/* 统一设置窗口沿用系统色板；桌面侧栏导航，窄屏横向导航。 */
#settings-dialog{width:min(860px,calc(100vw - 28px));height:min(720px,90dvh);max-height:90dvh;padding:0;overflow:hidden}
#settings-dialog[open]{display:flex;flex-direction:column}
.settings-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:21px 26px;border-bottom:1px solid var(--color-border-subtle);flex-shrink:0}
.settings-heading h2{font-size:20px;margin:0}
.settings-heading p{font-size:11px;margin:5px 0 0}
.settings-heading>button{flex-shrink:0}
.settings-layout{display:grid;grid-template-columns:170px minmax(0,1fr);flex:1;min-height:0}
.settings-navigation{display:flex;flex-direction:column;gap:6px;padding:20px 12px;border-right:1px solid var(--color-border-subtle);background:var(--color-surface)}
.settings-navigation button{display:flex;align-items:center;gap:10px;text-align:left;background:transparent;border-color:transparent;color:var(--color-secondary);font-size:12px;padding:12px}
.settings-navigation button[aria-selected=true]{background:var(--color-accent-tint);color:var(--color-accent);border-color:var(--color-accent-border)}
.settings-navigation small{margin:auto 12px 0;font-size:9px;color:var(--color-muted)}
.settings-content{min-width:0;overflow:auto;overscroll-behavior:contain;padding:24px 30px;scrollbar-width:thin}
.settings-content h3{margin:0 0 8px;font-size:18px;font-weight:500}
.settings-content>section>p,.settings-content form>p{font-size:11px;margin:0 0 22px}
.settings-content .settings-section{margin:18px 0}
.settings-content .settings-section h4{font-size:12px;margin:0 0 12px;color:var(--color-accent)}
.settings-content .settings-section p{font-size:11px;margin:10px 0 0}
.settings-content .settings-section label{margin:14px 0}
.settings-content .avatar-settings{margin:20px 0}
.settings-content .avatar-settings h4{font-size:12px;margin:0 0 14px;color:var(--color-accent)}
.settings-content .volume-control{display:block;margin:20px 0}
#settings-dialog .volume-control>input{height:5px;padding:0;margin:14px 0 10px;border:0}
.settings-content .volume-control>small{display:flex;justify-content:space-between}
.settings-content .volume-control>span{font-size:12px}
.settings-content [role=status]{font-size:11px;line-height:1.8;color:var(--color-secondary)}
.settings-content [data-state=error]{color:var(--color-danger)}
.settings-content [data-state=saved]{color:var(--color-success)}
.settings-save-row{display:flex;align-items:center;justify-content:space-between;gap:16px;border-top:1px solid var(--color-border-subtle);padding-top:18px}
.settings-save-row p{margin:0;flex:1;min-width:0}
.settings-save-row>button{flex-shrink:0}
.settings-content .audio-device-tools{display:flex;flex-wrap:wrap;gap:8px;margin:15px 0}
.settings-content .audio-device-tools button{font-size:11px;padding:8px 10px}
.settings-content .microphone-level{margin:18px 0}
.settings-content #sound-volume{padding:0;height:5px;border:0}
.settings-content .member-sound-row>.check{margin:0}
@media(max-width:600px){
 #settings-dialog{width:calc(100vw - 16px);height:92dvh;max-height:92dvh;border-radius:13px}
 .settings-heading{padding:17px 18px}
 .settings-heading p{font-size:10px}
 .settings-layout{display:flex;flex-direction:column}
 .settings-navigation{flex-direction:row;gap:4px;padding:10px;border-right:0;border-bottom:1px solid var(--color-border-subtle);overflow-x:auto;flex-shrink:0}
 .settings-navigation button{flex:1;justify-content:center;white-space:nowrap;padding:10px 7px;gap:5px;font-size:11px}
 .settings-navigation button>.ui-icon{width:14px;height:14px}
 .settings-navigation small{display:none}
 .settings-content{padding:20px 18px;flex:1}
 .settings-save-row{align-items:flex-start}
}