:root {
    --ink: #1E2A32; --ink2: #56636A; --ink3: #8A959A;
    --bg: #F4F5F3; --surface: #FFFFFF; --line: #E2E6E3; --line2: #EEF1EF;
    --acc: #0E7C66; --acc-2: #0B6553; --acc-soft: #E3F2EE;
    --ok: #1F8A4C; --warn: #B26A00; --warn-soft: #FFF4E0; --danger: #C2362B; --danger-soft: #FDECEA;
    --side: #1E2A32; --side-ink: #C9D2D5;
    --r: 12px;
    font: 14.5px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; background: var(--bg); color: var(--ink); -webkit-font-smoothing: antialiased; }
a { color: var(--acc); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 24px; line-height: 1.25; margin: 0; letter-spacing: -.01em; }
h2 { font-size: 17px; margin: 0 0 4px; }
h3 { font-size: 15px; margin: 0 0 6px; }
p { margin: 0 0 10px; }
code, .mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 13px; }
:focus-visible { outline: 2px solid var(--acc); outline-offset: 2px; }

/* layout */
.app { display: grid; grid-template-columns: 232px 1fr; min-height: 100vh; }
.side { background: var(--side); color: var(--side-ink); padding: 20px 14px; position: sticky; top: 0; height: 100vh; display: flex; flex-direction: column; gap: 4px; }
.brand { display: flex; align-items: center; gap: 10px; color: #fff; font-weight: 700; font-size: 15.5px; padding: 4px 10px 18px; }
.brand-mark { width: 30px; height: 30px; border-radius: 9px; background: var(--acc); display: grid; place-items: center; }
.brand-mark svg { width: 18px; height: 18px; }
.side a.nav { display: flex; align-items: center; gap: 10px; padding: 9px 12px; border-radius: 9px; color: var(--side-ink); font-weight: 500; }
.side a.nav svg { width: 18px; height: 18px; opacity: .8; }
.side a.nav:hover { background: rgba(255,255,255,.06); text-decoration: none; color: #fff; }
.side a.nav.on { background: rgba(255,255,255,.1); color: #fff; }
.side .spacer { flex: 1; }
.side .me { font-size: 13px; padding: 10px 12px; border-top: 1px solid rgba(255,255,255,.08); }
.side .me button { color: var(--side-ink); background: none; border: 0; padding: 0; font: inherit; cursor: pointer; text-decoration: underline; }
.main { padding: 28px 36px 60px; min-width: 0; max-width: 1240px; }
.topbar { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 22px; flex-wrap: wrap; }
.topbar .sub { color: var(--ink2); margin-top: 4px; }
.crumbs { font-size: 13px; color: var(--ink3); margin-bottom: 6px; }
.crumbs a { color: var(--ink2); }

/* panels */
.panel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 22px 24px; margin-bottom: 18px; }
.panel > .hd { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; margin-bottom: 14px; }
.panel .hint { color: var(--ink2); font-size: 13.5px; }
.grid { display: grid; gap: 18px; }
.grid.c2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.c3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid.c4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.split { display: grid; grid-template-columns: minmax(0, 1fr) 380px; gap: 22px; align-items: start; }

/* stats */
.stat { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 16px 18px; }
.stat .v { font-size: 26px; font-weight: 700; font-variant-numeric: tabular-nums; letter-spacing: -.02em; }
.stat .l { color: var(--ink2); font-size: 13px; }

/* forms */
.f { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.f > label, .lbl { font-weight: 600; font-size: 13.5px; }
.f .help { color: var(--ink3); font-size: 12.5px; }
input[type=text], input[type=email], input[type=password], input[type=url], input[type=number], input[type=search], select, textarea {
    width: 100%; font: inherit; color: var(--ink); background: #fff; border: 1.5px solid var(--line); border-radius: 9px; padding: 9px 11px; transition: border-color .15s;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--acc); }
textarea { resize: vertical; min-height: 80px; line-height: 1.45; }
input[type=color] { width: 46px; height: 38px; padding: 3px; border: 1.5px solid var(--line); border-radius: 9px; background: #fff; cursor: pointer; }
.row { display: flex; gap: 10px; align-items: center; }
.row > .grow { flex: 1; }
.check { display: flex; gap: 10px; align-items: flex-start; margin-bottom: 12px; cursor: pointer; }
.check input { width: 18px; height: 18px; margin: 2px 0 0; accent-color: var(--acc); flex: none; }
.check b { font-weight: 600; display: block; }
.check span { color: var(--ink2); font-size: 13px; }
.seg { display: inline-flex; background: var(--line2); border-radius: 10px; padding: 3px; gap: 2px; }
.seg label { padding: 6px 12px; border-radius: 8px; cursor: pointer; font-size: 13.5px; font-weight: 600; color: var(--ink2); }
.seg input { display: none; }
.seg input:checked + span { color: var(--ink); }
.seg label:has(input:checked) { background: #fff; color: var(--ink); box-shadow: 0 1px 2px rgba(0,0,0,.08); }
fieldset { border: 0; padding: 0; margin: 0 0 6px; }
legend { font-weight: 700; font-size: 15px; margin-bottom: 12px; padding: 0; }
.sep { height: 1px; background: var(--line); margin: 20px 0; border: 0; }

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font: inherit; font-weight: 600; padding: 9px 16px; border-radius: 9px; border: 1.5px solid transparent; cursor: pointer; background: var(--acc); color: #fff; white-space: nowrap; transition: background .15s, transform .08s; text-decoration: none !important; }
.btn:hover { background: var(--acc-2); }
.btn:active { transform: scale(.98); }
.btn.sec { background: #fff; color: var(--ink); border-color: var(--line); }
.btn.sec:hover { background: var(--line2); }
.btn.ghost { background: transparent; color: var(--acc); padding: 6px 10px; }
.btn.ghost:hover { background: var(--acc-soft); }
.btn.danger { background: #fff; color: var(--danger); border-color: #F2C4BF; }
.btn.danger:hover { background: var(--danger-soft); }
.btn.sm { padding: 6px 11px; font-size: 13px; }
.btn[disabled], .btn.loading { opacity: .6; pointer-events: none; }
.btn svg { width: 16px; height: 16px; }
.actions { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.savebar { position: sticky; bottom: 0; background: linear-gradient(transparent, var(--bg) 30%); padding: 18px 0 4px; display: flex; gap: 10px; align-items: center; }

/* tabs */
.tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--line); margin-bottom: 22px; overflow-x: auto; }
.tabs a { padding: 10px 14px; color: var(--ink2); font-weight: 600; border-bottom: 2px solid transparent; margin-bottom: -1px; white-space: nowrap; }
.tabs a:hover { color: var(--ink); text-decoration: none; }
.tabs a.on { color: var(--ink); border-color: var(--acc); }

/* tables */
.tbl { width: 100%; border-collapse: collapse; }
.tbl th { text-align: left; font-size: 12.5px; color: var(--ink3); font-weight: 600; padding: 8px 10px; border-bottom: 1px solid var(--line); white-space: nowrap; }
.tbl td { padding: 11px 10px; border-bottom: 1px solid var(--line2); vertical-align: top; }
.tbl tr:last-child td { border-bottom: 0; }
.tbl tr.click { cursor: pointer; }
.tbl tr.click:hover td { background: #FAFBFA; }
.tbl .num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.tbl .muted, .muted { color: var(--ink3); }
.tbl .clip { max-width: 420px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.empty { text-align: center; color: var(--ink2); padding: 36px 10px; }

/* badges */
.badge { display: inline-flex; align-items: center; gap: 6px; padding: 2px 9px; border-radius: 999px; font-size: 12.5px; font-weight: 600; background: var(--line2); color: var(--ink2); white-space: nowrap; }
.badge.ok { background: var(--acc-soft); color: var(--ok); }
.badge.warn { background: var(--warn-soft); color: var(--warn); }
.badge.err { background: var(--danger-soft); color: var(--danger); }
.badge.dot::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.note { padding: 12px 14px; border-radius: 10px; background: var(--warn-soft); color: #6B4500; font-size: 13.5px; margin-bottom: 16px; }
.note.ok { background: var(--acc-soft); color: #0A5143; }
.note.err { background: var(--danger-soft); color: #7D2019; }

/* code block */
.code { position: relative; background: #1E2A32; color: #DDE5E2; border-radius: 10px; padding: 16px 18px; font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 13px; white-space: pre-wrap; word-break: break-all; }
.code .btn { position: absolute; top: 10px; right: 10px; }

/* uploads */
.upl { display: flex; gap: 14px; align-items: center; padding: 12px; border: 1.5px dashed var(--line); border-radius: 10px; margin-bottom: 14px; }
.upl .thumb { width: 74px; height: 74px; border-radius: 8px; background: var(--line2) center/contain no-repeat; flex: none; border: 1px solid var(--line); }
.upl .thumb.round { border-radius: 50%; background-size: cover; }
.upl .txt { flex: 1; min-width: 0; }
.upl .txt b { display: block; }
.upl .txt span { color: var(--ink3); font-size: 12.5px; }
.upl input[type=file] { display: none; }

/* import runs */
.run { display: flex; gap: 12px; align-items: center; padding: 10px 0; border-bottom: 1px solid var(--line2); font-size: 13.5px; }
.run:last-child { border: 0; }
.run .when { color: var(--ink3); width: 120px; flex: none; }
.run .msg { flex: 1; min-width: 0; }
.progress { height: 6px; border-radius: 3px; background: var(--line2); overflow: hidden; margin-top: 8px; }
.progress i { display: block; height: 100%; width: 40%; background: var(--acc); border-radius: 3px; animation: prog 1.2s ease-in-out infinite; }
@keyframes prog { 0% { transform: translateX(-100%); } 100% { transform: translateX(250%); } }

/* conversation transcript */
.chat { display: flex; flex-direction: column; gap: 8px; max-width: 760px; }
.chat .m { max-width: 82%; padding: 10px 14px; border-radius: 16px; white-space: pre-wrap; word-wrap: break-word; }
.chat .u { align-self: flex-end; background: var(--acc); color: #fff; border-bottom-right-radius: 5px; }
.chat .b { align-self: flex-start; background: #fff; border: 1px solid var(--line); border-bottom-left-radius: 5px; }
.chat .t { font-size: 11.5px; color: var(--ink3); margin: -4px 6px 4px; }
.chat .t.r { align-self: flex-end; }
.chat details { align-self: flex-start; font-size: 12.5px; color: var(--ink2); background: var(--line2); border-radius: 10px; padding: 6px 10px; max-width: 100%; }
.chat details summary { cursor: pointer; }
.chat details pre { white-space: pre-wrap; word-break: break-word; font-size: 12px; max-height: 320px; overflow: auto; margin: 8px 0 2px; }
.kv { display: grid; grid-template-columns: 130px 1fr; gap: 6px 12px; font-size: 13.5px; }
.kv dt { color: var(--ink3); }
.kv dd { margin: 0; word-break: break-word; }

/* preview */
.preview-box { position: sticky; top: 20px; }
.preview-stage { height: 640px; border-radius: var(--r); border: 1px solid var(--line); background:
    linear-gradient(135deg, #E9ECEA 25%, transparent 25%) -10px 0/20px 20px, linear-gradient(225deg, #E9ECEA 25%, transparent 25%) -10px 0/20px 20px,
    linear-gradient(315deg, #E9ECEA 25%, transparent 25%) 0 0/20px 20px, linear-gradient(45deg, #E9ECEA 25%, #F2F4F2 25%) 0 0/20px 20px; position: relative; overflow: hidden; }
.preview-stage iframe { width: 100%; height: 100%; border: 0; }

/* pagination */
.pager { display: flex; gap: 6px; margin-top: 16px; }
.pager a, .pager span { padding: 6px 11px; border-radius: 8px; border: 1px solid var(--line); background: #fff; color: var(--ink); font-size: 13px; }
.pager span.on { background: var(--ink); color: #fff; border-color: var(--ink); }

/* toast */
.toasts { position: fixed; right: 20px; bottom: 20px; display: flex; flex-direction: column; gap: 8px; z-index: 1000; }
.toast { background: var(--ink); color: #fff; padding: 11px 16px; border-radius: 10px; box-shadow: 0 10px 30px -10px rgba(0,0,0,.4); font-size: 14px; max-width: 380px; animation: tin .3s cubic-bezier(.3,1.3,.5,1); }
.toast.err { background: var(--danger); }
@keyframes tin { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

/* login */
.login { min-height: 100vh; display: grid; place-items: center; padding: 20px; }
.login form { width: 100%; max-width: 380px; background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 30px; }
.login h1 { font-size: 21px; margin-bottom: 4px; }
.login .sub { color: var(--ink2); margin-bottom: 22px; }

@media (max-width: 1100px) { .split { grid-template-columns: 1fr; } .preview-box { position: static; } }
@media (max-width: 860px) {
    .app { grid-template-columns: 1fr; }
    .side { position: static; height: auto; flex-direction: row; flex-wrap: wrap; padding: 10px; }
    .side .brand { padding: 4px 8px; width: 100%; }
    .side .spacer, .side .me { display: none; }
    .main { padding: 20px 16px 50px; }
    .grid.c2, .grid.c3, .grid.c4 { grid-template-columns: 1fr; }
}