/* ============================================================
   Portal Platform — warm-paper theme (precedent: infra/landing/me.html, §3.7)
   Shared by index.html (dashboard), docs.html and models.html.
   ============================================================ */
@font-face{font-family:'HafferSQ';src:url('/fonts/HafferSQXHTRIAL-Light.otf?v=2') format('opentype');font-weight:300;font-display:swap}
@font-face{font-family:'HafferSQ';src:url('/fonts/HafferSQXHTRIAL-Regular.otf?v=2') format('opentype');font-weight:400;font-display:swap}
@font-face{font-family:'HafferSQ';src:url('/fonts/HafferSQXHTRIAL-Medium.otf?v=2') format('opentype');font-weight:500;font-display:swap}

:root{
  --bg:#f4f2ef; --bg-warm:#f2ece4; --ink:#1a1a1a;
  --ink-85:rgba(20,20,20,.85); --ink-75:rgba(20,20,20,.75); --ink-55:rgba(20,20,20,.55);
  --ink-45:rgba(20,20,20,.45); --ink-35:rgba(20,20,20,.35); --ink-25:rgba(20,20,20,.25);
  --success:#34C759; --success-bar:linear-gradient(90deg,#2a7d4f,#3cb371);
  --danger:#b43232; --warn:#c8861f;
  --surface:#fff; --glass:rgba(255,255,255,.55);
  --border:rgba(0,0,0,.06); --border-15:rgba(20,20,20,.12);
  --radius-card:16px; --radius-pill:999px;
  --font:'HafferSQ','Inter',-apple-system,BlinkMacSystemFont,sans-serif;
  --mono:'SF Mono',ui-monospace,Menlo,monospace;
}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{background:var(--bg-warm)}
body{font-family:var(--font);background:transparent;color:#2a2a2a;line-height:1.7;-webkit-font-smoothing:antialiased;min-height:100vh}
a{color:inherit}

#bg-gradient{position:fixed;inset:0;background:linear-gradient(168deg,#f7f3ee 0%,#efe9e0 40%,#f2ece4 100%);z-index:0}
.z{position:relative;z-index:2}

/* ---- header / nav ---- */
.sticky-header{position:sticky;top:0;z-index:100;background:rgba(247,243,238,0.86);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--border)}
nav{display:flex;align-items:center;gap:clamp(16px,3vw,32px);max-width:1200px;margin:0 auto;padding:18px clamp(20px,5vw,56px);line-height:1.2}
.nav-brand{font-size:1.1rem;font-weight:400;color:var(--ink);text-decoration:none;letter-spacing:-0.01em;white-space:nowrap;display:inline-flex;align-items:center;gap:8px}
.nav-brand .mark{font-size:1.15rem}
.brand-sub{font-size:0.72rem;font-weight:500;letter-spacing:0.08em;text-transform:uppercase;color:var(--ink-45);border:1px solid var(--border);border-radius:var(--radius-pill);padding:3px 9px;background:rgba(255,255,255,0.5)}
.nav-links{display:flex;gap:clamp(14px,2.2vw,26px);align-items:center;margin-left:6px}
.nav-links a{font-size:0.85rem;font-weight:300;color:#999;text-decoration:none;transition:color .15s;white-space:nowrap}
.nav-links a:hover{color:var(--ink)}
.nav-links a.active{color:var(--ink);font-weight:400}
.nav-auth{display:flex;align-items:center;gap:10px;margin-left:auto}
.user-chip{display:inline-flex;align-items:center;gap:8px;font-size:0.82rem;font-weight:400;color:var(--ink);background:#fff;border:1px solid var(--border);border-radius:var(--radius-pill);padding:6px 8px 6px 12px;white-space:nowrap}
.user-chip img,.user-chip .avatar{width:24px;height:24px;border-radius:50%;object-fit:cover;background:rgba(20,20,20,0.08);display:inline-flex;align-items:center;justify-content:center;font-size:0.72rem;color:var(--ink-55)}
.nav-signout{font-size:0.82rem;font-weight:400;color:#999;text-decoration:none;cursor:pointer;white-space:nowrap;transition:color .15s}
.nav-signout:hover{color:var(--ink)}
@media(max-width:680px){.nav-links{display:none}.brand-sub{display:none}}

.page{max-width:980px;margin:0 auto;padding:28px clamp(18px,5vw,40px) 120px}

/* ---- app header ---- */
.app-header{display:flex;justify-content:space-between;align-items:baseline;gap:16px;flex-wrap:wrap;margin-bottom:6px}
.app-header h1{font-size:clamp(1.8rem,4vw,2.4rem);font-weight:300;letter-spacing:-0.02em}
.app-header .sub{font-size:0.84rem;color:var(--ink-45);font-weight:300}

/* ---- tab cluster ---- */
.tab-cluster{margin:22px 0 30px;background:var(--glass);backdrop-filter:blur(20px) saturate(180%);-webkit-backdrop-filter:blur(20px) saturate(180%);border:1px solid rgba(255,255,255,0.6);border-radius:18px;box-shadow:0 1px 2px rgba(0,0,0,0.02),0 6px 18px -14px rgba(0,0,0,0.05);overflow:hidden}
.tab-bar{display:flex;gap:4px;padding:5px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.tab-bar::-webkit-scrollbar{display:none}
.tab-button{flex:1;min-width:max-content;padding:9px 18px;border:none;border-radius:10px;background:transparent;font-family:inherit;font-size:0.84rem;font-weight:400;color:var(--ink-55);cursor:pointer;transition:color 0.18s ease,background 0.22s cubic-bezier(0.32,0.72,0.24,1);white-space:nowrap;letter-spacing:-0.005em}
.tab-button:hover{color:var(--ink-85)}
.tab-button.active{background:rgba(20,20,20,0.88);color:#fff;font-weight:500}
.tab-button.active:hover{color:#fff}
.tab-tagline{text-align:center;font-size:0.86rem;font-weight:300;color:var(--ink-55);letter-spacing:-0.005em;line-height:1.55;padding:12px clamp(20px,5vw,80px) 14px;margin:0;min-height:2.6em;transition:opacity 0.16s ease-out;border-top:1px solid rgba(20,20,20,0.05)}
.tab-tagline.is-fading{opacity:0}
@media(max-width:560px){.tab-button{font-size:0.8rem;padding:8px 14px}.tab-tagline{font-size:0.82rem;padding:10px 16px 12px;min-height:3em}}

[data-tab]:not(.tab-active){display:none}
[data-tab].tab-active{animation:tabFlowIn 0.16s ease-out}
@keyframes tabFlowIn{from{opacity:0}to{opacity:1}}

/* ---- grid + cards ---- */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px}
.grid.two{grid-template-columns:1fr 1fr}
.grid.full{grid-template-columns:1fr}
@media(max-width:640px){.grid,.grid.two{grid-template-columns:1fr}}
.card{background:var(--glass);border-radius:var(--radius-card);padding:24px;backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border:1px solid rgba(255,255,255,0.6)}
.card.solid{background:rgba(255,255,255,0.7)}
.card.wide{grid-column:1/-1}
.card-label{font-size:0.72rem;text-transform:uppercase;letter-spacing:0.1em;color:var(--ink-35);font-weight:500;margin-bottom:10px}
.card-value{font-size:1.7rem;font-weight:300;color:var(--ink-85);letter-spacing:-0.02em;font-variant-numeric:tabular-nums}
.card-value .unit{font-size:0.86rem;color:var(--ink-45);font-weight:400;margin-left:2px}
.card-sub{font-size:0.82rem;color:var(--ink-45);margin-top:6px;font-weight:300}
.card-sub.pos{color:rgba(40,130,70,0.85)}
.card-sub.neg{color:rgba(180,50,50,0.8)}

.qbar{height:6px;border-radius:3px;background:rgba(20,20,20,0.06);margin-top:14px;overflow:hidden}
.qbar-fill{height:100%;border-radius:3px;background:var(--success-bar);transition:width 0.6s ease}
.qbar-fill.warn{background:linear-gradient(90deg,#c8861f,#e0a83c)}
.qbar-fill.danger{background:linear-gradient(90deg,#a33,#c55)}

.section-title{font-size:0.8rem;text-transform:uppercase;letter-spacing:0.1em;color:var(--ink-35);font-weight:500;margin:40px 0 16px;padding-left:2px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.section-title:first-of-type{margin-top:0}

/* ---- buttons ---- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 20px;border:none;border-radius:11px;font-family:inherit;font-size:0.85rem;font-weight:500;cursor:pointer;transition:all 0.18s;text-align:center;text-decoration:none;white-space:nowrap}
.btn.block{display:flex;width:100%}
.btn-primary{background:rgba(20,20,20,0.88);color:#fff}.btn-primary:hover{background:#111}
.btn-secondary{background:rgba(20,20,20,0.04);color:var(--ink-55);border:1px solid var(--border)}.btn-secondary:hover{background:rgba(20,20,20,0.08)}
.btn-danger{background:rgba(180,50,50,0.06);color:rgba(170,40,40,0.7);border:1px solid rgba(180,50,50,0.1)}.btn-danger:hover{background:rgba(180,50,50,0.12)}
.btn-sm{padding:8px 14px;font-size:0.8rem;border-radius:9px}
.btn:disabled{opacity:0.4;cursor:not-allowed}

.status-msg{font-size:0.84rem;color:var(--ink-45);padding:10px 0}
.status-msg.error{color:rgba(170,40,40,0.85)}
.status-msg.success{color:rgba(40,130,70,0.9)}

/* ---- inputs ---- */
.input{width:100%;box-sizing:border-box;padding:12px 14px;border:1px solid var(--border-15);border-radius:10px;font-size:0.9rem;font-family:inherit;background:rgba(255,255,255,0.7);color:var(--ink-85);outline:none;transition:border-color 0.15s}
.input:focus{border-color:rgba(20,20,20,0.3)}
.input.mono{font-family:var(--mono);letter-spacing:0.03em}
.field-label{font-size:0.72rem;text-transform:uppercase;letter-spacing:0.08em;color:var(--ink-35);font-weight:500;margin-bottom:8px}

/* ---- toggle ---- */
.toggle{position:relative;width:42px;height:24px;border-radius:999px;background:rgba(20,20,20,0.14);cursor:pointer;transition:background 0.2s;flex-shrink:0;border:none}
.toggle .knob{position:absolute;top:3px;left:3px;width:18px;height:18px;border-radius:50%;background:#fff;box-shadow:0 1px 3px rgba(0,0,0,0.2);transition:transform 0.2s}
.toggle.on{background:#3cb371}
.toggle.on .knob{transform:translateX(18px)}

/* ---- code block ---- */
.code{position:relative;background:#1c1b19;border-radius:14px;padding:18px 20px;overflow-x:auto;border:1px solid rgba(255,255,255,0.06)}
.code pre{font-family:var(--mono);font-size:0.8rem;line-height:1.7;color:#e8e3d8;white-space:pre;margin:0}
.code .tok-cmd{color:#9ad29a}.code .tok-flag{color:#d9b07a}.code .tok-str{color:#e4c07a}.code .tok-key{color:#7fb4e0}
.code .copy{position:absolute;top:12px;right:12px;background:rgba(255,255,255,0.08);color:#cfc9bd;border:none;border-radius:8px;padding:6px 12px;font-size:0.74rem;font-family:inherit;cursor:pointer;transition:background 0.15s}
.code .copy:hover{background:rgba(255,255,255,0.16)}

/* ---- status pills ---- */
.pill{display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:999px;font-size:0.74rem;font-weight:500;letter-spacing:0.01em;white-space:nowrap}
.pill::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.pill.success{color:#2a7d4f;background:rgba(52,199,89,0.12)}
.pill.failed,.pill.error{color:#b43232;background:rgba(180,50,50,0.1)}
.pill.timeout,.pill.in_progress{color:#c8861f;background:rgba(200,134,31,0.12)}
.pill.content_filter{color:#7a5bb0;background:rgba(122,91,176,0.12)}
.pill.neutral{color:var(--ink-55);background:rgba(20,20,20,0.06)}
.pill.neutral::before{display:none}

/* ---- table (logs) ---- */
.tbl-wrap{overflow-x:auto;border-radius:14px;border:1px solid var(--border);background:rgba(255,255,255,0.5)}
table.tbl{width:100%;border-collapse:collapse;font-size:0.84rem;min-width:680px}
table.tbl th{text-align:left;font-size:0.68rem;text-transform:uppercase;letter-spacing:0.08em;color:var(--ink-35);font-weight:500;padding:13px 16px;border-bottom:1px solid var(--border);white-space:nowrap}
table.tbl td{padding:13px 16px;border-bottom:1px solid rgba(20,20,20,0.04);color:var(--ink-75);white-space:nowrap;font-variant-numeric:tabular-nums}
table.tbl tr:last-child td{border-bottom:none}
table.tbl tbody tr{cursor:pointer;transition:background 0.12s}
table.tbl tbody tr:hover{background:rgba(20,20,20,0.025)}
.t-mono{font-family:var(--mono);font-size:0.78rem;color:var(--ink-55)}
.t-dim{color:var(--ink-35)}
.filter-row{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:16px}
.select{padding:9px 32px 9px 12px;border:1px solid var(--border-15);border-radius:9px;font-size:0.82rem;font-family:inherit;background:rgba(255,255,255,0.7) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%23999' fill='none' stroke-width='1.4'/%3E%3C/svg%3E") no-repeat right 12px center;color:var(--ink-75);outline:none;cursor:pointer;-webkit-appearance:none;appearance:none}

/* ---- charts ---- */
.chart-card{background:var(--glass);border-radius:var(--radius-card);padding:24px;border:1px solid rgba(255,255,255,0.6)}
.chart-head{display:flex;justify-content:space-between;align-items:baseline;gap:12px;flex-wrap:wrap;margin-bottom:18px}
.chart-title{font-size:0.95rem;font-weight:400;color:var(--ink-85)}
.chart-total{font-size:0.82rem;color:var(--ink-45)}
.chart svg{display:block;width:100%;overflow:visible}
.axis-label{font-size:10px;fill:var(--ink-35);font-family:var(--font)}
.bar{transition:opacity 0.15s}
.bar:hover{opacity:0.78}
.chart-legend{display:flex;gap:16px;flex-wrap:wrap;margin-top:14px;font-size:0.78rem;color:var(--ink-55)}
.chart-legend .lg{display:flex;align-items:center;gap:6px}
.chart-legend .sw{width:11px;height:11px;border-radius:3px}
.range-tabs{display:inline-flex;gap:3px;background:rgba(20,20,20,0.05);border-radius:9px;padding:3px}
.range-tabs button{border:none;background:transparent;font-family:inherit;font-size:0.78rem;color:var(--ink-55);padding:6px 12px;border-radius:7px;cursor:pointer;transition:all 0.15s}
.range-tabs button.active{background:#fff;color:var(--ink-85);box-shadow:0 1px 2px rgba(0,0,0,0.06)}

/* ---- keys ---- */
.key-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 18px;border-bottom:1px solid rgba(20,20,20,0.05);flex-wrap:wrap}
.key-row:last-child{border-bottom:none}
.key-name{font-size:0.92rem;font-weight:400;color:var(--ink-85)}
.key-meta{font-size:0.78rem;color:var(--ink-45);margin-top:3px;display:flex;gap:12px;flex-wrap:wrap}
.key-secret{font-family:var(--mono);font-size:0.82rem;color:var(--ink-55)}

/* ---- plans ---- */
.plan-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.plan{position:relative;background:rgba(255,255,255,0.6);border:1px solid var(--border);border-radius:16px;padding:24px;display:flex;flex-direction:column;transition:border-color 0.18s,box-shadow 0.18s,transform 0.18s}
.plan:hover{border-color:rgba(20,20,20,0.14);box-shadow:0 8px 26px -18px rgba(0,0,0,0.18);transform:translateY(-2px)}
.plan.current{border-color:rgba(42,125,79,0.45);box-shadow:0 0 0 1px rgba(42,125,79,0.25)}
.plan.featured{border-color:rgba(20,20,20,0.2)}
.plan-badge{position:absolute;top:-10px;left:50%;transform:translateX(-50%);font-size:0.66rem;text-transform:uppercase;letter-spacing:0.08em;font-weight:500;padding:4px 12px;border-radius:999px;background:rgba(20,20,20,0.88);color:#fff}
.plan-badge.current{background:rgba(42,125,79,0.9)}
.plan-name{font-size:1.05rem;font-weight:500;color:var(--ink-85)}
.plan-price{font-size:2rem;font-weight:300;color:var(--ink-85);margin:10px 0 2px;letter-spacing:-0.02em}
.plan-price .per{font-size:0.85rem;color:var(--ink-45);font-weight:400}
.plan-incl{font-size:0.84rem;color:rgba(42,125,79,0.9);font-weight:400;margin-bottom:16px}
.plan-feats{list-style:none;margin:0 0 22px;flex:1}
.plan-feats li{font-size:0.84rem;color:var(--ink-55);padding:6px 0 6px 22px;position:relative;line-height:1.5}
.plan-feats li::before{content:"\2713";position:absolute;left:0;color:rgba(42,125,79,0.8);font-weight:600}

/* ---- referral ---- */
.refcode-display{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.refcode-value-wrap{display:flex;flex-direction:column;gap:7px;min-width:0}
.refcode-value-big{font-family:var(--mono);font-size:1.9rem;font-weight:600;letter-spacing:0.08em;color:rgba(20,20,20,0.9);line-height:1.05}
.refcode-link{font-size:0.78rem;color:var(--ink-25);font-weight:300;word-break:break-all}
.refcode-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.refcode-editlink{background:none;border:none;font-family:inherit;font-size:0.82rem;color:var(--ink-45);cursor:pointer;text-decoration:underline;text-underline-offset:3px;padding:4px 2px;transition:color 0.2s}
.refcode-editlink:hover{color:var(--ink-75)}
.earn-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px}
@media(max-width:640px){.earn-grid{grid-template-columns:1fr}}
.earn-cell{background:rgba(20,20,20,0.025);border:1px solid rgba(20,20,20,0.05);border-radius:12px;padding:18px 20px}
.earn-label{font-size:0.7rem;text-transform:uppercase;letter-spacing:0.08em;color:var(--ink-35);font-weight:500;margin-bottom:6px}
.earn-value{font-size:clamp(1.5rem,3.5vw,2rem);font-weight:600;color:var(--ink-85);letter-spacing:-0.02em;font-variant-numeric:tabular-nums}
.earn-sub{font-size:0.78rem;color:var(--ink-35);font-weight:300;margin-top:4px;min-height:1em}
.tree-top{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;flex-wrap:wrap;margin-bottom:16px}
.tree-copy{font-size:0.86rem;color:var(--ink-45);max-width:520px}
.tree-stats{display:flex;gap:10px;flex-wrap:wrap}
.tree-pill{padding:7px 12px;border-radius:999px;background:rgba(20,20,20,0.05);font-size:0.78rem;color:var(--ink-55);white-space:nowrap}
.tree-pill strong{color:var(--ink-85);font-weight:600}
.tree-legend{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:12px;font-size:0.78rem;color:var(--ink-45)}
.tree-legend-item{display:flex;align-items:center;gap:6px}
.tree-legend-dot{width:10px;height:10px;border-radius:50%}
.tree-stage{position:relative;height:440px;border-radius:18px;background:radial-gradient(circle at top,rgba(255,255,255,0.92),rgba(245,239,230,0.96) 52%,rgba(236,228,216,0.98) 100%);border:1px solid rgba(70,54,34,0.08);overflow:hidden}
.tree-stage svg{width:100%;height:100%;display:block}
.tree-state{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;padding:32px;text-align:center;font-size:0.88rem;color:rgba(56,42,24,0.45)}
.tree-state.hidden{display:none}
.tree-tooltip{position:absolute;pointer-events:none;background:rgba(20,20,20,0.9);color:#fff;padding:12px 14px;border-radius:12px;font-size:0.75rem;line-height:1.6;max-width:260px;display:none;z-index:20;box-shadow:0 16px 30px rgba(0,0,0,0.16)}
.tree-tooltip .muted{color:rgba(255,255,255,0.55)}
.tree-link{fill:none;stroke:rgba(160,140,110,0.3);stroke-width:1}
.tree-node text{font-size:11px;fill:rgba(52,40,24,0.82);text-shadow:0 0 8px rgba(255,255,255,0.75)}
.tree-node text.hidden-label{display:none}
.tree-fallback{padding:18px;font-size:0.84rem;color:var(--ink-55)}
.tree-fallback li{margin:6px 0;list-style:none}

/* ---- overlay / modal ---- */
.overlay{display:none;position:fixed;inset:0;background:rgba(20,20,20,0.22);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);z-index:200;align-items:center;justify-content:center;padding:20px}
.overlay.active{display:flex}
.modal{background:#f5f1eb;border-radius:20px;padding:32px;max-width:480px;width:100%;box-shadow:0 24px 70px rgba(0,0,0,0.18);animation:modalIn 0.22s cubic-bezier(0.32,0.72,0.24,1)}
@keyframes modalIn{from{opacity:0;transform:translateY(10px) scale(0.98)}to{opacity:1;transform:none}}
.modal h3{font-size:1.15rem;font-weight:500;color:var(--ink-85);margin-bottom:8px}
.modal p{font-size:0.86rem;color:var(--ink-55);margin-bottom:20px;line-height:1.6}
.modal-actions{display:flex;gap:12px;margin-top:24px}
.modal-actions .btn{flex:1}
.reveal-box{background:#1c1b19;border-radius:12px;padding:16px;display:flex;align-items:center;gap:12px;margin:14px 0}
.reveal-box code{font-family:var(--mono);font-size:0.82rem;color:#e8e3d8;word-break:break-all;flex:1;line-height:1.5}
.reveal-warn{font-size:0.8rem;color:rgba(200,134,31,0.95);background:rgba(200,134,31,0.08);border:1px solid rgba(200,134,31,0.18);border-radius:10px;padding:11px 14px;margin-top:4px}

/* ---- drawer (transcript) ---- */
.drawer{position:fixed;inset:0;z-index:180;display:none}
.drawer.is-open{display:block}
.drawer-scrim{position:absolute;inset:0;background:rgba(20,20,20,0.16);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);opacity:0;animation:scrimIn .26s ease forwards}
@keyframes scrimIn{to{opacity:1}}
.drawer-panel{position:absolute;right:0;top:0;height:100%;width:min(720px,96vw);background:#f5f1eb;box-shadow:-20px 0 60px -20px rgba(0,0,0,0.2);display:flex;flex-direction:column;transform:translateX(100%);animation:panelIn .3s cubic-bezier(0.32,0.72,0.24,1) forwards}
@keyframes panelIn{to{transform:translateX(0)}}
.drawer-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;padding:26px 28px 16px;border-bottom:1px solid rgba(20,20,20,0.06);flex-shrink:0}
.drawer-title{font-size:1.1rem;font-weight:500;color:var(--ink-85)}
.drawer-meta{font-size:0.76rem;color:var(--ink-45);margin-top:5px;font-family:var(--mono)}
.drawer-close{appearance:none;border:none;background:transparent;font-size:1.5rem;line-height:1;color:var(--ink-45);cursor:pointer;padding:0 6px;transition:color .15s}
.drawer-close:hover{color:var(--ink-85)}
.drawer-body{padding:22px 28px 60px;overflow-y:auto;flex:1}
.dr-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(110px,1fr));gap:10px;margin-bottom:24px}
.dr-stat{background:rgba(255,255,255,0.6);border:1px solid var(--border);border-radius:11px;padding:12px 14px}
.dr-stat .l{font-size:0.66rem;text-transform:uppercase;letter-spacing:0.07em;color:var(--ink-35);font-weight:500}
.dr-stat .v{font-size:0.98rem;color:var(--ink-85);margin-top:4px;font-variant-numeric:tabular-nums}
.msg-block{margin-bottom:14px;border-radius:13px;border:1px solid var(--border);overflow:hidden}
.msg-role{font-size:0.68rem;text-transform:uppercase;letter-spacing:0.08em;font-weight:600;padding:9px 14px;display:flex;align-items:center;gap:8px}
.msg-role.system{background:rgba(20,20,20,0.05);color:var(--ink-55)}
.msg-role.user{background:rgba(42,143,255,0.08);color:#2a6fb0}
.msg-role.assistant{background:rgba(42,125,79,0.08);color:#2a7d4f}
.msg-role.reasoning{background:rgba(122,91,176,0.08);color:#7a5bb0}
.msg-role.tool{background:rgba(200,134,31,0.08);color:#a8721a}
.msg-body{padding:14px;font-size:0.86rem;color:var(--ink-75);line-height:1.65;white-space:pre-wrap;word-break:break-word}
.msg-body.reason{font-style:italic;color:var(--ink-55)}
.tool-call{font-family:var(--mono);font-size:0.78rem;background:rgba(20,20,20,0.03);border-radius:9px;padding:10px 12px;margin:8px 0;color:var(--ink-75);white-space:pre-wrap;word-break:break-word}
.tool-call .tname{color:#a8721a;font-weight:600}

/* ---- login ---- */
#login-section{padding:24px 0}
.login-hero{text-align:center;padding:40px 28px;margin-bottom:20px}
.login-hero .mark{font-size:2.6rem;opacity:0.35;display:block;margin-bottom:18px}
.login-hero h2{font-size:clamp(1.6rem,4vw,2.2rem);font-weight:300;letter-spacing:-0.02em;margin-bottom:10px;color:var(--ink-85)}
.login-hero p{font-size:0.95rem;color:var(--ink-45);font-weight:300;line-height:1.7;max-width:440px;margin:0 auto 26px}
#tg-widget{display:inline-block;min-height:48px}
.dev-login{margin-top:18px;font-size:0.8rem;color:var(--ink-35)}
.dev-login a{color:var(--ink-55);text-decoration:underline;text-underline-offset:3px;cursor:pointer}
.feat-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:640px){.feat-grid{grid-template-columns:1fr}}
.feat{display:flex;align-items:flex-start;gap:14px}
.feat .ic{font-size:1.2rem;line-height:1;margin-top:3px;opacity:0.3}
.feat .ft{font-size:0.92rem;font-weight:400;color:var(--ink-75);margin-bottom:4px}
.feat .fd{font-size:0.84rem;color:var(--ink-45);font-weight:300;line-height:1.6}

/* ---- model islands ---- */
.models-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
@media(max-width:900px){.models-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:440px){.models-grid{grid-template-columns:1fr}}
a.model-isle{text-decoration:none;display:block}
.model-isle{position:relative;background:rgba(255,255,255,0.62);border:1px solid var(--border);border-radius:var(--radius-card);padding:18px 18px 16px;transition:border-color .18s,box-shadow .18s,transform .18s}
.model-isle:hover{border-color:rgba(20,20,20,0.16);box-shadow:0 8px 26px -18px rgba(0,0,0,0.18);transform:translateY(-2px)}
.model-isle.lead{border-color:rgba(20,20,20,0.2)}
.model-isle .nm{font-size:1rem;font-weight:500;color:var(--ink);letter-spacing:-0.01em;display:flex;align-items:center;gap:8px;white-space:nowrap}
.model-isle .new{font-size:0.56rem;font-weight:600;letter-spacing:0.1em;text-transform:uppercase;color:#fff;background:rgba(20,20,20,0.88);border-radius:999px;padding:3px 8px}
.model-isle .ds{font-size:0.79rem;color:var(--ink-55);font-weight:300;line-height:1.5;margin-top:7px}
.model-isle .ct{font-size:0.7rem;color:var(--ink-35);margin-top:9px;letter-spacing:0.02em}

/* ---- site footer ---- */
.site-foot{max-width:980px;margin:56px auto 0;padding:26px 0 0;border-top:1px solid var(--border)}
.sf-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:22px}
@media(max-width:760px){.sf-grid{grid-template-columns:1fr 1fr}}
@media(max-width:440px){.sf-grid{grid-template-columns:1fr}}
.sf-brand{font-size:0.9rem;color:var(--ink-75);font-weight:400}
.sf-brand .mark{font-size:1.05rem;margin-right:6px}
.sf-brand .tag{display:block;font-size:0.76rem;color:var(--ink-45);font-weight:300;margin-top:6px;line-height:1.55;max-width:230px}
.sf-col .h{font-size:0.66rem;text-transform:uppercase;letter-spacing:0.1em;color:var(--ink-35);font-weight:500;margin-bottom:9px}
.sf-col a{display:block;font-size:0.8rem;color:var(--ink-55);text-decoration:none;padding:3px 0;transition:color .15s}
.sf-col a:hover{color:var(--ink)}
.sf-note{margin-top:20px;padding-top:14px;border-top:1px solid var(--border);font-size:0.72rem;color:var(--ink-35);font-weight:300;line-height:1.6}
.sf-bottom{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-top:10px;font-size:0.74rem;color:var(--ink-45)}

/* ---- misc ---- */
.empty{padding:44px 20px;text-align:center;font-size:0.88rem;color:var(--ink-35);font-weight:300}
.skeleton{background:linear-gradient(90deg,rgba(20,20,20,0.04),rgba(20,20,20,0.07),rgba(20,20,20,0.04));background-size:200% 100%;animation:shimmer 1.3s infinite;border-radius:8px}
@keyframes shimmer{to{background-position:-200% 0}}
.mono{font-family:var(--mono)}
.row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.spread{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap}
.muted{color:var(--ink-45)}
.hr{height:1px;background:var(--border);margin:22px 0}
@keyframes fadeUp{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}
.ani{animation:fadeUp 0.45s ease both}
.d1{animation-delay:.04s}.d2{animation-delay:.08s}.d3{animation-delay:.12s}.d4{animation-delay:.16s}.d5{animation-delay:.2s}.d6{animation-delay:.24s}

.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(20px);background:rgba(20,20,20,0.92);color:#fff;padding:12px 20px;border-radius:12px;font-size:0.85rem;z-index:300;opacity:0;transition:opacity 0.2s,transform 0.2s;pointer-events:none;box-shadow:0 12px 30px rgba(0,0,0,0.2)}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}