@layer reset, base, components, responsive;
@layer reset {
  *,*::before,*::after{box-sizing:border-box}body,h1,h2,h3,p{margin:0}button,input,select{font:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:default}button,a{touch-action:manipulation}[hidden]{display:none!important}button{border:0}a{color:inherit;text-decoration:none}fieldset{padding:0;margin:0;border:0}svg{width:19px;height:19px;display:block;flex-shrink:0}
}
@layer base {
  :root{--bg:#f7f7f8;--surface:#fff;--sidebar:#f9f9f9;--text:#202123;--muted:#77787c;--line:#ececee;--hover:#f1f1f2;--active:#eaeaec;--button:#202123;--button-text:#fff;--border-strong:#d8d9dc;--focus:#5b8dff;--green:#268566;--shadow:0 16px 70px #00000007,0 1px 4px #00000005;--ease:cubic-bezier(.23,1,.32,1);color-scheme:light}
  :root[data-theme=dark]{--bg:#171717;--surface:#212121;--sidebar:#1c1c1c;--text:#ececec;--muted:#a3a3a3;--line:#343434;--hover:#2b2b2b;--active:#353535;--button:#ececec;--button-text:#202123;--border-strong:#494949;--green:#81c9ae;--shadow:0 16px 70px #00000020;color-scheme:dark}
  body{background:var(--bg);color:var(--text);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;font-size:14px;-webkit-font-smoothing:antialiased;line-height:1.5;padding:0 30px}
  :focus-visible{outline:3px solid var(--focus);outline-offset:4px}button{background:transparent;color:var(--text)}button:active:not(:disabled){transform:scale(.98)}button{transition:transform 130ms var(--ease),background-color 130ms ease,color 130ms ease}label,legend{font-weight:550}select,input[type=text]{background:var(--surface);color:var(--text);border:1px solid var(--border-strong);border-radius:9px;padding:9px 30px 9px 12px;min-height:40px;max-width:100%}select{min-width:155px;font-size:13px}input[type=text]{padding-right:12px}input::placeholder{color:var(--muted)}
}
@layer components {
  .page-header{max-width:1056px;margin:33px auto 27px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;gap:10px;align-items:center;font-size:19px;font-weight:650;letter-spacing:-.6px}.brand-version{font-size:13px;margin-left:4px;font-weight:450;color:var(--muted);letter-spacing:0}.brand-icon{width:31px;height:31px;display:inline-flex;justify-content:center;align-items:center;background:var(--text);color:var(--surface);font-size:27px;font-weight:700;border-radius:10px;line-height:1;font-style:italic;padding-right:2px}.header-caption{font-size:12px;color:var(--muted)}
  .settings-shell{width:100%;max-width:1056px;min-height:690px;margin:0 auto;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:20px;display:grid;grid-template-columns:222px minmax(0,1fr);overflow:hidden}.sidebar{background:var(--sidebar);border-right:1px solid var(--line);padding:28px 14px 20px;display:flex;flex-direction:column}.sidebar-heading{padding:0 14px 27px;display:flex;justify-content:space-between;align-items:center}.sidebar h1{font-size:21px;letter-spacing:-.5px;font-weight:650}.subtle-icon{font-size:18px;color:var(--muted);opacity:.5}.navigation{display:grid;gap:5px}.nav-item{display:flex;align-items:center;gap:12px;text-align:left;padding:11px 14px;border-radius:9px;font-size:14px;color:var(--muted);min-height:44px}.nav-item.active{background:var(--active);color:var(--text);font-weight:550}.nav-item svg{width:18px;height:18px}.sidebar-bottom{margin-top:auto;padding:36px 13px 0;display:flex;align-items:center;gap:7px;color:var(--muted);font-size:11px;flex-wrap:wrap}.sidebar-bottom small{width:100%;margin-left:13px;opacity:.65;font-size:10px}.connection-dot{width:6px;height:6px;border-radius:50%;background:var(--green)}.main-column{min-width:0;display:flex;flex-direction:column}.account-line{display:flex;align-items:center;gap:8px;padding:22px 34px 0;font-size:11px;color:var(--muted);min-height:46px}.account-avatar{width:23px;height:23px;border-radius:50%;display:grid;place-items:center;background:var(--hover);font-weight:600;font-size:11px;color:var(--text)}.account-state{margin-left:auto;font-size:11px;display:flex;gap:5px;align-items:center}.account-state.connected{color:var(--green)}.account-state.connected::before{content:"";width:5px;height:5px;border-radius:50%;background:currentColor}
  form{padding:0 34px;flex:1}.panel-heading{padding:29px 0 24px}.eyebrow{font-size:9px;letter-spacing:1.6px;font-weight:550;color:var(--muted)}h2{font-size:26px;letter-spacing:-.8px;line-height:1.4;margin:7px 0 8px;font-weight:600}.panel-heading p{font-size:13px;color:var(--muted);line-height:1.7}.setting-row{display:flex;justify-content:space-between;align-items:center;gap:24px;padding:22px 0;border-bottom:1px solid var(--line);min-height:91px}.setting-copy{min-width:0}.setting-copy>label,.setting-copy>strong{font-size:13px;font-weight:550}.setting-copy p{font-size:11px;color:var(--muted);margin-top:5px;line-height:1.6}.segmented{padding:3px;border:1px solid var(--line);border-radius:10px;background:var(--sidebar);display:flex;gap:1px;flex-shrink:0}.segmented button{display:flex;align-items:center;justify-content:center;gap:6px;font-size:11px;padding:8px 10px;border-radius:7px;min-height:34px;color:var(--muted);white-space:nowrap}.segmented button[aria-pressed=true]{background:var(--surface);box-shadow:0 1px 4px #00000012;color:var(--text)}.segmented svg{width:15px;height:15px}.summary-card{display:flex;align-items:center;text-align:left;width:100%;gap:14px;padding:20px;background:var(--sidebar);border:1px solid var(--line);border-radius:13px;margin-top:30px}.summary-icon{background:var(--surface);border:1px solid var(--line);width:40px;height:40px;border-radius:11px;display:grid;place-items:center}.summary-card strong{display:block;font-size:12px;font-weight:550}.summary-card span:not(.summary-arrow){display:block;color:var(--muted);font-size:11px;margin-top:5px;font-variant-numeric:tabular-nums}.summary-arrow{margin-left:auto;color:var(--muted)}.summary-arrow svg{width:16px;height:16px}.quiet-note{display:flex;gap:8px;align-items:flex-start;padding:23px 0;color:var(--muted)}.quiet-note svg{width:14px;height:14px;margin-top:1px}.quiet-note p{font-size:11px;line-height:1.7}.quality-field legend{font-size:13px;margin-bottom:12px}.quality-options{display:grid;grid-template-columns:1fr 1fr;gap:12px}.quality-option{text-align:left;padding:15px;border:1px solid var(--border-strong);border-radius:12px}.quality-option[aria-pressed=true]{border-color:var(--text);background:var(--sidebar);box-shadow:0 0 0 .5px var(--text)}.option-heading{display:flex;align-items:center;gap:7px}.option-heading svg{width:16px;height:16px}.option-heading strong{font-size:12px;font-weight:550}.radio-dot{margin-left:auto;border:1px solid var(--border-strong);width:13px;height:13px;border-radius:50%}.quality-option[aria-pressed=true] .radio-dot{border:4px solid var(--text);background:var(--surface)}.option-desc{font-size:10px;color:var(--muted);display:block;margin-top:8px;line-height:1.6}.option-resolution{font-size:10px;font-variant-numeric:tabular-nums;display:block;margin-top:11px;color:var(--muted)}.ratio-control button{padding:8px 10px}.ratio-shape{display:block;border:1.2px solid currentColor;border-radius:2px;width:16px;height:10px}.ratio-shape.tall{width:10px;height:16px}.ratio-shape.square{width:13px;height:13px}.value-chip{border:1px solid var(--line);border-radius:7px;padding:6px 10px;font-size:11px;white-space:nowrap;color:var(--muted);background:var(--sidebar)}.range-control{width:195px;flex-shrink:0}.range-top{display:flex;align-items:center;justify-content:space-between;font-size:10px;color:var(--muted);font-variant-numeric:tabular-nums;margin-bottom:7px}.range-top output{font-size:12px;color:var(--text);font-weight:550}.range-control input{width:100%;accent-color:var(--text);display:block;margin:0;cursor:pointer;min-height:22px}.advanced{border-bottom:1px solid var(--line)}.advanced summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:8px;padding:17px 0;font-size:12px;color:var(--muted);min-height:50px}.advanced summary::-webkit-details-marker{display:none}.advanced summary svg{width:15px;height:15px}.advanced summary .chevron{margin-left:auto}.advanced[open] summary .chevron{transform:rotate(180deg)}.advanced .setting-row:last-child{border:0}.seed-input{width:195px;font-variant-numeric:tabular-nums;font-size:12px}.language-illustration{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;padding:49px 10px 28px;color:var(--muted)}.language-illustration span{background:var(--sidebar);border:1px solid var(--line);border-radius:12px 12px 12px 3px;padding:11px 14px;font-size:12px}.language-illustration span:nth-child(even){transform:translateY(16px);border-radius:12px 12px 3px 12px}.about-card{text-align:center;padding:22px 0 30px}.brand-icon.large{width:52px;height:52px;border-radius:16px;font-size:43px}.about-card h3{font-size:18px;letter-spacing:-.5px;margin:14px 0 6px}.about-card p{font-size:12px;color:var(--muted)}.text-link{font-size:11px;display:inline-block;margin-top:17px;border-bottom:1px solid var(--border-strong);padding-bottom:2px}.auth-notice{margin:5px 34px 18px;display:flex;gap:10px;padding:14px;background:var(--sidebar);border:1px solid var(--line);border-radius:11px;align-items:flex-start}.auth-notice>span{padding-top:2px}.auth-notice svg{width:17px;height:17px;color:var(--muted)}.auth-notice strong{font-size:11px;font-weight:550}.auth-notice p{font-size:10px;color:var(--muted);line-height:1.7;margin-top:3px}.notice-link{font-size:10px;white-space:nowrap;text-decoration:underline;text-underline-offset:3px;margin-left:auto;margin-top:3px}.save-bar{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-top:20px;border-top:1px solid var(--line);padding:20px 34px;min-height:81px}.save-status{font-size:11px;color:var(--muted);max-width:45%}.save-status.success{color:var(--green)}.save-actions{display:flex;gap:12px;align-items:center;flex-shrink:0}.reset-button{font-size:11px;color:var(--muted);padding:10px 4px;min-height:40px}.save-button{display:flex;align-items:center;gap:10px;background:var(--button);color:var(--button-text);border-radius:9px;padding:11px 17px;font-size:12px;font-weight:550;min-height:40px;justify-content:center}.save-button svg{width:14px;height:14px}.save-button:disabled{opacity:.35}.page-footer{font-size:10px;text-align:center;color:var(--muted);padding:23px 0 30px}.toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);background:var(--text);color:var(--surface);border-radius:11px;padding:13px 21px;font-size:12px;box-shadow:0 8px 30px #00000020;z-index:10;width:max-content;max-width:calc(100% - 36px)}dialog{background:var(--surface);color:var(--text);border:1px solid var(--line);border-radius:16px;padding:25px;max-width:370px;width:calc(100% - 40px);box-shadow:var(--shadow)}dialog::backdrop{background:#0006}dialog h3{font-size:17px}dialog p{color:var(--muted);font-size:12px;line-height:1.8;margin-top:12px}.dialog-actions{display:flex;justify-content:flex-end;gap:20px;margin-top:24px}
  @media(hover:hover) and (pointer:fine){.nav-item:not(.active):hover,.reset-button:hover{background:var(--hover)}.summary-card:hover{background:var(--hover)}.quality-option:hover{border-color:var(--text)}}
}
@layer responsive {
  @media(max-width:780px){body{padding:0 16px}.page-header{margin:20px auto}.settings-shell{grid-template-columns:175px minmax(0,1fr)}.sidebar{padding-left:9px;padding-right:9px}.account-line{padding-left:24px;padding-right:24px}form{padding:0 24px}.save-bar{padding-left:24px;padding-right:24px}.auth-notice{margin-left:24px;margin-right:24px}.setting-row{gap:15px;flex-wrap:wrap}.setting-copy{flex:1 1 45%}.theme-control,.range-control,.seed-input{flex-shrink:0}.notice-link{display:none}}
  @media(max-width:590px){body{padding:0;background:var(--surface)}.page-header{margin:0;padding:18px 21px 14px}.header-caption{font-size:10px}.brand{font-size:17px}.brand-icon{width:27px;height:27px;font-size:24px}.settings-shell{display:block;border:0;border-radius:0;box-shadow:none;min-height:calc(100dvh - 115px);overflow:visible}.sidebar{padding:9px 19px 0;border:0;border-bottom:1px solid var(--line);background:var(--surface);display:block;position:sticky;top:0;z-index:3}.sidebar-heading{display:none}.navigation{display:flex;gap:5px;overflow-x:auto;padding:0 0 10px;scrollbar-width:none}.navigation::-webkit-scrollbar{display:none}.nav-item{white-space:nowrap;padding:9px 13px;gap:6px;font-size:12px;min-height:38px}.nav-item svg{width:15px;height:15px}.sidebar-bottom{display:none}.main-column{min-height:calc(100dvh - 177px)}.account-line{padding:19px 22px 0;font-size:10px}.account-state{font-size:10px}form{padding:0 22px}.panel-heading{padding:24px 0 19px}h2{font-size:25px}.eyebrow{font-size:8px}.panel-heading p{font-size:12px}.setting-row{padding:20px 0;gap:15px;min-height:96px}.setting-copy{flex:1 1 145px}.setting-copy p{font-size:10px;max-width:225px}.setting-copy>label,.setting-copy>strong{font-size:12px}.segmented button{padding:8px;font-size:10px}.theme-control{width:auto}.theme-control button{gap:4px}.theme-control svg{width:13px;height:13px}select{font-size:12px;min-width:137px;padding-left:10px}.range-control{width:145px}.seed-input{width:145px}.summary-card{padding:17px;margin-top:25px}.quiet-note{padding:22px 0}.quiet-note p{font-size:10px}.save-bar{position:sticky;bottom:0;background:var(--surface);padding:16px 22px calc(16px + env(safe-area-inset-bottom));min-height:76px;margin-top:16px;z-index:4}.save-status{font-size:10px}.save-button{font-size:11px;padding:10px 13px}.reset-button{font-size:10px}.save-actions{gap:12px}.auth-notice{margin:4px 22px 16px}.page-footer{display:none}.quality-option{padding:13px}.option-desc{font-size:9px}.option-heading strong{font-size:12px}.language-illustration{padding-top:35px;padding-bottom:30px;gap:8px}.language-illustration span{font-size:11px;padding:10px}.toast{bottom:100px}.summary-icon{width:36px;height:36px}.summary-card span:not(.summary-arrow){font-size:10px}}
  @media(max-width:365px){.header-caption{display:none}.setting-copy{flex-basis:100%}.range-control,.seed-input{width:100%}.theme-control,.ratio-control{width:100%}.segmented button{flex:1}.setting-row select{width:100%}.value-chip{margin-top:-6px}.save-status{max-width:35%}.save-actions{gap:8px}}
  @media(prefers-reduced-motion:reduce){*,*::before,*::after{transition:none!important;animation:none!important}button:active:not(:disabled){transform:none}}
}

/* Keep preference descriptions readable inside the Telegram mobile webview. */
.setting-copy>label,.setting-copy>strong{font-size:14px}.setting-copy p{font-size:12px}.quiet-note p{font-size:12px}.option-desc,.option-resolution{font-size:11px}
@media(max-width:590px){.nav-item{font-size:13px}.setting-copy>label,.setting-copy>strong{font-size:14px}.setting-copy p{font-size:12px}.quiet-note p{font-size:11px}.panel-heading p{font-size:13px}.save-button{font-size:12px}.option-desc,.option-resolution{font-size:11px}.option-heading strong{font-size:13px}.auth-notice p{font-size:11px}}

/* Conversation navigation follows the same restrained settings UI. */
.new-conversation{display:flex;align-items:center;gap:10px;padding:11px 14px;border:1px solid var(--border-strong);border-radius:10px;margin:0 0 14px;min-height:44px;font-size:13px;text-align:left;width:100%;background:var(--surface)}
.new-conversation:disabled{opacity:.45}.new-arrow{margin-left:auto}.new-arrow svg{width:14px;height:14px}.conversations-panel{padding:0 34px;flex:1}.recent-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;color:var(--muted);font-size:12px}.conversation-list{display:grid;gap:8px;margin:8px 0 16px}.conversation-item{display:flex;align-items:center;gap:12px;width:100%;text-align:left;padding:17px 16px;border:1px solid var(--line);border-radius:12px;min-height:76px;background:var(--sidebar)}.conversation-copy{min-width:0;flex:1}.conversation-copy strong{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:14px;font-weight:550}.conversation-meta{display:block;font-size:11px;color:var(--muted);margin-top:6px}.current-badge{padding:4px 7px;border-radius:6px;font-size:10px;color:var(--green);background:var(--surface);white-space:nowrap}.conversation-arrow{color:var(--muted)}.recent-empty{font-size:13px;color:var(--muted);text-align:center;line-height:1.8;padding:45px 12px}.conversation-item:disabled{opacity:.5}
@media(hover:hover) and (pointer:fine){.new-conversation:hover,.conversation-item:hover{background:var(--hover);border-color:var(--border-strong)}}
@media(max-width:780px){.conversations-panel{padding:0 24px}}
@media(max-width:590px){.sidebar{position:relative}.new-conversation{width:100%;margin:0 0 12px;font-size:14px;padding:11px 14px}.conversations-panel{padding:0 22px}.conversation-item{padding:16px 13px}.conversation-copy strong{font-size:14px}.current-badge{font-size:10px}.main-column{min-height:calc(100dvh - 240px)}}

/* The site is a navigation surface; chat continues in Telegram. */
html,body{width:100%;height:100%;min-height:100%;padding:0;margin:0;overflow:hidden;background:var(--surface)}
body{font-size:14px}
.chat-app{width:100%;height:100dvh;min-height:100dvh;display:grid;grid-template-columns:260px minmax(0,1fr);background:var(--surface);overflow:hidden}
.sidebar{position:relative;width:260px;height:100dvh;min-height:0;overflow:hidden;display:flex;flex-direction:column;gap:12px;padding:12px 12px calc(12px + env(safe-area-inset-bottom));background:var(--sidebar);border:0;border-right:1px solid var(--line)}
.sidebar-header{height:42px;min-height:42px;display:flex;align-items:center;justify-content:space-between;padding:0 5px}
.brand{font-size:17px;letter-spacing:0;gap:9px}
.brand-icon{width:29px;height:29px;border-radius:8px;font-size:24px}
.brand-version{font-size:12px;margin-left:2px}
.icon-button{width:38px;height:38px;min-width:38px;display:grid;place-items:center;padding:0;border-radius:8px;color:var(--muted)}
.icon-button:hover{background:var(--hover);color:var(--text)}
.icon-button svg{width:19px;height:19px}
.icon-button.small{width:30px;height:30px;min-width:30px}
.new-conversation{height:42px;min-height:42px;display:flex;align-items:center;gap:10px;margin:0;padding:0 12px;border:1px solid var(--border-strong);border-radius:8px;background:var(--surface);font-size:13px;font-weight:500}
.new-conversation svg{width:18px;height:18px}
.new-conversation:disabled{opacity:.55}
.search-box{height:39px;min-height:39px;display:flex;align-items:center;gap:9px;padding:0 11px;border:1px solid var(--line);border-radius:8px;background:var(--surface);color:var(--muted)}
.search-box svg{width:17px;height:17px}
.search-box input{width:100%;min-width:0;border:0;outline:0;padding:0;background:transparent;color:var(--text);font-size:13px}
.search-box input:focus-visible{outline:0}
.sidebar-view{display:flex;flex:1;flex-direction:column;min-height:0;overflow:auto;scrollbar-width:thin;scrollbar-color:var(--border-strong) transparent}
.sidebar-section-heading{height:36px;min-height:36px;display:flex;align-items:center;justify-content:space-between;padding:0 8px;color:var(--muted);font-size:12px;font-weight:550}
.conversation-list{display:grid;gap:2px;margin:0}
.conversation-item{width:100%;min-height:36px;display:block;overflow:hidden;padding:8px 10px;border:0;border-radius:7px;background:transparent;text-align:left;color:var(--text)}
.conversation-title{display:block;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;font-size:13px;font-weight:400}
.conversation-item[aria-current=true]{background:var(--active)}
.conversation-item:disabled{opacity:.55}
.recent-empty{padding:10px 9px;text-align:left;color:var(--muted);font-size:12px;line-height:1.6}
.sidebar-status{padding:0 9px;color:var(--muted);font-size:11px;line-height:1.5}
.sidebar-heading{padding:4px 8px 10px}
.sidebar h1{font-size:18px;letter-spacing:0;font-weight:600}
.navigation{display:grid;gap:2px}
.nav-item{min-height:40px;padding:8px 10px;border-radius:7px;gap:10px;font-size:13px}
.nav-item svg{width:17px;height:17px}
.sidebar-bottom{min-height:48px;display:flex;align-items:center;justify-content:space-between;gap:8px;margin:0;padding:7px 3px 0;border-top:1px solid var(--line);color:var(--muted)}
.settings-toggle{border-radius:8px}
.app-main{display:none;min-width:0;min-height:0;overflow:hidden;background:var(--surface)}
.chat-app.show-main .app-main{display:flex;flex-direction:column}
.app-topbar{height:56px;min-height:56px;display:flex;align-items:center;gap:10px;padding:0 26px;border-bottom:1px solid var(--line);color:var(--muted)}
.mobile-back{display:grid}
.settings-page-title{color:var(--text);font-size:14px;font-weight:550}
.account-state{margin-left:auto;color:var(--muted);font-size:11px}
.account-state.connected{color:var(--green)}
.settings-screen{display:block;flex:1;min-height:0;overflow:auto;overscroll-behavior:contain}
.main-column{width:min(100%,840px);min-height:100%;margin:0 auto}
.settings-screen form{padding-left:34px;padding-right:34px}
.save-bar{position:sticky;bottom:0;background:var(--surface)}
.auth-notice{margin-bottom:18px}
.chat-app:not(.show-main) .app-main{display:none}
@media(hover:hover) and (pointer:fine){.conversation-item:hover{background:var(--hover);border-color:transparent}}
@media(max-width:680px){
  .chat-app{display:block;height:100dvh;min-height:100dvh}
  .sidebar{width:100%;height:100dvh;min-height:100dvh;padding:calc(12px + env(safe-area-inset-top)) 15px calc(12px + env(safe-area-inset-bottom));gap:12px;background:var(--surface);border:0}
  .chat-app.show-main{height:100dvh;overflow:auto;overscroll-behavior:contain}
  .chat-app.show-main .sidebar{height:auto;min-height:0;position:sticky;top:0;z-index:4;padding:calc(8px + env(safe-area-inset-top)) 15px 0;border-bottom:1px solid var(--line);gap:7px}
  .chat-app.show-main .sidebar-header{height:36px;min-height:36px}
  .chat-app.show-main .new-conversation,.chat-app.show-main .search-box{display:none}
  .chat-app.show-main .settings-sidebar{padding-bottom:8px}
  .chat-app.show-main .sidebar-heading{padding:3px 8px 7px}
  .chat-app.show-main .navigation{display:flex;gap:4px;overflow:auto;scrollbar-width:none}
  .chat-app.show-main .navigation::-webkit-scrollbar{display:none}
  .chat-app.show-main .nav-item{flex:0 0 auto;min-height:36px;padding:8px 10px;white-space:nowrap;font-size:12px}
  .chat-app.show-main .sidebar-bottom{display:none}
  .chat-app.show-main .app-main{min-height:calc(100dvh - 101px);overflow:visible}
  .app-topbar{height:44px;min-height:44px;padding:0 16px}
  .mobile-back{width:32px;height:32px;min-width:32px}
  .settings-screen{overflow:visible}
  .settings-screen form{padding:0 22px}
  .main-column{min-height:0}
  .save-bar{z-index:3;margin-top:10px;padding:13px 22px calc(13px + env(safe-area-inset-bottom))}
  .auth-notice{margin:4px 22px 14px}
}
@media(max-width:365px){.chat-app.show-main .nav-item{padding-left:8px;padding-right:8px}.settings-screen form{padding-left:17px;padding-right:17px}.save-bar{padding-left:17px;padding-right:17px}}
@media(prefers-reduced-motion:reduce){.icon-button,.conversation-item{transition:none}}

.chat-app{position:relative}
.chat-button{height:40px;min-width:0;flex:1;display:flex;align-items:center;justify-content:center;gap:9px;padding:0 13px;border-radius:8px;background:#1677e8;color:#fff;font-size:13px;font-weight:550}
.chat-button svg{width:18px;height:18px}
.chat-button:disabled{opacity:.55}
.search-screen{position:absolute;inset:0;z-index:8;display:flex;flex-direction:column;min-width:0;min-height:0;background:var(--surface);color:var(--text)}
.search-screen[hidden]{display:none}
.search-content{width:100%;flex:1;min-height:0;display:flex;flex-direction:column;align-items:center;justify-content:center;overflow:auto;padding:30px 24px}
.search-intro{display:flex;flex-direction:column;align-items:center;gap:18px;text-align:center}
.search-hero-icon svg{width:36px;height:36px;color:var(--muted);stroke-width:1.7}
.search-intro h1{font-size:24px;line-height:1.4;font-weight:500}
.search-results{width:min(100%,720px);max-height:min(42dvh,360px);overflow:auto;margin-top:28px}
.search-results:empty{display:none}
.search-results .conversation-item{padding:12px 14px;border-radius:8px;background:transparent}
.search-results .conversation-item:hover{background:var(--hover)}
.search-empty{width:min(100%,720px);padding:18px 12px;text-align:center;color:var(--muted);font-size:13px}
.search-dock{width:min(100%,960px);display:flex;align-items:center;gap:12px;margin:0 auto;padding:12px 28px calc(24px + env(safe-area-inset-bottom))}
.search-page-box{height:58px;min-height:58px;flex:1;border:1px solid var(--line);border-radius:999px;padding:0 19px;background:var(--sidebar);color:var(--muted)}
.search-page-box>svg{width:21px;height:21px}
.search-page-box input{height:100%;font-size:16px}
.search-page-box input::-webkit-search-cancel-button{display:none}
.search-close{width:58px;height:58px;min-width:58px;border-radius:50%;background:var(--sidebar);color:var(--text)}
.search-close svg{width:24px;height:24px}
@media(max-width:680px){
  .sidebar-bottom{gap:10px;padding:12px 0 calc(4px + env(safe-area-inset-bottom))}
  .chat-button{height:46px;border-radius:999px;font-size:14px}
  .settings-toggle{width:46px;height:46px;min-width:46px;border-radius:50%;background:var(--sidebar)}
  .search-content{padding:24px 20px}
  .search-intro{gap:20px}
  .search-intro h1{font-size:22px}
  .search-dock{gap:10px;padding:12px 18px calc(18px + env(safe-area-inset-bottom))}
  .search-page-box{height:54px;min-height:54px;padding:0 16px}
  .search-close{width:54px;height:54px;min-width:54px}
}
@media(max-width:365px){.search-dock{padding-left:13px;padding-right:13px}.search-intro h1{font-size:20px}}