/* 栖 · 个人助手 —— 视觉体系沿用 v0.3「Agent Studio」：墨绿 + 暖白 + 衬线点缀。
   结构与类名保持 v0.5 的功能契约不变，仅替换外观层。
   Light-only：v0.3 没有深色模式，这里显式声明，避免系统深色偏好改变观感。 */

:root {
  color-scheme: light;
  font-family: Inter, "Segoe UI", "Microsoft YaHei", sans-serif;
  font-size: 14px;
  font-synthesis: none;

  /* v0.3 tokens */
  --green: #28664d;
  --ink: #22332c;
  --muted: #839088;
  --line: #e5e9e2;
  --bg: #f6f7f4;
  --surface: #ffffff;
  --sidebar-bg: #fbfcf9;
  --panel-2: #f5f7f1;
  --chip: #f1f4eb;
  --accent-soft: #e9efe6;
  --accent-ink: #28543d;
  --green-soft: #eff6eb;
  --green-ink: #5b966b;
  --warn-soft: #faf7eb;
  --warn-line: #e6dfc4;
  --warn-ink: #9c8450;
  --danger: #9e7663;
  --danger-soft: #fbf1ee;
  --danger-line: #ecd9d2;
  --radius: 9px;
  --radius-lg: 10px;
  --shadow: 0 1px 2px rgba(34, 51, 44, .04);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: inherit;
  font-size: 14px;
  line-height: 1.7;
}

[hidden] { display: none !important; }
.muted { color: var(--muted); }
.small { font-size: 12.5px; }
.error { color: var(--danger); min-height: 1.2em; margin: 4px 0 0; }

h1 { font-size: 31px; font-weight: 550; letter-spacing: 1px; margin: 0 0 12px; }
h2 { font-size: 20px; font-weight: 550; letter-spacing: .5px; }
h3 { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 1.6px; color: var(--muted); margin: 0; }
h4 { font-size: 13px; font-weight: 600; margin: 0; }
p { line-height: 1.7; }

button, input, select, textarea { font: inherit; color: inherit; }
button, input, select, textarea { outline-offset: 4px; }
button { cursor: pointer; }
button:disabled { opacity: .5; cursor: wait; }
button {
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--accent-ink);
  border-radius: 7px;
  padding: 8px 13px;
  font-size: 12.5px;
  transition: background .15s;
}
button:hover { background: var(--panel-2); border-color: #dce4d6; }
button.primary { background: var(--green); border-color: var(--green); color: #fff; }
button.primary:hover { filter: brightness(.96); }
button.ghost { background: transparent; border-color: transparent; color: var(--muted); }
button.ghost:hover { background: var(--chip); color: var(--accent-ink); }
button.danger { background: var(--danger-soft); border-color: var(--danger-line); color: var(--danger); }
button.danger:hover { filter: brightness(.98); }
button.block { width: 100%; }
button.small { padding: 4px 9px; font-size: 11.5px; }

input, select, textarea {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 9px 11px;
  width: 100%;
  color: var(--ink);
  font-size: 12.5px;
}
input::placeholder, textarea::placeholder { color: #a5b098; }
textarea { resize: vertical; line-height: 1.8; }
input:focus-visible, select:focus-visible, textarea:focus-visible, button:focus-visible {
  outline: none;
  border-color: #a9c3a2;
}
button:focus-visible { outline: 2px solid var(--green); outline-offset: 2px; }

/* ---------------------------------------------------------------- auth screen */
.auth-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}
.auth-card {
  width: min(440px, 100%);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 28px;
  display: grid;
  gap: 12px;
}
.auth-card h1 { margin: 0; }
.auth-card label { display: grid; gap: 5px; font-size: 12.5px; color: var(--muted); }

/* --------------------------------------------------------------------- shell */
.shell {
  display: grid;
  grid-template-columns: 242px minmax(0, 1fr) 340px;
  height: 100vh;
}
.shell.no-details { grid-template-columns: 242px minmax(0, 1fr); }
.shell.no-details .details { display: none; }

.sidebar {
  background: var(--sidebar-bg);
  border-right: 1px solid var(--line);
  padding: 24px 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 13px;
  min-height: 0;
  overflow: hidden;
}
.brand { display: flex; align-items: center; gap: 11px; padding: 0 6px; }
.brand-mark {
  width: 43px; height: 43px; flex: 0 0 43px;
  display: grid; place-items: center;
  background: var(--green); color: #fff;
  border-radius: 13px;
  font-family: Georgia, "Microsoft YaHei", serif;
  font-size: 26px; font-weight: 400;
}
.brand strong { display: block; font-size: 17px; font-weight: 650; letter-spacing: .3px; }
.brand .small { font-size: 11px; }
.sidebar .block.primary { border-radius: 7px; padding: 10px 13px; }

.conversation-list {
  list-style: none; margin: 0; padding: 0; overflow-y: auto; flex: 1; min-height: 0;
  display: flex; flex-direction: column; gap: 3px;
}
.conversation-list li {
  border: 1px solid transparent; border-radius: 8px; padding: 8px 11px; cursor: pointer;
}
.conversation-list li:hover { background: #f2f5ee; }
.conversation-list li.active { background: var(--accent-soft); color: var(--accent-ink); }
.conversation-list .conv-title {
  display: block; font-size: 13px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.conversation-list li.active .conv-title { font-weight: 600; }
.conversation-list .conv-meta { display: block; font-size: 10px; color: #9aa296; margin-top: 3px; }
.conversation-list .running-dot { color: var(--green); font-weight: 700; }
.search-row { display: grid; }
.search-row input { padding: 7px 10px; font-size: 12px; background: #fcfdfa; }

.side-nav { display: grid; gap: 2px; }
.side-nav button {
  border: 0; background: transparent; border-radius: 8px;
  text-align: left; padding: 10px 12px; font-size: 12.5px; color: #738078;
}
.side-nav button:hover { background: #f1f4ec; color: var(--accent-ink); }

.sidebar > button.ghost { text-align: left; font-size: 11.5px; border-top: 1px solid var(--line); border-radius: 0; padding: 14px 4px 2px; }
.sidebar > button.ghost:hover { background: transparent; color: var(--accent-ink); }

/* ---------------------------------------------------------------------- main */
.main { display: flex; flex-direction: column; min-width: 0; min-height: 0; background: var(--surface); }
.topbar {
  height: 83px;
  flex: 0 0 83px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 0 26px;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
  flex-wrap: wrap;
}
.title-block { flex: 1; min-width: 160px; display: grid; gap: 1px; }
.title-input {
  border: 1px solid transparent; background: transparent;
  font-family: Georgia, "Microsoft YaHei", serif;
  font-size: 19px; letter-spacing: .5px; color: var(--ink);
  padding: 2px 4px; border-radius: 6px;
}
.title-input:hover { border-color: var(--line); }
.title-block .small { font-size: 10px; letter-spacing: .4px; color: #9aa296; }
.top-actions { display: flex; align-items: center; gap: 9px; flex-wrap: wrap; }
.top-actions .inline { display: flex; align-items: center; gap: 6px; font-size: 10px; color: var(--muted); }
.top-actions select, .top-actions input {
  width: auto; min-width: 110px; max-width: 190px;
  padding: 6px 9px; font-size: 11px; color: #60745b; background: #fcfdfa;
}

.banner-stack { display: grid; gap: 8px; padding: 16px 26px 0; }
.banner-stack:empty { padding: 0; }
.banner {
  border: 1px solid var(--warn-line);
  background: var(--warn-soft);
  color: var(--warn-ink);
  border-radius: 7px;
  padding: 12px 16px;
  font-size: 12px;
  display: flex; gap: 10px; align-items: center; flex-wrap: wrap;
}
.banner.warn { background: var(--warn-soft); border-color: var(--warn-line); color: var(--warn-ink); }
.banner.error { background: var(--danger-soft); border-color: var(--danger-line); color: var(--danger); }
.banner.ok { background: var(--green-soft); border-color: #dfe9d8; color: var(--accent-ink); }
.banner button { margin-left: auto; }

/* ------------------------------------------------------------------ messages */
.messages { flex: 1; overflow-y: auto; padding: 26px 26px 10px; display: flex; flex-direction: column; gap: 20px; }
.msg { display: flex; gap: 10px; max-width: 860px; }
.msg .avatar {
  width: 24px; height: 24px; flex: 0 0 24px; border-radius: 7px;
  display: grid; place-items: center;
  background: #eff1e9; color: #7c8b6f;
  font-family: Georgia, serif; font-size: 12px;
}
.msg.user { align-self: flex-end; flex-direction: row-reverse; }
.msg.user .avatar { background: var(--green); color: #fff; }
.msg .body {
  border: 1px solid transparent;
  background: #f5f7f1;
  border-radius: 0 9px 9px 9px;
  padding: 11px 15px;
  font-size: 13px; line-height: 1.8; color: var(--ink);
  white-space: pre-wrap; word-break: break-word;
  overflow-wrap: anywhere;
}
.msg.user .body { background: #edf4e7; color: #45613b; border-radius: 9px 0 9px 9px; }
.msg.tool .body { background: #fcfdf9; border: 1px dashed #e0e7da; color: #6f8069; font-size: 12.5px; }
.msg.error .body { background: var(--danger-soft); border-color: var(--danger-line); color: var(--danger); }
.msg .meta { font-size: 10px; color: #8b9a80; margin-top: 7px; display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.msg.pending .body::after {
  content: "▍"; animation: blink 1s steps(2, start) infinite; color: var(--green); margin-left: 2px;
}
@keyframes blink { to { visibility: hidden; } }

.tool-chip {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 11px; color: #718367;
  border: 1px solid #dce5d9; border-radius: 5px;
  padding: 3px 8px; background: var(--chip);
}
.tool-chip .dot { width: 5px; height: 5px; border-radius: 50%; background: #b3bfae; flex-shrink: 0; }
.tool-chip.ok .dot { background: #6e9d70; }
.tool-chip.error .dot, .tool-chip.denied .dot { background: #c08a76; }
.tool-chip.timeout .dot { background: #cdaa6a; }

/* ------------------------------------------------------------------ composer */
.composer {
  border-top: 1px solid var(--line);
  padding: 14px 26px 16px;
  background: var(--surface);
  display: grid; gap: 9px;
}
.composer textarea {
  border: 1px solid #dfe7d8; border-radius: 8px; background: #fdfefa;
  padding: 11px 13px; min-height: 46px; max-height: 160px; font-size: 12.5px;
}
.composer-actions { display: flex; align-items: center; gap: 10px; }
.composer-actions #send { min-width: 92px; }
.composer-actions .small { font-size: 10px; color: #a0ac93; }

/* --------------------------------------------------------------- empty state */
.empty-state {
  margin: 28px 26px;
  padding: 22px 24px;
  border: 1px dashed var(--line);
  border-radius: 12px;
  background: #fbfcf8;
  display: grid;
  gap: 8px;
  max-width: 620px;
}
.empty-state p { margin: 0; }
.empty-state p:first-child { font-size: 14px; font-weight: 600; color: var(--accent-ink); }
.empty-state p.small { font-size: 12px; line-height: 1.7; }

/* ------------------------------------------------------------------- details */
.details {
  border-left: 1px solid var(--line);
  background: var(--sidebar-bg);
  display: flex; flex-direction: column; min-height: 0;
}
.details-head {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  min-height: 60px; padding: 0 18px;
  border-bottom: 1px solid #eef0eb;
}
.details-head strong { font-size: 12px; font-weight: 600; }
/* The header toggle is the user's only way back to a collapsed panel, so it keeps a
   pressed/unpressed appearance and a visible focus ring for keyboard use. */
#details-toggle { font-size: 11.5px; }
#details-toggle[aria-expanded="true"] { border-color: var(--accent-soft); background: var(--accent-soft); color: var(--accent-ink); }
#details-toggle:focus-visible, .top-actions button:focus-visible { outline: 2px solid var(--green); outline-offset: 2px; }
.details-body { overflow-y: auto; padding: 18px; font-size: 12.5px; display: grid; gap: 16px; align-content: start; }
.kv { display: grid; grid-template-columns: auto 1fr; gap: 5px 12px; margin: 0; }
.kv dt { color: var(--muted); font-size: 12px; }
.kv dd { margin: 0; word-break: break-word; color: #52685b; }
.timeline { display: grid; gap: 8px; }
.timeline .ev {
  border-top: 1px solid #f0f3eb;
  padding: 9px 0 9px 9px;
  border-left: 2px solid var(--line);
  font-size: 11.5px; color: #748368;
  overflow-wrap: anywhere;
}
.timeline .ev.tool_result { border-left-color: #6e9d70; }
.timeline .ev.error { border-left-color: #c08a76; color: var(--danger); }
.timeline .ev.status { border-left-color: var(--green); }
pre.code {
  background: #f5f7f4; border: 1px solid var(--line); border-radius: 6px;
  padding: 12px; margin: 0; overflow-x: auto;
  font: 12px/1.6 "Cascadia Mono", Consolas, monospace;
  white-space: pre-wrap; word-break: break-word; color: #52685b;
}

/* -------------------------------------------------------------------- drawer */
.drawer {
  position: fixed; inset: 0; z-index: 20;
  background: #22332c55;
  display: grid; place-items: center; padding: 24px;
}
.drawer-panel {
  background: var(--surface);
  border: 1px solid #dce5d4;
  border-radius: 12px;
  width: min(760px, 100%); max-height: 86vh;
  display: flex; flex-direction: column;
  overflow: hidden;
}
.drawer-head {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  min-height: 60px; padding: 0 22px;
  border-bottom: 1px solid #eef0eb;
}
.drawer-head h2 { margin: 0; font-size: 17px; font-weight: 550; letter-spacing: .5px; }
.drawer-body { overflow-y: auto; padding: 20px 22px; display: grid; gap: 16px; align-content: start; }

.card {
  border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 16px; background: var(--surface);
  display: grid; gap: 10px;
}
.card h4 { font-size: 13px; }
.row { display: flex; gap: 9px; align-items: center; flex-wrap: wrap; }
.grid { display: grid; gap: 12px; }
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 12px; }
label.field { display: grid; gap: 5px; font-size: 11px; color: var(--muted); }
label.field > span:first-child { letter-spacing: .3px; }
label.check { display: flex; align-items: center; gap: 8px; font-size: 12.5px; color: #52685b; }
label.check input { width: auto; accent-color: var(--green); }

table.list { width: 100%; border-collapse: collapse; font-size: 11.5px; }
table.list th, table.list td { text-align: left; padding: 13px 14px; border-top: 1px solid #eef2e7; vertical-align: top; }
table.list th { background: #f9fbf5; color: #96a588; font-weight: 400; border-top: 0; }
table.list td { color: #76866a; }

.badge {
  display: inline-block;
  border: 1px solid #dce5d9; background: var(--chip); color: #718367;
  border-radius: 5px; padding: 2px 7px; font-size: 10px;
}
.badge.ok { border-color: #dfe9d8; background: var(--green-soft); color: var(--green-ink); }
.badge.error { border-color: var(--danger-line); background: var(--danger-soft); color: var(--danger); }
.badge.warn { border-color: var(--warn-line); background: var(--warn-soft); color: var(--warn-ink); }

/* Automation centre and inbox */
.side-nav button { display: flex; align-items: center; gap: 8px; }
.nav-badge {
  margin-left: auto;
  min-width: 18px;
  padding: 1px 6px;
  border-radius: 9px;
  background: var(--green);
  color: #fff;
  font-size: 10px;
  text-align: center;
  line-height: 16px;
}
.card.unread { border-left: 3px solid var(--green); }
.card .row + .row { margin-top: 6px; }
.card pre.code { max-height: 220px; overflow: auto; }
.card select { padding: 7px 9px; font: inherit; font-size: 12.5px; }
.card .field { display: grid; gap: 5px; font-size: 12.5px; color: var(--muted); }

@media (max-width: 1250px) {
  .shell, .shell.no-details { grid-template-columns: 220px minmax(0, 1fr); }
  .details { display: none; }
}
@media (max-width: 900px) {
  .shell, .shell.no-details { grid-template-columns: minmax(0, 1fr); }
  .sidebar { display: none; }
  .topbar { height: auto; padding: 14px 16px; }
  .messages, .banner-stack, .composer { padding-left: 16px; padding-right: 16px; }
}

/* ---------------------------------------------------- secretary layout (v0.9) */
/* A single grid cell holds either the conversation shell or a secretary page, so the
   details panel and the drawer keep their position on every view. */
.content { display: flex; min-width: 0; min-height: 0; }
.content > .main { flex: 1 1 auto; }

.primary-nav { display: grid; gap: 2px; }
.primary-nav button {
  border: 0; background: transparent; border-radius: 8px;
  text-align: left; padding: 9px 12px; font-size: 13px; color: #5d6b62;
  display: flex; align-items: center; gap: 8px;
}
.primary-nav button:hover { background: #f1f4ec; color: var(--accent-ink); }
.primary-nav button.active {
  background: var(--accent-soft); color: var(--accent-ink); font-weight: 600;
}
.side-nav .nav-label {
  margin: 6px 0 2px; padding: 0 12px; font-size: 10px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 1.6px; color: #a3ada4;
}
.conversation-side { display: grid; gap: 9px; min-height: 0; flex: 1; }

.page-view .topbar { height: 68px; flex: 0 0 68px; }
.page-title { font-size: 19px; font-weight: 550; letter-spacing: .5px; margin: 0; }
.page-body {
  flex: 1; overflow-y: auto; padding: 20px 26px 34px;
  display: grid; gap: 18px; align-content: start;
}
.section { display: grid; gap: 10px; }
.section-head { display: flex; align-items: baseline; gap: 10px; }
.section-head h3 {
  font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 1.6px;
  color: var(--muted); margin: 0;
}
.item-card, .agenda-card, .draft-card, .mail-card { display: grid; gap: 7px; }
.item-card > p, .agenda-card > p, .mail-card > p { margin: 0; }
.item-card pre.code, .draft-card pre.code, .mail-card pre.code {
  margin: 0; max-height: 260px; overflow: auto; white-space: pre-wrap;
}
.field { display: grid; gap: 4px; font-size: 11.5px; color: var(--muted); }
.field input, .field select, .field textarea {
  padding: 7px 10px; font-size: 12.5px; background: #fcfdfa; color: var(--ink);
}
.page-body .card { display: grid; gap: 9px; }