/* Mira Modern Workspace — final visual authority */
@font-face{font-family:"Mira Sans";src:url("/fonts/mira-sans-regular.woff2?v=1") format("woff2");font-style:normal;font-weight:400 599;font-display:swap}
@font-face{font-family:"Mira Sans";src:url("/fonts/mira-sans-semibold.woff2?v=1") format("woff2");font-style:normal;font-weight:600 900;font-display:swap}
:root{
  color-scheme:dark;
  --bg:#0b0d12;--bg-elevated:#0f1219;--side:#10131a;--panel:#151922;
  --panel-strong:#1a1f2a;--panel-soft:#12161e;--border:#262c38;--border-soft:#202631;
  --text:#f4f6fb;--text-2:#b7becc;--text-3:#788396;
  --brand:#7c6df2;--brand-hover:#8d80f7;--brand-soft:rgba(124,109,242,.12);
  --brand-border:rgba(141,128,247,.28);--cyan:#57c7dc;--success:#42c990;--danger:#f06f82;
  --shadow-sm:0 6px 18px rgba(0,0,0,.14);--shadow-md:0 18px 48px rgba(0,0,0,.22);
  --radius-sm:10px;--radius-md:14px;--radius-lg:18px;
  --bg-rgb:11,13,18;--panel-rgb:21,25,34;
}
html,body{background:var(--bg);color:var(--text);font-family:"Mira Sans",system-ui,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility}
body{background-image:radial-gradient(circle at 68% -10%,rgba(124,109,242,.07),transparent 34%)}
.aurora{display:none}
button,select,textarea{font-family:"Mira Sans",system-ui,sans-serif}
button{transition:background-color .18s ease,border-color .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease}
button:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid rgba(124,109,242,.25);outline-offset:2px}

/* Sidebar */
#sidebar{width:288px;padding:18px 14px 14px;background:rgba(16,19,26,.96);border-right:1px solid var(--border-soft);box-shadow:none;backdrop-filter:blur(24px)}
.brand{min-height:46px;padding:0 6px 16px;gap:12px}
.brand-identity{gap:11px}.brand-identity span{width:36px;height:36px;border:1px solid rgba(255,255,255,.1);border-radius:12px;background:#7668e8;box-shadow:0 8px 20px rgba(73,60,177,.2)}
.brand-identity b{font:700 15px/1.2 Manrope,sans-serif;letter-spacing:-.02em}.brand-identity small{margin-top:2px;color:var(--text-3);font-size:10px}
.new-chat{min-height:44px;padding:0 12px;border:1px solid var(--brand-border);border-radius:12px;background:var(--brand-soft);color:#e9e6ff;box-shadow:none;font-size:13px}
.new-chat:hover{background:rgba(124,109,242,.18);border-color:rgba(141,128,247,.42);transform:none;box-shadow:none}.new-chat kbd{border-color:var(--border);background:rgba(255,255,255,.035);color:var(--text-3)}
.side-title{margin:22px 9px 9px;color:var(--text-3);font-size:9px;font-weight:700;letter-spacing:.14em}.side-title i{background:var(--border-soft)}
#history{gap:3px;padding:0 2px 6px 0;scrollbar-width:thin;scrollbar-color:#303746 transparent}
#history button{min-height:40px;padding:8px 10px;border-radius:10px;color:var(--text-3);font-size:12px}
#history button:hover{background:#171b24;color:var(--text-2)}#history button.active{background:var(--brand-soft);color:#e4e0ff;box-shadow:inset 2px 0 var(--brand)}
#sidebar footer{padding-top:11px;border-color:var(--border-soft)}
.clear-all-chats{min-height:38px;margin-bottom:8px;border-radius:10px;color:var(--text-3)}.clear-all-chats:hover{border-color:rgba(240,111,130,.22);background:rgba(240,111,130,.07);color:var(--danger)}
.profile{padding:9px;border:1px solid var(--border-soft);border-radius:12px;background:#131720}.profile>span{width:32px;height:32px;background:#232936;color:#dce1eb;font-size:11px}.profile b{font-size:12px}.profile small{color:var(--text-3);font-size:10px}.profile>i{background:var(--success)}

/* App shell and header */
main{margin-left:288px;grid-template-rows:68px minmax(0,1fr) auto;background:transparent}
main>header{height:68px;padding:0 24px;border-bottom:1px solid var(--border-soft);background:rgba(var(--bg-rgb),.86);box-shadow:none;backdrop-filter:blur(20px)}
.header-identity{gap:11px}.header-mark{width:34px;height:34px;border:1px solid rgba(255,255,255,.1);border-radius:11px;background:#7668e8;box-shadow:0 7px 18px rgba(73,60,177,.18)}
.header-identity b{font:700 14px/1.15 Manrope,sans-serif;letter-spacing:-.015em}.model-picker{margin:1px 0 0 -7px}.model-picker select{height:24px;max-width:240px;color:var(--text-3);font-size:10px}.model-picker:hover select,.model-picker select:focus-visible{border-color:var(--border);background:var(--panel);color:var(--text-2)}
.header-actions{gap:10px}.online{color:var(--text-3);font-size:10px}.online i{background:var(--success);box-shadow:0 0 0 3px rgba(66,201,144,.1)}
.header-action{height:36px;min-height:36px;padding:0 10px!important;border:1px solid var(--border)!important;border-radius:10px!important;background:var(--panel-soft)!important;color:var(--text-3)!important;font-size:11px!important}.header-action:hover{background:var(--panel-strong)!important;color:var(--text-2)!important;border-color:#353d4c!important}

/* Conversation canvas */
.messages{padding:34px max(28px,calc((100% - 850px)/2)) 24px;scrollbar-color:#343b4a transparent}
.welcome{max-width:760px;margin:clamp(38px,9vh,96px) auto 0}.hero-orb{width:58px;height:58px;border:1px solid rgba(255,255,255,.1);border-radius:18px;background:#7668e8;box-shadow:0 16px 38px rgba(73,60,177,.2);transform:none}
.welcome h1{margin:22px 0 10px;color:var(--text);font:800 clamp(32px,4vw,44px)/1.12 Manrope,sans-serif;letter-spacing:-.045em}.welcome>p{max-width:570px;margin:0 auto;color:var(--text-3);font-size:14px;line-height:1.6}
.suggestions{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:30px}.suggestions button{min-height:54px;padding:13px 15px;border:1px solid var(--border-soft);border-radius:13px;background:rgba(var(--panel-rgb),.64);color:var(--text-2);box-shadow:none;font-size:13px}.suggestions button span{color:var(--text-3)}.suggestions button:hover{border-color:var(--brand-border);background:var(--brand-soft);color:var(--text);box-shadow:none;transform:translateY(-1px)}
.message{gap:11px;margin-bottom:20px}.avatar{width:34px;height:34px;flex-basis:34px;border:1px solid var(--border);border-radius:11px;box-shadow:none}.avatar-mira{background:#7668e8}.avatar-user{background:#202632;color:#cbd2df}
.message-content{max-width:calc(100% - 45px)}.message-meta{gap:7px;margin:1px 2px 6px}.message-meta strong{color:var(--text-2);font-size:11px}.message-meta time{color:var(--text-3);font-size:9px}
.bubble{color:var(--text-2);font-size:14.5px;line-height:1.66}.message.assistant .bubble{padding:0;border:0;border-radius:0;background:transparent;box-shadow:none}.message.user .bubble{max-width:min(650px,100%);padding:10px 14px;border:1px solid var(--border);border-radius:16px 5px 16px 16px;background:#191e27;color:#e6e9ef;box-shadow:none}
.message-actions{margin-top:4px}.message-action{color:var(--text-3)}.message-action:hover{background:var(--brand-soft)!important;color:#cfc8ff!important}
.rich-content h1,.rich-content h2,.rich-content h3{color:var(--text);font-family:Manrope,sans-serif}.rich-content h1{font-size:1.38rem}.rich-content h2{font-size:1.18rem}.rich-content h3{font-size:1.02rem}.rich-content p{margin:.55em 0}.rich-content strong{color:var(--text)}.rich-content a{color:#70cfe0}.rich-content blockquote{border-color:var(--brand);color:var(--text-3)}.rich-content :not(pre)>code{border-color:var(--brand-border);background:var(--brand-soft);color:#cfc8ff}.rich-content pre{border-color:var(--border);background:#090c11;box-shadow:none}.code-toolbar{background:#10141b;border-color:var(--border-soft)}

/* Composer */
.composer{padding:10px max(28px,calc((100% - 850px)/2)) 16px;background:linear-gradient(transparent,var(--bg) 23%)}
.composer-inner{min-height:58px;padding:9px 9px 9px 16px;border:1px solid #303746;border-radius:18px;background:#151922;box-shadow:0 15px 40px rgba(0,0,0,.18)}.composer-inner:focus-within{border-color:rgba(141,128,247,.48);box-shadow:0 0 0 3px rgba(124,109,242,.08),0 15px 40px rgba(0,0,0,.2)}
textarea{color:var(--text);font-size:15px}textarea::placeholder{color:#697487}.composer-meta{padding:7px 5px 0;color:var(--text-3)}.composer-meta b{color:var(--text-3)}
#sendBtn{width:40px;height:40px;border-radius:12px;background:#7668e8;box-shadow:none}#sendBtn:hover:not(:disabled){background:var(--brand-hover);box-shadow:none;transform:none}#sendBtn:disabled{background:#252b37;color:#687385;opacity:1}
#sendBtn.stopping{background:#303746;color:#f4f6fb;box-shadow:inset 0 0 0 1px #414a5b}#sendBtn.stopping:hover{background:#3a4353;box-shadow:inset 0 0 0 1px #505b6e}#sendBtn.stopping .stop-icon{width:18px;height:18px;animation:stopEnter .18s ease both}@keyframes stopEnter{from{opacity:0;transform:scale(.65)}to{opacity:1;transform:scale(1)}}
.scroll-latest{bottom:103px;color:var(--text-3)}.scroll-latest:hover{background:var(--panel);border-color:var(--border);color:var(--text)}
.thinking-state{border-color:var(--border);background:#151922;box-shadow:var(--shadow-sm)}

/* Authentication */
.auth-gate{background:radial-gradient(circle at 50% 0,rgba(124,109,242,.12),transparent 32%),var(--bg)}.auth-card{max-width:400px}.auth-logo{background:#7668e8;border-color:rgba(255,255,255,.11);box-shadow:0 18px 46px rgba(73,60,177,.22)}.auth-card h1{color:var(--text);font-family:Manrope,sans-serif}.auth-card>p{color:var(--text-3)}.code-inputs input{border-color:var(--border);background:var(--panel);color:var(--text);box-shadow:none}.code-inputs input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(124,109,242,.1);transform:none}.auth-submit{background:#7668e8;box-shadow:none}.auth-submit:hover:not(:disabled){background:var(--brand-hover);box-shadow:none}

@media(prefers-color-scheme:light){
  :root{color-scheme:light;--bg:#f6f7fa;--bg-elevated:#fff;--side:#fff;--panel:#fff;--panel-strong:#f2f4f8;--panel-soft:#fafbfc;--border:#dfe3eb;--border-soft:#e9ecf2;--text:#172033;--text-2:#3d485c;--text-3:#748096;--brand:#6757d3;--brand-hover:#5948c5;--brand-soft:rgba(103,87,211,.08);--brand-border:rgba(103,87,211,.22);--cyan:#087f96;--success:#14805e;--danger:#c83e59;--shadow-sm:0 6px 18px rgba(31,41,55,.06);--shadow-md:0 18px 48px rgba(31,41,55,.09);--bg-rgb:246,247,250;--panel-rgb:255,255,255}
  body{background-image:radial-gradient(circle at 68% -10%,rgba(103,87,211,.055),transparent 34%)}#sidebar{background:rgba(255,255,255,.96)}
  .brand-identity span,.header-mark,.hero-orb,.avatar-mira{background:#6757d3}.new-chat{color:#5144b2}.new-chat:hover{background:rgba(103,87,211,.12);color:#45399f}.profile,.composer-inner,.thinking-state{background:#fff}.profile>span,.avatar-user{background:#edf0f5;color:#4a5568}
  main>header{background:rgba(var(--bg-rgb),.88)}.header-action{background:#fff!important}.suggestions button{background:rgba(255,255,255,.78)}.message.user .bubble{background:#edf0f5;color:#253047}.rich-content pre{background:#11151d}.composer{background:linear-gradient(transparent,var(--bg) 23%)}
  #sendBtn{background:#6757d3}#sendBtn:hover:not(:disabled){background:#5948c5}#sendBtn:disabled{background:#e4e7ed;color:#99a2b1}.auth-gate{background:radial-gradient(circle at 50% 0,rgba(103,87,211,.09),transparent 32%),var(--bg)}.code-inputs input{background:#fff}
}

@media(max-width:760px){
  #sidebar{width:min(88vw,320px);padding:max(14px,env(safe-area-inset-top)) 12px max(12px,env(safe-area-inset-bottom));box-shadow:24px 0 70px rgba(0,0,0,.28)}
  main{margin-left:0;grid-template-rows:calc(60px + env(safe-area-inset-top)) minmax(0,1fr) auto}main>header{height:calc(60px + env(safe-area-inset-top));padding:env(safe-area-inset-top) 10px 0 62px;gap:8px}.mobile-menu{top:max(10px,env(safe-area-inset-top));left:10px;width:40px;height:40px;border:1px solid var(--border);border-radius:11px;background:var(--panel);color:var(--text-2)}
  main>header .header-identity{gap:0}.header-mark{display:none}.header-identity b{font-size:13px}.model-picker select{max-width:150px;font-size:9px}.header-actions{gap:7px}.online{width:7px}.header-action{width:36px!important;padding:0!important}
  .messages{padding:18px 14px 12px}.welcome{margin:clamp(18px,5vh,48px) auto 0}.hero-orb{width:50px;height:50px;border-radius:16px}.welcome h1{margin-top:18px;font-size:30px}.welcome>p{font-size:13.5px}.suggestions{grid-template-columns:1fr;gap:8px;margin-top:22px}.suggestions button{min-height:48px}
  .message{gap:9px;margin-bottom:17px}.avatar{width:31px;height:31px;flex-basis:31px}.message-content{max-width:calc(100% - 40px)}.bubble{font-size:14px;line-height:1.6}.message.assistant .bubble{padding:0}.message.user .bubble{padding:9px 12px}.message-actions{opacity:1;transform:none}
  .composer{padding:8px 10px max(8px,env(safe-area-inset-bottom));background:var(--bg)}.composer-inner{min-height:54px;padding:7px 7px 7px 13px;border-radius:16px}.composer-meta{justify-content:center;padding-top:5px}.scroll-latest{bottom:91px}
}
@media(max-width:380px){.model-picker select{max-width:126px}.welcome h1{font-size:27px}.messages{padding-left:12px;padding-right:12px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}

/* Branded typography authority */
.brand-identity b,.header-identity b,.welcome h1,.auth-card h1,.message-meta strong,.rich-content h1,.rich-content h2,.rich-content h3,.thinking-copy strong{font-family:"Mira Sans",system-ui,sans-serif;font-synthesis:none}
.brand-identity b,.header-identity b,.message-meta strong{letter-spacing:-.012em}.welcome h1{letter-spacing:-.042em}.rich-content h1,.rich-content h2,.rich-content h3{letter-spacing:-.026em}
.bubble,.welcome>p,.suggestions button,.new-chat,#history button,.profile,.composer-meta,.model-picker select{font-family:"Mira Sans",system-ui,sans-serif}
.rich-content code,.rich-content pre,.code-toolbar,.code-copy,kbd{font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,Consolas,monospace}

/* Mira Conversation Experience — calm like Claude, functional like ChatGPT */
.messages{--conversation-width:820px;padding-left:max(24px,calc((100% - var(--conversation-width))/2));padding-right:max(24px,calc((100% - var(--conversation-width))/2))}
.message{width:100%;gap:12px;margin-bottom:28px;animation:messageArrive .28s cubic-bezier(.2,.75,.25,1) both}
.message.assistant{padding-bottom:2px}.message.assistant .message-content{width:calc(100% - 48px);max-width:none}.message.assistant .bubble{max-width:760px;color:var(--text-2);font-size:15px;line-height:1.72;letter-spacing:.001em}
.message.user{align-items:flex-start}.message.user .avatar{display:none}.message.user .message-content{width:auto;max-width:min(76%,680px);margin-left:auto}.message.user .message-meta{margin:0 5px 5px 0}.message.user .bubble{padding:11px 15px;border-color:var(--border-soft);border-radius:17px 5px 17px 17px;background:var(--panel-strong);color:var(--text);font-size:14.5px;line-height:1.58}
.message-meta{height:20px;align-items:center;margin:0 0 7px}.message-meta strong{font-size:12px;font-weight:650;color:var(--text)}.message.assistant .message-meta strong::after{content:"AI";display:inline-flex;align-items:center;height:16px;margin-left:7px;padding:0 5px;border:1px solid var(--brand-border);border-radius:5px;background:var(--brand-soft);color:#bcb4ff;font-size:8px;font-weight:700;letter-spacing:.07em;vertical-align:1px}.message-meta time{opacity:0;transition:opacity .18s ease}.message:hover .message-meta time{opacity:.72}
.message-actions{height:30px;min-height:30px;align-items:center;gap:2px;margin-top:7px;opacity:.4;transform:none}.message.assistant:hover .message-actions,.message.assistant:focus-within .message-actions{opacity:1}.message.user .message-actions{opacity:0}.message.user:hover .message-actions,.message.user:focus-within .message-actions{opacity:1}
.message-action{min-width:28px;height:28px;justify-content:center;padding:0 7px;border:1px solid transparent;border-radius:8px;color:var(--text-3)}.message-action:hover,.message-action.selected{border-color:var(--border)!important;background:var(--panel)!important;color:var(--text)!important}.message-action.selected{color:#bcb4ff!important}.message-action svg{width:15px;height:15px}.action-divider{width:1px;height:15px;margin:0 3px;background:var(--border-soft)}
.rich-content{font-size:inherit;line-height:inherit}.rich-content h1{margin:1.25em 0 .5em;font-size:1.48rem}.rich-content h2{margin:1.18em 0 .46em;font-size:1.24rem}.rich-content h3{margin:1.08em 0 .42em;font-size:1.08rem}.rich-content p{margin:.62em 0}.rich-content ul,.rich-content ol{margin:.68em 0;padding-left:1.45em}.rich-content li{margin:.32em 0}.rich-content hr{margin:1.55em 0}.rich-content pre{margin:1.15em 0;border-radius:13px}.rich-content blockquote{margin:1.1em 0;padding:.22em 0 .22em 1em}
.composer{position:relative}.composer::before{content:"";position:absolute;z-index:-1;inset:-40px 0 0;background:linear-gradient(transparent,var(--bg) 38%);pointer-events:none}.composer-inner{max-width:850px;margin:0 auto}.composer-meta{max-width:850px;margin:0 auto}
@keyframes messageArrive{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:none}}
@media(prefers-color-scheme:light){.message.user .bubble{background:#eef1f6;border-color:#e2e6ed}.message.assistant .message-meta strong::after{color:#5a49c2}.message-action:hover,.message-action.selected{background:#fff!important}}
@media(max-width:760px){.messages{padding-left:14px;padding-right:14px}.message{gap:9px;margin-bottom:22px}.message.assistant .message-content{width:calc(100% - 40px)}.message.assistant .bubble{font-size:14.5px;line-height:1.65}.message.user .message-content{max-width:88%}.message.user .bubble{font-size:14px}.message-meta time{display:none}.message-actions{opacity:1}.message-action span{display:none}.action-divider{margin:0 2px}.rich-content h1{font-size:1.3rem}.rich-content h2{font-size:1.16rem}.rich-content h3{font-size:1.02rem}}
@media(prefers-reduced-motion:reduce){.message{animation:none}}

/* 2026-08 premium interface refinement */
:root{--brand:#7566ee;--brand-hover:#6657df;--brand-soft:rgba(117,102,238,.105);--focus-ring:rgba(117,102,238,.24)}
#sidebar{padding:16px 12px 12px}.brand{padding:2px 5px 14px}.brand-identity span{width:38px;height:38px;border-radius:13px}.new-chat{min-height:46px;border-radius:14px;font-weight:650}.side-title{margin:20px 10px 8px}#history button{min-height:42px;padding:9px 11px;font-size:12.5px;font-weight:520}#history button.active{background:rgba(117,102,238,.14);color:#f0edff;box-shadow:inset 2px 0 #8d80f7}.profile{border-radius:14px}.clear-all-chats{font-size:12px}
main>header{height:64px;padding:0 22px}main{grid-template-rows:64px minmax(0,1fr) auto}.header-identity b{font-size:14px}.model-picker select{font-size:10.5px;font-weight:560}.header-action{border-color:transparent!important;background:transparent!important}.header-action:hover{border-color:var(--border)!important;background:var(--panel)!important}
.welcome{max-width:680px;margin:clamp(34px,8vh,78px) auto 0}.hero-orb{width:54px;height:54px;border-radius:17px;box-shadow:0 14px 34px rgba(73,60,177,.17)}.welcome h1{margin:18px 0 8px;font-size:clamp(30px,4vw,40px);letter-spacing:-.038em}.welcome>p{max-width:520px;font-size:13.5px;line-height:1.55}.suggestions{gap:9px;margin-top:24px}.suggestions button{min-height:52px;border-radius:14px;background:rgba(var(--panel-rgb),.5);font-weight:540}.suggestions button span{transition:transform .18s ease,color .18s ease}.suggestions button:hover span{transform:translateX(2px);color:var(--brand)}
.messages{--conversation-width:800px;padding-top:28px}.message{margin-bottom:24px}.message.assistant .bubble{max-width:720px;line-height:1.68}.message.user .message-content{max-width:min(72%,620px)}.message.user .bubble{padding:10px 14px;border-radius:16px 6px 16px 16px;background:var(--panel-strong)}.avatar{border-radius:12px}.avatar-mira{box-shadow:0 8px 18px rgba(73,60,177,.14)}.message-meta strong{font-weight:680}.message.assistant .message-meta strong::after{opacity:.82}.rich-content h1{font-size:1.38rem}.rich-content h2{font-size:1.18rem}.rich-content h3{font-size:1.04rem}
.composer{padding-top:8px}.composer-inner{min-height:56px;border-color:var(--border);border-radius:17px;box-shadow:0 12px 32px rgba(0,0,0,.14)}.composer-inner:focus-within{border-color:rgba(117,102,238,.5);box-shadow:0 0 0 3px var(--focus-ring),0 14px 34px rgba(0,0,0,.16)}#sendBtn{border-radius:11px;background:var(--brand)}
@media(prefers-color-scheme:light){:root{--brand:#6656d8;--brand-hover:#5848c8;--brand-soft:rgba(102,86,216,.085);--focus-ring:rgba(102,86,216,.16)}body{background-image:radial-gradient(circle at 72% -8%,rgba(102,86,216,.045),transparent 30%)}#history button{color:#5f6b80}#history button.active{background:#efedff;color:#44369f;box-shadow:inset 3px 0 #6b5bdd}.suggestions button{border-color:#e5e8ef;background:rgba(255,255,255,.9);box-shadow:0 1px 2px rgba(28,37,54,.025)}.suggestions button:hover{border-color:#d5cff8;background:#f8f7ff}.message.user .bubble{background:#edf0f5;border-color:#e2e6ed}.composer-inner{border-color:#d9dee8;box-shadow:0 10px 30px rgba(31,41,55,.07)}}
@media(max-width:760px){#sidebar{width:min(86vw,316px);padding:max(12px,env(safe-area-inset-top)) 12px max(10px,env(safe-area-inset-bottom))}.brand{padding:2px 4px 14px}.brand-identity span{width:38px;height:38px}.new-chat{min-height:48px}.side-title{margin-top:18px}#history button{min-height:44px;font-size:13px}main{grid-template-rows:calc(58px + env(safe-area-inset-top)) minmax(0,1fr) auto}main>header{height:calc(58px + env(safe-area-inset-top));padding:env(safe-area-inset-top) 8px 0 58px}.mobile-menu{top:max(9px,env(safe-area-inset-top));left:9px;width:39px;height:39px;border-radius:12px;box-shadow:none}.header-identity b{font-size:13px}.model-picker select{max-width:142px;font-size:9.5px}.header-action{width:34px!important;height:34px!important;min-height:34px!important}.messages{padding:15px 14px 10px}.welcome{margin:clamp(18px,4vh,38px) auto 0}.hero-orb{width:48px;height:48px;border-radius:15px}.welcome h1{margin:16px 0 7px;font-size:28px;line-height:1.12}.welcome>p{font-size:13px;line-height:1.5}.suggestions{gap:8px;margin-top:20px}.suggestions button{min-height:48px;padding:12px 14px;font-size:13px}.message{gap:9px;margin-bottom:20px}.message.assistant .bubble{font-size:14.25px;line-height:1.62}.message.user .message-content{max-width:86%}.message.user .bubble{padding:9px 12px;font-size:14px}.rich-content h1{font-size:1.24rem;line-height:1.25}.rich-content h2{font-size:1.12rem}.rich-content h3{font-size:1rem}.composer{padding:7px 9px max(7px,env(safe-area-inset-bottom))}.composer-inner{min-height:52px;border-radius:16px}#sendBtn{width:38px;height:38px}.composer-meta{font-size:9px}}
@media(max-width:380px){.welcome h1{font-size:26px}.model-picker select{max-width:120px}.suggestions button{min-height:46px}}

/* Corporate graphite — final brand authority */
:root{color-scheme:dark;--bg:#111412;--bg-elevated:#151916;--side:#171b18;--panel:#1b201c;--panel-strong:#222823;--panel-soft:#191d1a;--border:#303731;--border-soft:#272d28;--text:#f1f2ed;--text-2:#c2c7c0;--text-3:#858e86;--brand:#b7c7a7;--brand-hover:#c8d5bb;--brand-soft:rgba(183,199,167,.1);--brand-border:rgba(183,199,167,.24);--accent:#b7c7a7;--accent-strong:#9fb18e;--accent-soft:rgba(183,199,167,.1);--accent-border:rgba(183,199,167,.24);--text-secondary:#c2c7c0;--text-tertiary:#858e86;--surface-hover:rgba(255,255,255,.045);--surface-active:rgba(183,199,167,.1);--focus-ring:rgba(183,199,167,.28);--success:#79b895;--danger:#df7d79;--line:#303731;--bg-rgb:17,20,18;--panel-rgb:27,32,28;--shadow-sm:0 4px 14px rgba(0,0,0,.14);--shadow-md:0 16px 42px rgba(0,0,0,.2)}
html,body{background:var(--bg)}body{background-image:none}.aurora{display:none!important}#sidebar{background:rgba(23,27,24,.98);border-color:var(--border-soft);backdrop-filter:none}
.brand-identity span,.header-mark,.hero-orb{position:relative;background:#273027!important;color:transparent!important;border:1px solid #3a463a!important;border-radius:8px!important;box-shadow:none!important}.brand-identity span::after,.header-mark::after,.hero-orb::after{content:"M";position:absolute;inset:0;display:grid;place-items:center;color:#dce6d4;font-family:"Mira Sans",system-ui,sans-serif;font-weight:700;letter-spacing:-.04em}.brand-identity span::after{font-size:14px}.header-mark::after{font-size:12px}.hero-orb::after{font-size:21px}
.avatar-mira{background:#273027!important;color:#dce6d4!important;border-color:#3a463a!important;border-radius:8px!important;box-shadow:none!important}.new-chat{background:#202620;color:var(--text);border-color:#394339;box-shadow:none}.new-chat:hover{background:#283028;color:var(--text);border-color:#4a5749;box-shadow:none;transform:none}#history button.active{background:#222a23;color:#e6ebe2;box-shadow:inset 2px 0 #9fb18e}#history button:hover{background:#1e241f}.profile{background:#1b201c;border-color:var(--border-soft)}
main>header{background:rgba(17,20,18,.94);border-color:var(--border-soft);backdrop-filter:blur(12px);box-shadow:none}.model-picker:hover select,.model-picker select:focus-visible{background:#1c211d;border-color:#3a433b}.online{color:var(--text-3)}.header-action{background:transparent!important;border-color:var(--border-soft)!important}.header-action:hover{background:#1d231e!important;border-color:#3a433b!important;color:var(--text)!important}
.welcome{margin-top:clamp(40px,8vh,82px)}.welcome h1{font-size:clamp(30px,3.6vw,41px);font-weight:700;letter-spacing:-.035em}.hero-orb{width:54px;height:54px}.suggestions button{background:#181d19;border-color:var(--border-soft);border-radius:10px;color:var(--text-2)}.suggestions button:hover{background:#202720;border-color:#414c41;color:var(--text);box-shadow:none;transform:none}
.message.user .bubble{background:#222823;border-color:#343c35;box-shadow:none}.message.assistant .bubble{background:transparent!important;border:0!important;box-shadow:none!important}.message.assistant .message-meta strong::after{background:#202720;border-color:#394339;color:#aebca4}.message-action:hover,.message-action.done,.code-copy.copied{background:#242c24!important;color:#cdd8c6!important}.rich-content a{color:#9fc4b2}.rich-content li::marker{color:#8fa985}.rich-content blockquote{border-color:#82977b}.rich-content :not(pre)>code{background:#202720;border-color:#374137;color:#c9d7c1}.rich-content th{background:#202620}
.composer{background:linear-gradient(transparent,var(--bg) 24%)}.composer-inner{background:#1b201c;border-color:#343b35;border-radius:13px;box-shadow:0 10px 28px rgba(0,0,0,.14)}.composer-inner:focus-within{border-color:#647460;box-shadow:0 0 0 3px rgba(183,199,167,.07),0 10px 28px rgba(0,0,0,.15)}#sendBtn,.auth-submit{background:#b7c7a7;color:#172018;box-shadow:none}#sendBtn:hover:not(:disabled),.auth-submit:hover:not(:disabled){background:#c8d5bb;color:#111712;box-shadow:none;transform:none}#sendBtn:disabled{background:#292f2a;color:#687168}
.scroll-latest:hover{background:#222923;border-color:#3a453a;color:#dce5d6;box-shadow:none}.thinking-state{background:#1b201c;border-color:#303731;box-shadow:none}.auth-gate{background:var(--bg)}.auth-logo{background:#273027!important;border-color:#3a463a!important;box-shadow:none!important;color:#dce6d4!important}.code-inputs input{background:#1b201c;border-color:#343b35;border-radius:9px}.code-inputs input:focus{border-color:#647460;box-shadow:0 0 0 3px rgba(183,199,167,.08)}
@media(prefers-color-scheme:light){:root{color-scheme:light;--bg:#f4f4ef;--bg-elevated:#fafaf6;--side:#eceee8;--panel:#fafaf7;--panel-strong:#e8ebe4;--panel-soft:#f1f2ed;--border:#cdd2ca;--border-soft:#dde1da;--text:#20251f;--text-2:#485048;--text-3:#737d74;--brand:#526751;--brand-hover:#445744;--brand-soft:rgba(82,103,81,.08);--brand-border:rgba(82,103,81,.22);--accent:#526751;--accent-soft:rgba(82,103,81,.08);--accent-border:rgba(82,103,81,.22);--text-secondary:#485048;--text-tertiary:#737d74;--surface-hover:#e7eae4;--surface-active:#e1e7df;--focus-ring:rgba(82,103,81,.22);--success:#397a58;--danger:#b84f4b;--line:#cdd2ca;--bg-rgb:244,244,239;--panel-rgb:250,250,247}#sidebar{background:rgba(236,238,232,.98)}main>header{background:rgba(244,244,239,.95)}.brand-identity span,.header-mark,.hero-orb,.avatar-mira{background:#526751!important;border-color:#526751!important}.brand-identity span::after,.header-mark::after,.hero-orb::after{color:#f4f6f1}.new-chat{background:#e3e8e1;color:#263326;border-color:#c4cec1}.new-chat:hover{background:#dbe3d8;border-color:#acb9a8;color:#202b20}#history button.active{background:#dfe6dc;color:#263326}.profile{background:#f3f4ef}.header-action:hover{background:#e7eae4!important;border-color:#c9cec7!important}.suggestions button{background:#fafaf7;border-color:#d9ddd6}.suggestions button:hover{background:#e9eee7;border-color:#bcc7b9}.message.user .bubble{background:#e7ebe4;border-color:#d3d8d0}.composer-inner,.thinking-state{background:#fafaf7}#sendBtn,.auth-submit{background:#526751;color:#fff}#sendBtn:hover:not(:disabled),.auth-submit:hover:not(:disabled){background:#445744;color:#fff}#sendBtn:disabled{background:#dfe2dc;color:#929a92}.auth-gate{background:#f4f4ef}.code-inputs input{background:#fafaf7}}
@media(max-width:760px){.mobile-menu{background:var(--panel);border-color:var(--border);border-radius:9px}.composer{background:var(--bg)}.composer-inner{border-radius:12px}}