/* ---------- 网页聊天端（对标 Talkie Web 三栏布局） ---------- */
.chat-body {
  background: var(--bg);
  height: 100vh;
  overflow: hidden;
}

.chat-app {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr) 300px;
  height: 100vh;
}

/* 左栏 */
.chat-side {
  display: flex;
  flex-direction: column;
  padding: 20px 14px;
  border-right: 1px solid var(--border);
  background: #0e0e13;
  overflow-y: auto;
}

.side-title {
  margin: 26px 4px 12px;
  font-size: 12px;
  letter-spacing: 2px;
  color: var(--text-dim);
}

.persona-list { display: flex; flex-direction: column; gap: 4px; flex: 1; }

.persona-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  border-radius: 12px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
}

.persona-item:hover { background: rgba(255, 255, 255, 0.05); }
.persona-item.active {
  background: rgba(247, 168, 192, 0.1);
  border-color: rgba(247, 168, 192, 0.35);
}

.persona-item img {
  width: 38px; height: 38px;
  border-radius: 50%;
  object-fit: cover;
  object-position: top center;
  border: 2px solid var(--border);
}

.persona-item .p-name { font-size: 14px; font-weight: 600; }
.persona-item .p-tag { font-size: 11.5px; color: var(--text-dim); margin-top: 1px; }

.side-foot { margin-top: 16px; display: flex; flex-direction: column; gap: 10px; }
.back-home { font-size: 12.5px; color: var(--text-dim); text-align: center; }
.back-home:hover { color: var(--text); }

/* 中间聊天区 */
.chat-main {
  display: flex;
  flex-direction: column;
  min-width: 0;
  background: linear-gradient(180deg, #16161f 0%, #101017 45%, #0a0a0f 100%);
  background:
    radial-gradient(130% 90% at 85% -10%, color-mix(in srgb, var(--chat-glow, #8b7cf6) 26%, transparent), transparent 58%),
    radial-gradient(110% 75% at 5% 110%, color-mix(in srgb, var(--chat-glow-2, #e26d8a) 18%, transparent), transparent 62%),
    radial-gradient(150% 130% at 50% 45%, transparent 58%, rgba(0, 0, 0, 0.26) 100%),
    linear-gradient(180deg, #16161f 0%, #101017 45%, #0a0a0f 100%);
  transition: background 0.6s ease;
}

.chat-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 22px;
  border-bottom: 1px solid var(--border);
  background: rgba(11, 11, 15, 0.7);
  backdrop-filter: blur(10px);
}

.chat-head-info { display: flex; align-items: center; gap: 12px; min-width: 0; }

.head-avatar {
  width: 42px; height: 42px;
  border-radius: 50%;
  object-fit: cover;
  object-position: top center;
  border: 2px solid rgba(247, 168, 192, 0.5);
}

.chat-head-name { font-size: 16px; font-weight: 700; letter-spacing: 0.5px; }

.chat-head-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-dim);
  margin-top: 2px;
}

.status-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: #4ade80;
  box-shadow: 0 0 8px rgba(74, 222, 128, 0.8);
  animation: pulse 2.6s ease-in-out infinite;
}

.chat-head-meta { font-size: 12px; color: var(--text-dim); text-align: right; }

.chat-msgs {
  flex: 1;
  overflow-y: auto;
  padding: 34px 36px 18px;
  display: flex;
  flex-direction: column;
  gap: 36px;
  scroll-behavior: smooth;
}

.msg-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  animation: rise 0.35s ease both;
}

.msg-row.user { flex-direction: row-reverse; }

.msg-avatar {
  width: 34px; height: 34px;
  border-radius: 50%;
  object-fit: cover;
  object-position: top center;
  flex-shrink: 0;
  border: 1.5px solid var(--border);
}

.msg-bubble {
  max-width: 70%;
  min-width: 140px;
  padding: 15px 20px;
  border-radius: 20px;
  font-size: 14.5px;
  line-height: 1.8;
  letter-spacing: 0.2px;
  word-break: break-word;
  white-space: pre-wrap;
}

.msg-row.ai .msg-bubble {
  background: #23232e;
  border-bottom-left-radius: 5px;
}

.msg-row.user .msg-bubble {
  background: var(--grad);
  color: #fff;
  border-bottom-right-radius: 5px;
}

.msg-time {
  font-size: 10.5px;
  color: #6d6d78;
  margin-top: 9px;
  padding: 0 2px;
}

.msg-row.user .msg-time { text-align: right; }

.msg-typing {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 15px 20px;
  border-radius: 20px;
  border-bottom-left-radius: 5px;
  background: #23232e;
  width: fit-content;
}

.msg-typing i {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: #bbb;
  animation: blink 1.2s ease-in-out infinite;
}

.msg-typing i:nth-child(2) { animation-delay: 0.2s; }
.msg-typing i:nth-child(3) { animation-delay: 0.4s; }

/* 输入区 */
.chat-inputbar {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  padding: 12px 22px 8px;
  border-top: 1px solid var(--border);
  background: rgba(11, 11, 15, 0.8);
}

#chatInput {
  flex: 1;
  min-height: 42px;
  max-height: 120px;
  resize: none;
  background: #1a1a23;
  border: 1px solid var(--border);
  border-radius: 14px;
  color: var(--text);
  font-size: 14.5px;
  font-family: inherit;
  padding: 10px 14px;
  outline: none;
  transition: border-color 0.2s;
}

#chatInput:focus { border-color: rgba(247, 168, 192, 0.5); }

.chat-send { padding: 10px 22px; font-size: 14px; border-radius: 14px; }
.chat-send:disabled { opacity: 0.5; cursor: not-allowed; }

.chat-tip {
  padding: 6px 34px 16px;
  font-size: 12px;
  color: var(--text-dim);
  min-height: 18px;
}

.chat-tip.error { color: var(--pink); }

/* 右侧详情 */
.chat-detail {
  display: flex;
  flex-direction: column;
  border-left: 1px solid var(--border);
  background: #0e0e13;
  overflow-y: auto;
}

.detail-img {
  aspect-ratio: 3 / 4;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}

.detail-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: top center;
}

.detail-info { padding: 20px; display: flex; flex-direction: column; gap: 8px; }
.detail-info h2 { font-size: 22px; font-weight: 800; letter-spacing: 1px; }
.detail-info p { font-size: 13.5px; color: var(--text-dim); }

.detail-meta {
  font-size: 12.5px;
  color: var(--pink);
  background: rgba(247, 168, 192, 0.08);
  border: 1px solid rgba(247, 168, 192, 0.3);
  border-radius: 10px;
  padding: 8px 12px;
  margin-bottom: 10px;
}

/* 移动端 */
@media (max-width: 960px) {
  .chat-app { grid-template-columns: 1fr; }
  .chat-side { display: none; }
  .chat-detail { display: none; }
  .chat-head { padding: 12px 16px; }
  .chat-msgs { padding: 18px 20px 12px; gap: 30px; }
  .chat-inputbar { padding: 10px 14px 8px; }
  .chat-tip { padding: 6px 20px 14px; }
}