/* Shared geometry and native-control colours for desktop and iOS Safari. */
:root{-webkit-text-size-adjust:100%;text-size-adjust:100%;color-scheme:light}
button,select,input,textarea{font-family:inherit}
button{-webkit-text-fill-color:currentColor}
select{-webkit-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2381778b' stroke-width='1.7' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m8 9 4-4 4 4m-8 6 4 4 4-4'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 10px center;padding-right:32px;-webkit-text-fill-color:currentColor}
label select{padding-right:32px}
select:focus-visible{outline:2px solid var(--theme-accent);outline-offset:2px}
#history{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:36px}
#history svg,.sidebar-actions svg,.import-btn svg{width:16px;height:16px;flex:none;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
svg.spark{width:18px;height:18px;fill:currentColor}
svg.spark.s2{width:12px;height:12px;fill:none;stroke:currentColor;stroke-width:1.6}
aside{background:#ffffffa8;border:1px solid var(--border);border-radius:16px;padding:14px;min-width:0;align-self:start}
.sidebar-heading{display:flex;align-items:center;justify-content:space-between;gap:8px;min-height:32px;margin-bottom:10px}
.sidebar-heading .section-label{display:flex;align-items:center;gap:7px;font-size:12px;font-weight:600;color:var(--tone-51465b,#51465b);letter-spacing:0;margin:0}
.character-count{display:inline-grid;place-items:center;min-width:19px;height:19px;padding:0 5px;font-size:10px;font-weight:500;border-radius:6px;background:var(--tone-f4f0f7,#f4f0f7);color:var(--purple);font-variant-numeric:tabular-nums}
.sidebar-actions{display:flex;align-items:center;gap:3px;flex:none}
.sidebar-actions .icon-btn{width:30px;height:32px;font-size:16px}
.sidebar-actions #edit-character{display:inline-flex;align-items:center;justify-content:center;gap:4px;min-height:32px;padding:5px 6px;font-size:10px;white-space:nowrap}
.folder-toolbar{width:100%;gap:6px;margin:0 0 10px}
.folder-toolbar select{height:36px;padding:6px 30px 6px 9px;border-radius:9px;font-size:12px;color:var(--tone-51465b,#51465b);background-position:right 7px center}
.folder-toolbar button{height:36px;min-height:36px;padding:7px 9px;border-radius:9px;font-size:10px}
#characters{display:grid;grid-template-columns:minmax(0,1fr);gap:6px;max-height:min(52dvh,480px);overflow-x:hidden;overflow-y:auto;overscroll-behavior-y:contain;scrollbar-width:thin;scrollbar-color:var(--border) transparent;padding:1px 2px 2px 0;-webkit-overflow-scrolling:touch}
.char{display:flex;align-items:center;gap:10px;width:100%;min-width:0;min-height:62px;margin:0;padding:10px;border:1px solid transparent;border-radius:11px;background:transparent;color:var(--tone-292630,#292630);text-align:left;-webkit-appearance:none;appearance:none;-webkit-text-fill-color:currentColor}
.char.active{border:1px solid var(--tone-dfd4eb,#dfd4eb);background:var(--tone-ebe5f2,#ebe5f2);box-shadow:inset 3px 0 0 var(--theme-accent)}
.char-avatar,.char-avatar.has-photo{width:40px;height:40px;border-radius:10px;flex:0 0 40px;font-size:19px}
.char-copy{display:flex;flex-direction:column;justify-content:center;gap:3px;flex:1;min-width:0;text-align:left}
.char strong{display:block;min-width:0;max-width:100%;font-size:13px;font-weight:600;line-height:1.35;color:inherit;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;overflow-wrap:normal}
.char small{display:block;min-width:0;max-width:100%;font-size:10px;line-height:1.4;margin:0;color:var(--tone-8c7d99,#8c7d99);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;overflow-wrap:normal}
.char .chosen{display:block;width:14px;height:14px;flex:0 0 14px;margin:0;fill:none;stroke:var(--theme-accent);stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.characters-empty{text-align:center;line-height:1.7;padding:20px 8px;font-size:11px}
.import-btn{display:flex;align-items:center;justify-content:center;gap:7px;min-height:36px;width:100%;margin:10px 0 0;padding:8px;font-size:10px;text-align:center;line-height:1.4;border-color:var(--border);background:transparent}
.persona-box{display:flex;align-items:center;gap:10px;margin:12px 0 0;padding:12px 0 0}
.persona-box .section-label{display:flex;align-items:center;flex:0 0 auto;gap:2px;margin:0;font-size:10px;white-space:nowrap}
#edit-persona{width:28px;height:34px}
#edit-persona svg{width:15px;height:15px}
.persona-profile{flex:1;min-width:0;gap:7px}
.persona-profile .mini-avatar{width:30px;height:30px;flex:0 0 30px}
.persona-box #persona-select{width:0;min-width:0;margin:0;flex:1;height:36px;padding:5px 27px 5px 8px;font-size:12px;background-position:right 6px center}
.call-top{align-items:center;gap:8px;line-height:1.4}
.status{min-width:0;overflow-wrap:anywhere}
.status i{flex:none}
.transcript-head{align-items:baseline;gap:10px;line-height:1.5}
.transcript-head>span:first-child{flex:none}
#transcript-hint{text-align:right;min-width:0;overflow-wrap:anywhere}
.call-mode-switch{gap:8px}
#call-mode-toggle{width:34px;height:20px;padding:3px}
#call-mode-toggle>span{width:14px;height:14px}
#call-mode-toggle.on>span{transform:translateX(14px)}
.time-mode-label{gap:7px}
.time-mode-label select{padding:5px 28px 5px 9px;background-position:right 6px center;min-height:30px}
#text-form{border-radius:12px}
#text-form button{display:grid;place-items:center}
@media(hover:hover){.char:hover:not(:disabled):not(.active){background:var(--tone-faf8fc,#faf8fc)}.sidebar-actions button:hover{background:var(--tone-f4f0f7,#f4f0f7)}}
@media(min-width:641px){
 .workspace{grid-template-columns:clamp(220px,20vw,280px) minmax(0,1fr)}
 aside{position:sticky;top:18px}
 .call-top{display:grid;grid-template-columns:minmax(0,1fr) auto auto}
 #timer{grid-column:3}
 .transcript-head{font-size:11px}
}
@media(max-width:640px){
 header{height:calc(60px + env(safe-area-inset-top));margin:0 max(14px,env(safe-area-inset-left)) 0 max(14px,env(safe-area-inset-right));padding:env(safe-area-inset-top) 0 0;gap:10px}
 .brand{font-size:27px;letter-spacing:-1.3px;gap:6px;white-space:nowrap}
 .header-right{gap:2px;flex:none}
 .header-right .icon-btn{width:36px;height:40px}
 .header-right #history{min-height:34px;padding:7px 9px;font-size:10px;border-radius:9px;gap:5px}
 #history svg{width:15px;height:15px}
 main{margin:12px max(12px,env(safe-area-inset-right)) max(18px,env(safe-area-inset-bottom)) max(12px,env(safe-area-inset-left))}
 .workspace{gap:12px}
 aside{display:flex;flex-direction:column;gap:0;align-self:stretch;width:100%;padding:10px;border-radius:13px}
 .sidebar-heading{width:100%;margin:0 0 6px;min-height:30px}
 .sidebar-heading .section-label{font-size:11px}
 .sidebar-actions{gap:4px}
 .sidebar-actions .icon-btn{width:30px;height:30px}
 .sidebar-actions #edit-character{min-height:30px;padding:5px 6px;font-size:10px}
 .folder-toolbar{margin:0 0 7px;gap:6px}
 .folder-toolbar select{height:32px;font-size:12px;padding:4px 27px 4px 9px;line-height:1.35}
 .folder-toolbar button{height:32px;min-height:32px;padding:5px 9px;font-size:10px;flex-shrink:0}
 #characters{display:grid;grid-template-columns:minmax(0,1fr);gap:4px;max-height:208px;width:100%;overflow-x:hidden;overflow-y:auto}
 .char{height:46px;min-height:46px;padding:6px 8px;gap:8px;margin:0;border-radius:9px}
 .char.active{background:var(--tone-faf8fc,#faf8fc);border-color:var(--border);box-shadow:none}
 .char-avatar,.char-avatar.has-photo{width:30px;height:30px;flex-basis:30px;border-radius:8px;font-size:16px}
 .char-copy{gap:2px}
 .char strong{font-size:12px;line-height:1.3}
 .char small{font-size:10px;line-height:1.3}
 .char .chosen{display:block;width:12px;height:12px;flex-basis:12px;opacity:.75}
 .import-btn{min-height:30px;margin:7px 0 0;padding:5px 8px;font-size:10px}
 .import-btn svg{width:14px;height:14px}
 .persona-box{width:100%;margin:8px 0 0;padding:7px 0 0;gap:8px}
 .persona-box .section-label{font-size:10px}
 #edit-persona{height:30px;width:26px}
 .persona-box #persona-select{font-size:12px;height:32px;line-height:1.35;padding:4px 27px 4px 8px}
 .persona-profile .mini-avatar{width:27px;height:27px;flex-basis:27px}
 .call-card{border-radius:16px;padding-bottom:14px}
 .call-top{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:5px 10px;padding:13px 16px;font-size:11px}
 #connection{grid-column:1;grid-row:1}
 #timer{grid-column:2;grid-row:1;white-space:nowrap}
 #recording-status{grid-column:1/-1;grid-row:2;font-size:10px}
 .call-hero{padding:2px 16px 14px}
 .orbit{height:66px;width:92px;margin-bottom:6px}
 .orbit .moon{width:52px;height:52px}
 .orbit:before{width:86px;height:59px}
 .call-hero h2{font-size:20px;margin:4px 0 7px;line-height:1.4;letter-spacing:-.5px}
 .language-switch{gap:3px;margin-top:6px}
 .language-switch button{min-width:49px;min-height:27px;padding:4px 8px;font-size:10px}
 .call-mode-switch{margin:9px auto 0;font-size:10px}
 .time-mode-label{margin:9px auto 0;font-size:10px;width:max-content;max-width:100%}
 .time-mode-label select{font-size:11px;min-height:28px;margin:0;padding:4px 26px 4px 8px}
 .call-hero p.call-mode-note{font-size:9px;line-height:1.6;margin-top:11px;max-width:280px}
 .transcript-wrap{margin:0 16px;padding-top:12px}
 .transcript-head{font-size:10px}
 #transcript-hint{font-size:10px;max-width:75%}
 body:not(.call-active) #transcript{height:clamp(190px,28dvh,300px);max-height:none;padding:12px 0}
 .message{max-width:91%;margin:10px 0}
 .message>small{font-size:10px;line-height:1.4;margin-bottom:5px}
 .bubble{font-size:13px;line-height:1.7;padding:9px 11px}
 .lesson-card{padding:9px 10px;font-size:11px;line-height:1.7}
 .lesson-card strong{font-size:12px;line-height:1.65}
 .lesson-card span,.lesson-card p,.lesson-card em{font-size:11px;line-height:1.7}
 .lesson-card small{font-size:10px;line-height:1.5}
 .translation-ko{font-size:11px;line-height:1.7}
 .reply-progress{font-size:11px}
 .progress-speaker{max-width:42%;overflow-wrap:anywhere;font-size:9px}
 .call-feedback{margin:0 14px;padding:9px 10px;border-radius:10px}
 .mic-line{display:grid;grid-template-columns:minmax(0,1fr) minmax(35px,.8fr) auto;gap:7px}
 #mic-label{min-width:0;font-size:10px;line-height:1.4}
 #mic-level{min-width:0;width:100%}
 #finish-turn{font-size:10px;padding:7px 8px}
 #call-detail{font-size:10px;line-height:1.6;margin-top:6px}
 .call-controls{display:grid;grid-template-columns:minmax(68px,1fr) minmax(0,1.45fr) minmax(68px,1fr);align-items:center;gap:6px;padding:10px 12px}
 .labeled-control.round{width:100%;flex:none;min-width:0;max-width:none;min-height:42px;height:42px;padding:4px;gap:3px;border-radius:10px}
 .control-copy{flex:1;min-width:0;max-width:100%}
 .control-copy strong,.control-copy small{display:block;width:100%;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
 .control-copy strong{font-size:8.5px;line-height:1.4}
 .control-copy small{font-size:7px;line-height:1.5}
 .labeled-control svg{width:12px;height:12px}
 .call-btn{min-width:0;width:100%;max-width:none;flex:none;height:42px;padding:5px 6px;font-size:11px;line-height:1.35;gap:6px;justify-content:center}
 .call-btn>span{flex:0 1 auto;min-width:0;white-space:nowrap;word-break:keep-all;overflow-wrap:normal;text-align:center}
 .call-btn svg{width:16px;height:16px;flex:none}
 #text-form{margin:0 14px;padding:5px 5px 5px 11px;align-items:center;gap:6px}
 #text-input{font-size:16px;height:34px;padding:4px 0;line-height:1.4}
 #text-input::placeholder{font-size:13px}
 #text-form button{width:34px;height:34px;border-radius:9px;font-size:18px}
 dialog{width:calc(100vw - 24px);padding:16px;border-radius:16px;max-height:calc(100dvh - 28px - env(safe-area-inset-top) - env(safe-area-inset-bottom))}
 .history-name,.folder-create input,.folder-row input,.folder-assignment select{font-size:12px}
 .history-actions .soft-btn{min-height:30px;padding:6px 8px;font-size:10px}
 .soft-btn,.primary{min-width:0;max-width:100%;line-height:1.4;overflow-wrap:break-word}
 .history-export-toolbar .soft-btn,.folder-row .soft-btn{white-space:normal}
 body.call-active main{padding:calc(env(safe-area-inset-top) + 5px) max(8px,env(safe-area-inset-right)) calc(env(safe-area-inset-bottom) + 5px) max(8px,env(safe-area-inset-left));margin:0}
 body.call-active .call-top{padding:9px 13px;min-height:34px}
 body.call-active .call-hero{display:flex;align-items:center;justify-content:center;gap:8px;padding:0 12px 7px}
 body.call-active .orbit{flex:none;width:46px;height:42px;margin:0}
 body.call-active .orbit .moon{width:34px;height:34px}
 body.call-active .orbit:before{width:45px;height:33px}
 body.call-active svg.spark{width:9px;height:9px}
 body.call-active svg.spark.s2{width:7px;height:7px}
 body.call-active .call-hero h2{margin:0;max-width:calc(100% - 60px);text-align:left;font-size:17px;line-height:1.4}
 body.call-active .time-mode-label{display:none}
 body.call-active .transcript-wrap{margin:0 12px;padding-top:8px}
 body.call-active .call-feedback{margin:0 10px;padding:7px 9px}
 body.call-active .call-controls{padding:8px 10px;gap:7px}
 body.call-active #text-form{margin:0 10px}
}
@media(max-width:359px){
 .brand{font-size:24px}
 .header-right .icon-btn{width:32px}
 .header-right #history{padding:6px 7px}
 aside{padding:10px}
 .char{padding:6px 8px;gap:8px}
 .call-controls{padding-left:10px;padding-right:10px;gap:6px}
 .labeled-control.round{flex-basis:64px;padding:4px;gap:2px}
 .labeled-control svg{width:11px;height:11px}
 .control-copy strong{font-size:8px}
 .control-copy small{font-size:6px}
 .call-btn{font-size:11px;gap:5px}
}

/* Keep Japanese character names on one Japanese CJK font across platforms. */
.char strong,#character-name{font-family:"Noto Sans JP","Hiragino Sans","Noto Sans KR",sans-serif;font-weight:500;letter-spacing:0}