* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: #f5f3ee;
  color: #2b2b2b;
  min-height: 100vh;
  display: flex;
  justify-content: center;
}

.app {
  width: 100%;
  max-width: 760px;
  display: flex;
  flex-direction: column;
  height: 100vh;
  padding: 20px 16px;
}

.header h1 { font-size: 22px; letter-spacing: 1px; }
.subtitle { font-size: 13px; color: #888; margin-top: 4px; }
#mode-badge { color: #a06a2c; font-weight: 600; }
#tool-summary { color: #6b6355; }

.toolbar { display: flex; gap: 8px; margin: 14px 0; align-items: flex-start; }
.hints { display: flex; gap: 8px; flex-wrap: wrap; flex: 1; }
.hint {
  border: 1px solid #d8d3c8;
  background: #fff;
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 12px;
  color: #6b6355;
  cursor: pointer;
  transition: all .15s;
}
.hint:hover { background: #2b2b2b; color: #fff; border-color: #2b2b2b; }
.add-btn { border-color: #a06a2c; color: #a06a2c; font-weight: 600; white-space: nowrap; }
.add-btn:hover { background: #a06a2c; border-color: #a06a2c; color: #fff; }

/* 添加工具弹窗 */
.modal {
  position: fixed; inset: 0; background: rgba(43,43,43,.35);
  display: flex; align-items: center; justify-content: center; z-index: 10;
}
.modal.hidden { display: none; }
.modal-card {
  width: min(560px, 92vw); max-height: 88vh; overflow-y: auto;
  background: #fdfcf9; border-radius: 14px; padding: 24px;
  border: 1px solid #e6e1d6;
}
.modal-card h2 { font-size: 17px; margin-bottom: 8px; }
.modal-tip { font-size: 12px; color: #8a8172; margin-bottom: 14px; line-height: 1.6; }
.modal-tip code { background: #f0ebe1; padding: 1px 5px; border-radius: 4px; }
#tool-form label { display: block; font-size: 12px; color: #6b6355; margin-bottom: 10px; }
#tool-form input, #tool-form textarea {
  display: block; width: 100%; margin-top: 4px;
  border: 1px solid #d8d3c8; border-radius: 8px; padding: 8px 10px;
  font-size: 13px; font-family: ui-monospace, Menlo, monospace; background: #fff;
}
#tool-form textarea { resize: vertical; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 6px; }
.modal-actions button { padding: 8px 18px; border-radius: 999px; font-size: 13px; cursor: pointer; border: 1px solid #d8d3c8; background: #fff; }
.modal-actions button[type="submit"] { background: #2b2b2b; color: #fff; border-color: #2b2b2b; }
.modal-error { color: #b03a2e; font-size: 12px; margin-top: 8px; min-height: 16px; }

.custom-tools-list { margin-top: 18px; border-top: 1px dashed #d8d3c8; padding-top: 12px; }
.custom-tools-list h3 { font-size: 13px; margin-bottom: 8px; color: #6b6355; }
.custom-tool-row { display: flex; justify-content: space-between; align-items: center; font-size: 13px; padding: 6px 0; }
.custom-tool-row button { border: 1px solid #b03a2e; color: #b03a2e; background: none; border-radius: 999px; padding: 3px 12px; font-size: 12px; cursor: pointer; }
.custom-tool-row button:hover { background: #b03a2e; color: #fff; }

.chat {
  flex: 1;
  overflow-y: auto;
  background: #fff;
  border: 1px solid #e6e1d6;
  border-radius: 12px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.msg { max-width: 85%; padding: 10px 14px; border-radius: 12px; line-height: 1.6; font-size: 14px; white-space: pre-wrap; word-break: break-word; }
.msg.user { align-self: flex-end; background: #2b2b2b; color: #fff; border-bottom-right-radius: 4px; }
.msg.bot { align-self: flex-start; background: #f0ebe1; border-bottom-left-radius: 4px; }

.step {
  align-self: flex-start;
  font-size: 12px;
  color: #8a8172;
  background: #faf8f3;
  border: 1px dashed #d8d3c8;
  border-radius: 8px;
  padding: 6px 10px;
  max-width: 85%;
  word-break: break-all;
}
.step .tag { font-weight: 600; color: #a06a2c; }
.step.error .tag { color: #b03a2e; }

.composer { display: flex; gap: 10px; margin-top: 14px; }
.composer input {
  flex: 1;
  padding: 12px 16px;
  border: 1px solid #d8d3c8;
  border-radius: 999px;
  font-size: 14px;
  outline: none;
  background: #fff;
}
.composer input:focus { border-color: #2b2b2b; }
.composer button {
  padding: 0 24px;
  border: none;
  border-radius: 999px;
  background: #2b2b2b;
  color: #fff;
  font-size: 14px;
  cursor: pointer;
}
.composer button:disabled { opacity: .5; cursor: not-allowed; }

/* 模型切换栏 */
.model-bar { margin-top: 8px; display: flex; align-items: center; gap: 8px; font-size: 13px; color: #6b6355; }
.model-bar select {
  border: 1px solid #d8d3c8; background: #fff; border-radius: 8px;
  padding: 5px 10px; font-size: 13px; color: #2b2b2b; cursor: pointer; outline: none;
}
.model-bar select:focus { border-color: #a06a2c; }

/* 自然语言造工具 */
.nl-box{margin-bottom:12px;padding:12px;border:1px solid #e5e2da;border-radius:10px;background:#faf9f6}
.nl-box label{font-weight:600;font-size:13px;display:block;margin-bottom:6px}
.nl-box textarea{width:100%;box-sizing:border-box;border:1px solid #d9d5cc;border-radius:8px;padding:8px;font-family:inherit;resize:vertical}
.nl-box button{margin-top:8px;background:#1f2937;color:#fff;border:none;border-radius:8px;padding:7px 14px;cursor:pointer}
.nl-box button:disabled{opacity:.6;cursor:wait}
.manual-toggle summary{cursor:pointer;color:#6b7280;font-size:13px;margin:4px 0 10px}

/* 文件卡片 */
.file-card{display:flex;align-items:center;gap:10px;margin:8px 0;padding:10px 14px;border:1px solid #d8d3c5;border-radius:10px;background:#fff;max-width:420px}
.file-icon{font-size:20px}
.file-name{font-weight:600;flex:0 1 auto;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.file-size{color:#9a938a;font-size:12px;flex-shrink:0}
.file-dl{margin-left:auto;background:#1f2937;color:#fff;text-decoration:none;border-radius:7px;padding:4px 12px;font-size:13px;flex-shrink:0}
.file-dl:hover{background:#374151}

/* 长文折叠 */
.fold-btn{display:inline-block;margin-top:6px;background:none;border:1px solid #d8d3c5;border-radius:6px;padding:2px 10px;font-size:12px;color:#6b7280;cursor:pointer}
.fold-btn:hover{border-color:#9a938a;color:#374151}

/* 日志入口链接 */
.log-link{background:none;border:none;color:#0052d9;font-size:12px;cursor:pointer;text-decoration:underline;padding:0 2px}

/* 日志抽屉 */
.drawer{position:fixed;top:0;right:0;width:420px;max-width:90vw;height:100vh;background:#fbfaf7;border-left:1px solid #e5e2da;box-shadow:-4px 0 16px rgba(0,0,0,.08);z-index:50;display:flex;flex-direction:column}
.drawer.hidden{display:none}
.drawer-head{display:flex;align-items:center;gap:8px;padding:14px 16px;border-bottom:1px solid #e5e2da}
.drawer-tip{font-size:12px;color:#9a938a;flex:1}
#log-close{background:none;border:none;font-size:20px;cursor:pointer;color:#6b7280}
.log-list{flex:1;overflow-y:auto;padding:8px}
.log-row{display:flex;align-items:center;gap:8px;padding:9px 10px;border-radius:8px;cursor:pointer;font-size:13px}
.log-row:hover{background:#f3f1ec}
.log-idx{color:#9a938a;font-weight:600}
.log-time{color:#9a938a;font-size:12px}
.log-msg{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.log-tools{color:#0052d9;font-size:12px;flex-shrink:0}
.log-detail{margin:0 10px 8px;padding:10px;background:#fff;border:1px solid #e5e2da;border-radius:8px;font-size:12px;white-space:pre-wrap;word-break:break-all;max-height:300px;overflow-y:auto}
.log-detail.hidden{display:none}

/* 技能/连接器市场 */
.market-card{max-width:640px}
.market-head{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.market-tabs{display:flex;gap:4px;background:#f3f1ec;border-radius:9px;padding:3px}
.market-tab{border:none;background:none;padding:6px 16px;border-radius:7px;cursor:pointer;font-size:14px;color:#6b7280}
.market-tab.active{background:#fff;color:#1f2937;font-weight:600;box-shadow:0 1px 3px rgba(0,0,0,.08)}
#market-search{flex:1;border:1px solid #d9d5cc;border-radius:8px;padding:7px 12px;font-size:13px}
#market-close{background:none;border:none;font-size:22px;cursor:pointer;color:#6b7280}
.market-list{max-height:55vh;overflow-y:auto}
.m-card{display:flex;align-items:center;gap:12px;padding:12px;border:1px solid #e5e2da;border-radius:10px;margin-bottom:8px;background:#fff}
.m-icon{font-size:22px;flex-shrink:0}
.m-body{flex:1;min-width:0}
.m-name{font-weight:600;font-size:14px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.m-badge{font-size:11px;font-weight:400;color:#9a938a;background:#f3f1ec;border-radius:5px;padding:1px 7px}
.m-badge.on{color:#0a7d4f;background:#e8f5ee}
.m-badge.warn{color:#b45309;background:#fef3e2}
.m-desc{font-size:12px;color:#6b7280;margin-top:3px;line-height:1.5}
.m-secrets{font-size:11px;color:#9a938a;margin-top:4px}
.m-act{flex-shrink:0;border-radius:7px;padding:5px 14px;font-size:13px;cursor:pointer;border:1px solid #d9d5cc;background:#fff}
.m-act.on{background:#1f2937;color:#fff;border-color:#1f2937}
.m-act.key{background:#b45309;color:#fff;border-color:#b45309}
.m-act:disabled{opacity:.6;cursor:wait}
.m-empty{color:#9a938a;text-align:center;padding:30px 0}

/* 连接器授权与密钥粘贴 */
.m-secret-row{display:flex;align-items:center;gap:8px;margin-top:8px}
.m-auth{background:#0052d9;color:#fff;border:none;border-radius:7px;padding:5px 12px;font-size:12px;cursor:pointer;flex-shrink:0}
.m-auth:hover{background:#1a63e0}
.m-secret-input{flex:1;min-width:0;border:1px solid #d9d5cc;border-radius:7px;padding:5px 10px;font-size:12px}
.m-save{background:#fff;border:1px solid #d9d5cc;border-radius:7px;padding:5px 12px;font-size:12px;cursor:pointer;flex-shrink:0}
.m-save:hover{border-color:#1f2937}

/* 登录页 */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; }
.login-card {
  background: #fff; border: 1px solid #e3ddd2; border-radius: 14px;
  padding: 36px 32px; width: 320px; display: flex; flex-direction: column; gap: 14px;
  box-shadow: 0 4px 24px rgba(43,43,43,.06);
}
.login-card h1 { margin: 0; font-size: 22px; text-align: center; }
.login-tip { margin: 0; font-size: 13px; color: #6b6355; text-align: center; }
.login-card input {
  border: 1px solid #d8d3c8; border-radius: 8px; padding: 10px 12px;
  font-size: 14px; outline: none;
}
.login-card input:focus { border-color: #a06a2c; }
.login-card button {
  background: #2b2b2b; color: #fff; border: none; border-radius: 8px;
  padding: 10px; font-size: 14px; cursor: pointer;
}
.login-card button:hover { background: #a06a2c; }
.login-error { margin: 0; font-size: 12px; color: #b03a2e; text-align: center; min-height: 16px; }