:root {
  --navy: #09091c;
  --bg: #f4f3ef;
  --paper: #ffffff;
  --line: rgba(9, 9, 28, 0.1);
  --text: #09091c;
  --muted: #6a6a7c;
  --orange: #ff7101;
  --orange-dim: rgba(255, 113, 1, 0.1);
  --danger: #d6453d;
  --ok: #1f8a5b;
  --radius: 12px;
  --font: "Instrument Sans", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; background: var(--bg); color: var(--text); font-family: var(--font); }
body { letter-spacing: -0.01em; overflow: hidden; }

a { color: inherit; }
button, input, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; }

.shell {
  height: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.top {
  display: flex; align-items: center; gap: 14px;
  flex: 0 0 auto;
}
.logo-mark {
  background: var(--navy);
  border-radius: 8px;
  padding: 8px 10px;
  display: flex;
  align-items: center;
}
.logo { height: 22px; width: auto; display: block; }
.brand-meta { flex: 1; }
.brand-meta p { margin: 0; color: var(--muted); font-size: 13px; }
.who { font-size: 13px; color: var(--muted); }
.ghost {
  background: var(--paper); border: 1px solid var(--line); border-radius: 999px;
  padding: 8px 14px; color: var(--muted);
}
.ghost:hover { border-color: var(--orange); color: var(--text); }

.intro { flex: 0 0 auto; margin: 22px 0 18px; }
h1 { font-size: 28px; font-weight: 560; letter-spacing: -0.04em; margin: 0 0 6px; }
.lede { margin: 0; color: var(--muted); max-width: 40rem; line-height: 1.5; font-size: 14px; }

.tabs {
  display: flex; gap: 4px; flex: 0 0 auto;
  border-bottom: 1px solid var(--line);
}
.tab {
  background: transparent; border: 0; color: var(--muted);
  padding: 10px 2px 12px; margin-right: 20px; border-bottom: 2px solid transparent;
}
.tab.on { color: var(--text); border-bottom-color: var(--orange); }

.workspace {
  flex: 1;
  min-height: 0;
  display: grid;
  grid-template-columns: 100% 0%;
  column-gap: 0;
  align-items: stretch;
  padding-top: 16px;
  overflow: hidden;
  transition: grid-template-columns 0.42s cubic-bezier(0.22, 1, 0.36, 1), column-gap 0.42s cubic-bezier(0.22, 1, 0.36, 1);
}
.workspace.split {
  grid-template-columns: calc(50% - 10px) calc(50% - 10px);
  column-gap: 20px;
}
.workspace[hidden] { display: none; }

.col {
  min-width: 0;
  min-height: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.toolbar { display: flex; gap: 10px; flex-wrap: wrap; flex: 0 0 auto; }
.search {
  flex: 1; min-width: 200px; background: var(--paper); border: 1px solid var(--line);
  border-radius: 999px; padding: 10px 16px; outline: none;
}
.search:focus { border-color: var(--orange); }
.chips { display: flex; gap: 6px; flex-wrap: wrap; flex: 0 0 auto; }
.chip {
  background: var(--paper); border: 1px solid var(--line); border-radius: 999px;
  padding: 6px 11px; font-size: 12px; color: var(--muted);
}
.chip.on { background: var(--orange-dim); border-color: var(--orange); color: var(--text); }

.list {
  flex: 1;
  min-height: 0;
  overflow: auto;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-right: 2px;
}
.row {
  display: grid; grid-template-columns: 1fr auto; gap: 12px; align-items: start;
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 14px 16px; text-align: left; width: 100%; flex: 0 0 auto;
}
.row:hover { border-color: rgba(255, 113, 1, 0.45); }
.row.on { border-color: var(--orange); background: var(--orange-dim); }
.row.noted:not(.on) { border-left: 3px solid var(--orange); }
.row h3 { margin: 0 0 4px; font-size: 14px; font-weight: 560; }
.row p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.45; }
.badge {
  font-size: 11px; letter-spacing: 0.04em; text-transform: uppercase;
  padding: 4px 8px; border-radius: 999px; background: var(--bg); color: var(--muted);
  white-space: nowrap;
}
.badge.urgent { color: var(--danger); }
.badge.maintenance { color: var(--orange); }
.badge.draft { color: #9a6b12; }
.badge.approved { color: var(--ok); }
.badge.noted { color: var(--orange); background: var(--orange-dim); }
.row-badges { display: flex; flex-direction: column; align-items: flex-end; gap: 6px; }
.when { font-size: 11px; color: var(--muted); white-space: nowrap; }

.panel {
  min-width: 0;
  min-height: 0;
  overflow: auto;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 22px;
  opacity: 0;
  transform: translateX(28px);
  pointer-events: none;
  visibility: hidden;
  transition: opacity 0.28s ease, transform 0.42s cubic-bezier(0.22, 1, 0.36, 1), visibility 0.42s;
}
.workspace.split .panel {
  opacity: 1;
  transform: none;
  pointer-events: auto;
  visibility: visible;
}
.panel-head {
  display: flex; align-items: flex-start; justify-content: space-between; gap: 12px;
}
.panel-head .meta { margin: 0 0 8px; }
.icon-btn {
  flex: 0 0 auto;
  width: 32px; height: 32px; margin: -4px -4px 0 0;
  border: 1px solid var(--line); border-radius: 999px; background: var(--paper);
  color: var(--muted); font-size: 18px; line-height: 1;
}
.icon-btn:hover { color: var(--text); border-color: var(--orange); }
.panel h2 { margin: 0 0 6px; font-size: 20px; font-weight: 560; letter-spacing: -0.03em; }
.meta { color: var(--muted); font-size: 13px; margin: 0 0 12px; }
label { display: block; font-size: 12px; color: var(--muted); margin: 16px 0 8px; }
textarea {
  width: 100%; min-height: 180px; resize: vertical; background: var(--bg);
  border: 1px solid var(--line); border-radius: 12px; padding: 14px; outline: none; line-height: 1.5;
}
textarea:focus { border-color: var(--orange); }
.actions { display: flex; gap: 10px; align-items: center; margin-top: 14px; }
.primary {
  background: var(--orange); color: #1a0b00; border: 0; border-radius: 999px;
  padding: 10px 18px; font-weight: 600;
}
.primary:disabled { opacity: 0.5; cursor: default; }
.flash { font-size: 13px; color: var(--ok); }
.flash.err { color: var(--danger); }
.empty { color: var(--muted); padding: 24px 8px; margin: 0; }

.dl { display: grid; grid-template-columns: 120px 1fr; gap: 8px 16px; font-size: 14px; margin: 0; }
.dl dt { color: var(--muted); }
.dl dd { margin: 0; }

@media (max-width: 860px) {
  body { overflow: auto; }
  .shell { height: auto; min-height: 100%; }
  .workspace {
    grid-template-columns: 100%;
    grid-template-rows: 1fr 0fr;
    overflow: visible;
  }
  .workspace.split {
    grid-template-columns: 100%;
    grid-template-rows: minmax(200px, 38vh) minmax(280px, 1fr);
    column-gap: 0;
    row-gap: 16px;
  }
  .panel { transform: translateY(20px); }
  .workspace.split .panel { transform: none; }
  .list { min-height: 200px; }
}

@media (prefers-reduced-motion: reduce) {
  .workspace, .panel { transition: none; }
}

/* login */
.login-wrap {
  min-height: 100vh; display: grid; place-items: center; padding: 24px;
}
.card {
  width: min(420px, 100%); background: var(--paper); border: 1px solid var(--line);
  border-radius: 20px; padding: 36px 32px;
}
.card .logo-mark { display: inline-flex; margin-bottom: 24px; }
.card h1 { font-size: 26px; margin: 0 0 8px; }
.field { margin: 16px 0; }
.field input {
  width: 100%; background: var(--bg); border: 1px solid var(--line);
  border-radius: 12px; padding: 12px 14px; outline: none;
}
.field input:focus { border-color: var(--orange); }
.full { width: 100%; margin-top: 8px; }
.hint { margin-top: 18px; font-size: 12px; color: var(--muted); }