:root {
  --bg: #f3f6f4;
  --panel: #fff;
  --ink: #14201b;
  --muted: #6b7280;
  --line: #e5ebe7;
  --accent: #0d7a56;
  --side: #111827;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: "Noto Sans SC", system-ui, sans-serif;
  color: var(--ink);
  background: var(--bg);
  min-height: 100vh;
}
.hidden { display: none !important; }
.login-view {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(700px 400px at 20% 0%, #c8f0df, transparent 60%),
    var(--bg);
}
.login-card {
  width: 360px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  box-shadow: 0 16px 40px rgba(13,122,86,.08);
}
.login-brand {
  font-family: Outfit, "Noto Sans SC", sans-serif;
  font-size: 24px;
  font-weight: 700;
  color: var(--accent);
}
.login-sub { color: var(--muted); font-size: 13px; margin-bottom: 8px; }
.login-card label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--muted); }
.login-card input, .tools input, .modal-card input, .modal-card textarea, .modal-card select {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 12px;
  font: inherit;
  color: var(--ink);
  background: #fff;
}
.login-card button, .tools button, .primary, .modal-actions button, .side-foot button {
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 10px;
  height: 40px;
  padding: 0 14px;
  cursor: pointer;
  font: inherit;
}
.login-card button, .primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.err { color: #b91c1c; font-size: 13px; min-height: 18px; }

.app { display: flex; min-height: 100vh; }
.side {
  width: 200px;
  background: var(--side);
  color: #e5e7eb;
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}
.side-brand {
  font-family: Outfit, "Noto Sans SC", sans-serif;
  font-weight: 700;
  font-size: 18px;
  padding: 20px 16px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.side nav { padding: 12px 10px; flex: 1; }
.side .nav {
  width: 100%;
  text-align: left;
  border: none;
  background: transparent;
  color: #9ca3af;
  padding: 11px 12px;
  border-radius: 10px;
  cursor: pointer;
  font: inherit;
  margin-bottom: 4px;
}
.side .nav:hover, .side .nav.active { background: rgba(255,255,255,.08); color: #fff; }
.side-foot {
  padding: 14px;
  border-top: 1px solid rgba(255,255,255,.08);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.side-foot a { color: #9ca3af; text-decoration: none; font-size: 13px; }
.side-foot button {
  background: transparent;
  color: #9ca3af;
  border-color: rgba(255,255,255,.15);
  height: 34px;
}

.main { flex: 1; padding: 24px 28px; min-width: 0; }
.main h1 { font-size: 22px; margin-bottom: 16px; }
.head-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 16px; flex-wrap: wrap; }
.head-row h1 { margin: 0; }
.tools { display: flex; gap: 8px; flex-wrap: wrap; }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 12px; }
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px;
}
.card .n { font-size: 28px; font-weight: 700; color: var(--accent); }
.card .l { font-size: 13px; color: var(--muted); margin-top: 4px; }

.table-wrap {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: auto;
}
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { padding: 10px 12px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { background: #f8faf9; color: var(--muted); font-weight: 600; white-space: nowrap; }
td .clip { max-width: 280px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
tr:hover td { background: #fafcfa; }
tr.active td { background: #e8f5ef; }
.ops { display: flex; gap: 6px; flex-wrap: wrap; }
.ops button { height: 30px; padding: 0 8px; font-size: 12px; border-radius: 8px; border: 1px solid var(--line); background: #fff; cursor: pointer; }
.pager { margin-top: 12px; display: flex; gap: 8px; align-items: center; font-size: 13px; color: var(--muted); }
.pager button { height: 32px; }

.split { display: grid; grid-template-columns: 1.1fr .9fr; gap: 12px; }
@media (max-width: 960px) {
  .app { flex-direction: column; }
  .side { width: 100%; }
  .side nav { display: flex; gap: 4px; flex-wrap: wrap; }
  .split { grid-template-columns: 1fr; }
}
.msg-panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px;
  min-height: 320px;
}
.msg-panel h3 { font-size: 15px; margin-bottom: 10px; }
.msg-list { max-height: 520px; overflow: auto; display: flex; flex-direction: column; gap: 10px; }
.msg {
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 13px;
  line-height: 1.55;
  white-space: pre-wrap;
  word-break: break-word;
}
.msg.user { background: #0d7a56; color: #fff; align-self: flex-end; max-width: 90%; }
.msg.assistant { background: #f3f6f4; border: 1px solid var(--line); max-width: 95%; }

.modal {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.35);
  display: flex; align-items: center; justify-content: center;
  z-index: 50; padding: 16px;
}
.modal-card {
  width: min(520px, 100%);
  background: #fff;
  border-radius: 16px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.modal-card h3 { font-size: 17px; }
.modal-card label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--muted); }
.modal-card textarea { min-height: 120px; resize: vertical; }
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 4px; }
.tag { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px; background: #e8f5ef; color: var(--accent); }
.tag.off { background: #f3f4f6; color: #6b7280; }

.settings-tip { color: var(--muted); font-size: 13px; margin: -8px 0 16px; }
.settings-form {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px 18px 8px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 18px;
}
.settings-form .full { grid-column: 1 / -1; }
.settings-form label { display: flex; flex-direction: column; gap: 6px; font-size: 12px; color: var(--muted); }
.settings-form label strong { color: var(--ink); font-size: 13px; font-weight: 600; }
.settings-form input, .settings-form textarea, .settings-form select {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 12px;
  font: inherit;
  color: var(--ink);
  background: #fff;
}
.settings-form textarea { min-height: 110px; resize: vertical; }
@media (max-width: 860px) {
  .settings-form { grid-template-columns: 1fr; }
}