/* Danus UI — ChatGPT-style two-column layout, light/dark themes via variables */
:root{
  --bg:#ffffff; --panel:#f7f7f8; --panel2:#ffffff; --border:#e5e7eb;
  --text:#111827; --muted:#5b6470; --accent:#111827; --accent-text:#ffffff;
  --ok:#166534; --warn:#92400e; --bad:#b91c1c;
  --hover:#ececee; --active-bg:#e3e3e7; --bar:#3b82f6; --bar2:#8b5cf6;
  --avatar-bg:#dbeafe; --avatar-fg:#1d4ed8;
  --shadow:0 12px 40px rgba(0,0,0,.14); --track:#eef0f2;
  color-scheme: light;
}
[data-theme="dark"]{
  --bg:#212124; --panel:#17171a; --panel2:#2a2a2f; --border:#3a3a41;
  --text:#ececf1; --muted:#a7a7b3; --accent:#ececf1; --accent-text:#17171a;
  --ok:#4ade80; --warn:#fbbf24; --bad:#f87171;
  --hover:rgba(255,255,255,.07); --active-bg:rgba(255,255,255,.12); --bar:#60a5fa; --bar2:#a78bfa;
  --avatar-bg:#1e3a5f; --avatar-fg:#bfdbfe;
  --shadow:0 12px 40px rgba(0,0,0,.5); --track:#3a3a41;
  color-scheme: dark;
}
*{box-sizing:border-box} html,body{margin:0;height:100%}
body{font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;color:var(--text);background:var(--bg);font-size:15px;line-height:1.55}
button{font:inherit;cursor:pointer;color:inherit}
input,textarea,select{color:var(--text)}
.muted{color:var(--muted)} .small{font-size:12px}
:focus{outline:none}
:focus-visible{outline:2px solid var(--bar);outline-offset:2px;border-radius:6px}

/* ---------- App frame: two columns, explicit placement ---------- */
.app{display:grid;grid-template-columns:288px minmax(0,1fr);height:100dvh;overflow:hidden;background:var(--bg)}
.sidebar{grid-column:1;background:var(--panel);border-right:1px solid var(--border);padding:16px 12px;display:flex;flex-direction:column;gap:12px;overflow-y:auto;z-index:40;min-width:0}
.main{grid-column:2;display:flex;flex-direction:column;min-width:0;height:100dvh;background:var(--bg)}
.app.sidebar-collapsed{grid-template-columns:0 minmax(0,1fr)}
.app.sidebar-collapsed .sidebar{visibility:hidden;overflow:hidden;padding-left:0;padding-right:0;border-right:0}

/* ---------- Sidebar ---------- */
.brand{display:flex;align-items:center;gap:10px;min-width:0}
.brand-mark{width:36px;height:36px;border-radius:10px;background:var(--accent);color:var(--accent-text);display:grid;place-items:center;font-weight:800;flex:none}
.brand strong{display:block;line-height:1.1}
.brand span{display:block;color:var(--muted);font-size:12px;white-space:nowrap}
.sidebar .sidebar-close{display:none;margin-left:auto}
.new-btn{background:var(--accent);color:var(--accent-text);border:0;border-radius:12px;padding:11px 14px;text-align:left;font-weight:600;display:flex;align-items:center;gap:8px;white-space:nowrap}
.new-btn:hover{opacity:.88}
.search-box{display:flex;align-items:center;gap:7px;background:var(--panel2);border:1px solid var(--border);border-radius:10px;padding:7px 10px;color:var(--muted)}
.search-box input{border:0;background:transparent;outline:none;font:inherit;font-size:13px;width:100%;min-width:0}
.nav{display:grid;gap:2px}
.nav-item{display:flex;align-items:center;gap:8px;width:100%;text-align:left;background:transparent;border:0;padding:10px;border-radius:10px;color:var(--text);white-space:nowrap}
.nav-item:hover{background:var(--hover)} .nav-item.is-active{background:var(--active-bg)}
.nav-badge{margin-left:auto;font-size:11px;color:var(--ok);font-weight:600;white-space:nowrap}
.nav-badge.warn{color:var(--warn)} .nav-badge.off{color:var(--bad)}
.sessions-wrap{flex:1;min-height:60px;overflow-y:auto}
.sessions{list-style:none;margin:0;padding:0;display:grid;gap:2px}
.group-label{margin:10px 10px 4px;color:var(--muted);font-size:12px;font-weight:600;letter-spacing:.04em}
.group-label:first-child{margin-top:2px}
.session-row{position:relative;display:flex;align-items:center;border-radius:10px}
.session-row:hover{background:var(--hover)} .session-row.is-active{background:var(--panel2);box-shadow:inset 0 0 0 1px var(--border)}
.session{flex:1;min-width:0;text-align:left;background:transparent;border:0;padding:9px 10px;border-radius:10px}
.session strong{display:block;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-weight:500}
.session span{color:var(--muted);font-size:12px}
.sess-menu-btn{opacity:0;width:30px;height:30px;flex:none;margin-right:4px}
.session-row:hover .sess-menu-btn,.session-row:focus-within .sess-menu-btn{opacity:1}
.sessions-empty{padding:6px 10px}
.side-footer{margin-top:auto;display:grid;gap:8px}
.user-chip{display:flex;gap:10px;align-items:center;padding:8px;min-width:0}
.user-chip strong{display:block;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.user-chip span{display:block;color:var(--muted);font-size:12px}
.user-chip .avatar{width:34px;height:34px;border-radius:50%;background:var(--avatar-bg);display:grid;place-items:center;font-weight:700;color:var(--avatar-fg);font-size:14px;flex:none;line-height:1}
.side-actions{display:flex;gap:8px}
.collapse-btn{flex:1;background:transparent;border:1px solid var(--border);border-radius:10px;padding:8px;color:var(--muted);display:flex;align-items:center;justify-content:center;gap:7px;white-space:nowrap}
.collapse-btn:hover{background:var(--hover);color:var(--text)}
#logoutBtn:hover{color:var(--bad)}

/* ---------- Topbar ---------- */
.topbar{display:flex;align-items:center;gap:8px;padding:10px 16px;border-bottom:1px solid var(--border);flex:none}
.model-chip{font-size:12px;color:var(--muted);border:1px solid var(--border);border-radius:999px;padding:4px 10px;white-space:nowrap;background:var(--panel)}
.model-chip strong{color:var(--text)}
.topbar-title{margin-right:auto;min-width:0}
.topbar-title strong{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:15px}
.topbar-title span{color:var(--muted);font-size:12px}
.status-pill{display:inline-flex;gap:7px;align-items:center;border-radius:999px;padding:5px 10px;font-size:12px;font-weight:600;white-space:nowrap;border:1px solid color-mix(in srgb,var(--ok) 35%,transparent);background:color-mix(in srgb,var(--ok) 10%,transparent);color:var(--ok)}
.status-pill.warn{border-color:color-mix(in srgb,var(--warn) 35%,transparent);background:color-mix(in srgb,var(--warn) 10%,transparent);color:var(--warn)}
.status-pill.off{border-color:color-mix(in srgb,var(--bad) 35%,transparent);background:color-mix(in srgb,var(--bad) 10%,transparent);color:var(--bad)}
.menu-wrap{position:relative}
.menu{position:absolute;right:0;top:calc(100% + 6px);background:var(--panel2);border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow);padding:5px;min-width:150px;z-index:90;display:grid}
.menu button{background:transparent;border:0;text-align:left;padding:8px 10px;border-radius:8px;font-size:14px}
.menu button:hover{background:var(--hover)} .menu button.danger{color:var(--bad)}

/* ---------- Buttons ---------- */
.btn{border:1px solid var(--border);background:var(--panel2);color:var(--text);border-radius:10px;padding:8px 12px}
.btn:hover{background:var(--hover)}
.btn-ghost{background:transparent}
.btn-primary{background:var(--accent);color:var(--accent-text);border-color:var(--accent);display:inline-flex;align-items:center;justify-content:center;gap:7px}
.btn-primary:hover{opacity:.88;background:var(--accent)}
.btn-small{padding:5px 10px;font-size:13px}
.btn-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
.icon-btn{background:transparent;border:0;width:40px;height:40px;border-radius:9px;display:inline-grid;place-items:center;flex:none}
.icon-btn:hover{background:var(--hover)}
.link-btn{background:none;border:0;color:var(--bar);font-size:13px;padding:6px 4px}

/* ---------- Views ---------- */
.view{display:flex;flex-direction:column;flex:1;min-height:0}
.page-view{overflow-y:auto;display:block}
.page-inner{max-width:860px;margin:0 auto;padding:22px 20px 40px;display:grid;gap:14px;align-content:start}
.page-title{font-size:22px;margin:2px 0 4px}
.card{background:var(--panel2);border:1px solid var(--border);border-radius:16px;padding:16px}
.card-head{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}
.card-head h2{font-size:16px;margin:0;display:flex;align-items:center;gap:7px}
.stuck-banner{margin:12px 16px 0;border:1px solid color-mix(in srgb,var(--bad) 40%,transparent);background:color-mix(in srgb,var(--bad) 6%,var(--panel2))}
.stuck-banner h2{color:var(--bad)}
.progress-bar{height:8px;background:var(--track);border-radius:999px;overflow:hidden;margin:10px 0 12px}
.progress-bar span{display:block;height:100%;background:var(--accent);border-radius:999px;transition:width .5s ease}
.progress-bar.thin{height:6px}
.timeline{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.step{display:flex;gap:10px;align-items:flex-start}.step strong{display:block;font-size:14px}.step small{color:var(--muted)}
.step-dot{width:24px;height:24px;border-radius:50%;display:grid;place-items:center;font-size:12px;flex:none;background:var(--track);color:var(--muted)}
.step.done .step-dot{background:color-mix(in srgb,var(--ok) 18%,transparent);color:var(--ok)}
.step.active .step-dot{background:var(--accent);color:var(--accent-text)}
.step.pending{opacity:.65}

/* ---------- Chat ---------- */
.chat{flex:1;overflow-y:auto;padding:24px 20px;max-width:860px;width:100%;margin:0 auto;min-height:0}
.msg{margin-bottom:24px}
.msg .bubble{overflow-wrap:anywhere}
.msg.user{display:flex;justify-content:flex-end}
.msg.user .bubble{background:var(--panel);border:1px solid var(--border);border-radius:20px;padding:10px 16px;max-width:82%}
[data-theme="dark"] .msg.user .bubble{background:#2f2f36}
.msg.user p{margin:0;white-space:pre-wrap}
.msg.assistant .msg-head{display:flex;align-items:center;gap:8px;margin-bottom:4px}
.msg.assistant .who{width:24px;height:24px;border-radius:50%;display:grid;place-items:center;font-size:11px;font-weight:700;background:var(--accent);color:var(--accent-text);flex:none}
.msg.assistant .name{font-size:13px;font-weight:700}
.msg.assistant .bubble{padding-left:32px}
.msg.assistant p{margin:2px 0 8px;white-space:pre-wrap}
.msg.assistant ul{margin:4px 0;padding-left:20px}
.copy-btn{margin-left:auto;opacity:0;width:30px;height:30px}
.msg.assistant:hover .copy-btn,.copy-btn:focus-visible{opacity:1}
.empty-state{text-align:center;padding:9dvh 12px 20px;display:grid;gap:12px;justify-items:center}
.empty-state h2{font-size:24px;margin:0}
.empty-state p{color:var(--muted);margin:0;max-width:520px}
.example-cards{display:grid;gap:10px;width:min(560px,100%);margin-top:8px}
.example-card{text-align:left;background:var(--panel2);border:1px solid var(--border);border-radius:14px;padding:12px 14px}
.example-card:hover{background:var(--hover)}
.example-card strong{display:block;font-size:14px}
.example-card span{color:var(--muted);font-size:12px}

/* ---------- Quickbar + composer ---------- */
.quickbar{max-width:860px;width:calc(100% - 40px);margin:0 auto 8px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.quickbar-label{display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:700;color:var(--muted)}
.qchip{border:1px solid var(--border);background:var(--panel2);color:var(--text);border-radius:999px;padding:6px 12px;font-size:12.5px;white-space:nowrap}
.qchip:hover{background:var(--hover)}
.quickbar-hint{font-size:12px;color:var(--muted)}
.composer{max-width:860px;width:calc(100% - 40px);margin:0 auto 10px;border:1px solid var(--border);border-radius:26px;padding:8px 8px 2px 16px;box-shadow:0 4px 20px rgba(0,0,0,.05);display:flex;flex-wrap:wrap;align-items:flex-end;background:var(--panel2);flex:none}
.composer textarea{flex:1;border:0;resize:none;outline:none;font:inherit;padding:9px 4px;min-height:24px;max-height:140px;background:transparent;min-width:120px}
.send-btn{width:38px;height:38px;border-radius:50%;border:0;background:var(--accent);color:var(--accent-text);display:grid;place-items:center;flex:none}
.send-btn:hover{opacity:.88}
.composer-hint{width:100%;text-align:center;color:var(--muted);font-size:11px;margin:5px 0 3px}

/* ---------- Stats drawer ---------- */
.stats{position:fixed;top:0;right:0;bottom:0;width:min(360px,94vw);background:var(--panel2);border-left:1px solid var(--border);box-shadow:var(--shadow);padding:16px;overflow-y:auto;display:flex;flex-direction:column;gap:14px;z-index:70;transform:translateX(106%);transition:transform .25s ease,visibility 0s linear .25s;visibility:hidden}
.stats.open{transform:none;visibility:visible;transition:transform .25s ease}
.stats-head{display:flex;align-items:center;justify-content:space-between}
.stats-head h2{font-size:16px;margin:0}
.proj-name{font-size:17px;font-weight:700;display:block}
.token-total strong{font-size:28px;display:block;line-height:1.1;font-variant-numeric:tabular-nums}
.token-total span{color:var(--muted);font-size:12px}
.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:12px 0}
.stat-grid strong{display:block;font-size:20px;font-variant-numeric:tabular-nums}
.stat-grid span{color:var(--muted);font-size:12px}
.stat-grid .ok strong{color:var(--ok)} .stat-grid .bad strong{color:var(--bad)}
.bar-row{display:grid;grid-template-columns:52px 1fr 56px;gap:8px;align-items:center;margin-top:10px;font-size:13px}
.bar{height:8px;background:var(--track);border-radius:999px;overflow:hidden}
.bar i{display:block;height:100%;background:var(--bar);transition:width .5s ease}
.bar-out i{background:var(--bar2)}
.mini-chart{display:flex;gap:6px;align-items:flex-end;height:56px;margin-top:14px}
.mini-chart i{flex:1;background:color-mix(in srgb,var(--bar) 30%,transparent);border-radius:6px 6px 2px 2px}
.dot{width:9px;height:9px;border-radius:50%;display:inline-block;flex:none}
.dot-online{background:var(--ok)} .dot-degraded{background:var(--warn)} .dot-offline{background:#9ca3af}
.providers-mini{list-style:none;margin:10px 0 0;padding:0;display:grid;gap:12px}
.providers-mini li{display:flex;gap:9px;align-items:center}
.providers-mini strong{display:block;font-size:13px}
.providers-mini small{color:var(--muted);display:block;font-size:12px}
.providers-mini em{margin-left:auto;font-style:normal;font-size:12px;font-weight:600;color:var(--muted);white-space:nowrap}
.providers-mini em.ok{color:var(--ok)} .providers-mini em.warn{color:var(--warn)} .providers-mini em.off{color:var(--bad)}
.usage-providers .bar-row{grid-template-columns:88px 1fr 62px}
.usage-providers .bar-row>span:first-child{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* ---------- Settings ---------- */
.seg{display:inline-flex;background:var(--panel);border:1px solid var(--border);border-radius:11px;padding:4px;gap:2px;margin:6px 0 8px}
.seg button{border:0;background:transparent;padding:7px 14px;border-radius:8px;color:var(--muted);font-weight:600}
.seg button.is-active{background:var(--panel2);color:var(--text);box-shadow:0 1px 4px rgba(0,0,0,.12)}
.rules-list{margin:8px 0 0;padding-left:18px;display:grid;gap:8px;font-size:14px}
.rules-list code,.sys-list code{background:var(--panel);border:1px solid var(--border);padding:1px 6px;border-radius:6px;font-size:12.5px;overflow-wrap:anywhere}
.sys-list{list-style:none;margin:6px 0 0;padding:0;display:grid;gap:9px;font-size:14px}
.sys-list li{display:flex;justify-content:space-between;gap:12px}
.sys-list li span{color:var(--muted)}

/* ---------- Chips / scrim ---------- */
.chip{font-size:11px;font-weight:700;border-radius:999px;padding:4px 8px;white-space:nowrap}
.chip.ok{background:color-mix(in srgb,var(--ok) 13%,transparent);color:var(--ok)}
.chip.warn{background:color-mix(in srgb,var(--warn) 15%,transparent);color:var(--warn)}
.chip.off{background:var(--panel);color:var(--muted)}
.chip.bad{background:color-mix(in srgb,var(--bad) 12%,transparent);color:var(--bad)}
.scrim{position:fixed;inset:0;background:rgba(0,0,0,.35);z-index:30}

/* ---------- Modal ---------- */
.modal-backdrop{position:fixed;inset:0;background:rgba(10,10,14,.48);display:grid;place-items:center;padding:16px;z-index:80}
.modal{background:var(--panel2);color:var(--text);border:1px solid var(--border);border-radius:20px;box-shadow:var(--shadow);max-width:680px;width:100%;max-height:88dvh;overflow-y:auto;padding:0 20px 20px;animation:fadeSlide .18s ease}
@keyframes fadeSlide{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.modal-head{position:sticky;top:0;background:var(--panel2);padding:16px 0 10px;z-index:2}
.modal-foot{position:sticky;bottom:-20px;background:var(--panel2);padding:12px 0 2px;margin-top:14px}
.provider-list{list-style:none;margin:14px 0;padding:0;display:grid;gap:10px}
.provider-list li{display:flex;gap:12px;align-items:center;border:1px solid var(--border);border-radius:14px;padding:12px}
.provider-list strong{display:block}.provider-list small{display:block;color:var(--muted)}
.provider-list code{display:inline-block;margin-top:4px;background:var(--panel);padding:2px 7px;border-radius:6px;font-size:12px;overflow-wrap:anywhere}
.provider-list .btn{margin-left:auto}
.provider-list .chip{flex:none}
.prov-actions{display:inline-flex;gap:8px;margin-left:auto}
.prov-actions .btn{white-space:nowrap;margin-left:0}

/* ---------- Icons ---------- */
.ic{width:19px;height:19px;flex:none;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;vertical-align:-4px}
.ic-sm{width:14px;height:14px;stroke-width:2.2}
.brand-ic{width:21px;height:21px;color:var(--accent-text);vertical-align:0}
.nav-item .ic{color:var(--muted)} .nav-item.is-active .ic,.nav-item:hover .ic{color:var(--text)}
.new-btn .ic{color:var(--accent-text)}
.step-dot .ic{vertical-align:0}
.send-btn .ic{vertical-align:0}
.icon-btn .ic{vertical-align:0}

/* ---------- Auth ---------- */
.auth-wrap{min-height:100dvh;display:grid;place-items:center;background:var(--panel);padding:20px}
.auth-card{background:var(--panel2);border:1px solid var(--border);border-radius:20px;box-shadow:var(--shadow);padding:26px;width:min(400px,100%);display:grid;gap:13px}
.auth-tabs{display:grid;grid-template-columns:1fr 1fr;background:var(--panel);border-radius:11px;padding:4px}
.auth-tab{border:0;background:transparent;padding:8px;border-radius:8px;color:var(--muted);font-weight:600}
.auth-tab.is-active{background:var(--panel2);color:var(--text);box-shadow:0 1px 4px rgba(0,0,0,.1)}
.auth-card label{display:grid;gap:6px;font-size:13px;font-weight:600}
.auth-card input{border:1px solid var(--border);border-radius:11px;padding:11px 12px;font:inherit;font-weight:400;outline:none;background:var(--bg)}
.auth-card input:focus{border-color:var(--accent)}
.auth-error{color:var(--bad);font-size:13px;margin:0;min-height:18px}
.auth-submit{width:100%;padding:11px;font-size:15px}
.pw-card{display:grid;gap:12px;max-width:440px;padding-top:20px}
.pw-card label{display:grid;gap:6px;font-size:13px;font-weight:600}
.pw-card input{border:1px solid var(--border);border-radius:11px;padding:10px 12px;font:inherit;font-weight:400;outline:none;background:var(--bg)}
.pw-card input:focus{border-color:var(--accent)}
.admin-list li{flex-wrap:wrap}
.admin-list input{border:1px solid var(--border);border-radius:9px;padding:7px 9px;font:inherit;font-size:13px;min-width:170px;background:var(--bg)}

/* ---------- Providers form ---------- */
.prov-h{font-size:13px;margin:16px 0 4px;color:var(--text)}
.prov-h:first-of-type{margin-top:6px}
.prov-form{display:grid;gap:11px;margin-top:18px;border-top:1px solid var(--border);padding-top:6px}
.prov-form label{display:grid;gap:6px;font-size:13px;font-weight:600}
.prov-form input[type="text"],.prov-form input:not([type]),.prov-form input[type="password"]{border:1px solid var(--border);border-radius:11px;padding:10px 12px;font:inherit;font-weight:400;outline:none;background:var(--bg)}
.prov-form input:focus{border-color:var(--accent)}
.prov-groups{border:1px solid var(--border);border-radius:11px;padding:10px 12px;display:flex;flex-wrap:wrap;gap:8px 16px;align-items:center;margin:0}
.prov-groups legend{font-size:13px;font-weight:600;padding:0 4px}
.prov-groups label{display:inline-flex;gap:6px;align-items:center;font-size:13px;font-weight:500}
.prov-groups input[type="checkbox"]{width:16px;height:16px}
.prov-groups>input{border:1px solid var(--border);border-radius:9px;padding:7px 9px;font:inherit;font-size:13px;min-width:150px;background:var(--bg)}
#snippetBox{display:grid;gap:8px}
#snippetText{width:100%;border:1px solid var(--border);border-radius:11px;padding:10px 12px;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:12px;background:var(--panel);resize:vertical}

/* ---------- Responsive ---------- */
@media (max-width:1100px){ .app{grid-template-columns:260px minmax(0,1fr)} .app.sidebar-collapsed{grid-template-columns:0 minmax(0,1fr)} }
@media (max-width:720px){
  .app{grid-template-columns:minmax(0,1fr)}
  .sidebar{position:fixed;left:0;top:0;bottom:0;width:min(300px,88vw);transform:translateX(-105%);transition:transform .22s ease;box-shadow:var(--shadow);visibility:visible}
  .sidebar.open{transform:none}
  .app.sidebar-collapsed .sidebar{visibility:visible}
  .sidebar .sidebar-close{display:inline-grid}
  .status-pill{display:none}
  .model-chip{display:none}
  #topProviders{display:none}
  .topbar{padding:8px 10px}
  .chat{padding:16px 12px}
  .composer,.quickbar{width:calc(100% - 20px)}
  .quickbar-hint{display:none}
  .page-inner{padding:16px 12px 32px}
  .stuck-banner{margin:10px 10px 0}
  .provider-list li{flex-wrap:wrap}
  .msg.user .bubble{max-width:92%}
}

/* Critical: [hidden] must always win over display rules above. */
[hidden]{display:none !important}