/* Jarvis — K'S palette: navy, gold, ivory. Dark by default; follows the device in light mode. */
:root {
  --bg: #061428; --bg-2: #0a1d38; --surface: #0e2444; --surface-2: #13305a;
  --line: #1f3a63; --ink: #eef1f6; --ink-2: #b7c1d1; --muted: #8796ad;
  --gold: #c9a961; --gold-2: #e2c98f; --gold-ink: #071b35;
  --ok: #5fbf8f; --warn: #e2b04a; --bad: #ef7d6d;
  --user: #16365f; --shadow: 0 10px 30px rgba(0, 0, 0, .35);
  --serif: 'Instrument Serif', Georgia, serif; --sans: Inter, 'Segoe UI', Arial, sans-serif;
  --r: 12px; color-scheme: dark;
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #f7f3ea; --bg-2: #efe8da; --surface: #fffdf8; --surface-2: #f3ede1;
    --line: #e2d9c8; --ink: #102033; --ink-2: #3b4a5e; --muted: #5a6472;
    --gold: #9c7a36; --gold-2: #7d5f22; --gold-ink: #fffdf8;
    --user: #e9eef6; --shadow: 0 10px 30px rgba(16, 32, 51, .12); color-scheme: light;
  }
}
* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body { background: var(--bg); color: var(--ink); font: 15px/1.55 var(--sans); -webkit-font-smoothing: antialiased; }
button, input, textarea { font: inherit; color: inherit; }
[hidden] { display: none !important; }
a { color: var(--gold-2); }
.muted { color: var(--muted); }
.error { color: var(--bad); min-height: 1.2em; margin: 4px 0; font-size: 14px; }

a.btn { text-decoration: none; display: inline-flex; align-items: center; }
.btn { border: 1px solid var(--line); background: var(--surface-2); border-radius: 10px; padding: 9px 16px; cursor: pointer; font-weight: 500; min-height: 40px; }
.btn:hover { border-color: var(--gold); }
.btn.gold { background: var(--gold); border-color: var(--gold); color: var(--gold-ink); }
.btn.gold:hover { filter: brightness(1.08); }
.btn.ghost { background: transparent; }
.btn.small { padding: 5px 12px; min-height: 32px; font-size: 13px; }
.btn.block { width: 100%; }
.btn:disabled { opacity: .5; cursor: default; }
.icon-btn { background: none; border: 1px solid transparent; border-radius: 10px; width: 40px; height: 40px; display: inline-grid; place-items: center; cursor: pointer; color: var(--ink-2); font-size: 18px; }
.icon-btn:hover { background: var(--surface-2); color: var(--ink); }
.icon-btn svg { width: 20px; height: 20px; }
.icon-btn.live { color: var(--bad); border-color: var(--bad); animation: pulse 1.2s infinite; }
@keyframes pulse { 50% { opacity: .55; } }
.pill { background: var(--gold); color: var(--gold-ink); border-radius: 999px; font-size: 11px; padding: 1px 7px; font-weight: 600; margin-left: 6px; }

/* sign-in */
.login { min-height: 100%; display: grid; place-items: center; padding: 24px 16px;
  background: radial-gradient(1200px 600px at 50% -10%, rgba(201,169,97,.18), transparent 60%), var(--bg); }
.login-card { width: min(380px, 100%); background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: 32px 28px; box-shadow: var(--shadow); text-align: center; }
.login-card h1 { font: 400 44px/1 var(--serif); margin: 14px 0 4px; letter-spacing: .5px; }
.login-card label { display: block; text-align: left; font-size: 13px; color: var(--ink-2); margin-top: 14px; }
.login-card input { display: block; width: 100%; margin-top: 6px; padding: 11px 12px; border-radius: 10px; border: 1px solid var(--line); background: var(--bg-2); font-size: 16px; }
.login-card .btn { width: 100%; margin-top: 18px; }
.mark { width: 64px; height: 64px; margin: 0 auto; border-radius: 50%; display: grid; place-items: center; border: 1.5px solid var(--gold);
  font: italic 400 34px/1 var(--serif); color: var(--gold-2); box-shadow: 0 0 0 6px rgba(201,169,97,.08), 0 0 40px rgba(201,169,97,.25) inset; }
.mark.sm { width: 32px; height: 32px; font-size: 18px; margin: 0; box-shadow: none; }

/* shell */
.shell { display: grid; grid-template-columns: 272px minmax(0, 1fr); height: 100dvh; }
.shell.with-panel { grid-template-columns: 272px minmax(0, 1fr) minmax(360px, 44vw); }
.sidebar { background: var(--bg-2); border-right: 1px solid var(--line); display: flex; flex-direction: column; min-height: 0; }
.side-top { padding: 16px 14px 10px; display: grid; gap: 12px; }
.brand { display: flex; align-items: center; gap: 10px; }
.wordmark { font: 400 26px/1 var(--serif); letter-spacing: .3px; }
.search { width: 100%; padding: 8px 12px; border-radius: 10px; border: 1px solid var(--line); background: var(--surface); font-size: 14px; }
.conv-list { flex: 1; overflow-y: auto; padding: 4px 8px; }
.conv { display: flex; align-items: center; gap: 6px; width: 100%; text-align: left; background: none; border: 0; border-radius: 8px; padding: 8px 10px; cursor: pointer; color: var(--ink-2); font-size: 14px; }
.conv:hover { background: var(--surface); color: var(--ink); }
.conv.active { background: var(--surface-2); color: var(--ink); }
.conv .t { flex: 1; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.conv .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--warn); flex: none; }
.conv .del { opacity: 0; background: none; border: 0; color: var(--muted); cursor: pointer; padding: 0 2px; }
.conv:hover .del { opacity: 1; }
.side-bottom { border-top: 1px solid var(--line); padding: 10px 8px 14px; display: grid; gap: 2px; }
.side-link { display: flex; align-items: center; text-align: left; background: none; border: 0; border-radius: 8px; padding: 8px 10px; cursor: pointer; color: var(--ink-2); font-size: 14px; }
.side-link:hover { background: var(--surface); color: var(--ink); }
.side-link.subtle { color: var(--muted); font-size: 13px; }
.status-box { padding: 6px 10px; font-size: 12px; color: var(--muted); display: grid; gap: 3px; }
.status-box .apps { display: flex; flex-wrap: wrap; gap: 4px 10px; }
.status-box .app::before { content: ''; display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--muted); margin-right: 5px; vertical-align: 1px; }
.status-box .app.on::before { background: var(--ok); }

.main { display: flex; flex-direction: column; min-width: 0; min-height: 0; }
.topbar { display: flex; align-items: center; gap: 8px; padding: 10px 20px; border-bottom: 1px solid var(--line); min-height: 56px; }
.conv-title { flex: 1; margin: 0; font: 500 15px/1.3 var(--sans); color: var(--ink-2); overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.only-mobile { display: none; }

/* thread */
.thread { flex: 1; overflow-y: auto; padding: 24px 20px 12px; scroll-behavior: smooth; }
.thread > * { max-width: 780px; margin-left: auto; margin-right: auto; }
.empty { text-align: center; padding: 8vh 0 0; }
.empty h1 { font: 400 clamp(38px, 6vw, 56px)/1.05 var(--serif); margin: 18px 0 8px; }
.empty h1 em { color: var(--gold-2); }
.empty p { color: var(--muted); margin: 0 0 26px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.chip { border: 1px solid var(--line); background: var(--surface); border-radius: 999px; padding: 8px 14px; cursor: pointer; font-size: 14px; color: var(--ink-2); text-align: left; }
.chip:hover { border-color: var(--gold); color: var(--ink); }

.msg { margin: 0 auto 18px; }
.msg.user { display: flex; flex-direction: column; align-items: flex-end; }
.bubble { background: var(--user); border-radius: 16px 16px 4px 16px; padding: 10px 14px; max-width: 85%; white-space: pre-wrap; overflow-wrap: anywhere; }
.files { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 6px; justify-content: flex-end; }
.files img { max-width: 160px; max-height: 120px; border-radius: 8px; border: 1px solid var(--line); display: block; }
.file-chip { display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--line); background: var(--surface); border-radius: 8px; padding: 6px 10px; font-size: 13px; text-decoration: none; color: var(--ink); }
.file-chip:hover { border-color: var(--gold); }
.file-chip .x { background: none; border: 0; color: var(--muted); cursor: pointer; padding: 0 0 0 4px; }

.assistant { display: grid; gap: 8px; }
.md { overflow-wrap: anywhere; }
.md > :first-child { margin-top: 0; } .md > :last-child { margin-bottom: 0; }
.md h1, .md h2, .md h3 { font-family: var(--sans); line-height: 1.3; margin: 1em 0 .4em; }
.md h1 { font-size: 1.3em; } .md h2 { font-size: 1.15em; } .md h3 { font-size: 1.02em; }
.md p { margin: .5em 0; }
.md table { border-collapse: collapse; display: block; overflow-x: auto; max-width: 100%; font-size: 14px; margin: .6em 0; }
.md th, .md td { border: 1px solid var(--line); padding: 5px 10px; text-align: left; vertical-align: top; }
.md th { background: var(--surface-2); }
.md code { background: var(--surface-2); padding: 1px 5px; border-radius: 5px; font-size: .9em; }
.md pre { background: var(--surface); border: 1px solid var(--line); padding: 12px; border-radius: 10px; overflow-x: auto; }
.md pre code { background: none; padding: 0; }
.md ul, .md ol { padding-left: 1.3em; }
.md blockquote { border-left: 3px solid var(--gold); margin: .6em 0; padding: 0 12px; color: var(--ink-2); }

.steps { display: grid; gap: 4px; }
.step { font-size: 13px; color: var(--muted); display: flex; gap: 8px; align-items: baseline; overflow-wrap: anywhere; }
.step::before { content: '◆'; color: var(--gold); font-size: 9px; flex: none; transform: translateY(-1px); }
.step.err::before { color: var(--bad); }
.step.run::before { content: ''; width: 10px; height: 10px; border: 2px solid var(--gold); border-right-color: transparent; border-radius: 50%; animation: spin .8s linear infinite; align-self: center; }
@keyframes spin { to { transform: rotate(360deg); } }
details.think { font-size: 13px; color: var(--muted); }
details.think summary { cursor: pointer; list-style: none; }
details.think summary::before { content: '› '; }
details.think[open] summary::before { content: '⌄ '; }
details.think div { white-space: pre-wrap; padding: 6px 0 0 14px; border-left: 2px solid var(--line); margin: 4px 0 0 4px; }

.card { border: 1px solid var(--line); background: var(--surface); border-radius: var(--r); padding: 12px 14px; }
.approval { border-color: var(--gold); box-shadow: 0 0 0 3px rgba(201,169,97,.12); }
.approval .head { display: flex; gap: 8px; align-items: center; font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--gold-2); font-weight: 600; }
.approval .sum { font-size: 15px; margin: 6px 0; }
.approval .req { font: 12.5px/1.5 ui-monospace, Consolas, monospace; color: var(--ink-2); overflow-wrap: anywhere; }
.approval details { margin-top: 6px; font-size: 13px; }
.approval details pre { font: 12px/1.45 ui-monospace, Consolas, monospace; background: var(--bg-2); padding: 10px; border-radius: 8px; overflow: auto; max-height: 260px; margin: 6px 0 0; }
.approval .row { display: flex; gap: 8px; margin-top: 10px; flex-wrap: wrap; }
.approval .state { font-size: 13px; margin-top: 8px; }
.state.done { color: var(--ok); } .state.declined { color: var(--muted); } .state.error { color: var(--bad); }
.art-card { display: flex; align-items: center; gap: 12px; cursor: pointer; text-align: left; width: 100%; color: var(--ink); }
.art-card:hover { border-color: var(--gold); }
.art-card .ic { width: 38px; height: 38px; border-radius: 9px; background: var(--surface-2); display: grid; place-items: center; color: var(--gold-2); font: 600 11px var(--sans); text-transform: uppercase; flex: none; }
.art-card .meta { font-size: 12px; color: var(--muted); }
.notice { font-size: 13px; color: var(--warn); }
.err-box { color: var(--bad); font-size: 14px; }

/* composer */
.composer { padding: 8px 20px 16px; padding-bottom: max(16px, env(safe-area-inset-bottom)); }
.composer > * { max-width: 780px; margin-left: auto; margin-right: auto; }
.attach-list { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 6px; }
.composer-box { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 10px 10px 8px 14px; box-shadow: var(--shadow); }
.composer-box:focus-within { border-color: var(--gold); }
#input { width: 100%; resize: none; border: 0; background: none; outline: none; font-size: 16px; max-height: 40vh; padding: 4px 0; }
.composer-row { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.composer-row .left { display: flex; align-items: center; gap: 2px; flex-wrap: wrap; }
.toggle { display: inline-flex; align-items: center; gap: 5px; font-size: 13px; color: var(--muted); padding: 0 8px; cursor: pointer; min-height: 40px; }
.toggle input { accent-color: var(--gold); }
.send { min-width: 76px; }
.toggle .short { display: none; }
.send.stop { background: var(--bad); border-color: var(--bad); color: #fff; }

/* side panel */
.panel { border-left: 1px solid var(--line); background: var(--bg-2); display: flex; flex-direction: column; min-width: 0; min-height: 0; }
.panel-head { display: flex; align-items: center; gap: 8px; padding: 10px 12px 10px 16px; border-bottom: 1px solid var(--line); min-height: 56px; }
.panel-head h3 { flex: 1; margin: 0; font: 500 15px/1.3 var(--sans); overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.panel-actions { display: flex; gap: 6px; }
.panel-body { flex: 1; overflow: auto; min-height: 0; }
.panel-body iframe { width: 100%; height: 100%; border: 0; background: #fff; display: block; }
.pad { padding: 14px 16px; }
.nb-section h4 { margin: 4px 0 8px; font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.nb-add { display: flex; gap: 6px; margin-bottom: 10px; }
.nb-add input { flex: 1; min-width: 0; padding: 8px 10px; border-radius: 9px; border: 1px solid var(--line); background: var(--surface); font-size: 14px; }
.nb-add input[type=datetime-local] { flex: 0 0 auto; width: 190px; }
.nb-item { display: flex; gap: 8px; align-items: flex-start; padding: 8px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
.nb-item .txt { flex: 1; overflow-wrap: anywhere; }
.nb-item.done .txt { text-decoration: line-through; color: var(--muted); }
.nb-item .due { font-size: 12px; color: var(--muted); }
.nb-item .due.late { color: var(--bad); }
.nb-item button { background: none; border: 0; color: var(--muted); cursor: pointer; }
.nb-item input { accent-color: var(--gold); margin-top: 4px; }
.lib-item { display: block; width: 100%; text-align: left; background: none; border: 0; border-bottom: 1px solid var(--line); padding: 10px 0; cursor: pointer; color: var(--ink); }
.lib-item:hover .t { color: var(--gold-2); }
.lib-item .meta { font-size: 12px; color: var(--muted); }

.scrim { display: none; }
@media (max-width: 1100px) {
  .shell.with-panel { grid-template-columns: 272px minmax(0, 1fr); }
  .panel { position: fixed; inset: 0 0 0 auto; width: min(560px, 100%); z-index: 30; box-shadow: var(--shadow); }
}
@media (max-width: 760px) {
  .shell, .shell.with-panel { grid-template-columns: minmax(0, 1fr); }
  .sidebar { position: fixed; inset: 0 auto 0 0; width: min(300px, 86vw); z-index: 25; transform: translateX(-100%); transition: transform .2s ease; }
  .sidebar.open { transform: none; box-shadow: var(--shadow); }
  .scrim { display: block; position: fixed; inset: 0; background: rgba(0,0,0,.45); z-index: 20; }
  .only-mobile { display: inline-grid; }
  .topbar { padding: 8px 10px; }
  .thread { padding: 16px 16px 8px; }
  .composer { padding: 6px 10px 10px; }
  .toggle { padding: 0 5px; font-size: 12px; }
  .toggle .long { display: none; } .toggle .short { display: inline; }
  .icon-btn { width: 36px; }
  .bubble { max-width: 92%; }
  .panel { width: 100%; }
}
.nb-section.gap { margin-top: 24px; }
.hint { font-size: 13px; margin: 0 0 8px; }