/* ── AI Agent (#ai-agent/<page>) ───────────────────────────────────
   Shell reuses the analytics/settings sub-nav (.an-nav / .st-main);
   everything else is prefixed .aia-. Colours come from theme tokens so
   [data-theme="dark"] applies. */
:root{
  --aia-amber:#d97706;
  --aia-amber-strong:#b45309;
  --aia-amber-bg:#fffbeb;
  --aia-amber-border:#fcd34d;
  --aia-next-bg:#fefce8;
  --aia-green-bg:#f0fdf4;
  --aia-hover:#f4f4f5;
  --aia-ic-bg:#f4f4f5;
  --aia-blue:#2563eb;   --aia-blue-bg:#eff6ff;
  --aia-violet:#7c3aed; --aia-violet-bg:#f5f3ff;
  --aia-teal:#0f766e;   --aia-teal-bg:#f0fdfa;
  --aia-orange:#c2410c; --aia-orange-bg:#fff7ed;
  --aia-red:#dc2626;    --aia-red-bg:#fef2f2;
  --aia-pg:#15803d;
}
:root[data-theme="dark"]{
  --aia-amber:#f59e0b;
  --aia-amber-strong:#fbbf24;
  --aia-amber-bg:rgba(245,158,11,.12);
  --aia-amber-border:rgba(245,158,11,.5);
  --aia-next-bg:rgba(250,204,21,.08);
  --aia-green-bg:rgba(34,197,94,.1);
  --aia-hover:var(--surface-3);
  --aia-ic-bg:var(--surface-3);
  --aia-blue:#60a5fa;   --aia-blue-bg:rgba(96,165,250,.14);
  --aia-violet:#a78bfa; --aia-violet-bg:rgba(167,139,250,.14);
  --aia-teal:#2dd4bf;   --aia-teal-bg:rgba(45,212,191,.12);
  --aia-orange:#fb923c; --aia-orange-bg:rgba(251,146,60,.13);
  --aia-red:#f87171;    --aia-red-bg:rgba(248,113,113,.12);
  --aia-pg:#16a34a;
}

.aia-ic{width:1em;height:1em;flex-shrink:0;display:inline-block;vertical-align:-.125em;}
.aia-shell{position:relative;}
.aia-main{position:relative;}
.aia-page{max-width:820px;margin:0 auto;padding:1.6rem 1.25rem 2.5rem;min-height:100%;display:flex;flex-direction:column;}
.aia-page:has(> .aia-savebar){padding-bottom:0;}
.aia-page > .aia-savebar{margin-top:auto;}
.aia-page-wide{max-width:980px;}
.aia-page .st-head-actions .btn .aia-ic{width:13px;height:13px;}
.aia-page .btn .aia-ic{width:13px;height:13px;}
.btn .aia-caret{width:10px !important;height:10px !important;opacity:.8;margin-left:.1rem;}
.aia-muted{color:var(--text-3);}
.aia-mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12.5px;}
.aia-nowrap{white-space:nowrap;}

/* cards */
.aia-card{background:var(--surface);border:1px solid var(--border);border-radius:8px;margin-bottom:1rem;}
.aia-card-head{display:flex;align-items:center;gap:.6rem;padding:.85rem 1.1rem;border-bottom:1px solid var(--border-light);}
.aia-card-title{flex:1;min-width:0;display:flex;align-items:center;gap:.5rem;font-size:14.5px;font-weight:600;color:var(--text);}
.aia-card-body{padding:1rem 1.1rem 1.1rem;}
.aia-help{margin:0 0 .7rem;font-size:13px;line-height:1.5;color:var(--text-3);}
.aia-section-head{margin:1.5rem 0 .75rem;}
.aia-section-head h2{font-size:15px;font-weight:600;color:var(--text);}
.aia-section-head p{margin-top:.15rem;font-size:13px;color:var(--text-3);}
.aia-icbox{width:34px;height:34px;border-radius:8px;background:var(--aia-ic-bg);color:var(--text-2);display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.aia-icbox .aia-ic{width:15px;height:15px;}
.aia-icbox-lg{width:42px;height:42px;border-radius:10px;background:var(--accent-light);color:var(--accent);}
.aia-icbox-lg .aia-ic{width:20px;height:20px;}
.aia-icbox-sm{width:28px;height:28px;border-radius:7px;}
.aia-icbox-sm .aia-ic{width:12px;height:12px;}

/* pills / tags / badges */
.aia-pill{display:inline-flex;align-items:center;height:20px;padding:0 .5rem;border-radius:999px;font-size:11.5px;font-weight:600;background:var(--surface-3);color:var(--text-2);white-space:nowrap;}
.aia-pill.ok{background:var(--success-bg);color:var(--success);}
.aia-pill.bad{background:var(--aia-red-bg);color:var(--aia-red);}
.aia-pill.info{background:var(--aia-blue-bg);color:var(--aia-blue);}
.aia-pill.warn{background:var(--aia-amber-bg);color:var(--aia-amber-strong);}
.aia-pill.req{background:var(--surface-3);color:var(--text-2);font-weight:500;}
.aia-tag{display:inline-flex;align-items:center;gap:.3rem;max-width:100%;padding:.12rem .45rem;margin:.1rem .25rem .1rem 0;border-radius:5px;background:var(--surface-3);color:var(--text-2);font-size:11.5px;line-height:1.5;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.aia-tag .aia-ic{width:10px;height:10px;}
.aia-tag.ok{background:var(--success-bg);color:var(--success);}
.aia-tag.warn{background:var(--aia-amber-bg);color:var(--aia-amber-strong);}
.aia-badge{display:inline-flex;align-items:center;justify-content:center;min-width:104px;height:22px;padding:0 .5rem;border-radius:6px;font-size:11.5px;font-weight:600;flex-shrink:0;}
.aia-badge.t-faq{background:var(--aia-blue-bg);color:var(--aia-blue);}
.aia-badge.t-self_learned{background:var(--aia-violet-bg);color:var(--aia-violet);}
.aia-badge.t-document{background:var(--aia-orange-bg);color:var(--aia-orange);}
.aia-badge.t-external{background:var(--aia-teal-bg);color:var(--aia-teal);}

/* links & icon buttons */
.aia-link{display:inline-flex;align-items:center;gap:.35rem;padding:0;border:none;background:none;cursor:pointer;font:inherit;font-size:12.5px;font-weight:500;color:var(--aia-blue);}
.aia-link .aia-ic{width:11px;height:11px;}
.aia-link:hover{text-decoration:underline;text-underline-offset:2px;}
.aia-link:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:3px;}
.aia-icon-btn{width:30px;height:30px;border-radius:7px;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;color:var(--text-3);background:none;border:none;cursor:pointer;transition:background .12s,color .12s;}
.aia-icon-btn .aia-ic{width:13px;height:13px;}
.aia-icon-btn:hover{background:var(--aia-hover);color:var(--text);}
.aia-icon-btn.danger:hover{color:var(--aia-red);}
.aia-icon-btn:focus-visible{outline:2px solid var(--accent);outline-offset:-2px;}
.aia-btn-amber{background:var(--aia-amber);color:#fff;border-color:var(--aia-amber);}
.aia-btn-amber:hover{background:var(--aia-amber-strong);border-color:var(--aia-amber-strong);}
:root[data-theme="dark"] .aia-btn-amber{color:#1c1300;}
.aia-btn-spin{width:12px !important;height:12px !important;border-width:2px !important;}
.aia-switch-disabled{opacity:.5;cursor:not-allowed;}
.aia-switch-disabled input{cursor:not-allowed;}

/* tooltip (ⓘ) */
.aia-tip{position:relative;display:inline-flex;align-items:center;color:var(--text-3);cursor:help;vertical-align:middle;}
.aia-tip .aia-ic{width:12px;height:12px;}
.aia-tip:hover, .aia-tip:focus-visible{color:var(--text-2);outline:none;}
.aia-tip::after{
  content:attr(data-tip);position:absolute;left:50%;bottom:calc(100% + 8px);transform:translateX(-50%);
  width:max-content;max-width:280px;padding:.5rem .65rem;border-radius:7px;
  background:#1f2937;color:#f9fafb;font-size:12px;font-weight:400;line-height:1.45;text-align:left;white-space:normal;
  box-shadow:var(--shadow-lg);opacity:0;pointer-events:none;transition:opacity .12s;z-index:40;
}
.aia-tip:hover::after, .aia-tip:focus-visible::after{opacity:1;}
:root[data-theme="dark"] .aia-tip::after{background:#e5e7eb;color:#111827;}

/* ── Overview ── */
.aia-master{display:flex;align-items:center;gap:.9rem;padding:1rem 1.1rem;}
.aia-master-text{flex:1;min-width:0;}
.aia-master-title{display:flex;align-items:center;gap:.5rem;font-size:15px;font-weight:600;color:var(--text);}
.aia-master-text .aia-muted{margin-top:.2rem;font-size:13px;}
.aia-setup-n{font-weight:500;font-size:13px;margin-left:.2rem;}
.aia-seg{display:grid;grid-template-columns:repeat(3,1fr);gap:.4rem;padding:.9rem 1.1rem .3rem;}
.aia-seg i{height:6px;border-radius:999px;background:var(--surface-3);}
.aia-seg i.on{background:var(--accent);}
.aia-steps{padding:.4rem .6rem .7rem;}
.aia-step{display:flex;align-items:center;gap:.7rem;padding:.6rem .6rem;border-radius:8px;min-height:46px;}
.aia-step.next{background:var(--aia-next-bg);box-shadow:inset 0 0 0 1px var(--aia-amber-border);}
.aia-step-radio{display:flex;color:var(--text-3);}
.aia-step-radio .aia-ic{width:17px;height:17px;}
.aia-step.done .aia-step-radio{color:var(--accent);}
.aia-step-label{flex:1;min-width:0;font-size:13.5px;font-weight:500;color:var(--text);}
.aia-step.done .aia-step-label{color:var(--text-3);text-decoration:line-through;text-decoration-color:var(--border);}
.aia-step-req{font-size:12px;color:var(--text-3);}
.aia-step-done{font-size:12.5px;font-weight:500;color:var(--accent);padding:0 .5rem;}
.aia-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.8rem;}
.aia-cfg{display:flex;flex-direction:column;gap:.5rem;padding:1rem 1.1rem;background:var(--surface);border:1px solid var(--border);border-radius:8px;text-decoration:none;color:inherit;transition:border-color .12s,box-shadow .12s;}
.aia-cfg:hover{border-color:var(--text-3);box-shadow:var(--shadow-card);}
.aia-cfg:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.aia-cfg.full{grid-column:1 / -1;}
.aia-cfg.needs{border-color:var(--aia-amber-border);background:linear-gradient(0deg,var(--aia-amber-bg),var(--aia-amber-bg)),var(--surface);}
.aia-cfg-top{display:flex;align-items:center;gap:.65rem;}
.aia-cfg-title{flex:1;font-size:14px;font-weight:600;color:var(--text);}
.aia-cfg-chev{width:11px !important;height:11px !important;color:var(--text-3);}
.aia-cfg-desc{font-size:12.5px;line-height:1.5;color:var(--text-3);}
.aia-cfg-finish{align-self:flex-start;margin-top:.2rem;pointer-events:none;}

/* ── Forms ── */
.aia-field{margin-bottom:1rem;}
.aia-field:last-child{margin-bottom:0;}
.aia-field-label{display:flex;align-items:center;gap:.35rem;margin-bottom:.4rem;font-size:13px;font-weight:600;color:var(--text);}
.aia-field-label .aia-muted{font-weight:400;}
.aia-hint{margin-top:.35rem;font-size:12px;line-height:1.5;color:var(--text-3);}
.aia-input{width:100%;height:36px;padding:0 .7rem;border:1px solid var(--border);border-radius:7px;background:var(--surface);color:var(--text);font:inherit;font-size:13px;}
select.aia-input{padding-right:1.6rem;cursor:pointer;}
.aia-input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-light);}
.aia-input[readonly]{background:var(--surface-2);}
.aia-select-native{width:auto;min-width:160px;height:34px;}
.aia-two{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-bottom:1rem;}
.aia-two .aia-field{margin-bottom:0;}
.aia-ta-wrap{border:1px solid var(--border);border-radius:8px;background:var(--surface);overflow:hidden;transition:border-color .12s,box-shadow .12s;margin-bottom:1rem;}
.aia-ta-wrap:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-light);}
.aia-ta-wrap:last-child{margin-bottom:0;}
.aia-ta{display:block;width:100%;border:none;resize:vertical;padding:.75rem .85rem;background:transparent;color:var(--text);font:inherit;font-size:13.5px;line-height:1.6;min-height:90px;}
.aia-ta:focus{outline:none;}
.aia-modal .aia-ta{border:1px solid var(--border);border-radius:8px;}
.aia-modal .aia-ta:focus{border-color:var(--accent);}
.aia-ta-foot{display:flex;align-items:center;justify-content:space-between;gap:.6rem;padding:.4rem .85rem;border-top:1px solid var(--border-light);background:var(--surface-2);}
.aia-modal .aia-ta-foot{border:none;background:none;padding:.35rem 0 0;}
.aia-count{font-size:12px;color:var(--text-3);font-variant-numeric:tabular-nums;}
.aia-num{display:flex;align-items:center;border:1px solid var(--border);border-radius:7px;background:var(--surface);overflow:hidden;max-width:220px;}
.aia-num:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-light);}
.aia-num input{flex:1;min-width:0;height:36px;border:none;padding:0 .7rem;background:transparent;color:var(--text);font:inherit;font-size:13.5px;font-variant-numeric:tabular-nums;}
.aia-num input:focus{outline:none;}
.aia-num span{padding:0 .7rem;height:36px;display:flex;align-items:center;font-size:12.5px;color:var(--text-3);background:var(--surface-2);border-left:1px solid var(--border-light);}
.aia-check{display:inline-flex;align-items:center;gap:.4rem;font-size:12.5px;color:var(--text-2);cursor:pointer;}
.aia-check input{width:15px;height:15px;accent-color:var(--accent);}
.aia-note{display:flex;gap:.5rem;align-items:flex-start;margin-top:.9rem;padding:.6rem .75rem;border-radius:7px;background:var(--surface-2);font-size:12.5px;line-height:1.5;color:var(--text-2);}
.aia-note .aia-ic{width:13px;height:13px;margin-top:.15rem;color:var(--text-3);}
.aia-row{display:flex;align-items:center;gap:1rem;}
.aia-row > div:first-child{flex:1;min-width:0;}
.aia-row-top{padding-top:1rem;border-top:1px solid var(--border-light);}
.aia-row-top .aia-field-label{margin-bottom:.1rem;}
.aia-row-top .aia-hint{margin-top:0;}
.aia-row-plain{margin:0 0 .6rem;}
.aia-row-plain .aia-field-label{margin:0;color:var(--text-2);font-weight:500;}

/* radio cards */
.aia-radios{display:grid;grid-template-columns:1fr 1fr;gap:.7rem;}
.aia-radio{position:relative;display:flex;gap:.65rem;align-items:flex-start;padding:.8rem .9rem;border:1px solid var(--border);border-radius:8px;background:var(--surface);cursor:pointer;transition:border-color .12s,background .12s;}
.aia-radio:hover{border-color:var(--text-3);}
.aia-radio.on{border-color:var(--accent);background:var(--aia-green-bg);box-shadow:inset 0 0 0 1px var(--accent);}
.aia-radio input{position:absolute;opacity:0;pointer-events:none;}
.aia-radio-dot{width:16px;height:16px;margin-top:.1rem;border-radius:50%;border:1.5px solid var(--text-3);flex-shrink:0;background:var(--surface);}
.aia-radio.on .aia-radio-dot{border-color:var(--accent);box-shadow:inset 0 0 0 3.5px var(--surface);background:var(--accent);}
.aia-radio:focus-within{outline:2px solid var(--accent);outline-offset:2px;}
.aia-radio-title{display:block;font-size:13.5px;font-weight:600;color:var(--text);}
.aia-radio-sub{display:block;margin-top:.15rem;font-size:12.5px;line-height:1.45;color:var(--text-3);}

/* chips (allowed phones) */
.aia-chips{display:flex;flex-wrap:wrap;gap:.45rem;}
.aia-chip{display:inline-flex;align-items:center;gap:.4rem;height:32px;padding:0 .75rem;border:1px solid var(--border);border-radius:999px;background:var(--surface);color:var(--text-2);font:inherit;font-size:12.5px;font-weight:500;cursor:pointer;transition:border-color .12s,background .12s,color .12s;}
.aia-chip .aia-ic{width:11px;height:11px;}
.aia-chip small{font-size:11.5px;color:var(--text-3);font-weight:400;}
.aia-chip:hover{border-color:var(--text-3);}
.aia-chip.on{border-color:var(--accent);background:var(--accent-light);color:var(--accent-dark);}
:root[data-theme="dark"] .aia-chip.on{color:var(--accent);}
.aia-chip:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.aia-chip:disabled{cursor:default;}

/* operating hours */
.aia-hours{margin-top:.8rem;border:1px solid var(--border-light);border-radius:8px;overflow:hidden;}
.aia-day{display:flex;align-items:center;gap:.7rem;padding:.5rem .8rem;min-height:46px;}
.aia-day + .aia-day{border-top:1px solid var(--border-light);}
.aia-day-name{width:92px;font-size:13px;font-weight:500;color:var(--text);}
.aia-day.off .aia-day-name{color:var(--text-3);}
.aia-time{height:32px;padding:0 .5rem;border:1px solid var(--border);border-radius:6px;background:var(--surface);color:var(--text);font:inherit;font-size:13px;color-scheme:light;}
:root[data-theme="dark"] .aia-time{color-scheme:dark;}
.aia-time:focus{outline:none;border-color:var(--accent);}
.aia-day.off .aia-time{opacity:.45;}
.aia-closed{margin-left:auto;font-size:12px;}

/* custom select (personality) */
.aia-select{display:flex;align-items:center;gap:.6rem;width:100%;min-height:36px;padding:.4rem .7rem;border:1px solid var(--border);border-radius:7px;background:var(--surface);color:var(--text);font:inherit;text-align:left;cursor:pointer;}
.aia-select > span{flex:1;min-width:0;}
.aia-select:hover{border-color:var(--text-3);}
.aia-select:focus-visible{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-light);}
.aia-select-title{display:block;font-size:13px;font-weight:500;}
.aia-select-sub{display:block;font-size:11.5px;color:var(--text-3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.aia-select .aia-caret{width:10px;height:10px;color:var(--text-3);}

/* menus (popovers) */
.aia-pop{max-width:340px;}
.aia-pop-wide{min-width:280px;}
.aia-menu-head{padding:.4rem .55rem .3rem;font-size:10.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--text-3);}
.aia-menu-item{align-items:flex-start;}
.aia-menu-2 > span, .aia-menu-2 .aia-menu-title, .aia-menu-2 .aia-menu-sub{white-space:normal;}
.aia-menu-2{flex-direction:column;align-items:stretch;gap:.1rem;}
.aia-menu-ic{flex-direction:row;gap:.65rem;}
.aia-menu-ic > .aia-ic{width:14px;height:14px;margin-top:.15rem;color:var(--text-3);}
.aia-menu-title{display:flex;align-items:center;justify-content:space-between;gap:.5rem;font-size:13px;font-weight:500;color:var(--text);}
.aia-menu-title .aia-ic{width:11px;height:11px;color:var(--accent);}
.aia-menu-sub{display:block;font-size:12px;line-height:1.4;color:var(--text-3);}
.aia-menu-item.active{background:var(--surface-3);}

/* ── Save bar ── */
.aia-savebar{position:sticky;bottom:0;z-index:5;display:flex;align-items:center;gap:1rem;margin:1rem -1.25rem 0;padding:.75rem 1.25rem;background:var(--surface);border-top:1px solid var(--border);box-shadow:0 -4px 14px rgba(0,0,0,.04);}
.aia-savebar-ro{font-size:12.5px;color:var(--text-3);gap:.5rem;}
.aia-savebar-ro .aia-ic{width:13px;height:13px;}
.aia-save-state{flex:1;display:flex;align-items:center;gap:.45rem;font-size:13px;color:var(--text-3);}
.aia-save-state .aia-ic{width:14px;height:14px;color:var(--accent);}
.aia-save-state.dirty{color:var(--aia-amber-strong);font-weight:500;}
.aia-dot{width:8px;height:8px;border-radius:50%;background:var(--aia-amber);}
.aia-save-actions{display:flex;gap:.5rem;}
.aia-save-actions .btn:disabled{opacity:.5;cursor:default;box-shadow:none;}

/* ── Lists (KB, tools, contacts) ── */
.aia-toolbar{display:flex;align-items:center;gap:.6rem;flex-wrap:wrap;margin-bottom:.7rem;}
.aia-search{max-width:280px;}
.st-search .aia-ic{position:absolute;left:.65rem;width:13px;height:13px;color:var(--text-3);pointer-events:none;}
.aia-segctl{display:inline-flex;gap:2px;padding:3px;border-radius:8px;background:var(--surface);border:1px solid var(--border);}
.aia-seg-btn{display:inline-flex;align-items:center;gap:.3rem;height:28px;padding:0 .7rem;border:none;border-radius:6px;background:none;color:var(--text-2);font:inherit;font-size:12.5px;font-weight:500;cursor:pointer;white-space:nowrap;}
.aia-seg-btn:hover{color:var(--text);}
.aia-seg-btn.on{background:var(--surface-3);color:var(--text);}
.aia-seg-btn:focus-visible{outline:2px solid var(--accent);outline-offset:-2px;}
.aia-seg-n{font-size:11.5px;color:var(--text-3);font-variant-numeric:tabular-nums;}
.aia-typepills{display:flex;flex-wrap:wrap;gap:.4rem;margin-bottom:.8rem;}
.aia-typepill{height:28px;padding:0 .8rem;border:1px solid var(--border);border-radius:999px;background:var(--surface);color:var(--text-2);font:inherit;font-size:12.5px;font-weight:500;cursor:pointer;}
.aia-typepill:hover{border-color:var(--text-3);color:var(--text);}
.aia-typepill.on{border-color:var(--text);background:var(--text);color:var(--surface);}
.aia-typepill:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.aia-list{overflow:hidden;}
.aia-kb-row{display:flex;align-items:center;gap:.8rem;padding:.7rem 1rem;min-height:58px;}
.aia-kb-row + .aia-kb-row{border-top:1px solid var(--border-light);}
.aia-kb-row:hover{background:var(--surface-2);}
.aia-kb-main{flex:1;min-width:0;display:flex;flex-direction:column;gap:.15rem;padding:0;border:none;background:none;text-align:left;font:inherit;color:inherit;cursor:pointer;}
.aia-kb-main:disabled, .aia-static{cursor:default;}
.aia-kb-main:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}
.aia-kb-title{font-size:13.5px;font-weight:500;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.aia-kb-sub{font-size:12px;color:var(--text-3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.aia-kb-ctl{display:flex;align-items:center;gap:.3rem;flex-shrink:0;}
.aia-kb-ctl .st-switch{margin-right:.35rem;}
.aia-empty{display:flex;flex-direction:column;align-items:center;gap:.35rem;padding:2.6rem 1rem;text-align:center;font-size:13px;}
.aia-empty > .aia-ic{width:26px;height:26px;color:var(--text-3);opacity:.6;margin-bottom:.35rem;}
.aia-empty-title{font-size:14px;font-weight:600;color:var(--text-2);}
.aia-explain{display:flex;gap:.8rem;align-items:flex-start;padding:.9rem 1rem;background:var(--surface-2);}
.aia-explain > .aia-ic{width:16px;height:16px;color:var(--text-3);margin-top:.15rem;}
.aia-explain .aia-muted{margin-top:.2rem;font-size:12.5px;line-height:1.55;}

/* tabs */
.aia-tabs{display:flex;gap:1.2rem;border-bottom:1px solid var(--border);margin-bottom:1rem;}
.aia-tab{position:relative;padding:.55rem 0;border:none;background:none;font:inherit;font-size:13.5px;font-weight:500;color:var(--text-3);cursor:pointer;display:inline-flex;gap:.35rem;align-items:center;}
.aia-tab:hover{color:var(--text);}
.aia-tab.on{color:var(--text);}
.aia-tab.on::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;border-radius:2px;background:var(--accent);}
.aia-tab:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:3px;}

/* built-in tools */
.aia-tool{overflow:hidden;}
.aia-tool-head{display:flex;align-items:center;gap:.85rem;padding:1rem 1.1rem;}
.aia-tool-text{flex:1;min-width:0;}
.aia-tool-title{display:flex;align-items:center;gap:.4rem;font-size:14px;font-weight:600;color:var(--text);}
.aia-tool-text .aia-muted{margin-top:.15rem;font-size:12.5px;}
.aia-tool-extra{padding:0 1.1rem 1.1rem 4.05rem;}
.aia-tool-note{display:flex;align-items:center;gap:.5rem;margin:0 1.1rem 1rem 4.05rem;padding:.55rem .75rem;border-radius:7px;background:var(--aia-amber-bg);color:var(--aia-amber-strong);font-size:12.5px;}
.aia-tool-note .aia-ic{width:12px;height:12px;}
.aia-prow{display:grid;grid-template-columns:1.1fr .8fr 1.6fr auto auto;gap:.45rem;align-items:center;margin-bottom:.45rem;}
.aia-hrow{grid-template-columns:1fr 1.6fr auto;}
.aia-prow .aia-input{height:32px;font-size:12.5px;}

/* ── Stats / charts / tables ── */
.aia-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:.8rem;margin-bottom:1rem;}
.aia-stat{padding:.9rem 1rem;background:var(--surface);border:1px solid var(--border);border-radius:8px;}
.aia-stat-top{display:flex;align-items:center;justify-content:space-between;gap:.5rem;font-size:12.5px;font-weight:500;color:var(--text-3);}
.aia-stat-top .aia-ic{width:13px;height:13px;}
.aia-stat-val{margin-top:.35rem;font-size:22px;font-weight:600;letter-spacing:-.01em;color:var(--text);font-variant-numeric:tabular-nums;}
.aia-stat-sub{margin-top:.15rem;font-size:11.5px;color:var(--text-3);}
.aia-chart{position:relative;height:260px;}
.aia-legend{display:flex;flex-wrap:wrap;gap:1rem;margin-bottom:.6rem;font-size:12.5px;color:var(--text-2);}
.aia-legend span{display:inline-flex;align-items:center;gap:.4rem;}
.aia-legend i{width:10px;height:10px;border-radius:3px;}
.aia-table-wrap{overflow-x:auto;margin:-1rem -1.1rem -1.1rem;}
.aia-list > .aia-table-wrap{margin:0;}
.aia-table{width:100%;border-collapse:collapse;font-size:13px;}
.aia-table th{padding:.6rem 1rem;text-align:left;font-size:12px;font-weight:600;color:var(--text-3);background:var(--surface-2);border-bottom:1px solid var(--border-light);white-space:nowrap;}
.aia-table td{padding:.6rem 1rem;border-bottom:1px solid var(--border-light);color:var(--text);vertical-align:middle;}
.aia-table tr:last-child td{border-bottom:none;}
.aia-table .num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap;}
.aia-table-click tbody tr{cursor:pointer;}
.aia-table-click tbody tr:hover td{background:var(--surface-2);}
.aia-table-click tbody tr:focus-visible{outline:2px solid var(--accent);outline-offset:-2px;}
.aia-reason{font-size:12px;margin-left:.25rem;}
.aia-share-h{width:32%;}
.aia-share{height:6px;border-radius:999px;background:var(--surface-3);overflow:hidden;}
.aia-share i{display:block;height:100%;border-radius:999px;background:var(--accent);}
.aia-chatlink{font-size:13px;color:var(--text);font-weight:500;}
.aia-foot-note{font-size:12px;color:var(--text-3);margin:-.2rem 0 0;}
.aia-pager{display:flex;align-items:center;justify-content:flex-end;gap:.5rem;margin-top:-.2rem;font-size:12.5px;}
.aia-pager .aia-muted{margin-right:auto;}

/* self-training suggestions */
.aia-sug{padding:.9rem 1.1rem;}
.aia-sug + .aia-sug{border-top:1px solid var(--border-light);}
.aia-sug-q{display:flex;align-items:flex-start;gap:.5rem;font-size:13.5px;font-weight:600;color:var(--text);}
.aia-sug-q .aia-ic{width:14px;height:14px;margin-top:.15rem;color:var(--aia-violet);}
.aia-sug-a{margin:.35rem 0 0 1.4rem;font-size:13px;line-height:1.55;color:var(--text-2);white-space:pre-wrap;}
.aia-sug-foot{display:flex;align-items:center;gap:.6rem;flex-wrap:wrap;margin:.6rem 0 0 1.4rem;font-size:12px;}
.aia-sug-actions{display:flex;gap:.4rem;margin-left:auto;}

/* run detail */
.aia-dl{display:grid;grid-template-columns:130px 1fr;gap:.45rem 1rem;margin:0 0 1rem;font-size:13px;}
.aia-dl-row{display:contents;}
.aia-dl dt{color:var(--text-3);}
.aia-dl dd{margin:0;color:var(--text);min-width:0;word-break:break-word;}
.aia-bubble{max-width:100%;padding:.55rem .75rem;border-radius:10px;font-size:13px;line-height:1.5;white-space:pre-wrap;word-break:break-word;margin-bottom:.8rem;}
.aia-bubble.in{background:var(--surface-3);color:var(--text);border-top-left-radius:3px;}
.aia-bubble.out{background:var(--bubble-out);color:var(--text);border-top-right-radius:3px;}

/* ── Modals ── */
.aia-modal-ov{position:fixed;inset:0;z-index:700;display:flex;align-items:center;justify-content:center;padding:1rem;background:rgba(15,17,21,.45);}
.aia-modal{width:520px;max-width:100%;max-height:calc(100vh - 2rem);display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--border);border-radius:10px;box-shadow:var(--shadow-lg);}
.aia-modal-wide{width:720px;}
.aia-modal-full{width:min(1100px, 100%);height:calc(100vh - 2rem);}
.aia-modal-head{display:flex;align-items:center;gap:.75rem;padding:.85rem 1rem .85rem 1.2rem;border-bottom:1px solid var(--border-light);}
.aia-modal-head h2{flex:1;min-width:0;font-size:15px;font-weight:600;color:var(--text);}
.aia-modal-body{padding:1.1rem 1.2rem;overflow-y:auto;flex:1;min-height:0;}
.aia-modal-full .aia-modal-body{display:flex;padding:0;}
.aia-ta-full{flex:1;height:100%;resize:none;border:none !important;border-radius:0 !important;padding:1.1rem 1.3rem;font-size:14px;line-height:1.7;}
.aia-modal-foot{display:flex;justify-content:flex-end;gap:.5rem;padding:.75rem 1.2rem;border-top:1px solid var(--border-light);}
.aia-confirm-text{font-size:13.5px;line-height:1.55;color:var(--text-2);}
.aia-drop{display:flex;align-items:center;gap:.6rem;padding:1rem;margin-bottom:1rem;border:1.5px dashed var(--border);border-radius:8px;cursor:pointer;font-size:13px;color:var(--text-2);}
.aia-drop:hover{border-color:var(--accent);color:var(--text);}
.aia-drop .aia-ic{width:16px;height:16px;color:var(--text-3);}
.aia-drop input{position:absolute;width:1px;height:1px;opacity:0;}
.aia-drop:focus-within{outline:2px solid var(--accent);outline-offset:2px;}
.aia-src{display:flex;align-items:center;gap:.4rem;margin:-.5rem 0 1rem;word-break:break-all;}
.aia-src .aia-ic{width:11px;height:11px;}

/* ── Playground ── */
.aia-pg-tab{
  position:absolute;right:0;top:50%;z-index:20;transform:translateY(-50%);
  display:flex;align-items:center;gap:.4rem;writing-mode:vertical-rl;
  padding:.9rem .45rem;border:none;border-radius:8px 0 0 8px;
  background:var(--aia-pg);color:#fff;font:inherit;font-size:12.5px;font-weight:600;letter-spacing:.02em;cursor:pointer;
  box-shadow:-2px 2px 10px rgba(0,0,0,.12);
}
.aia-pg-tab .aia-ic{width:11px;height:11px;transform:rotate(90deg);}
.aia-pg-tab:hover{background:var(--accent-hover);}
.aia-pg-tab:focus-visible{outline:2px solid var(--text);outline-offset:2px;}
.aia-pg{
  position:absolute;top:0;right:0;bottom:0;z-index:30;width:400px;max-width:100%;
  display:flex;flex-direction:column;background:var(--surface);border-left:1px solid var(--border);
  box-shadow:-10px 0 30px rgba(0,0,0,.08);animation:aia-slide .18s ease-out;
}
.aia-pg[hidden]{display:none;}
@keyframes aia-slide{from{transform:translateX(24px);opacity:0;}to{transform:none;opacity:1;}}
.aia-pg-head{display:flex;align-items:center;gap:.3rem;padding:.8rem .7rem .8rem 1rem;border-bottom:1px solid var(--border-light);}
.aia-pg-title{flex:1;min-width:0;display:flex;align-items:center;gap:.65rem;}
.aia-pg-title > .aia-ic{width:18px;height:18px;color:var(--accent);}
.aia-pg-title h2{font-size:14.5px;font-weight:600;color:var(--text);}
.aia-pg-title p{font-size:12px;color:var(--text-3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.aia-pg-note{display:flex;gap:.5rem;align-items:flex-start;margin:.7rem .8rem 0;padding:.55rem .7rem;border-radius:7px;background:var(--surface-2);font-size:11.5px;line-height:1.5;color:var(--text-3);}
.aia-pg-note .aia-ic{width:12px;height:12px;margin-top:.12rem;}
.aia-pg-note b{color:var(--aia-amber-strong);font-weight:600;}
.aia-pg-msgs{flex:1;min-height:0;overflow-y:auto;padding:.9rem .8rem;display:flex;flex-direction:column;gap:.55rem;}
.aia-pg-empty{margin:auto;max-width:260px;text-align:center;font-size:12.5px;line-height:1.55;color:var(--text-3);}
.aia-pg-empty .aia-ic{width:24px;height:24px;opacity:.5;margin-bottom:.4rem;}
.aia-pg-msg{display:flex;flex-direction:column;align-items:flex-start;max-width:86%;}
.aia-pg-msg.me{align-self:flex-end;align-items:flex-end;}
.aia-pg-msg .aia-bubble{margin:0;}
.aia-pg-meta{display:flex;flex-wrap:wrap;align-items:center;gap:0;margin-top:.3rem;font-size:11px;}
.aia-pg-meta .aia-muted{font-size:11px;margin-left:.1rem;}
.aia-pg-sys{align-self:center;display:flex;align-items:center;gap:.4rem;max-width:92%;padding:.35rem .7rem;border-radius:999px;background:var(--surface-3);color:var(--text-2);font-size:11.5px;text-align:center;}
.aia-pg-sys .aia-ic{width:11px;height:11px;flex-shrink:0;}
.aia-typing{display:flex;gap:4px;align-items:center;padding:.7rem .8rem;}
.aia-typing i{width:6px;height:6px;border-radius:50%;background:var(--text-3);animation:aia-blink 1.2s infinite both;}
.aia-typing i:nth-child(2){animation-delay:.2s;}
.aia-typing i:nth-child(3){animation-delay:.4s;}
@keyframes aia-blink{0%,80%,100%{opacity:.25;}40%{opacity:1;}}
.aia-pg-foot{padding:.6rem .8rem .8rem;border-top:1px solid var(--border-light);}
.aia-pg-foot .aia-check{font-size:12px;margin-bottom:.5rem;}
.aia-pg-compose{display:flex;align-items:flex-end;gap:.5rem;}
.aia-pg-compose textarea{flex:1;min-height:38px;max-height:120px;resize:none;padding:.55rem .7rem;border:1px solid var(--border);border-radius:8px;background:var(--surface);color:var(--text);font:inherit;font-size:13px;line-height:1.45;}
.aia-pg-compose textarea:focus{outline:none;border-color:var(--accent);}
.aia-pg-send{width:38px;height:38px;padding:0;justify-content:center;}
.aia-pg-send .aia-ic{width:14px !important;height:14px !important;}

@media (prefers-reduced-motion: reduce){
  .aia-pg{animation:none;}
  .aia-typing i{animation:none;opacity:.6;}
}
@media (max-width: 900px){
  .aia-stats{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width: 720px){
  .aia-grid, .aia-radios, .aia-two{grid-template-columns:1fr;}
  .aia-pg{width:100%;}
  .aia-tool-extra, .aia-tool-note{padding-left:1.1rem;margin-left:1.1rem;}
  .aia-tool-extra{padding-left:1.1rem;}
  .aia-prow{grid-template-columns:1fr 1fr;}
  .aia-day{flex-wrap:wrap;}
}