/* Abyss AI panel — design system per DESIGN.md: tonal layering, subtle
   boundaries, natural shadows, data-dense craft. No glow, no glass, no slop. */
:root{
  --bg:#0e0e11;
  --surface:#15151a;          /* card */
  --surface-2:#1a1a21;        /* elevated (modal, active) */
  --surface-3:#121216;        /* sunken (inputs, log view) */
  --hover:#1d1d25;
  --line:rgba(255,255,255,.065);
  --line-strong:rgba(255,255,255,.12);
  --text:#f2f2f5;
  --text-2:#a9a9b4;           /* secondary */
  --text-3:#6d6d78;           /* meta */
  --primary:#6e74e3;
  --primary-hover:#7d82e8;
  --primary-press:#5b60c9;
  --primary-soft:rgba(110,116,227,.12);
  --ok:#3fbf8f; --ok-soft:rgba(63,191,143,.1);
  --warn:#e0ae4a; --warn-soft:rgba(224,174,74,.1);
  --err:#e05f5f; --err-soft:rgba(224,95,95,.1);
  --info:#5b9bd5; --info-soft:rgba(91,155,213,.1);
  --radius:14px; --radius-sm:9px;
  --shadow-1:0 1px 2px rgba(0,0,0,.25);
  --shadow-2:0 2px 6px rgba(0,0,0,.28),0 12px 32px rgba(0,0,0,.32);
  color-scheme:dark;
}
*{box-sizing:border-box;margin:0;padding:0}
[hidden]{display:none !important}
html,body{height:100%}
body{background:var(--bg);color:var(--text);font:400 13.5px/1.55 'Onest',system-ui,sans-serif;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
.mono,code,pre{font-family:'Fira Code',ui-monospace,monospace}
a{color:var(--primary);text-decoration:none}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-thumb{background:#26262e;border-radius:8px;border:2px solid var(--bg)}
::-webkit-scrollbar-track{background:transparent}
::selection{background:rgba(110,116,227,.35)}
:focus-visible{outline:2px solid var(--primary);outline-offset:1px;border-radius:4px}

/* layout */
.sidebar{position:fixed;inset:0 auto 0 0;width:228px;background:var(--surface-3);border-right:1px solid var(--line);display:flex;flex-direction:column;padding:16px 10px;z-index:10}
.logo{display:flex;align-items:center;gap:10px;padding:4px 10px 16px;border-bottom:1px solid var(--line);margin-bottom:10px}
.logo-mark{width:28px;height:28px;border-radius:8px;background:linear-gradient(135deg,var(--primary),#8a6ee8);display:grid;place-items:center;font-weight:700;font-size:14px;color:#fff;box-shadow:0 2px 10px rgba(110,116,227,.35)}
.logo-text{font-size:15px;font-weight:600;letter-spacing:.2px}
.logo-text b{color:var(--primary)}
.nav{display:flex;flex-direction:column;gap:1px;flex:1;overflow:auto}
.nav-item{display:flex;align-items:center;gap:10px;padding:8px 11px;border-radius:var(--radius-sm);color:var(--text-2);cursor:pointer;border:1px solid transparent;font-size:13.5px;transition:background .12s,color .12s,border-color .12s;user-select:none;position:relative}
.nav-item svg{width:16px;height:16px;flex:none;opacity:.85}
.nav-item:hover{background:var(--hover);color:var(--text)}
.nav-item:active{background:var(--surface-2)}
.nav-item.active{background:var(--surface-2);color:var(--text);border-color:var(--line);box-shadow:var(--shadow-1)}
.nav-item.active::before{content:"";position:absolute;left:-10px;top:22%;bottom:22%;width:2.5px;border-radius:2px;background:var(--primary)}
.nav-badge{margin-left:auto;background:var(--err);color:#fff;font-size:10.5px;font-weight:600;min-width:17px;height:17px;border-radius:9px;display:grid;place-items:center;padding:0 5px}
.sidebar-foot{border-top:1px solid var(--line);padding-top:8px}
.content{margin-left:228px;padding:24px 28px 56px;min-height:100vh;max-width:1460px}
.page-title{font-size:19px;font-weight:600;letter-spacing:-.2px;margin-bottom:2px}
.page-sub{color:var(--text-2);font-size:12.5px;margin-bottom:20px}

/* cards & grids — tonal layers + restrained craft effects */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow-1);position:relative;overflow:hidden;transition:border-color .18s,box-shadow .18s}
.card::after{content:"";position:absolute;inset:0;border-radius:inherit;opacity:0;transition:opacity .3s;pointer-events:none;background:radial-gradient(150px circle at var(--glow-x,50%) var(--glow-y,0%),rgba(110,116,227,.07),transparent 75%)}
.card:hover{border-color:var(--line-strong);box-shadow:0 2px 6px rgba(0,0,0,.28),0 10px 28px rgba(0,0,0,.3)}
.card:hover::after{opacity:1}
.grid{display:grid;gap:12px}
.grid.stats{grid-template-columns:repeat(auto-fit,minmax(180px,1fr));margin-bottom:12px}
.grid.cols2{grid-template-columns:repeat(auto-fit,minmax(360px,1fr))}
.stat-label{color:var(--text-3);font-size:11px;text-transform:uppercase;letter-spacing:.7px;font-weight:500}
.stat-num{font-size:27px;font-weight:600;line-height:1.2;margin-top:5px;letter-spacing:-.3px}
.stat-num small{font-size:12px;color:var(--text-3);font-weight:400;margin-left:6px;letter-spacing:0}
.section-title{font-size:14px;font-weight:600;margin:20px 0 10px;letter-spacing:-.1px}

/* table — dense, scannable */
.tbl{width:100%;border-collapse:collapse;font-size:13px}
.tbl th{text-align:left;color:var(--text-3);font-size:10.5px;text-transform:uppercase;letter-spacing:.6px;font-weight:500;padding:7px 10px;border-bottom:1px solid var(--line-strong);white-space:nowrap}
.tbl td{padding:8px 10px;border-bottom:1px solid var(--line);vertical-align:middle}
.tbl tr:last-child td{border-bottom:none}
.tbl tbody tr{transition:background .1s}
.tbl tbody tr:hover{background:var(--hover)}
.tbl .num{font-family:'Fira Code',monospace;font-size:12px;color:var(--text-2)}

/* buttons — full state set */
.btn{display:inline-flex;align-items:center;gap:7px;padding:7px 13px;border-radius:var(--radius-sm);border:1px solid var(--line-strong);background:var(--surface-2);color:var(--text);font:500 12.5px 'Onest',sans-serif;cursor:pointer;transition:background .12s,border-color .12s,transform .05s;white-space:nowrap;box-shadow:var(--shadow-1)}
.btn:hover{background:var(--hover);border-color:rgba(255,255,255,.18)}
.btn:active{transform:translateY(1px)}
.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:0 2px 10px rgba(110,116,227,.28)}
.btn.primary:hover{background:var(--primary-hover);border-color:var(--primary-hover);box-shadow:0 4px 16px rgba(110,116,227,.4)}
.btn.primary:active{background:var(--primary-press)}
.btn.danger{background:transparent;border-color:rgba(224,95,95,.35);color:var(--err);box-shadow:none}
.btn.danger:hover{background:var(--err-soft)}
.btn.ghost{background:transparent;box-shadow:none}
.btn.sm{padding:4px 9px;font-size:11.5px;border-radius:7px}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none}
.btn svg{width:13px;height:13px}

/* forms */
.inp,.sel,textarea.inp{width:100%;padding:8px 11px;background:var(--surface-3);border:1px solid var(--line-strong);border-radius:var(--radius-sm);color:var(--text);font:400 13px 'Onest',sans-serif;outline:none;transition:border-color .12s,box-shadow .12s}
.inp:hover,.sel:hover{border-color:rgba(255,255,255,.2)}
.inp:focus,.sel:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft)}
.inp::placeholder{color:var(--text-3)}
.sel{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23a9a9b4' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 10px center;padding-right:32px}
.field{margin-bottom:12px}
.field label{display:block;font-size:11.5px;color:var(--text-2);margin-bottom:5px;font-weight:500}
.row{display:flex;gap:10px;align-items:center}
.row>.inp,.row>.sel{flex:1}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 12px}

/* switch */
.switch{position:relative;width:34px;height:19px;flex:none;cursor:pointer}
.switch input{opacity:0;width:0;height:0}
.switch .track{position:absolute;inset:0;background:#2b2b34;border-radius:20px;transition:background .15s}
.switch .track::before{content:"";position:absolute;width:13px;height:13px;left:3px;top:3px;background:#fff;border-radius:50%;transition:transform .15s;box-shadow:var(--shadow-1)}
.switch input:checked+.track{background:var(--primary)}
.switch input:checked+.track::before{transform:translateX(15px)}
.switch input:focus-visible+.track{outline:2px solid var(--primary);outline-offset:2px}

/* badges — real statuses only */
.badge{display:inline-flex;align-items:center;gap:5px;padding:2px 8px;border-radius:7px;font-size:11px;font-weight:500;border:1px solid transparent;white-space:nowrap}
.badge.ok{color:var(--ok);background:var(--ok-soft)}
.badge.warn{color:var(--warn);background:var(--warn-soft)}
.badge.err{color:var(--err);background:var(--err-soft)}
.badge.mut{color:var(--text-2);background:var(--surface-3);border-color:var(--line)}
.badge.info{color:var(--info);background:var(--info-soft)}
.badge.pri{color:var(--primary-hover);background:var(--primary-soft)}

/* modal */
.modal-overlay{position:fixed;inset:0;background:rgba(7,7,9,.55);display:grid;place-items:center;z-index:100;animation:fade .12s}
.modal{background:var(--surface-2);border:1px solid var(--line-strong);border-radius:var(--radius);padding:22px;width:min(560px,94vw);max-height:86vh;overflow:auto;box-shadow:var(--shadow-2)}
.modal.wide{width:min(880px,96vw)}
.modal h3{font-size:15px;margin-bottom:14px;display:flex;justify-content:space-between;align-items:center;letter-spacing:-.1px}
.modal h3 .x{cursor:pointer;color:var(--text-3);padding:4px 8px;border-radius:6px;font-size:13px}
.modal h3 .x:hover{color:var(--text);background:var(--hover)}
@keyframes fade{from{opacity:0}to{opacity:1}}

/* toast */
.toasts{position:fixed;right:18px;bottom:18px;display:flex;flex-direction:column;gap:8px;z-index:200}
.toast{background:var(--surface-2);border:1px solid var(--line-strong);border-left:3px solid var(--primary);padding:10px 15px;border-radius:9px;font-size:12.5px;box-shadow:var(--shadow-2);animation:slideup .15s;max-width:360px}
.toast.err{border-left-color:var(--err)}
.toast.ok{border-left-color:var(--ok)}
@keyframes slideup{from{transform:translateY(6px);opacity:0}to{transform:none;opacity:1}}

/* login — editorial, focused, faint ambient */
.login-wrap{min-height:100vh;display:grid;place-items:center;background:radial-gradient(900px 420px at 50% -8%,rgba(110,116,227,.09),transparent 70%),var(--bg)}
.login-card{width:330px;text-align:center;padding:32px 28px}
.login-card .logo-mark{width:40px;height:40px;font-size:18px;margin:0 auto 14px}
.login-card h1{font-size:19px;font-weight:600;letter-spacing:-.2px;margin-bottom:3px}
.login-card p{color:var(--text-2);font-size:12.5px;margin-bottom:20px}
.login-err{color:var(--err);font-size:12px;min-height:17px;margin-top:8px}

/* misc */
.muted{color:var(--text-2)}
.dim{color:var(--text-3)}
.flex{display:flex;align-items:center;gap:10px}
.spread{display:flex;align-items:center;justify-content:space-between;gap:10px}
.wrap{flex-wrap:wrap}
.mt{margin-top:12px}.mb{margin-bottom:12px}
.pre{background:var(--surface-3);border:1px solid var(--line);border-radius:var(--radius-sm);padding:11px;font-size:11.5px;overflow:auto;white-space:pre-wrap;word-break:break-word;max-height:400px;line-height:1.6}
.msg-details{margin:4px 0 8px}
.msg-details summary{cursor:pointer;color:var(--text-3);font-size:11.5px;user-select:none;display:inline-flex;align-items:center;gap:5px}
.msg-details summary:hover{color:var(--text-2)}
.msg-details[open] summary{margin-bottom:6px}
.msg-details .pre{margin:0;max-height:280px}
.log-view{background:var(--surface-3);border:1px solid var(--line);border-radius:var(--radius-sm);padding:12px 14px;font-size:11.5px;line-height:1.7;height:calc(100vh - 250px);overflow:auto;white-space:pre-wrap;word-break:break-all}
.log-view .l-warn{color:var(--warn)}
.log-view .l-err{color:var(--err)}
.subtabs{display:flex;gap:6px;margin-bottom:12px}
.subtab{padding:6px 13px;border-radius:8px;border:1px solid var(--line);color:var(--text-2);cursor:pointer;font-size:12.5px;transition:background .12s,color .12s}
.subtab:hover{background:var(--hover);color:var(--text)}
.subtab.active{background:var(--surface-2);color:var(--text);border-color:var(--line-strong)}
.empty{color:var(--text-3);text-align:center;padding:32px 0;font-size:12.5px}
.keybox{display:flex;gap:8px;align-items:center;background:var(--surface-3);border:1px solid var(--line-strong);border-radius:var(--radius-sm);padding:11px 13px;font-family:'Fira Code',monospace;font-size:12.5px}
.divider{height:1px;background:var(--line);margin:14px -18px}
.notif-item{padding:10px 12px;border-bottom:1px solid var(--line)}
.notif-item:last-child{border-bottom:none}
.notif-item.unread{background:var(--primary-soft)}
.msg{border:1px solid var(--line);border-radius:var(--radius-sm);padding:9px 11px;margin-bottom:8px;background:var(--surface-3)}
.msg .role{font-size:10.5px;color:var(--primary);text-transform:uppercase;letter-spacing:.6px;margin-bottom:4px;font-weight:600}
.msg .body{white-space:pre-wrap;word-break:break-word;font-size:12.5px;line-height:1.6}

/* phase-4 refactor: tab helpers & density */
.tab-host{display:block}
.state{padding:26px 18px;text-align:center;color:var(--text-3);font-size:12.5px}
.spinner{display:inline-block;width:14px;height:14px;border:2px solid var(--line-strong);border-top-color:var(--primary);border-radius:50%;animation:spin .7s linear infinite;margin-right:8px;vertical-align:-2px}
@keyframes spin{to{transform:rotate(360deg)}}
.mono-sm{font-size:12px}
.cell-sm{font-size:12px;line-height:1.5}
.dim-sm{font-size:11px}
.muted-sm{font-size:12px}
.c-err{color:var(--err)}
.c-warn{color:var(--warn)}
.c-ok{color:var(--ok)}
.td-actions{white-space:nowrap;text-align:right}
.td-actions .btn{margin-left:2px}
.td-narrow{width:1%;white-space:nowrap}
.form-actions{justify-content:space-between}
.form-actions-end{justify-content:flex-end}
.form-checks{gap:16px}
.grow{flex:1;min-width:0}
.g-sel{width:200px;flex:none}
.g-exp{width:130px;flex:none}
.fb-prio{width:90px;flex:none}
.ban-add-row{max-width:520px}
.ban-reason{max-width:280px}
.grant-row{flex-wrap:wrap}
.fb-row{flex-wrap:wrap}
.min-h{min-height:80px}
.readonly{background:var(--surface-3);opacity:.75;cursor:not-allowed}
.kv-num{max-width:140px}
.warn-txt{color:var(--err);font-size:12px}
.sort-hint{margin-left:auto;font-size:12px;color:var(--text-3);white-space:nowrap}
.msg-meta{font-size:11px;color:var(--text-3);margin-top:4px}
.notif-title{font-size:13px;font-weight:600}
.notif-ts{font-size:11px;color:var(--text-3);margin-top:2px}
.notif-body{font-size:12px;color:var(--text-2);white-space:pre-wrap;word-break:break-word;margin-top:4px;line-height:1.55}
.stat-total{font-size:12px}

/* liveness dots */
.dot{display:inline-block;width:8px;height:8px;border-radius:50%;flex:none;vertical-align:middle}
.dot-ok{background:var(--ok);box-shadow:0 0 0 3px var(--ok-soft)}
.dot-warn{background:var(--warn);box-shadow:0 0 0 3px var(--warn-soft)}
.dot-err{background:var(--err);box-shadow:0 0 0 3px var(--err-soft)}
.dot-mut{background:#3a3a44}
.as-btn{cursor:pointer;border:none;background:none;font:inherit}

/* chain builder — rectangular flow boxes */
.chain-flow{display:flex;align-items:center;gap:6px;overflow-x:auto;padding-bottom:4px}
.chain-box{border:1px solid var(--line-strong);border-radius:var(--radius-sm);background:var(--surface-2);padding:10px 12px;min-width:190px;max-width:250px;box-shadow:var(--shadow-1);transition:border-color .15s}
.chain-box:hover{border-color:var(--primary)}
.chain-box.head{border-color:rgba(110,116,227,.45);background:linear-gradient(180deg,var(--surface-2),var(--primary-soft))}
.chain-box-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:3px}
.chain-prio{font-family:'Fira Code',monospace;font-size:10.5px;color:var(--text-3)}
.chain-box-title{font-weight:600;font-size:13px;display:flex;align-items:center;gap:6px;margin-bottom:3px}
.chain-box-title svg{width:14px;height:14px;color:var(--primary)}
.chain-box-sub{font-size:11px;color:var(--text-2);margin-bottom:7px;word-break:break-all}
.chain-box-actions{display:flex;gap:6px}
.chain-arrow{color:var(--text-3);flex:none;display:flex}
.chain-arrow svg{width:16px;height:16px}
.chain-arrow.dashed{opacity:.5}
.chain-add{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;border:1.5px dashed var(--line-strong);border-radius:var(--radius-sm);background:transparent;color:var(--text-2);padding:18px 20px;cursor:pointer;font-size:12.5px;transition:border-color .15s,color .15s;white-space:nowrap}
.chain-add:hover{border-color:var(--primary);color:var(--text)}
.chain-add svg{width:16px;height:16px}

/* live chat */
.chat-controls .kv-num{max-width:110px}
.chat-card{display:flex;flex-direction:column}
.chat-scroll{height:min(52vh,520px);overflow-y:auto;background:var(--surface-3);border:1px solid var(--line);border-radius:var(--radius-sm);padding:14px;display:flex;flex-direction:column;gap:9px}
.bubble{max-width:86%;padding:9px 12px;border-radius:12px;font-size:12.8px;line-height:1.55;border:1px solid var(--line)}
.bubble-me{align-self:flex-end;background:var(--primary-soft);border-color:rgba(110,116,227,.35)}
.bubble-ai{align-self:flex-start;background:var(--surface-2)}
.bubble-text{white-space:pre-wrap;word-break:break-word}
.typing{color:var(--text-3);animation:pulse 1.1s ease-in-out infinite}
@keyframes pulse{50%{opacity:.35}}
.msg-details.reasoning{margin-bottom:7px}
.msg-details.reasoning summary{display:inline-flex;align-items:center;gap:5px;background:var(--surface-3);border:1px solid var(--line);border-radius:8px;padding:3px 10px;font-size:11px}
.msg-details.reasoning summary svg{width:12px;height:12px;color:var(--info)}
.preset{white-space:normal;text-align:left;max-width:100%}
.chat-input-row textarea{resize:vertical;min-height:44px}

/* history layout */
.hist-layout{display:grid;grid-template-columns:280px 1fr;gap:12px;align-items:start}
.hist-side{position:sticky;top:24px;max-height:calc(100vh - 48px);display:flex;flex-direction:column;padding:12px}
.hist-keys{overflow-y:auto;display:flex;flex-direction:column;gap:2px}
.hist-key{display:flex;flex-direction:column;gap:2px;align-items:flex-start;text-align:left;background:transparent;border:1px solid transparent;border-radius:var(--radius-sm);padding:8px 10px;cursor:pointer;color:var(--text);font:inherit;transition:background .12s,border-color .12s}
.hist-key:hover{background:var(--hover)}
.hist-key.active{background:var(--surface-2);border-color:var(--line-strong)}
.hk-name{font-weight:600;font-size:12.8px}
.hk-meta{font-size:11px;color:var(--text-3)}
.hk-badges{display:flex;gap:4px;flex-wrap:wrap;margin-top:2px}
.hist-head .g-exp{width:130px;flex:none}
.hist-q{max-width:220px}
.ip-chip{border:1px solid var(--line-strong);background:var(--surface-3);border-radius:14px;padding:3px 11px;font-family:'Fira Code',monospace;font-size:11px;color:var(--text-2);cursor:pointer;transition:all .12s}
.ip-chip:hover{color:var(--text);border-color:rgba(255,255,255,.2)}
.ip-chip.active{background:var(--primary-soft);color:var(--primary-hover);border-color:rgba(110,116,227,.5)}
.chat-scroll-h{height:calc(100vh - 320px);min-height:340px;display:block}
.turn{border:1px solid var(--line);border-radius:var(--radius-sm);padding:9px 12px;margin-bottom:8px;background:var(--surface-3);font-size:12.6px;line-height:1.55}
.turn.b-me{border-left:3px solid rgba(110,116,227,.55)}
.turn.b-ai{border-left:3px solid rgba(63,191,143,.5)}
.turn.b-meta{opacity:.85;border-style:dashed}
.turn.b-err{border-left:3px solid var(--err);color:var(--err)}
.turn.b-warn{border-left:3px solid var(--warn)}
.turn-head{display:flex;justify-content:space-between;gap:8px;align-items:baseline;margin-bottom:5px;font-size:12px}
.turn-head b{font-size:11px;text-transform:uppercase;letter-spacing:.5px}
.bubble-text{white-space:pre-wrap;word-break:break-word}
.turn-divider{display:flex;align-items:center;gap:10px;margin:14px 0 10px;color:var(--text-3);font-size:11px}
.turn-divider::before,.turn-divider::after{content:"";height:1px;background:var(--line);flex:1}
.model-stat-row{gap:12px}
.model-bar{height:6px;border-radius:4px;background:var(--primary-soft);position:relative;width:180px;flex:none}
.model-bar::after{content:"";position:absolute;inset:0;width:var(--w,0%);background:var(--primary);border-radius:inherit}
.stat-mini{padding:14px 16px}

/* responsive */
@media (max-width:900px){
  .sidebar{width:64px;padding:12px 8px}
  .sidebar .logo{padding:4px 8px 14px;justify-content:center}
  .sidebar .logo-text,.nav-item span{display:none}
  .nav-item{justify-content:center;padding:9px 0}
  .nav-badge{position:absolute;top:4px;right:4px}
  .content{margin-left:64px;padding:18px 14px 48px}
  .hist-layout{grid-template-columns:1fr}
  .hist-side{position:static;max-height:260px}
}
@media (max-width:640px){
  .grid.cols2{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .tbl{display:block;overflow-x:auto}
  .row{flex-wrap:wrap}
  .g-sel,.g-exp,.fb-prio{width:100%}
  .modal{padding:18px}
}