:root {
  color-scheme: light;
  --ink: #15251f;
  --muted: #617069;
  --line: #cfd7d2;
  --paper: #f2f4f1;
  --surface: #ffffff;
  --green: #146b4a;
  --green-dark: #0d4b34;
  --amber: #e7a928;
  --red: #ad342d;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

body {
  margin: 0;
  min-width: 900px;
  color: var(--ink);
  background:
    linear-gradient(rgba(20, 107, 74, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20, 107, 74, 0.035) 1px, transparent 1px),
    var(--paper);
  background-size: 28px 28px;
  font-family: "Microsoft YaHei UI", "Segoe UI", sans-serif;
}

button, input, textarea, select { font: inherit; }
button { cursor: pointer; }
button:disabled { cursor: not-allowed; opacity: 0.45; }

.topbar {
  height: 104px;
  padding: 20px 36px;
  color: white;
  background: var(--ink);
  border-bottom: 5px solid var(--amber);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

h1, h2, h3, p { margin: 0; }
h1 { font-family: Georgia, "Microsoft YaHei UI", serif; font-size: 28px; font-weight: 600; letter-spacing: 0; }
h2 { font-family: Georgia, "Microsoft YaHei UI", serif; font-size: 25px; font-weight: 600; letter-spacing: 0; }
h3 { font-size: 15px; }
.eyebrow, .section-kicker { font-size: 11px; letter-spacing: 0; font-weight: 700; }
.eyebrow { color: #a9c1b6; margin-bottom: 5px; }
.section-kicker { color: var(--green); margin-bottom: 5px; }

.status {
  min-width: 110px;
  max-width: 420px;
  padding: 8px 14px;
  border: 1px solid #587067;
  border-radius: 4px;
  color: #d9e4df;
  text-align: center;
  font-size: 13px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.status[data-tone="busy"] { border-color: var(--amber); color: #ffd985; }
.status[data-tone="success"] { border-color: #62b78f; color: #9fe1bf; }
.status[data-tone="error"] { border-color: #df766e; color: #ffb5ae; }

main { max-width: 1500px; margin: 0 auto; padding: 22px 36px 36px; }
.connection-screen {
  min-height: calc(100vh - 104px);
  display: grid;
  place-items: center;
  padding: 36px;
}
.connection-form {
  width: min(480px, 100%);
  padding: 30px;
  display: grid;
  gap: 18px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-top: 4px solid var(--green);
  box-shadow: 0 18px 45px rgba(21, 37, 31, 0.12);
}
.connection-form h2 { margin-bottom: 6px; }
.connection-form label { display: grid; gap: 7px; }
.connection-form label span { color: var(--muted); font-size: 12px; font-weight: 700; }
.connection-form .button { width: 100%; margin-top: 4px; }
.connection-message { min-height: 20px; color: var(--muted); font-size: 12px; text-align: center; }
.connection-message[data-tone="busy"] { color: #8a6414; }
.connection-message[data-tone="error"] { color: var(--red); }
.connection-band {
  display: grid;
  grid-template-columns: repeat(2, minmax(260px, 1fr));
  gap: 18px;
  padding: 15px 18px;
  background: #e4e9e5;
  border: 1px solid var(--line);
  border-left: 4px solid var(--green);
}
.connection-band label { display: grid; grid-template-columns: 118px 1fr; align-items: center; gap: 10px; }
.connection-band span { font-size: 12px; font-weight: 700; color: var(--muted); }
input, select {
  min-width: 0;
  height: 36px;
  padding: 0 10px;
  border: 1px solid #b9c5be;
  border-radius: 3px;
  background: white;
  color: var(--ink);
  outline: none;
}
input:focus, select:focus, textarea:focus { border-color: var(--green); box-shadow: 0 0 0 2px rgba(20, 107, 74, 0.12); }

.tabs { display: flex; gap: 0; margin-top: 22px; border-bottom: 1px solid var(--line); }
.tab {
  min-width: 132px;
  padding: 12px 20px;
  border: 0;
  border-bottom: 3px solid transparent;
  background: transparent;
  color: var(--muted);
  font-weight: 700;
}
.tab.active { color: var(--green-dark); border-bottom-color: var(--green); }

.panel { display: none; padding-top: 22px; }
.panel.active { display: block; animation: reveal 180ms ease-out; }
@keyframes reveal { from { opacity: 0; transform: translateY(5px); } to { opacity: 1; transform: translateY(0); } }
.panel-head { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 16px; }
.actions { display: flex; gap: 8px; }
.button {
  height: 38px;
  padding: 0 16px;
  border-radius: 3px;
  border: 1px solid transparent;
  font-weight: 700;
}
.button.primary { color: white; background: var(--green); border-color: var(--green); }
.button.primary:hover { background: var(--green-dark); }
.button.secondary { color: var(--ink); background: white; border-color: #aebbb4; }
.button.secondary:hover { border-color: var(--green); color: var(--green); }
.button.danger { color: var(--red); background: white; border-color: #d5a7a3; }
.button.danger:hover { color: white; background: var(--red); border-color: var(--red); }
.button.icon { width: 38px; padding: 0; background: white; border-color: #aebbb4; font-size: 19px; }
.plot-actions { display: flex; gap: 6px; }
.button.full { width: 100%; margin-top: 10px; }
.review-actions { display: flex; align-items: center; gap: 8px; }
.review-actions span { max-width: 320px; color: var(--muted); font-size: 12px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.plot-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.plot-item { min-width: 0; }
.plot-title {
  min-height: 54px;
  padding: 9px 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-bottom: 0;
}
.plot-title div { display: grid; gap: 3px; }
.plot-title span { color: var(--green); font-size: 11px; font-weight: 700; }
.plot-title strong { font-size: 15px; }
.plot-stage {
  height: calc(100vh - 405px);
  min-height: 300px;
  max-height: 620px;
  display: grid;
  place-items: center;
  overflow: auto;
  background-color: #dce2de;
  background-image: linear-gradient(45deg, #d3dad5 25%, transparent 25%), linear-gradient(-45deg, #d3dad5 25%, transparent 25%), linear-gradient(45deg, transparent 75%, #d3dad5 75%), linear-gradient(-45deg, transparent 75%, #d3dad5 75%);
  background-size: 20px 20px;
  background-position: 0 0, 0 10px, 10px -10px, -10px 0;
  border: 1px solid #bdc8c1;
}
.plot-stage img { display: block; max-width: 100%; max-height: 100%; object-fit: contain; background: white; }
.empty-state { display: grid; gap: 7px; text-align: center; color: var(--muted); }
.empty-state strong { color: var(--ink); font-size: 18px; }
.empty-state span { font-size: 13px; }
.plot-meta { min-height: 29px; display: flex; align-items: start; justify-content: space-between; gap: 24px; }
.file-path { min-height: 20px; margin-top: 9px; color: var(--muted); font: 12px Consolas, monospace; overflow-wrap: anywhere; }
.upload-time { flex: 0 0 auto; margin-top: 9px; color: var(--green-dark); font-size: 12px; font-weight: 700; }

.segmented { display: flex; padding: 3px; background: #dfe5e1; border: 1px solid #c6d0ca; border-radius: 4px; }
.segment { height: 34px; padding: 0 16px; border: 0; border-radius: 3px; background: transparent; color: var(--muted); font-weight: 700; }
.segment.active { background: white; color: var(--green-dark); box-shadow: 0 1px 3px rgba(21, 37, 31, 0.14); }
.editor-layout { display: grid; grid-template-columns: minmax(0, 1fr) 270px; gap: 18px; }
.editor-column, .publish-aside { background: var(--surface); border: 1px solid var(--line); }
.editor-toolbar { height: 46px; padding: 0 14px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); font-size: 13px; font-weight: 700; }
.text-button { border: 0; background: transparent; color: var(--green); font-size: 13px; font-weight: 700; }
textarea {
  display: block;
  width: calc(100% - 28px);
  height: calc(100vh - 385px);
  min-height: 330px;
  margin: 14px;
  padding: 16px;
  resize: vertical;
  border: 1px solid #bec9c2;
  border-radius: 3px;
  background: #f8faf8;
  color: #18392d;
  font: 14px/1.65 Consolas, "Microsoft YaHei UI", monospace;
  tab-size: 2;
  outline: none;
}
.editor-column > .file-path { padding: 0 14px 12px; }
.publish-aside { padding: 20px; align-self: start; }
.publish-aside h3 { padding-bottom: 14px; border-bottom: 1px solid var(--line); }
dl { margin: 8px 0 18px; }
dl div { display: flex; justify-content: space-between; gap: 12px; padding: 10px 0; border-bottom: 1px solid #e6ebe8; font-size: 12px; }
dt { color: var(--muted); }
dd { margin: 0; text-align: right; font-weight: 700; }
.result { min-height: 42px; margin-top: 14px; padding: 10px; background: #eef1ef; color: var(--muted); font-size: 12px; line-height: 1.5; overflow-wrap: anywhere; }
.result[data-tone="success"] { color: var(--green-dark); background: #e2f2e9; }
.result[data-tone="error"] { color: var(--red); background: #f8e7e5; }

.management-layout { display: grid; grid-template-columns: 330px minmax(0, 1fr); gap: 18px; align-items: start; }
.management-layout.equal { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.form-surface, .data-surface { background: var(--surface); border: 1px solid var(--line); }
.form-surface { padding: 20px; display: grid; gap: 14px; }
.form-surface h3 { padding-bottom: 13px; border-bottom: 1px solid var(--line); }
.form-surface label { display: grid; gap: 6px; }
.form-surface label span { color: var(--muted); font-size: 12px; font-weight: 700; }
.form-note { color: var(--muted); font-size: 11px; line-height: 1.6; }
.data-surface { min-width: 0; overflow: auto; }
table { width: 100%; border-collapse: collapse; font-size: 12px; }
th, td { padding: 11px 13px; border-bottom: 1px solid #e4e9e6; text-align: left; vertical-align: middle; }
th { color: var(--muted); background: #edf1ee; font-size: 11px; }
td:last-child { white-space: nowrap; }
.table-action { border: 0; background: transparent; color: var(--green); font-weight: 700; margin-right: 10px; }
.table-action.danger { color: var(--red); }
.empty-row { padding: 30px; color: var(--muted); text-align: center; font-size: 13px; }
.detail-view { margin: 0; padding: 16px; max-height: 260px; overflow: auto; background: #18251f; color: #d9e9df; font: 12px/1.6 Consolas, monospace; white-space: pre-wrap; overflow-wrap: anywhere; }

.lightbox { position: fixed; inset: 0; z-index: 20; padding: 24px; background: rgba(10, 20, 16, 0.78); }
.lightbox-shell { height: 100%; display: grid; grid-template-rows: auto minmax(0, 1fr); background: var(--surface); border: 1px solid #9aa9a1; box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35); }
.lightbox-toolbar { min-height: 58px; padding: 10px 14px; display: flex; align-items: center; justify-content: space-between; gap: 16px; border-bottom: 1px solid var(--line); }
.lightbox-actions { display: flex; align-items: center; gap: 7px; }
.lightbox-canvas { min-width: 0; min-height: 0; display: grid; place-items: center; overflow: auto; padding: 22px; background-color: #dce2de; background-image: linear-gradient(45deg, #d3dad5 25%, transparent 25%), linear-gradient(-45deg, #d3dad5 25%, transparent 25%), linear-gradient(45deg, transparent 75%, #d3dad5 75%), linear-gradient(-45deg, transparent 75%, #d3dad5 75%); background-size: 20px 20px; background-position: 0 0, 0 10px, 10px -10px, -10px 0; }
.lightbox-canvas img { display: block; max-width: none; background: white; }
.lightbox-canvas img.fit-image { max-width: 100%; max-height: 100%; object-fit: contain; }

@media (max-width: 1050px) {
  main { padding-left: 22px; padding-right: 22px; }
  .connection-band { grid-template-columns: 1fr; }
  .plot-grid { grid-template-columns: 1fr; }
  .plot-stage { height: 360px; }
  .editor-layout { grid-template-columns: minmax(0, 1fr) 240px; }
  .management-layout, .management-layout.equal { grid-template-columns: 1fr; }
  .lightbox { padding: 12px; }
  .lightbox-toolbar { align-items: start; flex-direction: column; }
}