@charset "UTF-8";
:root{--bg:#f7f7f0;--paper:#fffef9;--text:#303b32;--muted:#8b9186;--green:#54725a;--sage:#e8eddf;--border:#e5e7dc;--sand:#f0e8d7;--lavender:#ebe7ef;--radius:22px}
*{box-sizing:border-box}body{margin:0;color:var(--text);background:#eae9df;font-family:"Pretendard","Apple SD Gothic Neo","Malgun Gothic",sans-serif;font-size:14px;line-height:1.6;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit}button:disabled{opacity:1;cursor:default}a:focus-visible,button:focus-visible{outline:3px solid #779378;outline-offset:4px}h1,h2,h3,p{margin:0}h1{font-size:22px;line-height:1.45;letter-spacing:-.7px;font-weight:700}h2{font-size:15px;letter-spacing:-.4px}h3{font-size:14px}.app{max-width:480px;margin:auto;min-height:100dvh;background:var(--bg);position:relative;box-shadow:0 0 80px #303b320a}.header{position:sticky;top:0;z-index:10;height:52px;padding:0 24px;display:flex;align-items:center;justify-content:space-between;gap:12px;background:var(--bg);border-bottom:1px solid var(--border);transition:transform .2s ease}.header.is-hidden{transform:translateY(-100%)}.header:focus-within{transform:translateY(0)}.brand{font-family:Arial,"Malgun Gothic",sans-serif;font-size:21px;font-weight:800;letter-spacing:-.7px;line-height:1}.profile-dot{width:31px;height:31px;border-radius:50%;background:var(--sage);display:grid;place-items:center;color:var(--green);font-size:12px;font-weight:700}main{padding:20px 24px 115px}.page-heading{display:flex;align-items:center;justify-content:space-between;margin:0 0 20px}.green{color:var(--green)}.muted{color:var(--muted)}.tiny{font-size:10px}.card{background:var(--paper);border:1px solid var(--border);border-radius:var(--radius);padding:21px;margin-bottom:14px}.section-title{display:flex;align-items:center;justify-content:space-between;gap:8px}.badge{font-size:9px;background:var(--sage);border-radius:20px;padding:4px 9px;color:var(--green)}.overview{padding-bottom:15px}.hero-number{font-size:44px;letter-spacing:-2px;line-height:1.3;margin-top:12px;font-weight:600;font-variant-numeric:tabular-nums}.hero-number span{font-size:14px;font-weight:400;letter-spacing:0;margin:0 5px}.week-chart{display:flex;height:93px;gap:22px;margin:15px 6px 12px;align-items:stretch}.week-chart>div{flex:1;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;gap:7px}.week-chart i{display:block;width:100%;max-width:23px;height:var(--bar);min-height:8px;border-radius:5px 5px 2px 2px;background:#e8ebdf}.week-chart span{font-size:9px;color:var(--muted)}.week-chart .today i{background:var(--green)}.week-chart .today span{color:var(--green);font-weight:700}.card-foot{border-top:1px solid var(--border);padding-top:12px;display:flex;justify-content:space-between;gap:8px;font-size:9px}.two-columns{display:grid;grid-template-columns:1fr 1fr;gap:14px}.mini-card{padding:18px}.mini-icon{width:32px;height:32px;display:inline-grid;place-items:center;border-radius:10px;font-size:20px;margin-bottom:12px}.sand{background:var(--sand)}.sage{background:var(--sage)}.lavender{background:var(--lavender)}.mini-card>.muted{font-size:11px}.metric{font-size:25px;letter-spacing:-1px;font-weight:650;margin:3px 0 8px}.metric span{font-size:10px;color:var(--muted);letter-spacing:0;font-weight:400}.progress{height:5px;border-radius:5px;background:#ebeee5;margin:11px 0 8px;overflow:hidden}.progress i{display:block;height:100%;background:#8ea17f;border-radius:5px}.subject-tags{display:flex;gap:5px;margin-top:11px}.subject-tags span{font-size:8px;padding:2px 6px;background:#f2f0e9;border-radius:4px}.school-link{display:flex;gap:13px;align-items:center;padding:14px 18px}.school-link .mini-icon{margin:0}.school-link strong{font-size:12px}.arrow{margin-left:auto;color:var(--green);font-size:18px}.briefing{background:#eef1e6;border-color:#e2e8d8}.briefing p{font-size:12px;line-height:1.9;margin-top:13px;letter-spacing:-.25px}.briefing-foot{display:flex;justify-content:space-between;align-items:center;margin-top:12px}.briefing-foot a{display:grid;place-items:center;width:25px;height:25px;border:1px solid #ced8c5;border-radius:50%}.agent-bar{display:flex;align-items:center;gap:10px;border:1px solid #d9dece;background:#fafbf6;border-radius:50px;padding:11px 15px;margin-top:21px;font-size:11px;color:#747f6d}.agent-orb{display:grid;place-items:center;background:var(--green);color:#fff;width:25px;height:25px;border-radius:50%;font-size:20px}.agent-bar a{margin-left:auto;font-size:19px}.demo-note{text-align:center;font-size:8px;letter-spacing:1px;color:#a0a596;margin-top:18px}.bottom-nav{position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:min(100%,480px);background:#fafbf5f5;border-top:1px solid var(--border);display:grid;grid-template-columns:repeat(5,1fr);padding:12px 15px max(14px,env(safe-area-inset-bottom));z-index:5;backdrop-filter:blur(16px)}.bottom-nav>a{font-size:9px;color:#959c8e;display:flex;flex-direction:column;align-items:center;gap:3px;line-height:1.5}.bottom-nav>a>span{font-size:24px;line-height:30px;height:30px;font-family:Arial,sans-serif}.bottom-nav>a[aria-current]{color:var(--green);font-weight:700}.study-camera{display:flex;flex-direction:column;align-items:center;padding:14px 0 25px}.camera-graphic{width:65px;height:65px;border-radius:50%;background:var(--sage);display:grid;place-items:center;position:relative}.camera-graphic svg{width:30px;stroke:var(--green);fill:none;stroke-width:1.5}.status-dot{position:absolute;width:9px;height:9px;background:#9daf8b;border:2px solid var(--bg);border-radius:50%;right:3px;bottom:5px}.study-camera p{font-size:10px;color:var(--muted);margin-top:10px}.study-stat .metric{font-size:29px;margin:7px 0 0}.study-stat{padding:17px}.chart-large{height:142px;gap:28px;margin:25px 10px 5px}.pill-button{display:block;margin:24px auto;border:1px solid var(--border);border-radius:30px;background:var(--paper);padding:7px 17px;font-size:11px}.timer-panel{border-radius:50px;background:var(--sage);padding:19px 22px;display:flex;align-items:center;gap:10px}.timer{font-size:34px;letter-spacing:1px;font-variant-numeric:tabular-nums;line-height:1.3;font-weight:500;margin-right:auto}.round-button{border:1px solid #bcc9af;border-radius:50%;width:34px;height:34px;background:transparent;display:grid;place-items:center;font-size:12px}.round-button.solid{background:var(--green);color:#fff;border-color:var(--green)}.model-selector{display:inline-flex;align-items:center;gap:8px;background:var(--paper);border:1px solid var(--border);padding:9px 13px;border-radius:30px;font-size:11px;margin-bottom:18px}.model-dot{width:7px;height:7px;border-radius:50%;background:#8fa681}.chat-card{min-height:415px;padding:20px 16px;background:var(--paper);border:1px solid var(--border);border-radius:22px}.chat-date{text-align:center;font-size:9px;color:var(--muted);margin-bottom:25px}.message{display:flex;align-items:flex-start;gap:9px;margin-bottom:23px}.chat-avatar{flex-shrink:0;width:25px;height:25px;background:var(--sage);color:var(--green);display:grid;place-items:center;border-radius:9px;font-size:17px}.bubble{background:#f1f2e9;border-radius:0 15px 15px 15px;padding:14px;font-size:11px;line-height:1.9;max-width:85%}.message.user{justify-content:flex-end}.message.user .bubble{background:var(--sand);border-radius:15px 0 15px 15px}.suggestions{display:flex;gap:7px;flex-wrap:wrap;margin-left:34px}.suggestions span{font-size:10px;border:1px solid var(--border);border-radius:20px;padding:6px 10px;color:#808b74}.composer{border:1px solid #d9dece;border-radius:30px;display:flex;align-items:center;gap:10px;padding:14px 16px;margin-top:18px;color:var(--muted);font-size:11px;background:var(--paper)}.composer .send{margin-left:auto;background:var(--green);color:#fff;width:28px;height:28px;border:0;border-radius:50%}.school-intro{display:flex;justify-content:space-between;align-items:center;margin:0 0 21px}.school-intro h2{font-size:20px}.school-intro p{font-size:10px}.schedule{display:grid;grid-template-columns:28px repeat(5,1fr);gap:4px;font-size:9px;text-align:center;margin-top:17px}.schedule span{padding:9px 1px;border-radius:6px}.schedule .lesson{background:var(--sage);color:var(--green)}.schedule .alt{background:var(--sand);color:#8b795e}.schedule .day{color:var(--muted);padding:3px}.meal-menu{list-style:none;padding:0;margin:15px 0 0}.meal-menu li{font-size:11px;padding:6px 0;border-bottom:1px solid #efeee7}.meal-menu li:last-child{border:0}.meal-kcal{font-size:9px;color:var(--muted);margin-top:13px}.portal-link{display:flex;align-items:center;gap:12px}.portal-link .mini-icon{margin:0}.portal-link p{font-size:10px;color:var(--muted);margin-top:2px}.ranking-row{display:flex;gap:10px;align-items:center;padding:13px 0;border-bottom:1px solid var(--border);font-size:11px}.ranking-row:last-child{border:0;padding-bottom:0}.ranking-row .rank{width:17px;color:var(--muted);font-size:11px}.ranking-row .time{margin-left:auto;font-size:10px;color:var(--muted)}.avatar-small{width:29px;height:29px;border-radius:50%;display:grid;place-items:center;background:var(--sand);font-size:11px}.ranking-row.me{color:var(--green);font-weight:700}.character-card{height:280px;background:#eeefe3;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center}.character-card:after{content:"";position:absolute;width:240px;height:240px;border:1px solid #dce1ce;border-radius:50%;top:22px;left:50%;transform:translateX(-50%)}.character{width:190px;height:225px;z-index:1}.character-note{position:absolute;bottom:15px;left:18px;font-size:9px;letter-spacing:1px;color:var(--green)}.coin{position:absolute;right:17px;top:17px;border-radius:20px;padding:5px 10px;font-size:10px;background:#fffdf3}.play-tile{min-height:115px}.play-tile p{font-size:10px;color:var(--muted);margin-top:5px}.tile-emoji{font-size:23px;display:block;margin-bottom:10px}.quiet-card{text-align:center;padding:24px 18px}.quiet-card h2{font-size:13px;margin-top:7px}.quiet-card p{font-size:10px;color:var(--muted);margin-top:5px}.ft-label{font-size:10px;letter-spacing:1px;color:var(--green)}.account-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:23px}.settings{border:1px solid var(--border);background:var(--paper);border-radius:50%;width:33px;height:33px;font-size:18px}.profile-card{display:flex;gap:15px;align-items:center}.profile-large{width:59px;height:59px;border-radius:20px;background:var(--sage);display:grid;place-items:center;font-family:Georgia,serif;color:var(--green);font-size:33px}.profile-card h2{font-size:19px}.profile-card p{font-size:10px;color:var(--muted);margin-top:4px}.profile-details{display:grid;grid-template-columns:repeat(3,1fr);text-align:center;margin:20px 0 0;border-top:1px solid var(--border);padding-top:18px}.profile-details strong{display:block;font-size:17px}.profile-details span{font-size:9px;color:var(--muted)}.profile-details>div+div{border-left:1px solid var(--border)}.account-row{display:flex;justify-content:space-between;align-items:center;padding:13px 0;font-size:11px;border-bottom:1px solid var(--border)}.account-row:last-child{border:0;padding-bottom:0}.account-row span:last-child{color:var(--muted);font-size:10px}.legal{display:flex;justify-content:center;gap:15px;font-size:9px;color:var(--muted);margin-top:24px}.version{text-align:center;font-size:9px;color:#a4aa9c;margin-top:15px}.sub-heading{margin-bottom:14px}.empty-line{width:35px;height:3px;border-radius:3px;background:#becbae;margin:10px auto}.single-title{font-size:25px}.foot-label{font-size:10px;color:var(--muted);margin:20px 0 10px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(min-width:600px){.app{margin:28px auto;min-height:calc(100dvh - 56px);border:1px solid #dddfd3;border-radius:30px;overflow:clip}.bottom-nav{border-radius:0 0 28px 28px;bottom:0}main{padding-top:14px}}@media(max-width:360px){main{padding-left:16px;padding-right:16px}.header{padding-left:16px;padding-right:16px}h1{font-size:24px}.card{padding:16px}.week-chart{gap:15px}.timer{font-size:28px}.timer-panel{padding:17px}.two-columns{gap:10px}.card-foot{font-size:8px}.subject-tags{gap:3px}}

@media(prefers-reduced-motion:reduce){.header{transition:none}}

/* Two opaque viewport panels slide together without a page-load transition. */
.tab-slide-stage{position:fixed;inset:0;z-index:100;overflow:hidden;background:#eae9df;pointer-events:none}
.tab-slide-page{position:absolute;inset:0;overflow:hidden;background:#eae9df;transform:translateX(0);will-change:transform;isolation:isolate}
.bottom-nav{z-index:101;background:var(--bg);grid-template-columns:repeat(5,1fr)}
.bottom-nav{--active-tab:0;isolation:isolate}.bottom-nav::before{content:"";position:absolute;left:25px;top:7px;bottom:max(7px,env(safe-area-inset-bottom));width:calc((100% - 30px)/5 - 20px);border-radius:14px;background:#e8eddf;opacity:0;pointer-events:none;transform:translateX(calc(var(--active-tab) * (100% + 20px)));transition:transform .44s cubic-bezier(.22,.61,.36,1),opacity .2s ease}
.bottom-nav:has(a[aria-current="page"])::before{opacity:1}.bottom-nav:has(a:nth-child(2)[aria-current="page"]){--active-tab:1}.bottom-nav:has(a:nth-child(3)[aria-current="page"]){--active-tab:2}.bottom-nav:has(a:nth-child(4)[aria-current="page"]){--active-tab:3}.bottom-nav:has(a:nth-child(5)[aria-current="page"]){--active-tab:4}
.bottom-nav>a,.bottom-nav>a[aria-current]{position:relative;z-index:1;color:#788371;font-weight:500}
.bottom-nav:not(:has(a[aria-current="page"]))::before{display:none}
.bottom-nav.selection-reveal::before{transition:none;animation:nav-selection-reveal .24s ease-out both}
@keyframes nav-selection-reveal{from{opacity:0;filter:blur(6px)}to{opacity:1;filter:blur(0)}}
@media(prefers-reduced-motion:reduce){.bottom-nav::before{transition:none}.bottom-nav.selection-reveal::before{animation:none}}
.bottom-nav .nav-icon{display:grid;place-items:center;width:30px}.bottom-nav .nav-icon svg{display:block;width:24px;height:24px}
.bottom-nav>a.nav-ai{color:var(--green);font-weight:700}
.bottom-nav>a.nav-ai>.nav-icon{width:36px;height:30px;border-radius:11px;background:var(--green);color:#fafbf5;box-shadow:0 3px 8px #3c593322}
.bottom-nav>a.nav-ai .nav-icon svg{width:21px;height:21px}
.goal-overview{align-items:stretch;margin-bottom:18px}.goal-overview>.card{margin-bottom:0}.goal-card{min-width:0;display:flex}.goal-toggle{display:flex;flex:1;flex-direction:column;align-items:stretch;text-align:left;width:100%;padding:0;border:0;background:transparent;cursor:pointer;gap:8px}.goal-toggle .mini-icon{align-self:flex-start}.goal-toggle>.muted{font-size:11px}.goal-toggle .metric{font-size:18px}.goal-toggle .progress{display:block;width:100%;height:5px;flex-shrink:0;margin:2px 0}.goal-chevron{float:right}
.goal-dialog{width:min(600px,calc(100% - 32px));max-height:calc(100dvh - 48px);margin:auto;padding:24px;border:1px solid var(--border);border-radius:24px;background:var(--bg);color:var(--text);box-shadow:0 24px 90px #23321b33;overflow-y:auto;overscroll-behavior:contain;transform-origin:center}
.goal-dialog::backdrop{background:#24301e55;backdrop-filter:blur(3px);animation:goal-backdrop-in .25s ease}.goal-dialog-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.goal-dialog-heading p{margin-top:6px}.goal-dialog-close{font-size:26px;line-height:1;padding:0 4px}
.goal-list{display:grid;gap:12px;margin-top:16px}.goal-item{padding:16px;background:#f3f5ed;border:1px solid var(--border);border-radius:14px}.goal-item.is-complete{border-color:#9db68d;background:#edf4e6}.goal-item.is-expired{opacity:.65}.goal-item-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:8px}.goal-period{font-size:11px;color:#788371}.goal-remove{border:0;background:transparent;padding:6px;color:#788371;font-size:12px;cursor:pointer;flex-shrink:0}.goal-remove:hover{color:#934f43}.goal-dialog-close{font-size:26px}
.goal-form{display:grid;gap:14px;margin-top:22px;padding-top:20px;border-top:1px solid var(--border)}.goal-form-grid,.goal-duration{display:grid;grid-template-columns:1fr 1fr;gap:12px}.goal-form .form-field,.subject-form .form-field{margin:0;min-width:0}.goal-form input,.goal-form select,.subject-form input{width:100%;min-width:0;font:inherit}.subject-form{display:grid;gap:12px;margin-top:16px}.subject-setting-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px solid var(--border)}.subject-help{text-align:center;margin:8px 0 16px}.subject-help a{text-decoration:underline;text-underline-offset:3px}
@keyframes goal-backdrop-in{from{opacity:0}to{opacity:1}}
.goal-form[hidden],.goal-create[hidden]{display:none}.goal-create{width:100%;margin-top:20px}.goal-form-actions{display:flex;gap:10px}.goal-form-actions>button{flex:1}
.plan-picker{position:relative}.plan-picker-toggle{display:flex;align-items:center;justify-content:space-between;gap:8px;width:100%;min-height:48px;padding:12px;border:1px solid var(--border);border-radius:12px;background:var(--paper);color:var(--text);font:inherit;text-align:left;cursor:pointer}.plan-picker-options{position:absolute;top:calc(100% + 6px);left:0;right:0;max-height:180px;overflow-y:auto;background:var(--paper);border:1px solid var(--border);border-radius:12px;padding:5px;box-shadow:0 8px 24px #24301e1a;z-index:2}.plan-picker-options[hidden]{display:none}.plan-picker-options button{display:block;width:100%;padding:10px 8px;border:0;border-radius:8px;background:transparent;font:inherit;text-align:left;cursor:pointer;overflow-wrap:anywhere}.plan-picker-options button:hover,.plan-picker-options button[aria-selected="true"]{background:#e8eddf;color:var(--green)}
html:has(.goal-dialog[open]){overflow:hidden}
.app:has(.goal-dialog[open])>main{overflow:hidden}
.status-toast{position:fixed;inset:auto auto calc(100px + env(safe-area-inset-bottom)) 50%;transform:translateX(-50%);margin:0;width:max-content;max-width:calc(100vw - 32px);padding:13px 20px;border:1px solid #d2ddc8;border-radius:14px;background:#334c31;color:#fff;box-shadow:0 8px 32px #1f331b26;font:500 14px/1.5 "Pretendard","Malgun Gothic",sans-serif;text-align:center;pointer-events:none;z-index:2000;animation:toast-in .2s ease-out}.status-toast[hidden]{display:none}@keyframes toast-in{from{opacity:0;translate:0 8px}to{opacity:1;translate:0 0}}@media(min-width:768px){.status-toast{bottom:24px}}@media(prefers-reduced-motion:reduce){.status-toast{animation:none}}
@media(prefers-reduced-motion:reduce){.goal-dialog::backdrop{animation:none}}
.tab-navigation-active .header{z-index:101;transform:translateY(0);transition:none}
.tab-slide-page>.app{margin:0 auto;min-height:100%;border-top:0;border-bottom:0;border-radius:0}

/* Suppress browser tap flashes while keeping keyboard focus visible. */
*{-webkit-tap-highlight-color:transparent}
:where(a,button,input,textarea,select):focus:not(:focus-visible){outline:none}
html:not([data-keyboard-navigation]) :is(a,button):focus-visible{outline:none}

[hidden]{display:none!important}
.auth-main{padding-top:28px;padding-bottom:40px}
.auth-back{font-size:12px;color:var(--muted)}
.auth-card{padding:24px}
.google-button,.primary-button,.secondary-button{display:flex;align-items:center;justify-content:center;gap:12px;width:100%;min-height:46px;border-radius:12px;font:inherit;font-size:13px;font-weight:700;cursor:pointer}
.google-button{background:var(--paper);border:1px solid #daddd2}
.google-letter{font-family:Arial,sans-serif;font-size:19px;color:#4285f4}
.primary-button{background:var(--green);border:1px solid var(--green);color:white;margin-top:20px}
.secondary-button{background:transparent;border:1px solid var(--border);color:var(--green);margin-top:12px}
.primary-button:disabled,.google-button:disabled{opacity:.65;cursor:wait}
.auth-divider{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:10px;margin:24px 0}
.auth-divider:before,.auth-divider:after{content:"";height:1px;background:var(--border);flex:1}
.form-field{display:flex;flex-direction:column;gap:8px;font-size:12px;font-weight:600;margin:17px 0}
.account-settings{width:min(432px,calc(100% - 32px));max-height:calc(100dvh - 64px);padding:24px;border:1px solid var(--border);border-radius:24px;background:var(--bg);color:var(--text);box-shadow:0 24px 80px #25322526;overscroll-behavior:contain}.account-settings::backdrop{background:#26322855;backdrop-filter:blur(4px)}.settings-heading{display:flex;align-items:center;justify-content:space-between;gap:16px}.settings-heading h2{font-size:20px}.settings-heading button{font-size:24px;cursor:pointer}.settings-section{margin-top:22px;padding-top:20px;border-top:1px solid var(--border)}.settings-description{margin-top:8px;line-height:1.8}.school-settings-link{margin:-6px 0 20px;font-size:11px;color:var(--green)}.account-row{gap:18px}.account-row>span:last-child{text-align:right;overflow-wrap:anywhere}.settings{cursor:pointer}
.account-settings[open]{animation:settings-enter .36s cubic-bezier(.22,.61,.36,1) both}.account-settings[open]::backdrop{animation:settings-backdrop-enter .3s ease both}.account-settings.is-closing::backdrop{animation:settings-backdrop-leave .24s ease both}
@keyframes settings-enter{from{opacity:0;transform:translateY(48px)}to{opacity:1;transform:translateY(0)}}
@keyframes settings-backdrop-enter{from{opacity:0}to{opacity:1}}
@keyframes settings-backdrop-leave{from{opacity:1}to{opacity:0}}
@media(prefers-reduced-motion:reduce){.account-settings[open],.account-settings[open]::backdrop{animation:none}}
.form-field input{font:inherit;font-weight:400;border:1px solid var(--border);border-radius:10px;padding:12px;background:#fbfcf6;color:var(--text);min-width:0;width:100%;font-size:16px}
.form-field input:focus-visible{outline:2px solid #8fa484;outline-offset:1px}
.form-field input::placeholder{font-size:12px;color:#a0a596}
.auth-option-row{text-align:right;font-size:11px;color:var(--muted);margin-top:-3px}
.auth-switch{text-align:center;font-size:12px;color:var(--muted);margin-top:24px}
.auth-switch a{color:var(--green);font-weight:700;margin-left:6px}
.auth-description{font-size:12px;color:var(--muted);line-height:1.8;margin-bottom:18px}
.auth-status{font-size:12px;line-height:1.8;padding:12px;border-radius:10px;background:var(--sage);color:var(--green);margin-top:16px;overflow-wrap:anywhere}
.auth-status.is-error{background:#f6ebe5;color:#935747}
.account-actions{display:flex;gap:8px;margin-top:18px}.account-actions>*{margin:0}
.member-email{overflow-wrap:anywhere}
.account-identity .badge{display:inline-block;margin-top:8px}
.empty-data{padding:22px 0 8px;color:var(--muted);font-size:12px;line-height:1.8}
.week-chart i.empty-bar{height:0;min-height:0}
.subject-picker{display:flex;align-items:center;justify-content:space-between;gap:20px;font-size:12px;margin:20px 0 14px}
.subject-picker select{min-width:130px;padding:10px 12px;border:1px solid var(--border);border-radius:10px;background:var(--paper);color:var(--text);font:inherit}
.profile-details [data-time]{font-size:12px;padding-top:5px}
.profile-details strong [data-streak]{font-size:17px;color:var(--text)}
.ranking-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:150px}
.metric [data-streak]{font-size:25px;font-weight:650;color:var(--text)}
.study-cam{--cam-color:var(--green);padding:12px 0 25px;text-align:center}
.cam-viewport{position:relative;width:76px;height:76px;margin:0 auto;transition:width .65s cubic-bezier(.2,.8,.2,1),height .65s cubic-bezier(.2,.8,.2,1);isolation:isolate}
.study-cam.is-open .cam-viewport{width:100%;height:240px}
.cam-video-mount{position:absolute;inset:0;border-radius:20px;overflow:hidden;background:#17201a;opacity:0;transition:opacity .35s}
.is-open .cam-video-mount{opacity:1}
.cam-video-mount video{width:100%;height:100%;object-fit:cover;transform:scaleX(-1)}
.cam-toggle{position:absolute;inset:0;width:100%;height:100%;border:0;border-radius:20px;background:var(--sage);color:var(--cam-color);cursor:pointer;transition:background .5s,color .3s}
.is-open .cam-toggle{background:transparent;cursor:default}
.cam-face{position:absolute;width:48px;height:48px;top:50%;left:50%;transform:translate(-50%,-50%);fill:none;stroke:currentColor;stroke-width:2.3;stroke-linecap:round;stroke-linejoin:round;transition:opacity .25s,transform .4s}
.is-open .cam-face{opacity:0;transform:translate(-50%,-50%) scale(1.6)}
.cam-corner{position:absolute;width:19px;height:19px;border:3px solid currentColor;transition:width .6s,height .6s,color .3s;filter:drop-shadow(0 1px 3px #0003)}
.is-open .cam-corner{width:35px;height:35px}
.cam-corner.tl{top:5px;left:5px;border-right:0;border-bottom:0;border-radius:14px 0 0 0}
.cam-corner.tr{top:5px;right:5px;border-left:0;border-bottom:0;border-radius:0 14px 0 0}
.cam-corner.bl{bottom:5px;left:5px;border-right:0;border-top:0;border-radius:0 0 0 14px}
.cam-corner.br{bottom:5px;right:5px;border-left:0;border-top:0;border-radius:0 0 14px 0}
.cam-scan{display:none;position:absolute;left:12px;right:12px;height:1px;top:12px;background:currentColor;box-shadow:0 0 14px 3px #b5d6ac66;animation:cam-scan 2.2s ease-in-out infinite alternate}
[data-state="scanning"] .cam-scan,[data-state="opening"] .cam-scan{display:block}
.cam-close{position:absolute;right:14px;top:14px;border:0;border-radius:50%;width:30px;height:30px;background:#101810b3;color:white;font-size:23px;cursor:pointer}
.cam-close[hidden]{display:none}
.cam-live{position:absolute;left:16px;bottom:15px;font:10px monospace;letter-spacing:1px;color:white;text-shadow:0 1px 3px #000}
.cam-status{font-size:12px;font-weight:650;color:var(--cam-color);margin:14px 0 5px}
.cam-caption{font-size:10px;line-height:1.7;color:var(--muted);margin:0}
[data-state="warning"]{--cam-color:#a57b2e}
[data-state="paused"],[data-state="error"]{--cam-color:#bc4141}
.timer-panel.camera-paused{border:1px solid #bc414166;background:#bc41410a}
.timer-panel.camera-paused .timer,.timer-panel.camera-paused [data-timer-state]{color:#bc4141}
.timer-panel.camera-pending{border:1px solid var(--border);background:var(--sage)}
.timer-panel.camera-pending .timer,.timer-panel.camera-pending [data-timer-state]{color:var(--green)}
@keyframes cam-scan{from{top:15px;opacity:.4}to{top:calc(100% - 15px);opacity:1}}
.study-cam>.subject-picker{margin:0 0 22px;text-align:left}
.cam-timer{margin:18px 0 12px;text-align:left;gap:12px}
.cam-timer .timer{font-size:clamp(29px,8vw,40px)}
.cam-end{margin-left:auto;border:0;border-radius:12px;padding:13px 19px;background:var(--green);color:white;font:600 13px inherit;cursor:pointer;flex-shrink:0}
.cam-end:disabled{opacity:.35;cursor:default}
.cam-pause{flex-shrink:0;width:44px;height:44px;margin-left:auto;cursor:pointer}
.cam-pause svg{width:20px;height:20px;fill:currentColor}
.cam-pause .pause-play,.cam-pause[aria-pressed="true"] .pause-bars{display:none}
.cam-pause[aria-pressed="true"] .pause-play{display:block}
.cam-pause:disabled{opacity:.35;cursor:default}
.cam-pause+.cam-end{margin-left:0}
.cam-timer>div{min-width:0;flex:1}
.school-panels{display:block;min-width:0}
.school-panels .card,.school-panels .school-data{min-width:0;max-width:100%;overflow-wrap:anywhere}
.school-panels .school-schedule{table-layout:fixed;border-spacing:3px}
.school-panels [data-school-timetable]{overflow-x:hidden}
.school-panels .school-schedule th,.school-panels .school-schedule td{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.school-panels .school-schedule th:first-child{width:28px}
.school-panels .section-title{flex-wrap:wrap}
.school-events{list-style:none;margin:0;padding:0}
.school-calendar-controls{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:14px}
.school-calendar-controls input{min-width:0;flex:1;padding:7px;border:1px solid var(--border);border-radius:8px;background:var(--paper);color:var(--text);font:inherit}
.school-calendar-controls .secondary-button{width:auto;margin:0;padding:7px 10px;font-size:11px}
.school-calendar-controls button:disabled,.school-calendar-controls input:disabled{opacity:.45}
.school-calendar{margin-bottom:18px}
.school-calendar-weekdays,.school-calendar-grid{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:4px}
.school-calendar-weekdays{margin-bottom:6px;text-align:center;font-size:10px;color:var(--muted)}
.school-calendar-day{position:relative;min-width:0;min-height:62px;padding:5px 3px;border:1px solid var(--border);border-radius:8px;background:var(--paper);color:var(--text);text-align:left;cursor:pointer;font:inherit}
.school-calendar-number{display:block;width:22px;line-height:22px;text-align:center;border-radius:50%;font-size:11px}
.school-calendar-event{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-top:3px;font-size:9px;line-height:12px;color:var(--green)}
.school-calendar-more{display:block;font-size:9px;line-height:12px;color:var(--muted)}
.school-calendar-weekdays>:nth-child(7n+1),.school-calendar-day:nth-child(7n+1) .school-calendar-number{color:#b46759}
.school-calendar-weekdays>:nth-child(7n),.school-calendar-day:nth-child(7n) .school-calendar-number{color:#648aab}
.school-calendar-day[aria-current="date"] .school-calendar-number{background:var(--green);color:white}
.school-calendar-day[aria-pressed="true"]{border-color:var(--green);background:#e9efde}
.school-calendar-day:focus-visible{outline:2px solid var(--green);outline-offset:2px}
.school-calendar-day:disabled{cursor:default;opacity:.5}
.school-calendar-reset{width:auto;margin:9px 0 0;padding:5px 0;border:0;background:none;font-size:10px;color:var(--green)}
.school-calendar-reset:disabled{color:var(--muted);cursor:default}
@media(max-width:400px){.school-calendar-grid,.school-calendar-weekdays{gap:3px}.school-calendar-day{min-height:54px;padding:4px 2px}.school-calendar-event{font-size:8px}}
.school-events li{display:flex;gap:14px;padding:12px 0;border-bottom:1px solid var(--border)}
.school-events li:last-child{border-bottom:0}
.school-events time{flex:0 0 40px;color:var(--green);font-size:12px;font-variant-numeric:tabular-nums}
.school-events li>div{min-width:0;overflow-wrap:anywhere}
.school-events strong{font-size:12px;font-weight:600}
.school-events p{font-size:11px;color:var(--muted);margin-top:4px;white-space:pre-line}
@media(max-width:360px){.cam-timer{padding:16px 12px;gap:8px}.cam-timer .timer{font-size:27px}.cam-end{padding:12px}}
.cam-toggle:disabled{opacity:1}
.camera-focus-open{overflow:hidden}
.camera-focus{position:fixed;inset:0;z-index:200;background:var(--bg);overflow-y:auto;padding:env(safe-area-inset-top) 24px env(safe-area-inset-bottom);color:var(--text)}
.focus-header{max-width:640px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;height:62px;font-size:13px}
.focus-header strong{font:bold 23px Arial,sans-serif;letter-spacing:-1px}
.focus-header>span{color:var(--muted)}
.focus-content{max-width:640px;margin:0 auto;padding:24px 0}
.camera-focus .cam-viewport,.camera-focus .is-open .cam-viewport{width:100%;height:clamp(240px,48dvh,520px)}
.camera-focus .cam-timer{margin:26px 0 20px;min-height:110px}
.camera-focus .timer{font-variant-numeric:tabular-nums}
.cam-existing{border:0;background:transparent;color:var(--green);text-decoration:underline;margin:10px auto;font:inherit;font-size:12px;cursor:pointer}
.cam-existing[hidden]{display:none}
.cam-morph-frame{position:fixed;z-index:202;pointer-events:none;color:var(--green);border-radius:20px;background:var(--sage);box-shadow:0 0 0 1px #54725a08;overflow:visible}
.cam-morph-frame .cam-corner{border-width:3px;filter:none}
.cam-morph-frame .cam-face{opacity:1}
.camera-focus.is-morphing .cam-viewport{visibility:hidden}
.camera-focus.is-morphing .cam-status,.camera-focus.is-morphing .cam-timer,.camera-focus.is-morphing .cam-caption,.camera-focus.is-morphing .auth-status{opacity:0}
.camera-focus .cam-status,.camera-focus .cam-timer,.camera-focus .cam-caption,.camera-focus .auth-status{transition:opacity .3s}
.cam-analysis-video{position:fixed;left:-10000px;top:0;width:2px;height:2px;opacity:0;pointer-events:none}
.cam-video-mount:has(.cam-avatar){background:radial-gradient(ellipse at 50% 45%,#fafbf6 0%,#e8eddf 100%)}
.cam-avatar{display:block;width:100%;height:100%;color:#76816f}
.cam-avatar.is-tracked{color:var(--green)}
.cam-live{color:var(--green);text-shadow:none}
.avatar-shadow{fill:#54725a13}
.avatar-ground{fill:none;stroke:#54725a35;stroke-width:2;stroke-linecap:round}
.avatar-person{transform:translate(var(--avatar-x,0px),var(--avatar-y,0px));transition:transform .22s ease-out}
.avatar-head{transform-origin:160px 136px;transform:rotate(var(--avatar-roll,0deg));transition:transform .22s ease-out}
.cam-avatar:not(.is-tracked) .avatar-eyes{opacity:.35}
.cam-video-mount .cam-avatar,.cam-recognition{position:absolute;inset:0;display:block;width:100%;height:100%;transition:opacity .22s,transform .3s}
.cam-video-mount .cam-avatar{opacity:0;transform:scale(.94)}
.cam-video-mount[data-avatar-phase="avatar"] .cam-avatar{opacity:1;transform:scale(1)}
.cam-recognition{color:var(--green);opacity:1;transform:scale(1)}
[data-avatar-phase="avatar"] .cam-recognition,[data-avatar-phase="idle"] .cam-recognition{opacity:0;transform:scale(.9);pointer-events:none}
.recognition-ring-track{fill:none;stroke:currentColor;stroke-width:3;opacity:.12}
.recognition-spinner{fill:none;stroke:currentColor;stroke-width:3.5;stroke-linecap:round;stroke-dasharray:125 45 38 307;transform-origin:160px 160px;animation:recognition-orbit 1.5s linear infinite}
.recognition-face{transform-origin:160px 160px}
.recognition-piece{transform-origin:160px 160px}
.recognition-ring-entry{transform-origin:160px 160px}
.model-selector select{max-width:100%;font:inherit;color:inherit;background:transparent;border:0;outline:none}.ai-composer button:disabled{opacity:.4}.school-data:empty{min-height:80px}
/* Quiet AI entry and a vertically sliding conversation surface. */
.agent-bar{border-radius:20px;padding:16px;gap:13px;background:var(--paper);color:var(--text);transition:border-color .2s,box-shadow .2s}
.agent-bar:hover{border-color:#a8b59c;box-shadow:0 5px 20px #354b3610}
.ai-mark{display:grid;place-items:center;flex-shrink:0;width:42px;height:42px;border-radius:14px;background:var(--sage);color:var(--green)}
.ai-mark svg{width:25px;height:25px}.agent-label{display:grid;gap:3px}.agent-label strong{font-size:13px;font-weight:600}.agent-label>span{font-size:11px;color:var(--muted)}
.agent-open{display:grid;place-items:center;width:30px;height:30px;margin-left:auto;border:1px solid var(--border);border-radius:50%;font-size:18px;color:var(--green)}
.ai-page{display:flex;flex-direction:column;min-height:calc(100dvh - 52px);padding:10px 24px 100px;background:var(--bg);border-radius:24px 24px 0 0}
.ai-sheet-handle{width:32px;height:4px;border-radius:4px;background:#cdd3c5;margin:0 auto 23px}
.ai-heading{margin-bottom:24px}.ai-eyebrow{font-size:9px;letter-spacing:1.5px;color:var(--muted);margin-bottom:5px}.ai-heading h1{font-size:25px;letter-spacing:-1px}.ai-heading h1 span{font-size:15px;font-weight:500;color:var(--green);margin-left:4px}
.ai-close{display:grid;place-items:center;width:36px;height:36px;border:1px solid var(--border);border-radius:50%;background:var(--paper)}.ai-close svg{width:18px;height:18px}
.ai-composer-tools{display:flex;align-items:center;justify-content:space-between;gap:8px;width:100%}.ai-composer-tools .model-selector{margin:0;padding:6px 10px;min-width:0;max-width:calc(100% - 42px)}
.ai-page [data-ai-usage]{font-size:10px;margin:10px 0 0;min-height:16px}
.ai-page .chat-card{flex:1;min-height:0;overflow-y:auto;overscroll-behavior:contain;border:0;background:transparent;padding:28px 0 16px;border-radius:0}
.ai-page .empty-data{font-size:13px;line-height:1.9;color:var(--muted);text-align:center;padding:65px 12px}
.ai-page .message{gap:10px;margin-bottom:22px}.ai-page .chat-avatar{width:26px;height:26px;border-radius:9px;font-size:13px;font-weight:700;font-family:Arial,sans-serif}.ai-page .message.user .chat-avatar{display:none}
.ai-page .bubble{max-width:calc(100% - 36px);background:transparent;padding:2px 0;font-size:13px;line-height:1.85}.ai-page .message.user .bubble{background:#e8eddf;padding:12px 16px;border-radius:18px 18px 5px 18px}
.ai-page .suggestions{margin:0;gap:8px}.ai-page .suggestions button{font-size:11px;background:var(--paper);border-color:var(--border);padding:8px 12px;cursor:pointer;transition:background .2s}.ai-page .suggestions button:hover{background:var(--sage)}
.ai-input-area{flex-shrink:0;margin-top:auto;padding-top:10px;background:var(--bg)}
.ai-page .ai-composer{margin:0;border-radius:22px;padding:14px 14px 14px 17px;flex-direction:column;align-items:stretch;box-shadow:0 3px 18px #354b3608;transition:border-color .2s,box-shadow .2s}
.ai-page .ai-composer:focus-within{border-color:#8d9e80;box-shadow:0 0 0 3px #8d9e8012}.ai-page .ai-composer textarea{display:block;flex:none;width:100%;height:48px;min-height:48px;margin:0;padding:0;font-size:16px;line-height:1.5;resize:none}.ai-page .send{display:grid;place-items:center;width:34px;height:34px;flex-shrink:0;cursor:pointer}.ai-page .send svg{width:19px;height:19px}.ai-page .ai-privacy{font-size:9px;text-align:center;margin:9px 0 0}
.sheet-slide-stage .tab-slide-page{background:transparent}.sheet-slide-stage .ai-page,.sheet-slide-stage .account-page{box-shadow:0 -12px 40px #263a2612}.sheet-slide-stage .ai-input-area{position:static}
.account-page{min-height:calc(100dvh - 52px);border-radius:24px 24px 0 0;background:var(--bg)}.account-title{display:flex;align-items:center;gap:10px}.account-close{display:grid;place-items:center;width:30px;height:30px;border:1px solid var(--border);border-radius:50%;background:var(--paper)}.account-close svg{width:18px;height:18px}
@media(max-width:360px){.ai-page{padding-left:16px;padding-right:16px}.ai-private-label{display:none}}
@media(prefers-reduced-motion:reduce){.agent-bar,.ai-page .ai-composer,.ai-page .suggestions button{transition:none}}
.school-registration summary{cursor:pointer;font-weight:600}.school-registration form{margin-top:16px}.school-results{display:grid;gap:8px;margin-top:12px}.school-result{display:grid;gap:5px;padding:12px;text-align:left;border:1px solid var(--line,#dce0d5);border-radius:12px;background:transparent;color:inherit}.school-result span{font-size:12px;opacity:.7}.school-result[aria-pressed="true"]{background:#e2ead9;border-color:#809775}.classroom-fields{display:grid;grid-template-columns:1fr 1fr;gap:14px}.classroom-fields select,.classroom-fields input{width:100%;padding:12px;border:1px solid #d7ddcf;border-radius:10px;background:transparent;color:inherit}.school-data{margin-top:16px;overflow-x:auto;min-height:80px;line-height:1.7}.school-data h3{font-size:14px;margin:16px 0 4px}.school-schedule{width:100%;border-collapse:separate;border-spacing:4px;text-align:center;font-size:12px}.school-schedule caption{font-size:11px;color:#76806e;margin-bottom:10px}.school-schedule th{padding:6px 2px;font-weight:500}.school-schedule td{background:#e8eddf;border-radius:7px;padding:9px 3px;min-width:34px;word-break:keep-all}.school-source{padding:12px 0}.ai-composer textarea{flex:1;min-width:0;resize:vertical;max-height:180px;background:transparent;border:0;outline:none;font:inherit;line-height:1.5;color:inherit}.ai-composer .send{flex-shrink:0}.bubble{white-space:pre-wrap;overflow-wrap:anywhere}.suggestions button{padding:9px 12px;border:1px solid #d9dece;border-radius:18px;background:transparent;color:inherit;font:inherit;font-size:12px}.ai-privacy{margin:12px 4px;line-height:1.6}
[data-avatar-phase="searching"] .recognition-ring-entry{animation:recognition-ring-enter .72s cubic-bezier(.2,.8,.2,1) both}
[data-avatar-phase="searching"] .recognition-ring-track{animation:recognition-ring-draw .8s ease-out both}
[data-avatar-phase="searching"] .recognition-corner-entry{animation:recognition-corner-enter .6s cubic-bezier(.2,.8,.2,1) both}
.camera-focus.is-morphing [data-avatar-phase="searching"] .recognition-ring-entry,.camera-focus.is-morphing [data-avatar-phase="searching"] .recognition-corner-entry{animation:none;opacity:0}
@keyframes recognition-ring-enter{from{opacity:0;transform:scale(.72)}to{opacity:1;transform:scale(1)}}
@keyframes recognition-ring-draw{from{stroke-dasharray:515;stroke-dashoffset:515}to{stroke-dasharray:515;stroke-dashoffset:0}}
@keyframes recognition-corner-enter{from{opacity:0;transform:translate(var(--corner-x),var(--corner-y))}to{opacity:1;transform:translate(0,0)}}
[data-avatar-phase="searching"] .recognition-bracket{animation:recognition-frame-look 3.6s linear infinite}
[data-avatar-phase="searching"] .recognition-features{transform-origin:160px 160px;animation:recognition-head-sweep 3.6s linear infinite}
[data-avatar-phase="searching"] .recognition-eye{animation:recognition-eye-sweep 3.6s linear infinite;transform-origin:160px 148px}
[data-avatar-phase="searching"] .recognition-nose{animation:recognition-nose-turn 3.6s linear infinite}
[data-avatar-phase="searching"] .recognition-mouth{animation:recognition-mouth-turn 3.6s linear infinite}
[data-avatar-phase="success"] .recognition-spinner{animation:recognition-lock .45s cubic-bezier(.16,1,.3,1) forwards}
[data-avatar-phase="check"] .recognition-spinner{animation:none;stroke-dasharray:515 0;opacity:.3}
[data-avatar-phase="error"] .recognition-spinner,[data-avatar-phase="error"] .recognition-face,[data-avatar-phase="error"] .recognition-features{animation:none;opacity:.4}
@keyframes recognition-orbit{to{transform:rotate(360deg)}}
@keyframes recognition-head-sweep{0%,4%{transform:translate(0,0) scale(1)}6%{transform:translate(4px,1px) scale(1.04,.96)}10%{transform:translate(-23px,-4px) rotate(-6deg) scale(.82,1.1)}14%{transform:translate(-12px,-1px) rotate(-2deg) scale(.99,.96)}18%{transform:translate(-18px,-3px) rotate(-4deg) scale(.9,1.04)}22%,34%{transform:translate(-15px,-2px) rotate(-3deg) scale(.94,1)}36%{transform:translate(-19px,-1px) rotate(-4deg) scale(1.03,.96)}40%{transform:translate(25px,-4px) rotate(6deg) scale(.82,1.1)}44%{transform:translate(12px,-1px) rotate(2deg) scale(.99,.96)}48%{transform:translate(19px,-3px) rotate(4deg) scale(.9,1.04)}52%,65%{transform:translate(16px,-2px) rotate(3deg) scale(.94,1)}71%{transform:translate(0,10px) scale(1.09,.88)}75%{transform:translate(0,-3px) scale(.97,1.06)}79%{transform:translate(0,2px) scale(1.03,.98)}84%,100%{transform:translate(0,0) scale(1)}}
@keyframes recognition-eye-sweep{0%,6%{transform:translate(0,0)}10%,16%{transform:translate(-10px,0)}19%,22%{transform:translate(4px,-2px)}25%,34%{transform:translate(-11px,0)}40%,47%{transform:translate(12px,0)}50%,54%{transform:translate(-4px,-2px)}57%,65%{transform:translate(12px,0)}70%,76%{transform:translate(0,5px)}79%{transform:translate(0,0) scaleY(1)}80%,81%{transform:translate(0,0) scaleY(.08)}82%,100%{transform:translate(0,0) scaleY(1)}}
@keyframes recognition-nose-turn{0%,6%{transform:translate(0,0)}11%,34%{transform:translate(-6px,0) scaleX(.8)}41%,65%{transform:translate(7px,0) scaleX(.8)}72%{transform:translate(0,4px)}77%,100%{transform:translate(0,0)}}
@keyframes recognition-mouth-turn{0%,8%{transform:translate(0,0) scaleX(1)}14%,34%{transform:translate(-4px,1px) scaleX(.92)}44%,65%{transform:translate(4px,1px) scaleX(.92)}73%{transform:translate(0,2px) scaleX(1.08)}78%,100%{transform:translate(0,0) scaleX(1)}}
@keyframes recognition-frame-look{0%,6%{transform:translate(0,0)}10%,34%{transform:translate(-15px,-2px) rotate(-3deg)}40%,65%{transform:translate(16px,-2px) rotate(3deg)}72%{transform:translate(0,5px)}82%,100%{transform:translate(0,0)}}
[data-avatar-phase="searching"] .cam-recognition{animation:recognition-appear .72s linear both}
.camera-focus [data-avatar-phase="searching"] .cam-recognition{animation:none}
.camera-focus.is-morphing .cam-recognition{animation:none}
@keyframes recognition-appear{from{opacity:0}to{opacity:1}}
.cam-toggle .cam-face{stroke-width:5.75}
@keyframes recognition-handoff{0%{transform:scale(1)}30%{transform:scale(1.08,.94)}55%{transform:scale(.96,1.045)}78%{transform:scale(1.02,.985)}100%{transform:scale(1)}}
.cam-toggle:hover .cam-face{animation:camera-button-jelly .65s linear}
@keyframes camera-button-jelly{0%,100%{transform:translate(-50%,-50%) scale(1)}25%{transform:translate(-50%,-50%) scale(1.12,.87)}48%{transform:translate(-50%,-50%) scale(.94,1.07)}73%{transform:translate(-50%,-50%) scale(1.035,.98)}}
@keyframes recognition-lock{0%{transform:rotate(0);stroke-dasharray:125 45 38 307}70%{transform:rotate(280deg);stroke-dasharray:515 0}100%{transform:rotate(360deg);stroke-dasharray:515 0;opacity:.3}}
@media(prefers-reduced-motion:reduce){.cam-recognition,.cam-video-mount .cam-avatar{transition:none}[data-avatar-phase] .cam-recognition,[data-avatar-phase] .recognition-spinner,[data-avatar-phase] .recognition-face,[data-avatar-phase] .recognition-features,[data-avatar-phase] .recognition-piece,.cam-toggle:hover .cam-face{animation:none}}
@media(prefers-reduced-motion:reduce){.avatar-person,.avatar-head{transition:none}}
@media(prefers-reduced-motion:reduce){[data-avatar-phase] .recognition-ring-entry,[data-avatar-phase] .recognition-ring-track,[data-avatar-phase] .recognition-corner-entry{animation:none}}
@media(prefers-reduced-motion:reduce){.cam-viewport,.cam-corner,.cam-face{transition:none}.cam-scan{animation:none}}

/* Keep the app shell still; only page content scrolls on every device. */
html,body{height:100%;overflow:hidden;overscroll-behavior:none}
.app{display:flex;flex-direction:column;height:100dvh;min-height:0;margin:0 auto;border:0;border-radius:0;overflow:hidden}
.app>.header{position:relative;flex-shrink:0;transform:none;transition:none}
.app>main{flex:1;width:100%;min-height:0;overflow-y:auto;overscroll-behavior:none}
.app>main.ai-page{overflow:hidden;padding-bottom:calc(88px + env(safe-area-inset-bottom))}
.ai-page>.ai-sheet-handle,.ai-page>.ai-heading,.ai-page>[data-ai-usage]{flex-shrink:0}
@media(max-height:600px){
  .ai-page>.ai-sheet-handle,.ai-page .ai-eyebrow{display:none}
  .ai-page .ai-heading{margin-bottom:8px}
  .ai-page [data-ai-usage]{margin-top:0}
  .ai-page .chat-card{padding-top:12px;padding-bottom:8px}
}
@media(max-height:400px){
  .ai-page .ai-heading{margin-bottom:0}
  .ai-page .ai-composer{padding-top:10px;padding-bottom:10px;gap:6px}
  .ai-page .ai-composer textarea{height:24px;min-height:24px}
}
.bottom-nav{border-radius:0}
.tab-slide-page>.app{height:100%;min-height:0}

/* One tablet/desktop layout; 1100px is the reference GUI scale. */
@media(min-width:768px){
  :root{--gui:clamp(.698px,.090909vw,1.309px)}
  .app{max-width:1440px;margin:0 auto;min-height:100dvh;border:0;border-radius:0;overflow:clip;padding-left:calc(184 * var(--gui));font-size:calc(14 * var(--gui))}
  .header{height:calc(72 * var(--gui));padding:0 calc(36 * var(--gui))}
  .brand{font-size:calc(24 * var(--gui))}
  .profile-dot{width:calc(34 * var(--gui));height:calc(34 * var(--gui))}
  .app:has(.bottom-nav)>.header{position:fixed;top:0;left:max(0px,calc((100vw - 1440px)/2));z-index:102;width:calc(184 * var(--gui));height:100dvh;display:flex;flex-direction:column;align-items:stretch;justify-content:space-between;padding:calc(32 * var(--gui)) calc(16 * var(--gui)) calc(24 * var(--gui));border:0;background:transparent;transform:none;transition:none;pointer-events:none}
  .app:has(.bottom-nav)>.header .brand{align-self:flex-start;margin-left:calc(8 * var(--gui));pointer-events:auto}
  .app:has(.bottom-nav)>.header .profile-dot{width:100%;height:calc(48 * var(--gui));flex-shrink:0;display:flex;align-items:center;justify-content:flex-start;gap:calc(14 * var(--gui));padding:0 calc(16 * var(--gui));border-radius:calc(14 * var(--gui));font-size:calc(14 * var(--gui));pointer-events:auto}
  .app:has(.bottom-nav)>.header .profile-dot::after{content:"내 계정";font-weight:600}
  main{padding:calc(32 * var(--gui)) calc(36 * var(--gui)) calc(64 * var(--gui))}
  h1{font-size:calc(28 * var(--gui))}h2{font-size:calc(17 * var(--gui))}h3{font-size:calc(14 * var(--gui))}
  .tiny{font-size:calc(10 * var(--gui))}
  .card{padding:calc(24 * var(--gui));border-radius:calc(22 * var(--gui));margin-bottom:calc(14 * var(--gui))}
  .two-columns{gap:calc(20 * var(--gui))}
  main[aria-label="홈"],main[aria-label="학습"],main[aria-label="플레이"]{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:calc(20 * var(--gui));align-content:start}
  main[aria-label]>*,.two-columns>*{min-width:0}
  main[aria-label="홈"]>.card,main[aria-label="학습"]>.card,main[aria-label="플레이"]>.card{margin:0}
  main[aria-label="홈"]>.overview{grid-column:1/-1}
  main[aria-label="홈"]>.agent-bar,main[aria-label]>[data-sync-status]{grid-column:1/-1}
  main[aria-label="홈"]>.agent-bar{margin-top:0}
  main[aria-label="학습"]>.two-columns{align-content:start}
  main[aria-label="학습"]>.study-cam{grid-row:span 2;padding:calc(28 * var(--gui));background:var(--paper);border:1px solid var(--border);border-radius:calc(22 * var(--gui));display:flex;flex-direction:column;justify-content:center}
  main[aria-label="학습"]>.study-cam>.subject-picker{margin-bottom:calc(32 * var(--gui))}
  main[aria-label="학습"]>.card{grid-column:1/-1}
  main[aria-label="학습"]>.two-columns .card{margin-bottom:0}
  main[aria-label="플레이"]>.character-card{grid-row:span 2;height:100%;min-height:calc(340 * var(--gui))}
  main[aria-label="플레이"]>.two-columns .card{margin-bottom:0}
  main[aria-label="플레이"]>.timer-panel,main[aria-label="플레이"]>.demo-note{grid-column:1/-1}
  main[aria-label="플레이"]>.demo-note{margin-top:0;font-size:calc(11 * var(--gui));letter-spacing:0}
  .school-panels{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:calc(20 * var(--gui))}
  .school-panels .card{padding:calc(24 * var(--gui))!important}
  .subject-picker{gap:calc(20 * var(--gui));font-size:calc(12 * var(--gui))}
  .subject-picker select{min-width:calc(130 * var(--gui));min-height:calc(44 * var(--gui));padding:calc(10 * var(--gui)) calc(12 * var(--gui));font-size:calc(14 * var(--gui))}
  .ai-page{max-width:calc(860 * var(--gui));margin:0 auto}
  .app>main.ai-page{padding-bottom:24px}
  .account-page{max-width:calc(760 * var(--gui));margin:0 auto}
  .app:has(.auth-main){max-width:calc(560 * var(--gui));padding-left:0}
  .bottom-nav{left:max(0px,calc((100vw - 1440px)/2));top:0;bottom:0;transform:none;width:calc(184 * var(--gui));display:flex;flex-direction:column;gap:calc(10 * var(--gui));align-items:stretch;padding:calc(100 * var(--gui)) calc(16 * var(--gui)) calc(96 * var(--gui));border:0;border-radius:0;border-right:1px solid var(--border)}
  .bottom-nav{--active-side-offset:0px;-webkit-backdrop-filter:none;backdrop-filter:none;contain:paint}
  .bottom-nav:has(a:nth-child(2)[aria-current="page"]){--active-side-offset:calc(66 * var(--gui))}
  .bottom-nav:has(a:nth-child(3)[aria-current="page"]){--active-side-offset:calc(276 * var(--gui))}
  .bottom-nav:has(a:nth-child(4)[aria-current="page"]){--active-side-offset:calc(132 * var(--gui))}
  .bottom-nav:has(a:nth-child(5)[aria-current="page"]){--active-side-offset:calc(198 * var(--gui))}
  .bottom-nav::before{left:calc(16 * var(--gui));right:calc(16 * var(--gui));top:calc(100 * var(--gui));bottom:auto;width:auto;height:calc(56 * var(--gui));border-radius:calc(14 * var(--gui));transform:translate3d(0,var(--active-side-offset),0);will-change:transform}
  .bottom-nav>a{flex-direction:row;justify-content:flex-start;gap:calc(16 * var(--gui));min-height:calc(56 * var(--gui));padding:calc(12 * var(--gui)) calc(16 * var(--gui));border-radius:calc(14 * var(--gui));font-size:calc(14 * var(--gui))}
  .bottom-nav>a[aria-current="page"]{background:transparent;color:var(--green);font-weight:700}
  .bottom-nav>a>span{width:calc(30 * var(--gui));height:calc(30 * var(--gui));line-height:calc(30 * var(--gui));font-size:calc(24 * var(--gui));text-align:center;flex-shrink:0}
  .bottom-nav .nav-icon svg{width:calc(24 * var(--gui));height:calc(24 * var(--gui))}
  .bottom-nav>a.nav-ai{order:1;margin-top:calc(12 * var(--gui));border:1px solid #cbd6c1;background:#edf2e7;gap:calc(10 * var(--gui));font-size:calc(12 * var(--gui));font-weight:700}
  .bottom-nav>a.nav-ai[aria-current="page"]{background:transparent}
  .bottom-nav>a.nav-ai>.nav-icon{width:calc(30 * var(--gui));height:calc(30 * var(--gui));border-radius:calc(10 * var(--gui))}
  .bottom-nav>a.nav-ai .nav-icon svg{width:calc(20 * var(--gui));height:calc(20 * var(--gui))}
  .tab-slide-page>.app{padding-left:0}
  .hero-number{font-size:calc(56 * var(--gui))}
  .metric,.study-stat .metric{font-size:calc(25 * var(--gui))}
  .week-chart{height:calc(150 * var(--gui));gap:calc(22 * var(--gui))}
  .chart-large{height:calc(220 * var(--gui))}
  .character{width:calc(240 * var(--gui));height:calc(285 * var(--gui))}
  .character-card:after{width:calc(310 * var(--gui));height:calc(310 * var(--gui));top:50%;transform:translate(-50%,-50%)}
  .play-tile{min-height:calc(115 * var(--gui))}
  .play-tile p,.quiet-card p{font-size:calc(10 * var(--gui))}
  .quiet-card h2{font-size:calc(13 * var(--gui))}
  .tile-emoji{font-size:calc(23 * var(--gui));margin-bottom:calc(10 * var(--gui))}
  .timer-panel{padding:calc(19 * var(--gui)) calc(22 * var(--gui))}
  .timer{font-size:calc(34 * var(--gui))}
  .cam-viewport{width:calc(76 * var(--gui));height:calc(76 * var(--gui))}
  .focus-header,.focus-content{max-width:calc(1000 * var(--gui))}
  .focus-content{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:calc(20 * var(--gui)) calc(36 * var(--gui));align-items:center}
  .camera-focus .cam-viewport,.camera-focus .is-open .cam-viewport{grid-row:span 4;height:calc(520 * var(--gui))}
  .camera-focus .cam-status,.camera-focus .cam-timer,.camera-focus .cam-caption,.camera-focus .auth-status{grid-column:2;margin:0}
}