*{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#1c1b1a;--panel:#242321;--panel2:#2e2d2b;--panel3:#383634;
  --border:#35322f;--border2:#454240;
  --fg:#eceae8;--mut:#8f8b85;--mut2:#6b6862;
  --grn:#7cc37f;--code-bg:#211f1e;
  --bad:#e0705f;--warn:#e0b45f;
}
html,body{height:100%}
body{background:var(--bg);color:var(--fg);font-family:Inter,-apple-system,"Segoe UI",system-ui,sans-serif;font-size:14px;overflow:hidden;-webkit-font-smoothing:antialiased}
.app{display:flex;height:100vh}

/* ---------- sidebar ---------- */
.side{width:264px;min-width:264px;background:#1a1918;border-right:1px solid var(--border);display:flex;flex-direction:column;padding:14px 12px;gap:6px;transition:margin .2s ease}
body.collapsed .side{margin-left:-264px}
body.collapsed .expand-fab{display:flex}
.side-top{display:flex;align-items:center;justify-content:space-between;padding:0 4px 8px}
.brand{display:flex;gap:9px;align-items:center}
.logo{width:26px;height:26px;display:flex;align-items:center;justify-content:center}
.logo svg{width:26px;height:26px}
.wordmark{font-weight:600;font-size:15.5px;letter-spacing:-.01em;color:#faf9f7}
.icon-btn{background:none;border:none;color:var(--mut);cursor:pointer;padding:6px;border-radius:7px;display:flex}
.icon-btn:hover{color:var(--fg);background:var(--panel2)}
.icon-btn svg{width:16px;height:16px}
.expand-fab{display:none;position:fixed;top:14px;left:14px;z-index:20;width:32px;height:32px;align-items:center;justify-content:center;background:var(--panel);border:1px solid var(--border2);border-radius:8px;color:var(--mut);cursor:pointer}
.expand-fab:hover{color:var(--fg)}
.expand-fab svg{width:15px;height:15px}
.new-btn{display:flex;align-items:center;gap:8px;width:100%;background:var(--panel);border:1px solid var(--border);color:var(--fg);border-radius:10px;padding:9px 11px;font:inherit;font-size:13px;font-weight:500;cursor:pointer;text-align:left;margin:4px 0 8px}
.new-btn svg{width:14px;height:14px;color:var(--mut)}
.new-btn:hover{border-color:var(--border2);background:var(--panel2)}
.new-btn,.file,.mode-chip,.mini,.cbtn,.send,.icon-btn,.hint-chip,.src-btn{transition:all .15s ease}
.side-label{font-size:10.5px;text-transform:uppercase;letter-spacing:.07em;color:var(--mut2);padding:10px 8px 4px;font-weight:600}
.files{flex:0 1 auto;overflow-y:auto;display:flex;flex-direction:column;gap:2px}
.files:has(.dim){display:block}
.file{display:flex;align-items:center;gap:9px;padding:7px 8px;border-radius:8px;cursor:pointer;font-size:13px;color:#d8d5d1}
.file:hover{background:var(--panel2);transform:translateX(2px)}
.file svg{width:14px;height:14px;color:var(--mut);flex:none}
.file .fs{margin-left:auto;color:var(--mut2);font-size:11px}
.file.src{cursor:default;color:var(--mut);font-size:12.5px}
.file.src .dot{width:6px;height:6px;border-radius:50%;background:var(--grn);flex:none}
.pad{padding:8px}
.dim{color:var(--mut2);font-size:12px;line-height:1.5}
.side-foot{margin-top:auto;font-size:11px;color:var(--mut2);padding:10px 8px 2px;border-top:1px solid var(--border);display:flex;flex-direction:column;align-items:flex-start;gap:5px}
.side-credit{font-weight:600;letter-spacing:.02em;background:linear-gradient(100deg,#6e1f1a 0%,#f4b6ad 25%,#a83226 50%,#ee8f80 75%,#6e1f1a 100%);background-size:220% 100%;-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent;animation:grad-sheen 4s linear infinite}
@keyframes grad-sheen{0%{background-position:200% 0}100%{background-position:-20% 0}}

/* ---------- thread ---------- */
.main{flex:1;display:flex;flex-direction:column;min-width:0;background:var(--bg)}
.thread{flex:1;overflow-y:auto;padding:30px 0 22px;display:flex;flex-direction:column;align-items:center}
.thread>*{width:min(720px,94%)}
.empty{margin:auto;text-align:center;padding:30px 0}
.hero-mark{width:46px;height:46px;margin:0 auto 20px;color:#faf9f7;animation:hero-breathe 4s ease-in-out infinite}
.hero-mark svg{width:46px;height:46px}
@keyframes hero-breathe{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.75;transform:scale(.96)}}
.empty h1{font-size:24px;font-weight:600;letter-spacing:-.02em;margin-bottom:12px;color:#faf9f7}
.empty h1.grad{background:linear-gradient(100deg,#6b6862 0%,#f4f3f1 25%,#8f8b85 50%,#eceae8 75%,#6b6862 100%);background-size:220% 100%;-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent;animation:grad-sheen 4s linear infinite}
.empty p{color:var(--mut);max-width:520px;margin:0 auto 22px;line-height:1.6;font-size:14px}
.empty p b{color:#d8d5d1;font-weight:500}
.chips{display:flex;gap:8px;justify-content:center;flex-wrap:wrap}
.hint-chip{display:flex;align-items:center;gap:7px;background:var(--panel);border:1px solid var(--border);border-radius:999px;padding:8px 15px;font-size:12.5px;color:var(--mut);cursor:pointer;font:inherit}
.hint-chip:hover{color:var(--fg);border-color:var(--border2);background:var(--panel2)}

/* ---------- messages ---------- */
.msg{margin-bottom:24px;display:flex;flex-direction:column;animation:msg-in .28s cubic-bezier(.2,.8,.3,1)}
@keyframes msg-in{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.msg .who{font-size:11px;text-transform:uppercase;letter-spacing:.07em;color:var(--mut2);margin-bottom:8px;display:flex;align-items:center;gap:7px;font-weight:600}
.msg .who .av{width:19px;height:19px;border-radius:5px;background:var(--panel3);display:inline-flex;align-items:center;justify-content:center;color:#faf9f7}
.msg .who .av svg{width:12px;height:12px}
.msg .who .t{font-size:10px;color:#55524e;text-transform:none;font-weight:400;margin-left:2px}
.msg:has(.bubble.input){align-items:flex-end}
.msg:has(.bubble.input) .who{flex-direction:row-reverse}
.bubble{background:var(--code-bg);border:1px solid var(--border);border-radius:12px;padding:13px 15px;font-family:"SF Mono","Cascadia Code","JetBrains Mono",ui-monospace,monospace;font-size:12.5px;line-height:1.65;white-space:pre-wrap;word-break:break-word;max-height:520px;overflow-y:auto;color:#d6d3cf}
.bubble.input{background:#252423;max-height:180px;color:#cfccc8}
.row{display:flex;gap:8px;margin-top:8px;flex-wrap:wrap}
.mini{background:var(--panel);border:1px solid var(--border);color:#d8d5d1;border-radius:8px;padding:5px 12px;font-size:12px;cursor:pointer;font:inherit}
.mini:hover{border-color:var(--border2);background:var(--panel2)}
.chip{display:inline-flex;align-items:center;gap:5px;background:var(--panel2);border:1px solid var(--border);border-radius:999px;padding:3px 11px;font-size:11px;color:var(--mut);margin:2px;font-family:Inter,sans-serif;text-decoration:none}
a.chip:hover{border-color:var(--border2);color:var(--fg)}
.chip b{color:#d8d5d1;font-weight:500}
.chip.hit{border-color:#3f6b44;color:#c9e6cb}
.chip.hit b{color:var(--grn)}
.chip.miss{opacity:.5}
.err{color:#ff9a92}
.ok{color:var(--grn)}

/* ---------- report ---------- */
.report{background:var(--panel);border:1px solid var(--border);border-radius:14px;overflow:hidden}
.rhead{display:flex;align-items:center;gap:12px;padding:14px 16px;border-bottom:1px solid var(--border);flex-wrap:wrap}
.rava{width:38px;height:38px;border-radius:9px;background:var(--panel3);display:flex;align-items:center;justify-content:center;overflow:hidden;flex:none}
.rava img{width:100%;height:100%;object-fit:cover}
.rava svg{width:18px;height:18px;color:var(--mut)}
.rtitle{min-width:0;flex:1}
.rtitle .q{font-weight:600;font-size:14px;color:#faf9f7;word-break:break-all}
.rtitle .ty{font-size:11px;color:var(--mut);text-transform:uppercase;letter-spacing:.08em;margin-top:2px}
.rbadges{display:flex;gap:6px;flex-wrap:wrap}
.badge{font-size:10px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;padding:3px 9px;border-radius:6px;border:1px solid var(--border2);color:var(--mut)}
.badge.g{color:var(--grn);border-color:#3f6b44;background:rgba(124,195,127,.08)}
.badge.r{color:#ff9a92;border-color:#6b3f3f;background:rgba(224,112,95,.08)}
.badge.y{color:var(--warn);border-color:#6b5a3f;background:rgba(224,180,95,.08)}
.sec{border-bottom:1px solid var(--border2);padding:12px 16px}
.sec:last-child{border-bottom:none}
.sec-h{font-size:10.5px;text-transform:uppercase;letter-spacing:.09em;color:var(--mut2);font-weight:600;margin-bottom:10px;display:flex;align-items:center;gap:8px}
.sec-sub{font-size:10.5px;color:var(--mut2);margin:-5px 0 10px;letter-spacing:.02em}
.fgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:7px}
.f{background:var(--panel2);border:1px solid var(--border);border-radius:9px;padding:8px 11px;min-width:0}
.f .fk{font-size:9.5px;text-transform:uppercase;letter-spacing:.08em;color:var(--mut2);margin-bottom:3px}
.f .fv{font-size:12.5px;color:var(--fg);word-break:break-word;font-weight:500}
.f .fv.mono{font-family:"SF Mono",ui-monospace,monospace;font-size:11.5px}
.plat{display:flex;flex-wrap:wrap;gap:5px}
.plat .chip{cursor:pointer}
.rawbox{margin-top:10px;background:var(--code-bg);border:1px solid var(--border);border-radius:9px;padding:10px 12px;font-family:"SF Mono",ui-monospace,monospace;font-size:11px;line-height:1.6;max-height:280px;overflow:auto;white-space:pre;color:#b8b5b1;display:none}
.rawbox.open{display:block}
.machine{background:var(--panel2);border:1px solid var(--border);border-radius:9px;padding:10px 12px;margin-bottom:8px}
.machine .mhead{font-family:"SF Mono",ui-monospace,monospace;font-size:12px;font-weight:600;color:#f0c0b8;margin-bottom:8px}
.machine .mhead span{color:var(--muted);font-weight:400;font-size:11px}
.combobox{background:var(--code-bg);border:1px solid var(--border);border-radius:9px;padding:10px 12px;max-height:280px;overflow:auto}
.combobox .combo{font-family:"SF Mono",ui-monospace,monospace;font-size:11.5px;line-height:1.7;color:#e0a89f;word-break:break-all}
.combobox .combo.dim{color:var(--muted)}
.gauge{display:flex;align-items:center;gap:10px}
.gauge svg{width:44px;height:44px;transform:rotate(-90deg)}
.gauge .gv{font-size:22px;font-weight:700;color:#faf9f7;font-variant-numeric:tabular-nums}
.gauge .gl{font-size:10px;color:var(--mut2);text-transform:uppercase;letter-spacing:.07em}
.src-list{display:flex;flex-wrap:wrap;gap:5px;margin-top:8px}
.src-list .chip{cursor:default}

/* ---------- work panel ---------- */
.msg.work .bubble{background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:0;overflow:hidden;max-height:none;white-space:normal}
.whead{display:flex;align-items:center;gap:8px;padding:10px 14px;border-bottom:1px solid var(--border);font-size:12.5px}
.whead b{font-weight:600;letter-spacing:.01em;background:linear-gradient(100deg,#8a8a8a,#f4f3f1 35%,#a8a8a8 60%,#efeeec 80%,#8a8a8a);background-size:220% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;animation:sheen 2.6s linear infinite}
@keyframes sheen{to{background-position:-220% 0}}
.welap{margin-left:auto;font-size:11px;color:var(--mut);font-variant-numeric:tabular-nums}
.spin{width:13px;height:13px;border-radius:50%;border:1.6px solid #3a3835;border-top-color:#e8e7e5;animation:spn .8s linear infinite;flex:none}
@keyframes spn{to{transform:rotate(360deg)}}
.okdot,.errdot{width:13px;height:13px;border-radius:50%;flex:none}
.okdot{background:radial-gradient(circle at 35% 35%,#9fe3b0,#3f9e58)}
.errdot{background:radial-gradient(circle at 35% 35%,#f0a8a0,#c0493f)}
.steps{padding:8px 4px 10px;display:flex;flex-direction:column}
.step{display:flex;align-items:baseline;gap:8px;padding:4px 14px;font-size:12px;opacity:0;animation:stepin .25s ease forwards}
@keyframes stepin{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}
.step b{font-weight:600;color:var(--fg);white-space:nowrap}
.step .st{color:var(--mut);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0;flex:1}
.step .stt{color:#4a4743;font-size:10.5px;font-variant-numeric:tabular-nums;flex:none}
.step .ai .adot{width:11px;height:11px;display:block}

/* ---------- composer ---------- */
.composer-wrap{padding:0 0 16px;display:flex;flex-direction:column;align-items:center;gap:7px}
.composer-wrap>*{width:min(720px,94%)}
.composer{position:relative;border-radius:20px;padding:1.5px;background:linear-gradient(120deg,#454240,#6b6862,#3a3835,#8f8b85,#454240);background-size:300% 300%;animation:ring-sheen 7s ease-in-out infinite;transition:box-shadow .3s ease}
.composer:focus-within{background:linear-gradient(120deg,#8f8b85,#f4f3f1 30%,#6b6862 55%,#c8c5c0 80%,#8f8b85);background-size:300% 300%;animation:ring-sheen 3.5s linear infinite;box-shadow:0 0 0 4px rgba(236,234,232,.05),0 8px 32px rgba(0,0,0,.45)}
.composer-in{background:var(--panel);border-radius:18.5px;padding:11px 11px 8px;display:flex;flex-direction:column;gap:4px}
@keyframes ring-sheen{0%{background-position:0% 50%}50%{background-position:100% 50%}100%{background-position:0% 50%}}
#composer{background:none;border:none;color:var(--fg);font:inherit;font-size:14.5px;resize:none;max-height:200px;outline:none;line-height:1.5;padding:2px 6px 8px;caret-color:#f4f3f1}
#composer::placeholder{color:#5f5c58;transition:color .2s}
.composer:focus-within #composer::placeholder{color:#4a4743}
.composer-bar{display:flex;align-items:center;justify-content:space-between;gap:8px}
.cb-left{display:flex;align-items:center;gap:6px;min-width:0;flex-wrap:wrap}
.mode-group{display:flex;gap:4px;flex-wrap:wrap}
.mode-chip{background:none;border:1px solid transparent;color:var(--mut);padding:5px 11px;border-radius:999px;cursor:pointer;font:inherit;font-size:12px}
.mode-chip:hover{color:var(--fg);transform:translateY(-1px)}
.mode-chip.on{background:var(--panel3);color:var(--fg);border-color:var(--border2)}
.send{width:30px;height:30px;flex:none;background:#faf9f7;color:#1c1b1a;border:none;border-radius:999px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:transform .12s ease,filter .15s,box-shadow .2s}
.send:hover{filter:brightness(.88);transform:translateY(-1px);box-shadow:0 2px 10px rgba(244,243,241,.18)}
.send:active{transform:scale(.9)}
.send:disabled{opacity:.4;cursor:default;transform:none}
.send svg{width:15px;height:15px}
.composer-hint{font-size:10.5px;color:#55524e;text-align:center}

/* scrollbars hidden */
::-webkit-scrollbar{width:0;height:0}
*{scrollbar-width:none;-ms-overflow-style:none}

@media(max-width:860px){
  .side{position:fixed;z-index:30;height:100vh;left:0;top:0}
  body:not(.collapsed) .side{box-shadow:0 0 60px rgba(0,0,0,.6)}
}