opacity:.72}.form-grid{display:grid;gap:15px}label{display:grid;gap:7px;font-weight:740;color:var(--text)}input,select,textarea{width:100%;border:1px solid var(--border);border-radius:18px;padding:12px 14px;min-height:48px;background:rgba(var(--panel-rgb),.78);color:var(--text);outline:none;transition:border-color .14s ease,box-shadow .14s ease,background .14s ease}input:focus,select:focus,textarea:focus{border-color:#477ca873;background:var(--surface-strong);box-shadow:0 0 0 4px #66c8f429}textarea{min-height:112px;resize:vertical}.needs-school-flag{display:inline-block;margin-top:6px;font-size:.74rem;font-weight:800;color:var(--danger)}.secondary-button.active-filter{color:var(--danger);border-color:color-mix(in srgb,var(--danger) 45%,transparent);background:color-mix(in 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var(--border);border-radius:20px;padding:12px;font-weight:720;background:rgba(var(--panel-rgb),.62);color:var(--text);white-space:pre-line}.choice-list label{display:flex;align-items:flex-start;gap:10px}.choice-letter{width:28px;height:28px;min-width:28px;border-radius:50%;display:inline-grid;place-items:center;color:var(--primary);background:#66c8f429;font-weight:860}.choice-list input,.check-row 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strong{color:#fff;font-size:1.15rem;overflow-wrap:anywhere}.result-who span{color:#ffffffd9;font-size:.9rem;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.result-actions{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-top:16px}.share-button{display:inline-flex;align-items:center;gap:8px;min-height:46px;padding:0 20px;border-radius:999px;border:none;background:#fff;color:var(--take-accent);font-weight:850;box-shadow:0 10px 24px #0000002e}.share-button:disabled{opacity:.7}.result-actions .secondary-button{background:#ffffff2e;border-color:#fff6;color:#fff}.take-thankyou{display:grid;justify-items:center;gap:8px;text-align:center;padding:40px 24px calc(48px + env(safe-area-inset-bottom,0px));color:var(--text)}.take-thankyou .brand-logo{width:64px;height:64px;border-radius:18px;margin-bottom:6px}.take-thankyou svg{color:var(--take-accent)}.take-thankyou strong{font-size:1.35rem}.take-thankyou p{color:var(--muted);margin:0}.take-thankyou span{color:var(--muted);font-size:.9rem}.live-board-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}.live-board-count{font-weight:820;color:var(--primary);background:var(--primary-soft);border-radius:999px;padding:4px 12px;font-size:.85rem}.live-board-list{display:grid;gap:8px;max-height:460px;overflow:auto}.live-row{display:grid;grid-template-columns:36px minmax(0,1fr) auto;align-items:center;gap:10px;padding:9px 12px;border:1px solid var(--border);border-radius:14px;background:rgba(var(--panel-rgb),.55)}.live-row.submitted{border-color:color-mix(in srgb,var(--success) 40%,var(--border))}.live-rank{width:30px;height:30px;display:inline-grid;place-items:center;border-radius:50%;font-weight:860;background:rgba(var(--panel-rgb),.7);border:1px solid var(--border);color:var(--muted)}.live-rank.medal-1{background:linear-gradient(135deg,#ffd166,#f4a72c);color:#4a2e00;border:none}.live-rank.medal-2{background:linear-gradient(135deg,#e2e8f0,#b8c2cf);color:#36404d;border:none}.live-rank.medal-3{background:linear-gradient(135deg,#f0b489,#d98a5a);color:#4a2410;border:none}.live-who{min-width:0}.live-who strong{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.live-who small{color:var(--muted)}.live-score{text-align:right}.live-score strong{color:var(--success);font-size:1.05rem}.live-score small{display:block;color:var(--muted)}.live-status{color:var(--muted);font-weight:720;font-size:.88rem}.result-sticker{width:104px;height:104px;display:grid;place-items:center;border-radius:50%;font-size:3.2rem;line-height:1;margin-bottom:4px;background:#ffffff2e;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);box-shadow:0 12px 30px #00000038,inset 0 0 0 1.5px #fff6,0 0 30px #ffffff38;animation:stickerPop .6s cubic-bezier(.22,1.2,.4,1)}@keyframes stickerPop{0%{transform:scale(0) rotate(-12deg);opacity:0}60%{transform:scale(1.15) rotate(4deg)}to{transform:scale(1) rotate(0);opacity:1}}@media(prefers-reduced-motion:reduce){.result-sticker{animation:none}}.session-controls{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:14px}.session-note{color:var(--muted);font-weight:720;font-size:.88rem}@media(max-width:720px){.take-layout .result-panel{flex:1;margin-bottom:0;padding-bottom:calc(24px + env(safe-area-inset-bottom,0px));justify-content:center}.take-layout .exam-list{flex:1;display:flex;flex-direction:column;min-height:0;padding-bottom:calc(10px + env(safe-area-inset-bottom,0px))}.take-layout .exam-question{flex:1;min-height:0;overflow-y:auto;-webkit-overflow-scrolling:touch}.take-layout .student-actions{margin-top:10px;padding-top:10px;border-top:1px solid var(--border);background:transparent}.take-layout .take-header{padding:calc(16px + env(safe-area-inset-top,0px)) 18px 16px}.take-layout .take-header h1{font-size:1.2rem}.take-logo{width:38px;height:38px}}.poll-type-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:10px;margin-top:8px}.poll-type-card{display:grid;justify-items:start;gap:4px;padding:14px;border:1px solid var(--border);border-radius:16px;background:rgba(var(--panel-rgb),.55);text-align:left}.poll-type-card svg{color:var(--primary)}.poll-type-card strong{font-size:1rem}.poll-type-card span{color:var(--muted);font-size:.82rem}.poll-type-card.selected{border-color:var(--primary);background:var(--primary-soft);box-shadow:0 0 0 3px color-mix(in srgb,var(--primary) 22%,transparent)}.poll-options-edit{display:grid;gap:8px;margin-top:10px}.poll-presets{display:flex;flex-wrap:wrap;gap:8px;margin:6px 0}.selected-preset{border-color:var(--primary)!important;color:var(--primary)!important}.poll-presets button{width:auto;min-height:40px;padding:8px 16px;white-space:nowrap;font-size:.92rem;line-height:1.2}.poll-add-option{width:auto;justify-self:start;padding:8px 16px}.poll-run-grid{display:grid;grid-template-columns:280px minmax(0,1fr);gap:16px}.poll-qr{text-align:center;display:grid;gap:10px;justify-items:center;height:max-content}.poll-qr-box{background:#fff;padding:14px;border-radius:18px}.poll-vote-link{font-size:.78rem;color:var(--muted);word-break:break-all}.poll-bars{display:grid;gap:12px;margin:6px 0 4px}.poll-bar-head{display:flex;justify-content:space-between;gap:10px;margin-bottom:4px;font-weight:720}.poll-bar{height:22px;border-radius:999px;background:rgba(var(--panel-rgb),.5);border:1px solid var(--border);overflow:hidden}.poll-bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,#66c8f4,#8c73d7);transition:width .4s ease}.poll-total{color:var(--muted);font-weight:720;margin:4px 0 0}.poll-controls{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}.poll-list{display:grid;gap:8px}.poll-list-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px;align-items:center}.poll-list-main{text-align:left;border:1px solid var(--border);border-radius:14px;background:rgba(var(--panel-rgb),.55);padding:12px 14px;display:grid;gap:2px}.poll-list-main strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.poll-list-main small{color:var(--muted)}@media(max-width:720px){.poll-run-grid{grid-template-columns:1fr}}.vote-layout{min-height:100vh;min-height:100dvh;display:grid;place-items:center;padding:20px}.vote-card{width:min(560px,100%);background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);padding:26px 22px calc(26px + env(safe-area-inset-bottom,0px))}.vote-card h1{font-size:1.4rem;margin:6px 0 18px;overflow-wrap:anywhere}.vote-choices{display:grid;gap:12px}.vote-choices.yesno{grid-template-columns:1fr 1fr}.vote-choice-btn{min-height:60px;border-radius:18px;border:1px solid var(--border);background:rgba(var(--panel-rgb),.7);color:var(--text);font-weight:800;font-size:1.05rem;transition:transform .12s ease,border-color .14s ease,background .14s ease}.vote-choice-btn:hover{border-color:var(--primary);background:var(--primary-soft)}.vote-choice-btn:active{transform:scale(.98)}.vote-rating{display:grid;grid-template-columns:repeat(5,1fr);gap:10px}.vote-rating-btn{aspect-ratio:1;border-radius:16px;border:1px solid var(--border);background:rgba(var(--panel-rgb),.7);color:var(--text);font-weight:860;font-size:1.5rem}.vote-rating-btn:hover{border-color:var(--primary);background:var(--primary-soft)}.vote-emoji{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}.vote-emoji-btn{width:84px;height:84px;border-radius:22px;border:1px solid var(--border);background:rgba(var(--panel-rgb),.7);font-size:2.4rem}.vote-emoji-btn:hover{border-color:var(--primary);background:var(--primary-soft);transform:scale(1.05)}.vote-done{display:grid;justify-items:center;gap:8px;text-align:center}.vote-done svg{color:var(--success)}.vote-done strong{font-size:1.25rem}.vote-results{width:100%;display:grid;gap:12px;margin-top:12px}.vote-result-head{display:flex;justify-content:space-between;gap:10px;font-weight:720;margin-bottom:4px}.vote-bar{height:20px;border-radius:999px;background:rgba(var(--panel-rgb),.5);border:1px solid var(--border);overflow:hidden}.vote-bar i{display:block;height:100%;background:linear-gradient(90deg,#66c8f4,#8c73d7);transition:width .4s ease}.vote-total{color:var(--muted);text-align:center;font-weight:720}.checkin-grade{color:var(--muted);font-weight:720;margin:-8px 0 14px}.checkin-form{display:grid;gap:14px}.checkin-form label{display:grid;gap:6px;text-align:left;font-weight:640}.checkin-attendees{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0 4px}.checkin-chip{padding:6px 12px;border-radius:999px;background:rgba(var(--panel-rgb),.6);border:1px solid var(--border);font-weight:640;font-size:.92rem}.checkin-pick{display:grid;justify-items:center;gap:4px;text-align:center;padding:22px 18px;margin:6px 0 14px;border-radius:var(--radius-md);background:linear-gradient(135deg,#66c8f42e,#8c73d72e);border:1px solid var(--border)}.checkin-pick .eyebrow{display:inline-flex;align-items:center;gap:6px}.checkin-pick strong{font-size:2rem;line-height:1.1}.checkin-pick small{color:var(--muted);font-weight:640}.checkin-pick.spinning strong{opacity:.65}@media(prefers-reduced-motion:no-preference){.checkin-pick:not(.spinning) strong{animation:checkin-pop .36s ease}}@keyframes checkin-pop{0%{transform:scale(.8);opacity:0}60%{transform:scale(1.08)}to{transform:scale(1);opacity:1}}@media(max-width:720px){.take-layout.phase-exam .take-panel{height:100vh;height:100dvh;min-height:0;overflow:hidden}.take-layout.phase-exam .take-header{flex:0 0 auto;padding:calc(10px + env(safe-area-inset-top,0px)) 16px 10px}.take-layout.phase-exam .take-header .eyebrow,.take-layout.phase-exam .take-header p{display:none}.take-layout.phase-exam .take-header:after{display:none}.take-layout.phase-exam .take-header h1{font-size:1rem;line-height:1.25;margin:0;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}.take-layout.phase-exam .take-logo{width:30px;height:30px}.take-layout.phase-exam .exam-list{padding-top:12px}.take-layout.phase-exam .exam-question{padding:12px}.take-layout.phase-exam .question-nav{margin-bottom:10px}.qnav-dot{width:44px;height:44px;border-radius:13px;font-size:1rem}}.take-layout.phase-exam .take-header{display:none}.take-layout.phase-exam .exam-list{padding-top:calc(14px + env(safe-area-inset-top,0px))}.take-layout.phase-exam .exam-progress{background:transparent;border:none;border-radius:0;padding:0;margin-bottom:8px;gap:5px}.take-layout.phase-exam .exam-progress>span{font-size:.8rem;color:var(--muted);font-weight:760}.take-layout.phase-exam .exam-progress div{height:5px}.take-layout.phase-exam .timer-pill{min-height:26px;font-size:.8rem}