:root{
  --bg:#f7f2ee;--panel:rgba(255,255,255,.78);--panel2:#fffaf6;--text:#2f2724;--muted:#8a7d77;
  --brand:#a86d48;--brand2:#f39a52;--line:rgba(121,82,59,.14);--ok:#48ad78;--warn:#f2b23e;--danger:#ef6b5f;
  --shadow:0 22px 60px rgba(110,78,58,.14);--r:22px;
}
*{box-sizing:border-box}html,body{margin:0;height:100%;font-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;color:var(--text);background:linear-gradient(135deg,#f8efe8,#f6f8f7 50%,#eef6f2)}
body:before{content:"";position:fixed;inset:0;pointer-events:none;background:radial-gradient(circle at 12% 10%,rgba(255,183,116,.17),transparent 27%),radial-gradient(circle at 90% 10%,rgba(115,197,177,.14),transparent 25%)}
button,input,textarea,select{font:inherit}button{border:0;border-radius:12px;padding:10px 14px;cursor:pointer;background:#f0e7e0;color:var(--text);transition:.18s}button:hover{transform:translateY(-1px);box-shadow:0 8px 18px rgba(83,58,44,.08)}button.primary{background:linear-gradient(135deg,var(--brand),#c9906c);color:white}.wide{width:100%}.hidden{display:none!important}.glass{background:var(--panel);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border:1px solid rgba(255,255,255,.7);box-shadow:var(--shadow)}
#toast{position:fixed;z-index:9999;right:24px;top:20px;display:flex;flex-direction:column;gap:8px}.toast{background:#28211f;color:#fff;padding:12px 16px;border-radius:12px;box-shadow:0 12px 30px rgba(0,0,0,.16);animation:in .2s}.toast.error{background:#8f3737}@keyframes in{from{opacity:0;transform:translateY(-8px)}}
.auth-wrap{min-height:100vh;display:grid;place-items:center;padding:28px}.auth-card{width:min(520px,96vw);padding:34px;border-radius:30px;text-align:center}.brand-mark{width:64px;height:64px;border-radius:22px;background:linear-gradient(135deg,#fff1e7,#ead0bc);color:var(--brand);display:grid;place-items:center;margin:0 auto 12px;font-size:32px;font-weight:900;box-shadow:inset 0 0 0 1px rgba(168,109,72,.12)}.brand-mark.small{width:44px;height:44px;border-radius:14px;margin:0;font-size:22px}.auth-card h1{margin:8px 0 4px}.auth-card>p{color:var(--muted);margin:0 0 24px}.auth-tabs{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;background:#f4ebe5;padding:6px;border-radius:15px}.auth-tabs button{background:transparent}.auth-tabs button.active{background:white;color:var(--brand);box-shadow:0 6px 16px rgba(104,72,50,.08)}.auth-panel{display:none;text-align:left;padding-top:18px}.auth-panel.active{display:block}.auth-panel label,.form-card label,.control-panel label{display:grid;gap:7px;margin:12px 0;color:#5f514b;font-size:14px}.auth-panel input,.form-card input,.form-card textarea,.form-card select,.control-panel input,.control-panel select,.control-panel textarea{width:100%;padding:12px 13px;border:1px solid var(--line);border-radius:12px;background:rgba(255,255,255,.8);outline:none}.auth-panel video{width:100%;height:260px;background:#1e1e1e;border-radius:18px;object-fit:cover;margin-bottom:10px}.tip{font-size:12px;color:var(--muted);line-height:1.6;margin-top:10px}.row{display:flex;gap:10px;align-items:center}
.app{display:grid;grid-template-columns:250px 1fr;min-height:100vh}.sidebar{position:sticky;top:0;height:100vh;padding:22px 16px;border-right:1px solid var(--line);background:rgba(255,250,246,.74);backdrop-filter:blur(18px);display:flex;flex-direction:column}.brand{display:flex;gap:10px;align-items:center;padding:4px 6px 22px}.brand div:last-child{display:grid;gap:2px}.brand span{font-size:11px;color:var(--muted)}nav{display:grid;gap:7px}nav button{text-align:left;background:transparent;padding:13px 14px;border-radius:14px;color:#5e5049}nav button.active{background:linear-gradient(135deg,#b27b57,#9c6443);color:#fff;box-shadow:0 12px 22px rgba(142,91,59,.18)}.sidebar-bottom{margin-top:auto;display:grid;gap:8px}.sidebar-bottom button{background:#f2e9e3}
main{min-width:0;padding:0 28px 36px}.topbar{height:92px;display:flex;align-items:center;justify-content:space-between}.topbar h2{margin:0;font-size:24px}.topbar p{margin:5px 0 0;color:var(--muted);font-size:13px}.user-chip{display:grid;grid-template-columns:10px auto;column-gap:8px;align-items:center;background:rgba(255,255,255,.72);padding:10px 14px;border:1px solid var(--line);border-radius:16px}.user-chip span{width:9px;height:9px;border-radius:50%;background:#45b978;grid-row:1/3}.user-chip small{color:var(--muted)}.page{display:none}.page.active{display:block}
.hero-grid{display:grid;grid-template-columns:minmax(560px,1.3fr) minmax(330px,.7fr);gap:20px}.digital-card{border-radius:28px;overflow:hidden}.avatar-stage{height:430px;position:relative;display:grid;place-items:end center;background:linear-gradient(180deg,#f7d8c5 0%,#f4e4da 58%,#d8b38f 100%);overflow:hidden}.avatar-stage:after{content:"";position:absolute;inset:auto 0 0;height:90px;background:linear-gradient(transparent,rgba(88,52,35,.12))}.avatar-glow{position:absolute;width:460px;height:460px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.8),rgba(255,255,255,0));top:10px}.avatar-person{position:relative;width:260px;height:360px;z-index:2}.hair{position:absolute;width:230px;height:240px;border-radius:48% 48% 38% 38%;background:radial-gradient(circle at 52% 30%,#b97043,#7d3f22 60%,#5d2f1b);left:16px;top:0;box-shadow:inset 0 -25px 35px rgba(59,24,10,.25)}.face{position:absolute;width:155px;height:180px;border-radius:48% 48% 45% 45%;background:linear-gradient(#f5c9ac,#efb995);left:54px;top:45px;border:1px solid rgba(141,78,44,.13)}.eye{position:absolute;width:18px;height:24px;border-radius:50%;background:#4a2519;top:78px;box-shadow:inset 0 0 0 5px #fff, inset 0 0 0 7px #6b3b20}.e1{left:34px}.e2{right:34px}.smile{position:absolute;width:46px;height:18px;border-bottom:3px solid #b96358;border-radius:50%;left:54px;top:124px}.body{position:absolute;width:230px;height:175px;border-radius:70px 70px 12px 12px;background:linear-gradient(135deg,#ead8cb,#fff7f1);left:15px;bottom:0;box-shadow:inset 0 0 0 2px rgba(167,111,73,.07)}.status-pill{position:absolute;z-index:3;top:18px;right:18px;background:rgba(255,255,255,.74);padding:9px 13px;border-radius:999px;font-size:12px;color:#5f514b}.chat-box{height:190px;overflow:auto;padding:18px 20px;background:rgba(255,248,243,.88);display:flex;flex-direction:column;gap:10px}.msg{max-width:82%;padding:11px 14px;border-radius:15px;line-height:1.55;font-size:14px}.msg.ai{background:white;border:1px solid var(--line);align-self:flex-start}.msg.user{background:#a86d48;color:white;align-self:flex-end}.chat-input{display:grid;grid-template-columns:44px 1fr auto;gap:8px;padding:14px;background:#fff}.chat-input input{border:1px solid var(--line);border-radius:13px;padding:11px 13px;outline:none}.side-stack{display:grid;grid-template-rows:auto 1fr;gap:20px}.metric-card,.room-card{border-radius:24px;padding:20px}.metric-card>div:first-child{display:flex;align-items:baseline;gap:7px}.metric-card span{font-weight:700}.metric-card b{font-size:42px;color:#4caf78;margin-left:auto}.metric-card small{color:var(--muted)}.gauge{height:10px;border-radius:999px;background:#eee7e1;overflow:hidden;margin:18px 0}.gauge i{display:block;height:100%;background:linear-gradient(90deg,#4eb481,#f2c043);border-radius:999px}.metric-card p{color:var(--muted);font-size:12px;line-height:1.6}.card-head{display:flex;justify-content:space-between;margin-bottom:10px}.card-head span{color:var(--muted);font-size:12px}.three-box{height:310px;border-radius:18px;overflow:hidden;background:linear-gradient(135deg,#f7f0ea,#e9f1ed)}.three-box.large{height:560px}.feature-row{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:20px}.feature-row>div{background:rgba(255,255,255,.7);border:1px solid var(--line);border-radius:18px;padding:16px;display:grid;grid-template-columns:46px 1fr;column-gap:11px}.feature-row i{width:46px;height:46px;border-radius:14px;background:#f0dfd3;color:var(--brand);display:grid;place-items:center;font-weight:800;font-style:normal;grid-row:1/3}.feature-row span{font-size:12px;color:var(--muted);margin-top:4px}
.section-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}.section-tabs button{background:rgba(255,255,255,.7);border:1px solid var(--line)}.section-tabs button.active{background:var(--brand);color:white}.tab-panel{display:none}.tab-panel.active{display:block}.chip-row{display:flex;gap:8px;flex-wrap:wrap;margin:4px 0 16px}.chip-row button{background:white;border:1px solid var(--line)}.chip-row button.active{background:#b37c57;color:#fff}.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.card{background:rgba(255,255,255,.8);border:1px solid var(--line);border-radius:18px;padding:17px;box-shadow:0 10px 28px rgba(88,63,48,.06)}.card h3,.card h4{margin:4px 0 8px}.card p{color:#6f615a;font-size:13px;line-height:1.7}.card .tag{display:inline-block;background:#f1e4db;color:#9b6746;border-radius:999px;padding:5px 9px;font-size:11px}.form-card{border-radius:20px;padding:22px;max-width:680px}.form-card h3{margin-top:0}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:18px}.list{display:grid;gap:10px}.list-item{background:rgba(255,255,255,.78);border:1px solid var(--line);border-radius:15px;padding:14px}.list-item b{display:block;margin-bottom:5px}.list-item small{color:var(--muted)}
.abc-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:20px}.explanation,.quadrant,.reaction{border-radius:22px;padding:20px}.explanation textarea{width:100%;min-height:70px;margin:6px 0;border:1px solid var(--line);border-radius:12px;padding:10px;background:white}.quad-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:14px}.quad-grid button{min-height:120px;text-align:left;padding:18px;background:white;border:1px solid var(--line);font-weight:700}.quad-grid button:nth-child(1){border-top:6px solid #56b67b}.quad-grid button:nth-child(2){border-top:6px solid #f47b53}.quad-grid button:nth-child(3){border-top:6px solid #5a9dea}.quad-grid button:nth-child(4){border-top:6px solid #9277e5}.quad-grid small{display:block;font-weight:400;color:var(--muted);margin-top:8px}.guide{margin-top:14px;padding:14px;border-radius:13px;background:#fff9f4;color:#66554c;line-height:1.6}.reaction{margin-top:18px}.reaction #reactionTarget{width:110px;height:110px;border-radius:50%;display:grid;place-items:center;background:#e4dfdc;margin:18px 0;font-weight:800;user-select:none}.reaction #reactionTarget.ready{background:#54b77d;color:#fff;box-shadow:0 0 0 14px rgba(84,183,125,.14)}
.family-layout{display:grid;grid-template-columns:250px 1fr;gap:16px}.control-panel{padding:18px;border-radius:20px}.control-panel button{width:100%;margin:5px 0}.report-box{margin-top:15px}.report-card{background:white;border:1px solid var(--line);border-radius:18px;padding:18px}.report-card ul{line-height:1.8}.doodle-layout{display:grid;grid-template-columns:1fr 330px;gap:18px}.doodle-layout>.glass{border-radius:20px;padding:14px}#doodleCanvas{width:100%;height:auto;background:#fffdfb;border-radius:14px;border:1px solid var(--line);touch-action:none}.canvas-tools{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-top:10px}.file-btn{background:#f0e7e0;border-radius:12px;padding:10px 14px;cursor:pointer}.report-side{line-height:1.7}.report-side table{width:100%;border-collapse:collapse}.report-side td{border-bottom:1px solid var(--line);padding:8px 4px}
.report-top{display:grid;grid-template-columns:1fr .7fr;gap:16px}.report-hero,.mini-metrics{border-radius:22px;padding:20px}.mini-metrics{display:grid;grid-template-columns:1fr 1fr;gap:12px}.mini-metrics span{background:#fff;padding:14px;border-radius:14px}.mini-metrics b{font-size:26px;color:var(--brand)}.upgrade-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.upgrade{border-radius:22px;padding:22px;min-height:230px}.upgrade>span{color:var(--brand);font-size:12px;font-weight:700}.upgrade p{line-height:1.75;color:#6f615a}.metric-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin-bottom:18px}.metric{background:white;border:1px solid var(--line);border-radius:18px;padding:16px}.metric b{display:block;font-size:32px;color:var(--brand)}
.modal{position:fixed;inset:0;z-index:999;background:rgba(50,39,34,.32);display:grid;place-items:center;padding:20px}.modal-card{width:min(760px,94vw);max-height:86vh;overflow:auto;border-radius:24px;padding:24px;position:relative}.close{position:absolute;right:12px;top:12px;width:36px;height:36px;border-radius:50%;font-size:22px;padding:0}
#feedbackBtn{border:1px solid rgba(151,99,65,.14);background:rgba(255,249,244,.78);color:#74533e;box-shadow:0 6px 18px rgba(92,53,30,.07)}
.modal-card label{display:grid;gap:8px;margin:14px 0;color:#6c574a;font-size:13px;font-weight:600}.modal-card select,.modal-card textarea,.modal-card input{width:100%;padding:12px 14px;border:1px solid rgba(143,98,67,.16);border-radius:14px;background:rgba(255,255,255,.76);color:var(--text);outline:none}.modal-card textarea{resize:vertical;min-height:110px}.modal-card .primary{min-width:120px}
@media(max-width:1100px){.app{grid-template-columns:210px 1fr}.hero-grid{grid-template-columns:1fr}.side-stack{grid-template-columns:1fr 1fr;grid-template-rows:auto}.card-grid{grid-template-columns:repeat(2,1fr)}.feature-row{grid-template-columns:1fr 1fr}.upgrade-grid{grid-template-columns:1fr}.metric-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:760px){.app{display:block}.sidebar{position:relative;height:auto}.sidebar nav{grid-template-columns:1fr 1fr}.sidebar-bottom{grid-template-columns:1fr 1fr;margin-top:12px}main{padding:0 14px 24px}.topbar{height:auto;padding:18px 0}.user-chip{display:none}.hero-grid,.two-col,.abc-layout,.family-layout,.doodle-layout,.report-top{grid-template-columns:1fr}.card-grid{grid-template-columns:1fr}.feature-row{grid-template-columns:1fr}.side-stack{grid-template-columns:1fr}.metric-grid{grid-template-columns:1fr 1fr}.avatar-stage{height:360px}.three-box.large{height:430px}}

/* v2 additions */
.room-banner{border-radius:22px;padding:18px;display:grid;grid-template-columns:minmax(280px,.8fr) minmax(340px,1.2fr);gap:18px;align-items:center;margin-bottom:18px}.three-box.compact{height:230px}.checkin-card{border-radius:22px;padding:18px;margin-bottom:18px}.checkin-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.checkin-grid label{display:grid;gap:7px;padding:12px;background:rgba(255,255,255,.72);border:1px solid var(--line);border-radius:14px}.checkin-grid b{color:var(--brand)}.checkin-card>.row input,#knowledgeQuery,#adminUserKeyword{flex:1;min-width:160px;padding:11px 13px;border:1px solid var(--line);border-radius:12px;background:white}.option-stack{display:grid;gap:10px;margin:14px 0}.option-stack button{text-align:left;padding:14px;border:1px solid var(--line);background:white}.breath-orb{width:130px;height:130px;border-radius:50%;display:grid;place-items:center;margin:20px auto;background:linear-gradient(135deg,#c9eadf,#f3d9c6);font-weight:800;transition:transform 3s ease}.breath-orb.expand{transform:scale(1.28)}.center{text-align:center;justify-content:center}.big-number{font-size:38px;font-weight:800;margin:12px}.huge-letter{font-size:88px;font-weight:900;margin:20px}.chart-card{border-radius:22px;padding:18px;margin:16px 0}.chart-card canvas{width:100%;height:260px;display:block}.floating-assistant{position:fixed;right:24px;bottom:24px;z-index:300;background:linear-gradient(135deg,#a86d48,#d09a74);color:#fff;border-radius:999px;padding:14px 18px;box-shadow:0 14px 34px rgba(111,72,50,.28);display:flex;align-items:center;gap:8px}.floating-assistant span{font-size:13px}.fallback360{width:100%;height:100%;display:block;touch-action:none}.fallback-note{height:100%;display:grid;place-items:center;text-align:center;padding:30px;color:var(--muted)}.art-block{height:150px;border-radius:14px;margin:10px 0;background:linear-gradient(135deg,#e6d4c5,#dcece5)}.art-1{background:linear-gradient(145deg,#d8e8d7,#c7d8c2 45%,#ead2b7)}.art-2{background:linear-gradient(165deg,#fdc88d,#ef9d72 40%,#7aa6bd)}.art-3{background:linear-gradient(135deg,#1e3150,#315a7b 55%,#efbc69)}.art-4{background:linear-gradient(180deg,#c9d5d7,#e4eee9 48%,#879a83)}.art-5{background:linear-gradient(135deg,#e5e2dd,#b7c7d3 60%,#8ba5b5)}
@media(max-width:900px){.room-banner{grid-template-columns:1fr}.checkin-grid{grid-template-columns:1fr 1fr}.three-box.compact{height:280px}}
@media(max-width:560px){.checkin-grid{grid-template-columns:1fr}.floating-assistant span{display:none}.floating-assistant{width:52px;height:52px;padding:0;justify-content:center}}

/* v3 warm responsive visual system — portrait baseline 1080x1920 */
:root{
  --bg:#fbf6ef;--panel:rgba(255,252,248,.88);--panel2:#fffaf5;--text:#483529;--muted:#907a6b;
  --brand:#a9693e;--brand-deep:#87502f;--brand2:#d79561;--peach:#f2d1b5;--cream:#fff8ef;
  --line:rgba(143,98,67,.14);--shadow:0 18px 55px rgba(126,84,54,.12);--shadow-soft:0 8px 28px rgba(126,84,54,.08);--r:24px;
}
html{background:#fbf6ef;scroll-behavior:smooth;-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{min-width:320px;background:linear-gradient(145deg,#fffaf4 0%,#f8eee4 46%,#fcf7f0 100%);line-height:1.5}
body:before{z-index:0;background:radial-gradient(circle at 10% 5%,rgba(255,190,133,.18),transparent 28%),radial-gradient(circle at 92% 20%,rgba(234,183,143,.16),transparent 26%),linear-gradient(rgba(255,255,255,.2),rgba(255,255,255,0))}
body>*{position:relative;z-index:1}
button{min-height:42px;border:1px solid transparent;border-radius:14px;background:#f4e9df;color:var(--text);font-weight:600;letter-spacing:.01em}
button:hover{border-color:rgba(169,105,62,.16);box-shadow:0 8px 22px rgba(126,84,54,.1)}
button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid rgba(205,137,87,.24);outline-offset:2px}
button.primary{border-color:rgba(128,73,42,.12);background:linear-gradient(135deg,#b9784c,#965a36);box-shadow:0 10px 24px rgba(151,91,54,.2)}
.logout-icon{display:none;width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.glass{background:linear-gradient(145deg,rgba(255,253,250,.94),rgba(255,248,241,.82));border:1px solid rgba(153,104,72,.12);box-shadow:var(--shadow);backdrop-filter:blur(22px);-webkit-backdrop-filter:blur(22px)}

/* Login / face recognition */
.auth-wrap{min-height:100svh;padding:clamp(18px,3vw,48px)}
.auth-shell{width:min(1180px,calc(100vw - 48px));min-height:min(760px,calc(100svh - 72px));display:grid;grid-template-columns:1.08fr .92fr;border-radius:34px;overflow:hidden}
.auth-visual{position:relative;min-height:680px;overflow:hidden;background:#f2d9c7}
.auth-visual:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(78,43,25,.04) 35%,rgba(83,46,26,.7) 100%)}
.auth-visual>img,.auth-visual>object{width:100%;height:100%;display:block;object-fit:cover;object-position:center center;transform:scale(1.04)}.auth-visual>object{border:0;pointer-events:none}
.auth-brand{position:absolute;z-index:2;left:28px;top:26px;display:flex;align-items:center;gap:11px;padding:9px 13px 9px 9px;border:1px solid rgba(255,255,255,.64);border-radius:17px;background:rgba(255,249,242,.76);backdrop-filter:blur(16px);box-shadow:var(--shadow-soft)}
.auth-brand>div:last-child{display:grid}.auth-brand b{font-size:14px}.auth-brand span{font-size:10px;color:var(--muted)}
.auth-visual-copy{position:absolute;z-index:2;left:38px;right:38px;bottom:34px;color:#fff;text-shadow:0 2px 18px rgba(68,37,22,.26)}
.auth-visual-copy span{display:inline-block;padding:6px 10px;border:1px solid rgba(255,255,255,.34);border-radius:999px;background:rgba(255,255,255,.12);font-size:12px;letter-spacing:.12em}
.auth-visual-copy h2{margin:14px 0 0;font-size:clamp(30px,3vw,44px);line-height:1.22;font-weight:650;letter-spacing:.04em}
.auth-card{width:auto;padding:clamp(32px,5vw,66px);border-radius:0;text-align:left;background:rgba(255,251,246,.82);display:flex;flex-direction:column;justify-content:center}
.auth-heading{text-align:left;margin-bottom:26px}.auth-heading .brand-mark{display:none}.auth-heading .eyebrow{margin:0 0 10px;color:var(--brand);font-size:11px;font-weight:800;letter-spacing:.18em}.auth-heading h1{margin:0;font-size:34px;font-weight:650}.auth-heading>p:last-child{margin:9px 0 0;color:var(--muted);font-size:13px}
.brand-mark{color:var(--brand-deep);background:linear-gradient(145deg,#fffaf4,#ead0bb);border:1px solid rgba(153,95,55,.14);box-shadow:inset 0 1px 0 rgba(255,255,255,.7),0 8px 20px rgba(125,79,47,.1)}
.auth-tabs{gap:5px;padding:5px;background:#f3e8de;border:1px solid rgba(146,96,63,.08)}.auth-tabs button{min-height:40px;padding:8px;background:transparent;color:#8a7465;font-size:13px}.auth-tabs button.active{color:var(--brand-deep);background:#fffaf5;box-shadow:0 5px 14px rgba(116,73,45,.08)}
.auth-panel{padding-top:18px}.auth-panel label{gap:8px;margin:13px 0;color:#6c574a;font-size:13px;font-weight:600}.auth-panel input,.auth-panel select{min-height:47px;padding:12px 14px;background:rgba(255,255,255,.82);border:1px solid rgba(142,96,64,.16);border-radius:14px;color:var(--text)}
.auth-panel .primary.wide{margin-top:7px;min-height:49px}.auth-panel video{height:270px;border:4px solid rgba(255,255,255,.86);background:#291f19;box-shadow:var(--shadow-soft)}

/* App shell */
.app{grid-template-columns:248px minmax(0,1fr);background:linear-gradient(150deg,#fffaf4,#f8efe6 55%,#fcf8f2)}
.sidebar{z-index:90;padding:22px 15px;border-right:1px solid rgba(145,96,64,.12);background:rgba(255,250,244,.86);box-shadow:8px 0 30px rgba(110,73,48,.035)}
.brand{padding:4px 7px 25px}.brand b{font-size:14px;color:#4c382d}.brand span{font-size:10px}
nav{gap:6px}nav button{min-height:46px;padding:12px 14px;border:1px solid transparent;border-radius:14px;color:#735d4f;font-size:13px;font-weight:600}nav button:hover{background:#f7ece3;transform:none;box-shadow:none}nav button.active{border-color:rgba(121,72,42,.08);background:linear-gradient(135deg,#b7774c,#925532);box-shadow:0 12px 28px rgba(136,80,47,.2)}
.sidebar-bottom{gap:7px}.sidebar-bottom button{min-height:38px;padding:8px 11px;background:rgba(244,233,223,.78);font-size:12px}.sidebar-bottom .tip{padding:8px;border-radius:10px;background:rgba(255,255,255,.56)}
main{padding:0 clamp(20px,2.2vw,38px) 42px}.topbar{height:96px}.topbar h2{font-size:23px;font-weight:650}.topbar p{color:#9a8475;letter-spacing:.02em}.user-chip{min-width:150px;background:rgba(255,252,248,.8);border-color:rgba(143,98,67,.12);box-shadow:var(--shadow-soft)}

/* Digital human hall */
.hero-grid{grid-template-columns:minmax(560px,1.36fr) minmax(315px,.64fr);gap:22px}.digital-card{border-radius:26px}.avatar-stage{height:clamp(420px,52vh,590px);display:block;background:#efd1ba;isolation:isolate}
.avatar-stage:after{z-index:2;height:58%;background:linear-gradient(180deg,transparent 18%,rgba(91,53,31,.08) 54%,rgba(70,38,21,.42) 100%)}
.avatar-glow{z-index:1;width:70%;height:80%;left:15%;top:4%;background:radial-gradient(circle,rgba(255,255,255,.44),rgba(255,255,255,0) 68%)}
.avatar-svg{position:absolute;z-index:1;inset:0;width:100%;height:100%;display:block;border:0;overflow:hidden;transition:filter .3s ease}.digital-card:hover .avatar-svg{filter:saturate(1.025) brightness(1.012)}.avatar-fallback{width:100%;height:100%;display:block;object-fit:cover}
.avatar-voice-indicator{position:absolute;z-index:5;top:68px;right:20px;display:flex;align-items:center;gap:9px;padding:8px 12px;border:1px solid rgba(255,255,255,.72);border-radius:999px;background:rgba(117,67,42,.72);color:#fff;box-shadow:0 10px 26px rgba(82,43,23,.16);backdrop-filter:blur(15px);-webkit-backdrop-filter:blur(15px);opacity:0;transform:translateY(-7px) scale(.96);transition:opacity .22s ease,transform .22s ease,background .22s ease,box-shadow .22s ease;pointer-events:none}.avatar-voice-indicator b{font-size:11px;font-weight:650;letter-spacing:.02em}.avatar-stage.is-speaking .avatar-voice-indicator,.avatar-stage.is-listening .avatar-voice-indicator{opacity:1;transform:none}.avatar-stage.is-listening .avatar-voice-indicator{background:rgba(43,139,105,.82);box-shadow:0 0 0 5px rgba(72,184,142,.13),0 12px 30px rgba(31,101,77,.2)}
.voice-wave{height:17px;display:flex;align-items:center;gap:2px}.voice-wave i{display:block;width:2px;height:5px;border-radius:99px;background:#fff;animation:voice-wave .62s ease-in-out infinite}.voice-wave i:nth-child(2),.voice-wave i:nth-child(4){animation-delay:-.18s}.voice-wave i:nth-child(3){animation-delay:-.36s}.voice-wave i:nth-child(5){animation-delay:-.1s}
.avatar-stage.is-listening .voice-wave i{animation-name:listening-wave;animation-duration:.48s}.avatar-stage.is-listening .avatar-glow{animation:listening-glow 1.65s ease-in-out infinite}
.chat-input #voiceBtn.is-recording,.floating-assistant.is-recording{color:#fff;background:linear-gradient(135deg,#39a77e,#237c60);box-shadow:0 0 0 0 rgba(57,167,126,.42);animation:recording-pulse 1.35s ease-out infinite}.chat-input #voiceBtn.is-recording:hover,.floating-assistant.is-recording:hover{transform:none}
@keyframes voice-wave{0%,100%{height:5px;opacity:.68}50%{height:16px;opacity:1}}@keyframes listening-wave{0%,100%{height:4px;opacity:.58}35%{height:16px;opacity:1}70%{height:9px;opacity:.82}}@keyframes listening-glow{0%,100%{opacity:.55;transform:scale(.96)}50%{opacity:1;transform:scale(1.06)}}@keyframes recording-pulse{0%{box-shadow:0 0 0 0 rgba(57,167,126,.42)}70%,100%{box-shadow:0 0 0 13px rgba(57,167,126,0)}}
@media(prefers-reduced-motion:reduce){.voice-wave i,.avatar-stage.is-listening .avatar-glow,.chat-input #voiceBtn.is-recording,.floating-assistant.is-recording{animation:none}}
.status-pill{top:20px;right:20px;display:flex;align-items:center;gap:7px;padding:9px 13px;border:1px solid rgba(255,255,255,.6);background:rgba(255,251,246,.78);backdrop-filter:blur(14px);box-shadow:0 8px 24px rgba(91,54,32,.1)}.status-pill i{width:7px;height:7px;border-radius:50%;background:#55b77c;box-shadow:0 0 0 4px rgba(85,183,124,.14)}
.avatar-welcome{position:absolute;z-index:4;left:25px;bottom:23px;display:grid;color:#fff;text-shadow:0 2px 12px rgba(66,34,17,.28)}.avatar-welcome span{font-size:11px;letter-spacing:.08em;opacity:.82}.avatar-welcome b{margin:3px 0;font-size:24px;font-weight:650}.avatar-welcome small{font-size:12px;opacity:.9}
.chat-box{height:170px;padding:18px 20px;background:linear-gradient(180deg,rgba(255,250,245,.95),rgba(255,252,249,.98))}.msg{border-radius:17px;font-size:13px}.msg.ai{background:#fff;border-color:rgba(146,97,65,.11);box-shadow:0 5px 16px rgba(112,72,47,.045)}.msg.user{background:linear-gradient(135deg,#b7774b,#975a36)}
.chat-input{grid-template-columns:44px 44px minmax(0,1fr) auto;padding:12px 16px;background:rgba(255,253,250,.96)}.chat-input input{min-width:0;background:#fbf6f1;border-color:rgba(143,98,67,.14)}.chat-input .tts-off{opacity:.58}.digital-card>.row{padding:0 16px 14px;background:rgba(255,253,250,.96);justify-content:space-between}.digital-card>.row .tip{margin:0}.digital-card>.row button{min-height:34px;padding:7px 10px;font-size:11px}
.chat-meta-actions{display:flex;align-items:center;gap:8px}.chat-meta-row #conversationModeBtn{border-color:rgba(48,139,105,.22);color:#38775f;white-space:nowrap}.chat-meta-row #conversationModeBtn.active{border-color:transparent;background:linear-gradient(135deg,#42a47e,#26765b);color:#fff;box-shadow:0 7px 18px rgba(38,118,91,.2)}
.msg.typing{color:var(--muted);font-style:italic}.msg.typing:after{content:'···';display:inline-block;width:0;overflow:hidden;vertical-align:bottom;animation:typingDots 1.2s steps(4,end) infinite}@keyframes typingDots{to{width:1.5em}}
.status-pill.local-mode i{background:#e2a84d;box-shadow:0 0 0 4px rgba(226,168,77,.16)}
.side-stack{gap:18px}.metric-card,.room-card{border-radius:22px;padding:18px}.metric-card b{color:#51a76e}.gauge{height:9px;background:#ede5dd}.room-card{min-height:0}.three-box{border:1px solid rgba(143,98,67,.1);background:linear-gradient(145deg,#f9eee5,#eef4ee)}
.feature-row{gap:13px;margin-top:18px}.feature-row>div{border-color:rgba(143,98,67,.11);background:rgba(255,252,248,.78);box-shadow:var(--shadow-soft)}.feature-row i{background:linear-gradient(145deg,#f8e7d8,#eed3bd);color:#9a5e39}

/* Shared content cards */
.section-tabs{padding:5px;border-radius:16px;background:rgba(240,224,211,.54);width:max-content;max-width:100%}.section-tabs button{border-color:transparent;background:transparent;color:#806b5d}.section-tabs button.active{background:linear-gradient(135deg,#b6764a,#955936);box-shadow:0 7px 18px rgba(135,79,46,.16)}
.card,.list-item,.metric{border-color:rgba(143,98,67,.11);background:rgba(255,253,250,.86);box-shadow:var(--shadow-soft)}.card{border-radius:19px}.form-card,.explanation,.quadrant,.reaction,.room-banner,.checkin-card,.report-hero,.mini-metrics,.chart-card,.upgrade{border-radius:23px}
.form-card input,.form-card textarea,.form-card select,.control-panel input,.control-panel select,.control-panel textarea,.checkin-card>.row input,#knowledgeQuery,#adminUserKeyword{background:#fffdfb;border-color:rgba(143,98,67,.15)}
.three-box canvas{display:block}.floating-assistant{right:clamp(16px,2vw,28px);bottom:clamp(16px,2vw,28px);background:linear-gradient(135deg,#b8764a,#925533);box-shadow:0 14px 34px rgba(117,67,38,.26)}

/* Tall portrait displays, including 1080x1920 and 1216x2688. */
@media (orientation:portrait) and (max-width:1280px){
  .auth-shell{width:min(820px,calc(100vw - 48px));min-height:min(1380px,calc(100svh - 64px));grid-template-columns:1fr;grid-template-rows:minmax(540px,46%) auto}.auth-visual{min-height:0}.auth-visual>img{object-position:center 43%}.auth-card{padding:48px 70px}.auth-heading{margin-bottom:22px}
  .app{display:grid;grid-template-columns:188px minmax(0,1fr);align-items:start}.sidebar{position:sticky;top:0;height:100svh;display:flex;flex-direction:column;gap:0;padding:18px 12px;border-right:1px solid rgba(143,98,67,.12);border-bottom:0;box-shadow:8px 0 28px rgba(108,69,44,.045)}
  .sidebar .brand{padding:2px 5px 20px}.sidebar nav{display:grid;gap:6px;overflow:visible;padding:0}.sidebar nav button{width:100%;min-height:44px;padding:10px 11px;white-space:normal;font-size:12px}.sidebar-bottom{display:grid;margin-top:auto}.sidebar-bottom>*{display:block!important}.sidebar-bottom #serviceBadge{font-size:10px}.sidebar-bottom #logoutBtn{min-height:38px;padding:8px 10px}
  main{padding:0 22px 36px}.topbar{height:82px}.hero-grid{grid-template-columns:1fr}.avatar-stage{height:clamp(500px,58vw,650px)}.side-stack{grid-template-columns:minmax(240px,.62fr) minmax(340px,1.38fr);grid-template-rows:auto}.three-box{height:300px}.feature-row{grid-template-columns:repeat(2,1fr)}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.upgrade-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.metric-grid{grid-template-columns:repeat(3,1fr)}
}

@media (max-width:820px){
  .auth-wrap{padding:14px}.auth-shell{width:100%;min-height:calc(100svh - 28px);grid-template-columns:1fr;grid-template-rows:minmax(290px,40svh) auto;border-radius:26px}.auth-visual{min-height:0}.auth-visual>img{object-position:center 42%}.auth-visual-copy{left:24px;bottom:22px}.auth-visual-copy h2{font-size:28px}.auth-brand{left:18px;top:17px}.auth-card{padding:32px 24px}.auth-heading{margin-bottom:20px}.auth-heading h1{font-size:29px}
  .app{display:grid;grid-template-columns:118px minmax(0,1fr);align-items:start}.sidebar{position:sticky;top:0;height:100svh;display:flex;flex-direction:column;gap:0;padding:12px 8px}.sidebar .brand{justify-content:center;padding:0 0 14px}.sidebar .brand>div:last-child{display:none}.sidebar nav{display:grid;gap:5px;overflow:visible;padding:0}.sidebar nav button{width:100%;min-height:42px;padding:8px 6px;white-space:normal;text-align:center;font-size:10px;line-height:1.35}.sidebar-bottom{display:grid;margin-top:auto}.sidebar-bottom #serviceBadge,.sidebar-bottom #faceEnrollBtn,.sidebar-bottom #faceDeleteBtn{display:none!important}.sidebar-bottom #logoutBtn{display:block!important;min-height:36px;padding:7px 4px;font-size:10px}
  main{padding:0 12px 26px}.topbar{height:74px}.topbar h2{font-size:20px}.topbar p{font-size:11px}.hero-grid,.two-col,.abc-layout,.family-layout,.doodle-layout,.report-top,.room-banner{grid-template-columns:1fr}.side-stack{grid-template-columns:1fr}.avatar-stage{height:clamp(350px,72vw,520px)}.avatar-welcome{left:18px;bottom:18px}.avatar-welcome b{font-size:21px}.avatar-welcome small{max-width:250px}.status-pill{top:13px;right:13px;font-size:10px}.chat-box{height:190px}.feature-row,.card-grid,.upgrade-grid{grid-template-columns:1fr 1fr}.metric-grid{grid-template-columns:1fr 1fr}.room-banner{display:grid}.section-tabs{width:100%;overflow-x:auto;flex-wrap:nowrap}.section-tabs button{flex:0 0 auto;white-space:nowrap}
}

@media (max-width:560px){
  .auth-tabs button{font-size:12px;padding:7px 4px}.auth-panel .row{align-items:stretch}.auth-panel .row button{flex:1}.auth-visual-copy span{display:none}.auth-brand{transform:scale(.92);transform-origin:left top}
  .app{grid-template-columns:92px minmax(0,1fr)}.sidebar{padding:10px 6px}.brand-mark.small{width:39px;height:39px}.brand b{font-size:13px}.sidebar nav button{padding:7px 3px;font-size:9px}.avatar-stage{height:390px}.avatar-welcome small{display:none}.chat-input{grid-template-columns:38px 38px minmax(0,1fr) 56px;padding:10px}.chat-input button{padding:7px}.digital-card>.row{align-items:flex-start}.feature-row,.card-grid,.upgrade-grid{grid-template-columns:1fr}.feature-row>div{padding:13px}.metric-grid{grid-template-columns:1fr 1fr}.floating-assistant{width:50px;height:50px}.three-box.large{height:380px}
}

@media (orientation:landscape) and (max-height:650px){
  .auth-wrap{padding:12px}.auth-shell{min-height:calc(100svh - 24px)}.auth-visual{min-height:0}.auth-card{padding:22px 34px}.auth-heading{margin-bottom:12px}.auth-heading h1{font-size:26px}.auth-tabs{margin-bottom:0}.auth-panel{padding-top:10px}.auth-panel label{margin:8px 0}.auth-panel input,.auth-panel select{min-height:40px}.auth-panel video{height:170px}
}

@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

/* Portrait immersive hall: full-screen digital human with floating controls */
@media (orientation:portrait) and (max-width:1280px){
  body.hall-mode{overflow:hidden;background:#ead2c0}
  body.hall-mode .app{display:block;position:relative;width:100vw;height:100svh;min-height:0;overflow:hidden;background:#ead2c0}
  body.hall-mode .sidebar{position:fixed;z-index:220;left:18px;top:18px;bottom:18px;width:172px;height:auto;padding:0;border:0;border-radius:0;background:transparent;box-shadow:none;backdrop-filter:none;-webkit-backdrop-filter:none}
  body.hall-mode .sidebar .brand{padding:10px;border:1px solid rgba(255,255,255,.76);border-radius:18px;background:linear-gradient(135deg,rgba(255,255,255,.58),rgba(255,239,226,.28));box-shadow:inset 0 1px 0 rgba(255,255,255,.9),0 12px 30px rgba(79,45,26,.1);backdrop-filter:blur(22px) saturate(1.18);-webkit-backdrop-filter:blur(22px) saturate(1.18)}
  body.hall-mode .sidebar nav{display:grid;gap:8px;padding-top:12px}
  body.hall-mode .sidebar nav button{min-height:44px;padding:9px 10px;border:1px solid rgba(255,255,255,.76);border-radius:14px;background:linear-gradient(135deg,rgba(255,255,255,.56),rgba(255,240,228,.25));box-shadow:inset 0 1px 0 rgba(255,255,255,.92),inset 0 -1px 0 rgba(176,111,70,.08),0 10px 25px rgba(79,45,26,.09);font-size:11px;text-shadow:0 1px rgba(255,255,255,.45);backdrop-filter:blur(22px) saturate(1.2);-webkit-backdrop-filter:blur(22px) saturate(1.2)}
  body.hall-mode .sidebar nav button.active{border-color:rgba(255,222,199,.72);background:linear-gradient(135deg,rgba(186,116,72,.82),rgba(139,76,42,.68));box-shadow:inset 0 1px 0 rgba(255,255,255,.38),0 12px 28px rgba(109,61,34,.2);text-shadow:0 1px 8px rgba(82,42,20,.22);backdrop-filter:blur(22px) saturate(1.25);-webkit-backdrop-filter:blur(22px) saturate(1.25)}
  body.hall-mode .sidebar-bottom{margin-top:auto}
  body.hall-mode .sidebar-bottom #serviceBadge,body.hall-mode .sidebar-bottom #faceEnrollBtn,body.hall-mode .sidebar-bottom #faceDeleteBtn{display:none!important}
  body.hall-mode .sidebar-bottom #logoutBtn{display:flex!important;width:46px;height:46px;min-height:46px;margin:0 auto;padding:0;align-items:center;justify-content:center;border:1px solid rgba(255,255,255,.8);border-radius:50%;background:linear-gradient(135deg,rgba(255,255,255,.62),rgba(255,237,223,.3));box-shadow:inset 0 1px 0 rgba(255,255,255,.94),0 10px 26px rgba(79,45,26,.12);backdrop-filter:blur(22px) saturate(1.2);-webkit-backdrop-filter:blur(22px) saturate(1.2)}
  body.hall-mode .sidebar-bottom #logoutBtn .logout-icon{display:block}body.hall-mode .sidebar-bottom #logoutBtn .logout-label{display:none}
  body.hall-mode main{position:absolute;inset:0;padding:0;overflow:hidden}
  body.hall-mode .topbar{position:fixed;z-index:210;top:18px;left:210px;right:18px;height:62px;padding:0;pointer-events:none}
  body.hall-mode .topbar>div:first-child{padding:8px 14px;border:1px solid rgba(255,255,255,.52);border-radius:16px;background:rgba(255,249,243,.6);box-shadow:0 10px 30px rgba(79,45,26,.1);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}
  body.hall-mode .topbar h2{font-size:18px}body.hall-mode .topbar p{margin-top:1px}
  body.hall-mode .user-chip{display:grid;pointer-events:auto;background:rgba(255,250,245,.7);border-color:rgba(255,255,255,.62);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}
  body.hall-mode #page-hall.active{display:block;position:absolute;inset:0;width:100%;height:100%;overflow:hidden}
  body.hall-mode #page-hall .hero-grid{display:block;position:absolute;inset:0;width:100%;height:100%}
  body.hall-mode #page-hall .digital-card{position:absolute;inset:0;width:100%;height:100%;overflow:hidden;border:0;border-radius:0;background:#ead2c0;box-shadow:none;backdrop-filter:none;-webkit-backdrop-filter:none}
  body.hall-mode #page-hall .avatar-stage{position:absolute;z-index:0;inset:0;width:100%;height:100%;border-radius:0;background:#ead2c0}
  body.hall-mode #page-hall .avatar-stage:after{height:66%;background:linear-gradient(180deg,transparent 32%,rgba(81,45,25,.08) 62%,rgba(65,34,18,.48) 100%)}
  body.hall-mode #page-hall .avatar-svg{width:100%;height:100%}
  body.hall-mode #page-hall .status-pill{z-index:12;top:96px;right:24px;background:rgba(255,250,245,.7);border-color:rgba(255,255,255,.64);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}
  body.hall-mode #page-hall .avatar-voice-indicator{z-index:12;top:140px;right:24px}
  body.hall-mode #page-hall .avatar-welcome{z-index:12;left:220px;right:300px;bottom:300px}
  body.hall-mode #page-hall .avatar-welcome b{font-size:28px}body.hall-mode #page-hall .avatar-welcome small{font-size:13px}
  body.hall-mode #page-hall .chat-box{position:absolute;z-index:20;left:210px;right:24px;bottom:126px;height:150px;padding:12px;overflow:auto;border:1px solid rgba(255,255,255,.42);border-radius:20px;background:rgba(255,248,242,.35);box-shadow:0 14px 40px rgba(73,40,22,.1);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px)}
  body.hall-mode #page-hall .msg.ai{background:rgba(255,253,250,.84)}body.hall-mode #page-hall .msg.user{background:rgba(151,88,51,.9)}
  body.hall-mode #page-hall .chat-input{position:absolute;z-index:22;left:210px;right:24px;bottom:62px;padding:8px;border:1px solid rgba(255,255,255,.72);border-radius:18px;background:linear-gradient(135deg,rgba(255,255,255,.56),rgba(255,235,220,.28));box-shadow:inset 0 1px 0 rgba(255,255,255,.9),0 14px 36px rgba(74,41,23,.13);backdrop-filter:blur(24px) saturate(1.18);-webkit-backdrop-filter:blur(24px) saturate(1.18)}
  body.hall-mode #page-hall .chat-input button{border:1px solid rgba(255,255,255,.7);background:linear-gradient(135deg,rgba(255,255,255,.58),rgba(244,213,191,.32));box-shadow:inset 0 1px 0 rgba(255,255,255,.9),0 6px 16px rgba(82,46,25,.08);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px)}
  body.hall-mode #page-hall .chat-input button.primary{border-color:rgba(255,220,194,.56);background:linear-gradient(135deg,rgba(184,110,65,.84),rgba(143,77,42,.76));color:#fff}
  body.hall-mode #page-hall .chat-input input{background:rgba(255,255,255,.7)}
  body.hall-mode #page-hall .digital-card>.row{position:absolute;z-index:23;left:222px;right:36px;bottom:25px;padding:0;background:transparent;color:#fff;text-shadow:0 1px 8px rgba(67,34,17,.42)}
  body.hall-mode #page-hall .digital-card>.row .tip{color:rgba(255,255,255,.88)}
  body.hall-mode #page-hall #feedbackBtn{min-height:34px;padding:7px 13px;border:1px solid rgba(255,255,255,.76);border-radius:999px;background:linear-gradient(135deg,rgba(255,255,255,.58),rgba(255,234,218,.3));color:#6f4d38;text-shadow:none;box-shadow:inset 0 1px 0 rgba(255,255,255,.94),0 9px 22px rgba(72,40,22,.1);backdrop-filter:blur(20px) saturate(1.18);-webkit-backdrop-filter:blur(20px) saturate(1.18)}
  body.hall-mode #page-hall #feedbackBtn:hover{background:linear-gradient(135deg,rgba(255,255,255,.72),rgba(255,231,213,.4));transform:translateY(-1px)}
  body.hall-mode #page-hall .side-stack{position:fixed;z-index:225;top:512px;left:18px;right:auto;display:block;width:172px}
  body.hall-mode #page-hall .metric-card{padding:13px;border-color:rgba(255,255,255,.76);border-radius:17px;background:linear-gradient(135deg,rgba(255,255,255,.58),rgba(255,239,226,.28));box-shadow:inset 0 1px 0 rgba(255,255,255,.9),0 12px 32px rgba(72,40,22,.1);backdrop-filter:blur(22px) saturate(1.18);-webkit-backdrop-filter:blur(22px) saturate(1.18)}
  body.hall-mode #page-hall .metric-card b{font-size:31px}body.hall-mode #page-hall .metric-card p{margin-bottom:0;font-size:10px}
  body.hall-mode #page-hall .room-card,body.hall-mode #page-hall .feature-row{display:none!important}
  body.hall-mode #floatingAssistant{display:none!important}
}

@media (orientation:portrait) and (max-width:820px){
  body.hall-mode .sidebar{left:10px;top:10px;bottom:10px;width:108px;padding:0;border-radius:0}
  body.hall-mode .sidebar .brand{justify-content:center;padding:8px}body.hall-mode .sidebar .brand>div:last-child{display:none}
  body.hall-mode .sidebar nav{grid-template-columns:minmax(0,1fr);gap:4px;padding-top:7px}body.hall-mode .sidebar nav button{width:100%;min-height:39px;padding:6px 3px;font-size:9px;text-align:center}
  body.hall-mode .topbar{top:10px;left:128px;right:10px;height:55px}body.hall-mode .topbar>div:first-child{display:none}body.hall-mode .user-chip{margin-left:auto;min-width:128px;padding:7px 10px}
  body.hall-mode #page-hall .status-pill{top:78px;right:10px}
  body.hall-mode #page-hall .avatar-voice-indicator{top:120px;right:10px}
  body.hall-mode #page-hall .side-stack{top:430px;left:10px;right:auto;width:108px}body.hall-mode #page-hall .metric-card{padding:9px}body.hall-mode #page-hall .metric-card p{display:none}body.hall-mode #page-hall .metric-card>div:first-child{display:grid;grid-template-columns:1fr auto}body.hall-mode #page-hall .metric-card b{font-size:25px}
  body.hall-mode #page-hall .avatar-welcome{left:132px;right:16px;bottom:284px}body.hall-mode #page-hall .avatar-welcome b{font-size:23px}
  body.hall-mode #page-hall .chat-box{left:128px;right:10px;bottom:121px;height:145px;padding:9px}
  body.hall-mode #page-hall .chat-input{left:128px;right:10px;bottom:58px;padding:7px}
  body.hall-mode #page-hall .digital-card>.row{left:136px;right:18px;bottom:20px}
}

@media (orientation:portrait) and (max-width:560px){
  body.hall-mode .sidebar{left:max(7px,env(safe-area-inset-left));top:max(7px,env(safe-area-inset-top));bottom:max(7px,env(safe-area-inset-bottom));width:82px;padding:0}body.hall-mode .sidebar nav{grid-template-columns:minmax(0,1fr);gap:6px}body.hall-mode .sidebar nav button{font-size:8px;line-height:1.25}
  body.hall-mode .topbar{left:calc(98px + env(safe-area-inset-left,0px));right:max(7px,env(safe-area-inset-right));top:max(7px,env(safe-area-inset-top))}body.hall-mode .user-chip{min-width:112px;font-size:11px}
  body.hall-mode #page-hall .status-pill{top:calc(70px + env(safe-area-inset-top,0px));right:max(7px,env(safe-area-inset-right));max-width:190px}
  body.hall-mode #page-hall .avatar-voice-indicator{top:calc(111px + env(safe-area-inset-top,0px));right:max(7px,env(safe-area-inset-right))}
  body.hall-mode #page-hall .side-stack{top:408px;left:7px;right:auto;width:82px}body.hall-mode #page-hall .metric-card span{font-size:8px}body.hall-mode #page-hall .metric-card b{font-size:22px}body.hall-mode #page-hall .metric-card small{font-size:8px}
  body.hall-mode #page-hall .avatar-welcome{left:100px;bottom:278px}body.hall-mode #page-hall .avatar-welcome span,body.hall-mode #page-hall .avatar-welcome small{display:none}body.hall-mode #page-hall .avatar-welcome b{font-size:20px}
  body.hall-mode #page-hall .chat-box{left:96px;right:7px;bottom:116px;height:145px}
  body.hall-mode #page-hall .chat-input{left:96px;right:7px;bottom:54px;grid-template-columns:32px 32px minmax(0,1fr) 50px}
  body.hall-mode #page-hall .digital-card>.row{left:103px;right:14px;bottom:16px}body.hall-mode #page-hall .digital-card>.row button{display:none}
}

/* One-screen application shell: pages adapt to the viewport and scroll internally. */
body.app-mode{overflow:hidden}
.app:not(.hidden){--app-topbar-height:96px;height:100svh;min-height:0;overflow:hidden}
.app:not(.hidden)>main{height:100svh;min-height:0;overflow:hidden}
.app:not(.hidden) .page.active{height:calc(100svh - var(--app-topbar-height));min-height:0;overflow:auto;overscroll-behavior:contain;scrollbar-gutter:stable;padding-right:4px;padding-bottom:28px}
.app:not(.hidden) .page.active::-webkit-scrollbar{width:7px}.app:not(.hidden) .page.active::-webkit-scrollbar-thumb{background:rgba(154,101,66,.24);border-radius:99px}
body.hall-mode .app:not(.hidden) #page-hall.active{height:100svh;padding:0;overflow:hidden}
@media (orientation:portrait) and (max-width:1280px){.app:not(.hidden){--app-topbar-height:82px}}
@media (max-width:820px){.app:not(.hidden){--app-topbar-height:74px}}
@media (orientation:landscape) and (max-height:720px){.app:not(.hidden){--app-topbar-height:76px}.app:not(.hidden) .topbar{height:76px}.app:not(.hidden) .page.active{padding-bottom:18px}}
@media (orientation:portrait) and (max-width:1280px){
  .app:not(.hidden) .sidebar #logoutBtn{display:flex!important;width:44px;height:44px;min-height:44px;margin:0 auto;padding:0;align-items:center;justify-content:center;border:1px solid rgba(255,255,255,.78);border-radius:50%;background:linear-gradient(135deg,rgba(255,255,255,.6),rgba(255,233,217,.3));box-shadow:inset 0 1px 0 rgba(255,255,255,.94),0 9px 24px rgba(79,45,26,.11);backdrop-filter:blur(20px) saturate(1.16);-webkit-backdrop-filter:blur(20px) saturate(1.16)}
  .app:not(.hidden) .sidebar #logoutBtn .logout-icon{display:block}.app:not(.hidden) .sidebar #logoutBtn .logout-label{display:none}
}

/* Feedback modal follows the same crystal language as the immersive hall. */
body.hall-mode .modal{background:rgba(71,40,23,.22);backdrop-filter:blur(9px);-webkit-backdrop-filter:blur(9px)}
body.hall-mode .modal-card{width:min(520px,calc(100vw - 40px));border:1px solid rgba(255,255,255,.76);background:linear-gradient(145deg,rgba(255,255,255,.76),rgba(255,232,214,.48));box-shadow:inset 0 1px 0 rgba(255,255,255,.96),0 24px 70px rgba(62,34,19,.2);backdrop-filter:blur(28px) saturate(1.2);-webkit-backdrop-filter:blur(28px) saturate(1.2)}
body.hall-mode .modal-card .close{border:1px solid rgba(255,255,255,.72);background:rgba(255,255,255,.46);box-shadow:inset 0 1px 0 rgba(255,255,255,.9)}
body.hall-mode .modal-card select,body.hall-mode .modal-card textarea,body.hall-mode .modal-card input{border-color:rgba(255,255,255,.76);background:rgba(255,255,255,.55);box-shadow:inset 0 1px 0 rgba(255,255,255,.84);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}

/* Streaming Markdown, natural voice controls and interactive emotion index. */
.chat-input{grid-template-columns:44px 44px 56px minmax(0,1fr) auto}.chat-input #ttsSettingsBtn{padding:0 7px;font-size:11px;font-weight:700;color:#7c5a43}
.msg.ai{line-height:1.72}.msg.ai p{margin:0 0 8px}.msg.ai p:last-child{margin-bottom:0}.msg.ai h1,.msg.ai h2,.msg.ai h3,.msg.ai h4{margin:9px 0 5px;line-height:1.35;color:#563d2f}.msg.ai h1{font-size:18px}.msg.ai h2{font-size:16px}.msg.ai h3,.msg.ai h4{font-size:14px}.msg.ai ul,.msg.ai ol{margin:6px 0 8px;padding-left:22px}.msg.ai li{margin:3px 0}.msg.ai blockquote{margin:7px 0;padding:7px 11px;border-left:3px solid rgba(171,104,62,.52);border-radius:0 9px 9px 0;background:rgba(247,231,219,.52);color:#725746}.msg.ai pre{max-width:100%;margin:8px 0;padding:11px;overflow:auto;border-radius:11px;background:#3e3028;color:#fff7f0}.msg.ai code{padding:2px 5px;border-radius:5px;background:rgba(126,81,52,.09);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.92em}.msg.ai pre code{padding:0;background:transparent;color:inherit}.msg.ai a{color:#9b5d36;text-decoration:underline;text-underline-offset:2px}.msg.ai hr{height:1px;margin:10px 0;border:0;background:rgba(133,89,60,.15)}
.msg.streaming:after{content:'';display:inline-block;width:7px;height:15px;margin-left:3px;border-radius:2px;background:#ac6b42;vertical-align:-2px;animation:stream-cursor .8s steps(1) infinite}@keyframes stream-cursor{50%{opacity:.18}}
.emotion-card{cursor:pointer;outline:none;transition:transform .2s ease,box-shadow .2s ease}.emotion-card:hover,.emotion-card:focus-visible{transform:translateY(-2px);box-shadow:0 14px 34px rgba(102,65,42,.14)}.emotion-card>div:first-child{display:flex;align-items:baseline;gap:3px;flex-wrap:wrap}.emotion-card em{margin-left:auto;padding:3px 7px;border-radius:999px;background:rgba(183,116,72,.1);color:#9a613e;font-size:9px;font-style:normal}.emotion-card .gauge i{transition:width .65s cubic-bezier(.2,.8,.2,1),background .35s}.emotion-scale{display:flex!important;justify-content:space-between;margin-top:5px;color:#9b887b;font-size:8px}.emotion-pulse #emotionScore{animation:emotion-number .45s ease}@keyframes emotion-number{0%{transform:scale(.86);opacity:.55}65%{transform:scale(1.08)}100%{transform:scale(1);opacity:1}}
.emotion-detail{text-align:center}.emotion-detail .tag{display:inline-flex}.emotion-detail h3{margin:12px 0 4px}.emotion-detail h4{margin:7px 0 0;color:#76513a}.emotion-detail>p{margin:5px 0 14px}.emotion-detail-score{width:116px;height:116px;margin:15px auto 8px;display:flex;align-items:baseline;justify-content:center;padding-top:30px;border:8px solid rgba(112,181,132,.72);border-right-color:#e4ad63;border-radius:50%;background:rgba(255,255,255,.48);box-shadow:inset 0 0 0 5px rgba(255,255,255,.48),0 12px 30px rgba(89,54,33,.1)}.emotion-detail-score b{font-size:36px;color:#5c8d69}.emotion-detail-score small{color:#90796b}.emotion-dimensions{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:12px 0}.emotion-dimensions span{padding:11px;border:1px solid rgba(143,98,67,.12);border-radius:13px;background:rgba(255,255,255,.48);color:#796356}.emotion-dimensions b{display:block;margin-top:3px;font-size:19px;color:#a26743}.emotion-detail .row{justify-content:center;margin-top:16px}
.modal-card input[type="range"]{padding:0;accent-color:#aa6841}.modal-card #ttsRateValue{justify-self:end;color:#9b623f;font-weight:700}
.voice-model-note{margin:12px 0;padding:10px 12px;border:1px solid rgba(143,98,67,.13);border-radius:11px;background:rgba(255,255,255,.42);color:#806957;font-size:11px;line-height:1.6}
@media (orientation:portrait) and (max-width:560px){body.hall-mode #page-hall .chat-input{grid-template-columns:32px 32px 39px minmax(0,1fr) 50px}body.hall-mode #page-hall .chat-input #ttsSettingsBtn{font-size:8px;padding:0 2px}body.hall-mode #page-hall .emotion-card em,body.hall-mode #page-hall .emotion-scale{display:none!important}}

/* Portrait: the complete conversation area occupies roughly the lower half-screen. */
@media (orientation:portrait) and (max-width:1280px){
  body.hall-mode .sidebar{pointer-events:none}
  body.hall-mode .sidebar .brand,body.hall-mode .sidebar nav,body.hall-mode .sidebar #logoutBtn{pointer-events:auto}
  body.hall-mode .sidebar-bottom #logoutBtn{position:fixed;z-index:240;top:96px;right:18px;left:auto;width:46px;height:46px;margin:0}
  body.hall-mode #page-hall .status-pill{right:78px}
  body.hall-mode #page-hall .chat-box{right:18px;bottom:131px;left:18px;height:60px;overflow:hidden;scroll-behavior:smooth;overscroll-behavior:contain;transition:height .42s cubic-bezier(.2,.78,.2,1),background .3s ease}
  body.hall-mode #page-hall .digital-card:not(.chat-expanded) .chat-box{display:flex;align-items:center;justify-content:center;padding-top:7px;padding-bottom:7px}
  body.hall-mode #page-hall .digital-card:not(.chat-expanded) .chat-box .msg{width:100%;max-width:100%;margin:0 auto;overflow:hidden;text-align:center;text-overflow:ellipsis;white-space:nowrap}
  body.hall-mode #page-hall .digital-card:not(.chat-expanded) .chat-box .msg:not(:first-child){display:none}
  body.hall-mode #page-hall .digital-card.chat-expanded .chat-box{display:flex;height:max(260px,calc(50svh - 105px));overflow-x:hidden;overflow-y:auto;align-items:stretch;justify-content:flex-start;scrollbar-color:rgba(159,99,61,.52) rgba(255,255,255,.18);scrollbar-width:thin}
  body.hall-mode #page-hall .digital-card.chat-expanded .chat-box::-webkit-scrollbar{width:8px}
  body.hall-mode #page-hall .digital-card.chat-expanded .chat-box::-webkit-scrollbar-track{margin:12px 0;border-radius:99px;background:rgba(255,255,255,.18)}
  body.hall-mode #page-hall .digital-card.chat-expanded .chat-box::-webkit-scrollbar-thumb{border:2px solid transparent;border-radius:99px;background:rgba(159,99,61,.52);background-clip:padding-box}
  body.hall-mode #page-hall .chat-input{right:18px;bottom:58px;left:18px}
  body.hall-mode #page-hall .digital-card>.row{left:26px;right:26px;gap:10px;text-shadow:none}
  body.hall-mode #page-hall #chatEmotionHint{min-width:0;max-width:calc(100% - 126px);padding:7px 11px;overflow:hidden;border:1px solid rgba(255,255,255,.72);border-radius:999px;background:linear-gradient(135deg,rgba(255,255,255,.55),rgba(255,235,220,.3));color:#704f3b!important;text-overflow:ellipsis;white-space:nowrap;box-shadow:inset 0 1px 0 rgba(255,255,255,.9),0 8px 20px rgba(72,40,22,.09);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}
  body.hall-mode #page-hall .side-stack{top:auto;right:18px;bottom:calc(50svh + 42px);left:auto;width:218px}
  body.hall-mode #page-hall .metric-card{padding:12px 14px;border-color:rgba(255,255,255,.88);border-radius:18px;background:linear-gradient(145deg,rgba(255,252,248,.88),rgba(255,229,210,.7));color:#644936;box-shadow:inset 0 1px 0 rgba(255,255,255,.98),0 14px 36px rgba(70,38,21,.15);backdrop-filter:blur(26px) saturate(1.2);-webkit-backdrop-filter:blur(26px) saturate(1.2)}
  body.hall-mode #page-hall .metric-card>div:first-child{display:flex;grid-template-columns:none;align-items:baseline;gap:4px}
  body.hall-mode #page-hall .metric-card span,body.hall-mode #page-hall .metric-card small{color:#765b49}
  body.hall-mode #page-hall .metric-card p{margin:5px 0 0;color:#765b49;line-height:1.45}
  body.hall-mode #page-hall .avatar-welcome{right:auto;bottom:215px;left:18px;max-width:min(390px,calc(100vw - 260px));padding:10px 14px;border:1px solid rgba(255,255,255,.82);border-radius:17px;background:linear-gradient(145deg,rgba(255,252,248,.8),rgba(255,229,210,.56));color:#604533;text-align:left;text-shadow:none;box-shadow:inset 0 1px 0 rgba(255,255,255,.96),0 12px 30px rgba(70,38,21,.13);backdrop-filter:blur(22px) saturate(1.18);-webkit-backdrop-filter:blur(22px) saturate(1.18);transition:bottom .42s cubic-bezier(.2,.78,.2,1)}
  body.hall-mode #page-hall .avatar-welcome span{color:#9a6a4c;opacity:1}
  body.hall-mode #page-hall .avatar-welcome b{color:#5a3e2e;text-align:left}
  body.hall-mode #page-hall .avatar-welcome small{color:#765b49;opacity:1}
  body.hall-mode #page-hall .digital-card.chat-expanded .avatar-welcome{bottom:calc(50svh + 44px)}
}
@media (orientation:portrait) and (max-width:820px){
  body.hall-mode .sidebar-bottom #logoutBtn{top:78px;right:10px;width:42px;height:42px;min-height:42px}
  body.hall-mode #page-hall .status-pill{right:62px}
  body.hall-mode #page-hall .chat-box,body.hall-mode #page-hall .chat-input{left:10px;right:10px}
  body.hall-mode #page-hall .digital-card>.row{left:18px;right:18px}
  body.hall-mode #page-hall .side-stack{right:10px;bottom:calc(50svh + 38px);width:190px}
  body.hall-mode #page-hall .avatar-welcome{bottom:211px;left:10px;max-width:calc(100vw - 225px)}
  body.hall-mode #page-hall .digital-card.chat-expanded .avatar-welcome{bottom:calc(50svh + 44px)}
}
@media (orientation:portrait) and (max-width:560px){
  body.hall-mode .sidebar-bottom #logoutBtn{top:calc(70px + env(safe-area-inset-top,0px));right:max(7px,env(safe-area-inset-right));width:40px;height:40px;min-height:40px}
  body.hall-mode #page-hall .status-pill{right:calc(55px + env(safe-area-inset-right,0px));max-width:180px}
  body.hall-mode #page-hall .chat-box{right:max(7px,env(safe-area-inset-right));bottom:calc(116px + env(safe-area-inset-bottom,0px));left:max(7px,env(safe-area-inset-left))}
  body.hall-mode #page-hall .chat-input{right:max(7px,env(safe-area-inset-right));bottom:calc(54px + env(safe-area-inset-bottom,0px));left:max(7px,env(safe-area-inset-left))}
  body.hall-mode #page-hall .digital-card>.row{right:max(14px,env(safe-area-inset-right));bottom:calc(16px + env(safe-area-inset-bottom,0px));left:max(14px,env(safe-area-inset-left))}
  body.hall-mode #page-hall #chatEmotionHint{max-width:100%}
  body.hall-mode #page-hall .side-stack{right:7px;bottom:calc(50svh + 34px);width:158px}
  body.hall-mode #page-hall .avatar-welcome{bottom:calc(207px + env(safe-area-inset-bottom,0px));left:max(14px,env(safe-area-inset-left));max-width:195px;padding:8px 11px}
  body.hall-mode #page-hall .digital-card.chat-expanded .avatar-welcome{bottom:calc(50svh + 44px)}
}