:root {
  --bg: #eee3cc;
  --bg-image: url('/public/cp2.jpg');
  --bg-brightness: .7;
  --veil: rgba(238,227,204,.62);
  --card: rgba(255,250,239,.76);
  --card-strong: rgba(255,250,239,.9);
  --text: #2e2418;
  --soft: #715d41;
  --muted: #9a8464;
  --accent: #9d6f3a;
  --gold: #c8983e;
  --rose: #b9777f;
  --moon: #7081ad;
  --border: rgba(157,111,58,.2);
  --shadow: 0 14px 42px rgba(65,44,22,.13);
}

body[data-theme="dark"] {
  --bg: #17120e;
  --bg-image: url('/public/Night_key.jpg');
  --bg-brightness: .5;
  --veil: rgba(12,9,8,.66);
  --card: rgba(32,25,19,.72);
  --card-strong: rgba(38,29,21,.88);
  --text: #ece0c4;
  --soft: #c4b694;
  --muted: #9f8c6d;
  --accent: #d4a35a;
  --gold: #e8c374;
  --rose: #d99aaa;
  --moon: #9aaeea;
  --border: rgba(212,163,90,.2);
  --shadow: 0 16px 46px rgba(0,0,0,.42);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; overflow: hidden; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", -apple-system, sans-serif;
  transition: color .3s, background .3s;
}
button, input, select { font: inherit; }

.pg-bg, .pg-veil { position: fixed; inset: 0; pointer-events: none; }
.pg-bg {
  background: var(--bg-image) center / cover no-repeat;
  filter: brightness(var(--bg-brightness)) saturate(.86);
  transform: scale(1.04);
}
.pg-veil {
  background:
    radial-gradient(circle at 18% 10%, rgba(232,195,116,.18), transparent 34%),
    linear-gradient(180deg, var(--veil), color-mix(in srgb, var(--veil) 84%, transparent));
  backdrop-filter: blur(13px);
}

.pg-app {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 600px;
  height: 100dvh;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
}

.pg-header {
  flex: none;
  min-height: 86px;
  display: grid;
  grid-template-columns: 38px minmax(0,1fr) 36px;
  grid-template-areas: "back heading theme" "select select select";
  align-items: center;
  gap: 7px 10px;
  padding: max(15px, env(safe-area-inset-top)) 18px 12px;
}
.pg-back-btn, .pg-theme-btn {
  width: 36px; height: 36px;
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--text);
  background: var(--card);
  box-shadow: 0 4px 14px rgba(73,49,21,.08);
  cursor: pointer;
}
.pg-back-btn { grid-area: back; font: 300 29px/30px Georgia, serif; }
.pg-theme-btn { grid-area: theme; font-size: 16px; }
.pg-back-btn:active, .pg-theme-btn:active { transform: scale(.94); }
.pg-heading { grid-area: heading; min-width: 0; }
.pg-kicker {
  display: block;
  color: var(--gold);
  font: 600 9px/1.2 "Segoe UI", sans-serif;
  letter-spacing: .2em;
}
.pg-title {
  margin-top: 2px;
  font-family: "Xingkai SC", "STXingkai", "Kaiti SC", "KaiTi", serif;
  font-size: 23px;
  line-height: 1.1;
  font-weight: 500;
  letter-spacing: .08em;
}
.pg-server-select {
  grid-area: select;
  justify-self: end;
  max-width: 180px;
  padding: 4px 24px 4px 9px;
  border: 0;
  color: var(--soft);
  background: transparent;
  font-size: 12px;
  text-align: right;
  outline: none;
  cursor: pointer;
}
.pg-server-select option { color: #31261a; background: #f7edda; }
body[data-theme="dark"] .pg-server-select option { color: #eadfc8; background: #251d16; }

.pg-status-card, .pg-tools-panel, .pg-history-card, .pg-log-item {
  border: 1px solid var(--border);
  background: var(--card);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}
.pg-status-card {
  flex: none;
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 2px 18px 0;
  padding: 13px 15px;
  border-radius: 17px;
}
.pg-status-icon {
  width: 32px; height: 32px;
  display: grid; place-items: center;
  flex: none;
  border-radius: 50%;
  color: var(--gold);
  background: rgba(200,152,62,.1);
  font-size: 20px;
}
.pg-status-info { flex: 1; min-width: 0; }
.pg-status-name { font-size: 14px; font-weight: 600; letter-spacing: .02em; }
.pg-status-detail {
  margin-top: 3px;
  color: var(--muted);
  font-size: 11px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.pg-connect-btn, .pg-send-btn {
  border: 0;
  border-radius: 12px;
  color: #fffaf0;
  background: linear-gradient(135deg, var(--accent), var(--gold));
  box-shadow: 0 5px 14px rgba(157,111,58,.2);
  font-weight: 600;
  cursor: pointer;
}
.pg-connect-btn { padding: 8px 16px; font-size: 12px; }
.pg-connect-btn.connected { color: var(--rose); background: rgba(185,119,127,.1); box-shadow: none; }
.pg-connect-btn:disabled, .pg-send-btn:disabled { opacity: .45; cursor: default; }

.pg-model-row {
  flex: none;
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 9px 18px 0;
  padding: 8px 11px 8px 13px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: color-mix(in srgb, var(--card) 72%, transparent);
  backdrop-filter: blur(16px);
}
.pg-model-copy { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.pg-model-label { color: var(--soft); font-size: 11px; font-weight: 600; letter-spacing: .05em; }
.pg-model-hint { overflow: hidden; color: var(--muted); font-size: 9px; text-overflow: ellipsis; white-space: nowrap; }
.pg-model-select {
  width: min(58%, 270px);
  padding: 7px 9px;
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  background: var(--card-strong);
  outline: none;
  font-size: 11px;
}
.pg-model-select option, .pg-model-select optgroup { color: #31261a; background: #f7edda; }
body[data-theme="dark"] .pg-model-select option,
body[data-theme="dark"] .pg-model-select optgroup { color: #eadfc8; background: #251d16; }

.pg-tools-panel {
  flex: none;
  margin: 9px 18px 0;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 8px 28px rgba(65,44,22,.08);
}
.pg-tools-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 13px;
  color: var(--soft);
  font-size: 11px;
  letter-spacing: .04em;
  cursor: pointer;
}
.pg-tools-arrow { font-size: 8px; transition: transform .2s; }
.pg-tools-arrow.collapsed { transform: rotate(-90deg); }
.pg-tools-list { display: flex; flex-wrap: wrap; gap: 6px; max-height: 110px; overflow-y: auto; padding: 0 13px 11px; }
.pg-tools-list.collapsed { display: none; }
.pg-tool-tag {
  padding: 4px 9px;
  border: 1px solid rgba(112,129,173,.2);
  border-radius: 999px;
  color: var(--moon);
  background: rgba(112,129,173,.08);
  font-size: 10px;
}

.pg-log-area {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: 13px 18px;
  scrollbar-width: none;
}
.pg-log-area::-webkit-scrollbar { display: none; }
.pg-history-panel { min-height: 100%; display: flex; flex-direction: column; }
.pg-log-placeholder {
  width: min(330px, 84%);
  margin: auto;
  padding: 22px 12px 28px;
  text-align: center;
}
.pg-town-mark { width: 96px; height: 96px; margin: 0 auto 12px; color: var(--accent); }
.pg-town-mark svg { width: 100%; height: 100%; stroke: currentColor; stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; }
.pg-town-mark .moon { stroke: var(--moon); }
.pg-town-mark .rose { stroke: var(--rose); }
.pg-placeholder-title {
  font-family: "Xingkai SC", "STXingkai", "Kaiti SC", "KaiTi", serif;
  font-size: 18px;
  letter-spacing: .08em;
}
.pg-placeholder-copy { margin-top: 8px; color: var(--muted); font-size: 12px; line-height: 1.8; }
.pg-history-list, .pg-live-log { display: flex; flex-direction: column; gap: 8px; }

.pg-history-card { padding: 13px 14px; border-radius: 15px; box-shadow: 0 7px 22px rgba(65,44,22,.08); cursor: pointer; }
.pg-history-head { display: flex; align-items: center; gap: 10px; }
.pg-history-icon { color: var(--gold); font-size: 17px; }
.pg-history-info { flex: 1; min-width: 0; }
.pg-history-instruction { overflow: hidden; color: var(--text); font-size: 13px; font-weight: 600; text-overflow: ellipsis; white-space: nowrap; }
.pg-history-meta { margin-top: 3px; color: var(--muted); font-size: 10px; }
.pg-history-del { padding: 4px 7px; border: 0; color: var(--rose); background: transparent; cursor: pointer; }
.pg-history-summary { margin-top: 9px; padding: 9px 11px; border-left: 2px solid var(--gold); color: var(--soft); background: rgba(200,152,62,.06); font-size: 12px; line-height: 1.65; }
.pg-history-events { display: none; flex-direction: column; gap: 6px; margin-top: 10px; padding-top: 10px; border-top: 1px solid var(--border); }
.pg-history-card.expanded .pg-history-events { display: flex; }

.pg-log-item {
  padding: 10px 12px;
  border-radius: 13px;
  box-shadow: 0 5px 18px rgba(65,44,22,.06);
  font-size: 12px;
  line-height: 1.65;
  overflow-wrap: anywhere;
  animation: pgFadeIn .25s ease;
}
@keyframes pgFadeIn { from { opacity: 0; transform: translateY(6px); } }
.pg-log-label { margin-right: 5px; font-weight: 600; }
.pg-log-item.status { color: var(--moon); }
.pg-log-item.thinking { color: var(--gold); }
.pg-log-item.tool-call { border-color: rgba(112,129,173,.22); color: var(--moon); }
.pg-log-item.tool-result { color: var(--soft); font-size: 11px; max-height: 190px; overflow-y: auto; }
.pg-log-item.text { border-color: rgba(157,111,58,.25); color: var(--text); background: var(--card-strong); font-size: 13px; }
.pg-log-item.error { border-color: rgba(185,119,127,.28); color: var(--rose); }
.pg-log-item.done { color: var(--accent); text-align: center; font-weight: 600; }
.pg-tool-args { margin-top: 5px; padding: 6px 8px; border-radius: 8px; color: var(--soft); background: rgba(45,32,19,.06); font: 10px/1.5 "Cascadia Code", monospace; white-space: pre-wrap; }
.pg-live-back { align-self: flex-start; padding: 6px 10px; border: 1px solid var(--border); border-radius: 10px; color: var(--soft); background: var(--card); cursor: pointer; }

.pg-input-bar {
  flex: none;
  display: flex;
  gap: 9px;
  padding: 11px 18px max(13px, env(safe-area-inset-bottom));
  border-top: 1px solid var(--border);
  background: color-mix(in srgb, var(--card-strong) 82%, transparent);
  backdrop-filter: blur(22px);
}
.pg-input {
  flex: 1;
  min-width: 0;
  padding: 10px 13px;
  border: 1px solid var(--border);
  border-radius: 13px;
  color: var(--text);
  background: rgba(255,255,255,.14);
  outline: none;
  font-size: 13px;
}
.pg-input:focus { border-color: var(--gold); box-shadow: 0 0 0 3px rgba(200,152,62,.08); }
.pg-input::placeholder { color: var(--muted); }
.pg-send-btn { min-width: 64px; padding: 10px 17px; font-size: 13px; }
.pg-send-btn.stop-btn { background: linear-gradient(135deg, #a65f68, var(--rose)); }

@media (min-width: 560px) {
  .pg-header { grid-template-columns: 38px minmax(0,1fr) auto 36px; grid-template-areas: "back heading select theme"; min-height: 78px; }
  .pg-server-select { justify-self: auto; }
}

@media (max-width: 390px) {
  .pg-header { padding-left: 14px; padding-right: 14px; }
  .pg-status-card, .pg-model-row, .pg-tools-panel { margin-left: 14px; margin-right: 14px; }
  .pg-log-area, .pg-input-bar { padding-left: 14px; padding-right: 14px; }
  .pg-status-detail { max-width: 165px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}