:root {
  --bg: #0d1015; --bg2: #141820; --bg3: #1b2029; --line: #262c37; --line2: #323a47;
  --fg: #e6e9ef; --fg2: #a3abb9; --fg3: #6d7686;
  --acc: #46d3b0; --acc2: #2aa98a; --accbg: rgba(70, 211, 176, .12);
  --warn: #f0b44c; --warnbg: rgba(240, 180, 76, .12); --bad: #f2667a; --badbg: rgba(242, 102, 122, .12);
  --ok: #5fd37a; --info: #6aa8ff;
  --r: 10px; --mono: ui-monospace, "JetBrains Mono", "Cascadia Code", Consolas, monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color-scheme: dark;
}
:root[data-theme="light"] {
  --bg: #f4f5f7; --bg2: #ffffff; --bg3: #eef0f4; --line: #dde1e8; --line2: #c9cfd9;
  --fg: #151922; --fg2: #4b5466; --fg3: #7b8496; --accbg: rgba(42, 169, 138, .12); --acc: #1f9c7e;
  color-scheme: light;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; background: var(--bg); color: var(--fg); font: 14px/1.45 var(--sans); }
a { color: var(--acc); text-decoration: none; }
a:hover { text-decoration: underline; }
button, input, select, textarea { font: inherit; color: inherit; }
code, pre, .mono { font-family: var(--mono); font-size: 12.5px; }
pre { white-space: pre-wrap; word-break: break-word; margin: 0; }
h1, h2, h3 { margin: 0 0 12px; font-weight: 650; letter-spacing: -.01em; }
h1 { font-size: 20px; } h2 { font-size: 16px; } h3 { font-size: 14px; color: var(--fg2); text-transform: uppercase; letter-spacing: .06em; font-size: 11.5px; }

/* layout */
#app { display: grid; grid-template-columns: 220px 1fr; height: 100vh; }
nav.side { background: var(--bg2); border-right: 1px solid var(--line); display: flex; flex-direction: column; overflow-y: auto; }
.brand { display: flex; align-items: center; gap: 10px; padding: 18px 18px 14px; font-weight: 700; font-size: 17px; letter-spacing: .02em; }
.brand .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--fg3); box-shadow: 0 0 0 3px var(--bg3); }
.brand .dot.on { background: var(--acc); box-shadow: 0 0 0 3px var(--accbg), 0 0 12px var(--acc); }
.brand small { color: var(--fg3); font-weight: 500; font-size: 11px; margin-left: auto; }
nav.side a.item { display: flex; align-items: center; gap: 10px; padding: 8px 18px; color: var(--fg2); border-left: 2px solid transparent; }
nav.side a.item:hover { background: var(--bg3); color: var(--fg); text-decoration: none; }
nav.side a.item.active { color: var(--fg); background: var(--accbg); border-left-color: var(--acc); }
nav.side a.item .ic { width: 20px; text-align: center; }
nav.side .grow { flex: 1; }
nav.side .foot { padding: 12px 18px; color: var(--fg3); font-size: 12px; display: flex; gap: 8px; align-items: center; }
main { overflow-y: auto; padding: 22px 26px 60px; min-width: 0; }
.page-head { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; flex-wrap: wrap; }
.page-head h1 { margin: 0; }
.page-head .sp { flex: 1; }

/* building blocks */
.card { background: var(--bg2); border: 1px solid var(--line); border-radius: var(--r); padding: 16px; min-width: 0; }
.card + .card { margin-top: 14px; }
.grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
.grid.wide { grid-template-columns: repeat(auto-fill, minmax(420px, 1fr)); }
.grid > .card + .card { margin-top: 0; }
.row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.row.nowrap { flex-wrap: nowrap; }
.col { display: flex; flex-direction: column; gap: 8px; }
.sp { flex: 1; }
.muted { color: var(--fg3); } .small { font-size: 12px; } .ok { color: var(--ok); } .bad { color: var(--bad); } .warn { color: var(--warn); }
.stat { display: flex; flex-direction: column; gap: 2px; }
.stat b { font-size: 22px; font-weight: 650; font-variant-numeric: tabular-nums; }
.stat span { color: var(--fg3); font-size: 12px; }
.stats { display: grid; grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); gap: 12px; }
.bar { height: 6px; border-radius: 3px; background: var(--bg3); overflow: hidden; }
.bar > i { display: block; height: 100%; background: var(--acc); border-radius: 3px; }
.bar.warn > i { background: var(--warn); } .bar.bad > i { background: var(--bad); }
.pill { display: inline-flex; align-items: center; gap: 5px; padding: 1px 8px; border-radius: 99px; font-size: 12px; background: var(--bg3); color: var(--fg2); white-space: nowrap; }
.pill.on { background: var(--accbg); color: var(--acc); } .pill.off { background: var(--badbg); color: var(--bad); } .pill.mid { background: var(--warnbg); color: var(--warn); }
.pill::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.pill.plain::before { display: none; }

button.btn, a.btn { display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px; border-radius: 8px; border: 1px solid var(--line2); background: var(--bg3); cursor: pointer; white-space: nowrap; color: var(--fg); }
button.btn:hover, a.btn:hover { border-color: var(--fg3); text-decoration: none; }
button.btn.pri { background: var(--acc); border-color: var(--acc); color: #062019; font-weight: 600; }
button.btn.pri:hover { background: var(--acc2); }
button.btn.danger { color: var(--bad); border-color: rgba(242, 102, 122, .4); }
button.btn.ghost { background: transparent; border-color: transparent; color: var(--fg2); }
button.btn.ghost:hover { background: var(--bg3); color: var(--fg); }
button.btn.sm { padding: 3px 8px; font-size: 12.5px; border-radius: 6px; }
button.btn:disabled { opacity: .5; cursor: default; }
button.icon { background: none; border: none; cursor: pointer; padding: 4px 6px; border-radius: 6px; color: var(--fg2); }
button.icon:hover { background: var(--bg3); color: var(--fg); }

input.in, select.in, textarea.in { background: var(--bg); border: 1px solid var(--line2); border-radius: 8px; padding: 7px 10px; min-width: 0; outline: none; }
input.in:focus, select.in:focus, textarea.in:focus { border-color: var(--acc); }
textarea.in { resize: vertical; width: 100%; }
label.f { display: flex; flex-direction: column; gap: 4px; font-size: 12.5px; color: var(--fg2); }
label.f > .in { width: 100%; color: var(--fg); font-size: 14px; }
label.chk { display: inline-flex; gap: 8px; align-items: center; cursor: pointer; }
.form { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; }
.form .full { grid-column: 1 / -1; }

table.t { width: 100%; border-collapse: collapse; }
table.t th { text-align: left; font-weight: 600; color: var(--fg3); font-size: 11.5px; text-transform: uppercase; letter-spacing: .05em; padding: 6px 8px; border-bottom: 1px solid var(--line); }
table.t td { padding: 8px; border-bottom: 1px solid var(--line); vertical-align: middle; }
table.t tr:hover td { background: rgba(255, 255, 255, .015); }
.tablewrap { overflow-x: auto; }

.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line); margin-bottom: 14px; overflow-x: auto; }
.tabs button { background: none; border: none; padding: 8px 12px; cursor: pointer; color: var(--fg2); border-bottom: 2px solid transparent; white-space: nowrap; }
.tabs button.active { color: var(--fg); border-bottom-color: var(--acc); }

.log { background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; max-height: 420px; overflow: auto; font-family: var(--mono); font-size: 12px; white-space: pre-wrap; word-break: break-all; }
.empty { color: var(--fg3); padding: 24px; text-align: center; }

/* chat */
.chat-wrap { display: grid; grid-template-columns: 1fr 300px; gap: 16px; height: calc(100vh - 110px); }
.chat { display: flex; flex-direction: column; min-height: 0; background: var(--bg2); border: 1px solid var(--line); border-radius: var(--r); }
.msgs { flex: 1; overflow-y: auto; padding: 18px; display: flex; flex-direction: column; gap: 12px; }
.msg { max-width: 82%; padding: 9px 13px; border-radius: 14px; white-space: pre-wrap; word-wrap: break-word; line-height: 1.5; }
.msg.user { align-self: flex-end; background: var(--accbg); border: 1px solid rgba(70, 211, 176, .25); border-bottom-right-radius: 4px; }
.msg.assistant { align-self: flex-start; background: var(--bg3); border: 1px solid var(--line); border-bottom-left-radius: 4px; }
.msg .meta { display: block; font-size: 11px; color: var(--fg3); margin-top: 4px; }
.msg code { background: rgba(0, 0, 0, .25); padding: 1px 4px; border-radius: 4px; }
.msg pre { background: rgba(0, 0, 0, .3); padding: 8px 10px; border-radius: 8px; margin: 6px 0; overflow-x: auto; }
.msg.typing::after { content: "▍"; animation: blink 1s steps(2) infinite; color: var(--acc); }
@keyframes blink { 50% { opacity: 0; } }
.toolchips { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 6px; }
.toolchip { font-size: 11px; padding: 1px 7px; border-radius: 99px; background: var(--bg); color: var(--fg3); border: 1px solid var(--line); font-family: var(--mono); }
.toolchip.err { color: var(--bad); }
.confirm-box { align-self: flex-start; background: var(--warnbg); border: 1px solid rgba(240, 180, 76, .4); border-radius: 12px; padding: 10px 12px; display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.composer { border-top: 1px solid var(--line); padding: 10px; display: flex; gap: 8px; align-items: flex-end; }
.composer textarea { flex: 1; max-height: 160px; min-height: 40px; }
.mic { width: 42px; height: 42px; border-radius: 50%; border: 1px solid var(--line2); background: var(--bg3); cursor: pointer; font-size: 18px; flex: none; }
.mic.rec { background: var(--bad); border-color: var(--bad); animation: pulse 1.2s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(242, 102, 122, .6); } 100% { box-shadow: 0 0 0 14px rgba(242, 102, 122, 0); } }
.quick { display: flex; gap: 6px; padding: 8px 10px 0; flex-wrap: wrap; }
.quick button { font-size: 12.5px; }

/* files */
.panes { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.pane { display: flex; flex-direction: column; min-height: 520px; }
.pane .path { font-family: var(--mono); font-size: 12px; color: var(--fg2); overflow-x: auto; white-space: nowrap; flex: 1; }
.flist { flex: 1; overflow-y: auto; border: 1px solid var(--line); border-radius: 8px; margin-top: 8px; max-height: 60vh; }
.fitem { display: grid; grid-template-columns: 22px 1fr 80px 110px; gap: 8px; padding: 5px 10px; cursor: pointer; align-items: center; border-bottom: 1px solid var(--line); user-select: none; }
.fitem:hover { background: var(--bg3); }
.fitem.sel { background: var(--accbg); }
.fitem .n { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.fitem .s, .fitem .d { color: var(--fg3); font-size: 12px; text-align: right; }

/* misc */
#toasts { position: fixed; right: 16px; bottom: 16px; display: flex; flex-direction: column; gap: 8px; z-index: 100; max-width: min(420px, calc(100vw - 32px)); }
.toast { background: var(--bg3); border: 1px solid var(--line2); border-left: 3px solid var(--acc); padding: 10px 14px; border-radius: 8px; box-shadow: 0 6px 24px rgba(0, 0, 0, .35); white-space: pre-wrap; word-break: break-word; }
.toast.warn { border-left-color: var(--warn); } .toast.alert, .toast.bad { border-left-color: var(--bad); }
.modal-bg { position: fixed; inset: 0; background: rgba(0, 0, 0, .55); display: flex; align-items: center; justify-content: center; z-index: 50; padding: 16px; }
.modal { background: var(--bg2); border: 1px solid var(--line2); border-radius: 14px; padding: 20px; width: min(640px, 100%); max-height: 90vh; overflow-y: auto; }
.modal.wide { width: min(1000px, 100%); }
.modal .actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 16px; }
.login { max-width: 360px; margin: 14vh auto; }
.ev { display: grid; grid-template-columns: 92px 20px 1fr; gap: 8px; padding: 6px 0; border-bottom: 1px solid var(--line); font-size: 13px; }
.ev .t { color: var(--fg3); font-variant-numeric: tabular-nums; font-size: 12px; }
canvas.spark { width: 100%; height: 70px; display: block; }
.kbd { font-family: var(--mono); background: var(--bg3); border: 1px solid var(--line2); border-radius: 5px; padding: 1px 6px; font-size: 12px; }
.copy { cursor: pointer; }
.sched-day { margin-bottom: 12px; }
.sched-day h3 { margin: 0 0 6px; }
.pair { display: grid; grid-template-columns: 54px 1fr; gap: 10px; padding: 7px 0; border-bottom: 1px dashed var(--line); }
.pair .tm { font-family: var(--mono); color: var(--acc); }
.task { display: flex; gap: 10px; align-items: center; padding: 8px 4px; border-bottom: 1px solid var(--line); }
.task.done .title { text-decoration: line-through; color: var(--fg3); }
.task .title { flex: 1; min-width: 0; }
.mnav { display: none; }

@media (max-width: 900px) {
  #app { grid-template-columns: 1fr; grid-template-rows: 1fr auto; }
  nav.side { display: none; }
  nav.side.open { display: flex; position: fixed; inset: 0 30% 0 0; z-index: 40; box-shadow: 0 0 40px rgba(0, 0, 0, .6); }
  .mnav { display: flex; position: sticky; top: 0; z-index: 30; background: var(--bg2); border-bottom: 1px solid var(--line); padding: 8px 12px; align-items: center; gap: 10px; }
  main { padding: 14px 14px 80px; }
  .chat-wrap { grid-template-columns: 1fr; height: calc(100vh - 120px); }
  .chat-wrap > .side-col { display: none; }
  .panes { grid-template-columns: 1fr; }
  .msg { max-width: 92%; }
  .fitem { grid-template-columns: 22px 1fr 70px; }
  .fitem .d { display: none; }
  .grid.wide { grid-template-columns: 1fr; }
}
.panes > .card + .card { margin-top: 0; }
table.t td.row { display: table-cell; white-space: nowrap; text-align: right; }
table.t td.row > * + * { margin-left: 6px; }