/* startupbox-cms Studio. Layout: models · documents · editor, three columns on desktop, stacked on phones. */
:root {
  --bg: #f4f5f1; --panel: #ffffff; --ink: #19201c; --mute: #637069; --line: #dfe4de; --soft: #eef1ec;
  --accent: #0d7a4e; --accent-l: #e1f2e9; --warn: #9a5a00; --warn-l: #fbf0dc; --bad: #b42318; --bad-l: #fde8e6;
  --focus: #2b6cb0;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --ui: "Source Sans 3", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --display: "Bricolage Grotesque", ui-sans-serif, system-ui, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111513; --panel: #181e1a; --ink: #e5ebe7; --mute: #97a39c; --line: #2a332d; --soft: #1f2722;
    --accent: #52cf98; --accent-l: #163020; --warn: #f0b65c; --warn-l: #33280f; --bad: #ff8a80; --bad-l: #3a1715; --focus: #7fb3ff;
    color-scheme: dark;
  }
}
* { box-sizing: border-box }
html, body { height: 100% }
body { margin: 0; background: var(--bg); color: var(--ink); font: 15px/1.45 var(--ui) }
button, input, select, textarea { font: inherit; color: inherit }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; border-radius: 4px }
header { display: flex; align-items: center; gap: 12px; padding: 10px 18px; border-bottom: 1px solid var(--line); background: var(--panel); position: sticky; top: 0; z-index: 5 }
header .brand { font: 700 16px var(--display); letter-spacing: -.01em }
header .tag { font: 600 11px var(--mono); padding: 3px 8px; border-radius: 999px; background: var(--accent-l); color: var(--accent) }
header .sp { flex: 1 }
header .who { color: var(--mute); font-size: 13px }
.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 9px; overflow: hidden }
.seg button { border: 0; background: none; color: var(--mute); padding: 5px 11px; font-weight: 600; cursor: pointer }
.seg button.on { background: var(--ink); color: var(--panel) }
.btn { border: 1px solid var(--line); background: var(--panel); border-radius: 8px; padding: 6px 12px; font-weight: 600; cursor: pointer; white-space: nowrap }
.btn:hover { border-color: var(--ink) }
.btn.primary { background: var(--ink); color: var(--panel); border-color: var(--ink) }
.btn.go { background: var(--accent); color: var(--panel); border-color: var(--accent) }
.btn.danger { color: var(--bad) }
.btn[disabled] { opacity: .45; cursor: default; border-color: var(--line) }
.btn.small { padding: 3px 8px; font-size: 13px }
main { display: grid; grid-template-columns: 250px 340px minmax(0, 1fr); height: calc(100% - 53px) }
nav, #list, #doc { overflow: auto; min-width: 0 }
nav { padding: 8px; border-right: 1px solid var(--line) }
nav button { display: flex; justify-content: space-between; gap: 8px; width: 100%; border: 0; background: none; text-align: left; padding: 7px 10px; border-radius: 8px; cursor: pointer }
nav button:hover { background: var(--soft) }
nav button.on { background: var(--ink); color: var(--panel) }
nav small { color: var(--mute); font: 12px var(--mono) }
nav button.on small { color: inherit; opacity: .7 }
#list { background: var(--panel); border-right: 1px solid var(--line) }
#list .q { position: sticky; top: 0; background: var(--panel); padding: 10px; border-bottom: 1px solid var(--line); display: flex; gap: 8px }
#list .q input { flex: 1; min-width: 0; padding: 7px 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg) }
.it { display: grid; grid-template-columns: 10px 1fr; gap: 10px; align-items: start; width: 100%; text-align: left; border: 0; border-bottom: 1px solid var(--line); background: none; padding: 10px 12px; cursor: pointer }
.it:hover { background: var(--soft) }
.it.on { background: var(--accent-l) }
.it small { display: block; color: var(--mute); font: 11px var(--mono); margin-top: 2px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap }
.dot { width: 9px; height: 9px; border-radius: 50%; margin-top: 6px; background: var(--accent) }
.dot.draft { background: none; border: 2px solid var(--mute) }
.dot.changed { background: var(--warn) }
#doc { padding: 0 26px 60px }
.dochead { position: sticky; top: 0; background: var(--bg); padding: 18px 0 12px; z-index: 2; display: grid; gap: 8px; border-bottom: 1px solid var(--line); margin-bottom: 8px }
.dochead h1 { font: 700 22px/1.15 var(--display); letter-spacing: -.02em; margin: 0; text-wrap: balance }
.dochead .row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center }
.chip { font: 600 12px var(--mono); padding: 3px 8px; border-radius: 6px; background: var(--soft); color: var(--mute) }
.chip.pub { background: var(--accent-l); color: var(--accent) }
.chip.changed { background: var(--warn-l); color: var(--warn) }
.meta { color: var(--mute); font: 12px var(--mono) }
.f { display: grid; grid-template-columns: 180px minmax(0, 1fr); gap: 14px; padding: 12px 0; border-bottom: 1px solid var(--line) }
.f > label { color: var(--mute); font: 12px var(--mono); padding-top: 7px; overflow-wrap: anywhere }
.f > label b { display: block; color: var(--ink); font: 600 14px var(--ui) }
.f.dirty > label b::after { content: " •"; color: var(--warn) }
.f input[type=text], .f input[type=number], .f input[type=datetime-local], .f input[type=date], .f select, .f textarea { width: 100%; padding: 7px 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel) }
.f textarea { min-height: 80px; resize: vertical; font-family: var(--mono); font-size: 13px }
.f textarea.prose { font-family: var(--ui); font-size: 15px }
.ro { padding-top: 7px; color: var(--mute) }
.rels { display: flex; flex-wrap: wrap; gap: 6px; align-items: center }
.rel { display: inline-flex; align-items: center; gap: 6px; padding: 3px 4px 3px 8px; border-radius: 7px; background: var(--soft); border: 1px solid var(--line); font-size: 13px; max-width: 100% }
.rel span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; cursor: pointer }
.rel img { height: 28px; border-radius: 4px }
.rel button { border: 0; background: none; cursor: pointer; color: var(--mute); padding: 0 4px; font-size: 14px }
.rel button:hover { color: var(--ink) }
.rt { border: 1px solid var(--line); border-radius: 10px; background: var(--panel) }
.rt .tools { display: flex; flex-wrap: wrap; gap: 2px; padding: 5px; border-bottom: 1px solid var(--line); position: sticky; top: 0; background: var(--panel); border-radius: 10px 10px 0 0 }
.rt .tools button { border: 0; background: none; padding: 4px 8px; border-radius: 6px; cursor: pointer; font-weight: 600; min-width: 30px }
.rt .tools button:hover { background: var(--soft) }
.rt .ed { padding: 4px 16px; min-height: 120px; max-height: 520px; overflow: auto; outline: none }
.rt .ed figure { margin: 10px 0; padding: 6px; border: 1px dashed var(--line); border-radius: 8px; display: inline-block; max-width: 100% }
.rt .ed figure img { max-width: 100%; max-height: 260px; display: block }
.rt .ed .embed { font: 12px var(--mono); color: var(--mute) }
.rt .ed li > div { display: block }
.thumb { max-width: 280px; max-height: 200px; border-radius: 8px; border: 1px solid var(--line); display: block }
.switch { display: inline-flex; align-items: center; gap: 8px; padding-top: 6px; cursor: pointer }
.empty { color: var(--mute); padding: 40px 10px; text-align: center }
.toast { position: fixed; right: 18px; bottom: 18px; background: var(--ink); color: var(--panel); padding: 10px 14px; border-radius: 10px; font-weight: 600; z-index: 20; max-width: 420px }
.toast.bad { background: var(--bad) }
.modal { position: fixed; inset: 0; background: #0006; display: grid; place-items: center; z-index: 15; padding: 16px }
.modal > div { background: var(--panel); border-radius: 14px; width: min(560px, 100%); max-height: 80vh; display: grid; grid-template-rows: auto auto 1fr auto; overflow: hidden; border: 1px solid var(--line) }
.modal h3 { margin: 0; padding: 14px 16px 6px; font: 700 17px var(--display) }
.modal input { margin: 0 16px 10px; padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg) }
.modal .res { overflow: auto; border-top: 1px solid var(--line) }
.modal .foot { display: flex; justify-content: flex-end; gap: 8px; padding: 10px 16px; border-top: 1px solid var(--line) }
.confirm { display: flex; gap: 8px; align-items: center; background: var(--bad-l); color: var(--bad); padding: 8px 10px; border-radius: 8px; font-weight: 600 }
.history { margin-top: 24px; font-size: 13px; color: var(--mute) }
.history li { margin: 2px 0 }
.loc { display: inline-flex; gap: 4px }
@media (max-width: 900px) {
  main { grid-template-columns: 1fr; height: auto }
  nav, #list { border-right: 0; border-bottom: 1px solid var(--line); max-height: 40vh }
  .f { grid-template-columns: 1fr; gap: 4px }
  #doc { padding: 0 16px 40px }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important } }