/* 企业政策咨询智能体 - 共享原型样式 */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;500;600;700&display=swap');

:root {
  --primary: #1677ff;
  --primary-dark: #0958d9;
  --primary-light: #e6f4ff;
  --accent: #13c2c2;
  --sidebar: #001529;
  --sidebar-hover: #112a45;
  --surface: #f5f7fa;
  --card: #ffffff;
  --border: #e8ecf0;
  --text: #1d2129;
  --text-secondary: #4e5969;
  --text-muted: #86909c;
  --success: #00b42a;
  --success-bg: #e8ffea;
  --warning: #ff7d00;
  --warning-bg: #fff7e8;
  --danger: #f53f3f;
  --info: #165dff;
  --gradient: linear-gradient(135deg, #1677ff 0%, #0958d9 50%, #003a8c 100%);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
  --radius: 8px;
  --radius-lg: 12px;
}

* { box-sizing: border-box; }

body {
  font-family: 'Noto Sans SC', system-ui, -apple-system, sans-serif;
  margin: 0;
  background: var(--surface);
  color: var(--text);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

.app-shell {
  display: flex;
  min-height: 100vh;
  width: 1440px;
  max-width: 100%;
  margin: 0 auto;
}

/* Sidebar */
.sidebar {
  width: 240px;
  min-height: 100vh;
  background: var(--sidebar);
  color: rgba(255, 255, 255, 0.65);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
}

.sidebar-brand {
  padding: 20px 20px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  gap: 12px;
}

.sidebar-brand .logo {
  width: 40px;
  height: 40px;
  background: var(--gradient);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 18px;
  box-shadow: 0 4px 12px rgba(22, 119, 255, 0.4);
}

.sidebar-brand h1 {
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  margin: 0;
  line-height: 1.4;
}

.sidebar-brand span {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.45);
  display: block;
}

.nav-section {
  padding: 16px 16px 6px;
  font-size: 11px;
  color: rgba(255, 255, 255, 0.35);
  font-weight: 500;
  letter-spacing: 0.5px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  margin: 2px 8px;
  border-radius: var(--radius);
  color: rgba(255, 255, 255, 0.65);
  text-decoration: none;
  font-size: 14px;
  transition: all 0.2s;
  cursor: pointer;
  position: relative;
}

.nav-item:hover {
  background: var(--sidebar-hover);
  color: #fff;
}

.nav-item.active {
  background: var(--primary);
  color: #fff;
  font-weight: 500;
}

.nav-item .badge {
  margin-left: auto;
  background: #f53f3f;
  color: #fff;
  font-size: 11px;
  padding: 1px 6px;
  border-radius: 10px;
  font-weight: 600;
}

.nav-item i { width: 18px; text-align: center; font-size: 15px; }

.sidebar-footer {
  margin-top: auto;
  padding: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.user-card {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.2s;
}

.user-card:hover { background: var(--sidebar-hover); }

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, #36cfc9, #1677ff);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 14px;
  font-weight: 600;
}

.user-info { flex: 1; min-width: 0; }
.user-info .name { font-size: 13px; color: #fff; font-weight: 500; }
.user-info .role { font-size: 11px; color: rgba(255, 255, 255, 0.45); }

/* Main content */
.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  background: var(--surface);
}

.topbar {
  height: 56px;
  background: var(--card);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 100;
}

.topbar-left { display: flex; align-items: center; gap: 16px; }
.topbar-title { font-size: 16px; font-weight: 600; color: var(--text); }
.breadcrumb { font-size: 13px; color: var(--text-muted); }
.breadcrumb a { color: var(--text-muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--primary); }

.topbar-right { display: flex; align-items: center; gap: 12px; }

.topbar-btn {
  width: 36px;
  height: 36px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--card);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s;
  position: relative;
}

.topbar-btn:hover { border-color: var(--primary); color: var(--primary); }

.topbar-btn .dot {
  position: absolute;
  top: 6px;
  right: 6px;
  width: 8px;
  height: 8px;
  background: #f53f3f;
  border-radius: 50%;
  border: 2px solid #fff;
}

.page-body { padding: 24px; flex: 1; }

/* Cards */
.card {
  background: var(--card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-header h3 {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-body { padding: 20px; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
  text-decoration: none;
  font-family: inherit;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover { background: var(--primary-dark); }

.btn-outline {
  background: #fff;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
}
.btn-ghost:hover { background: var(--primary-light); color: var(--primary); }

/* Tags */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 500;
}

.tag-blue { background: #e6f4ff; color: #1677ff; }
.tag-green { background: var(--success-bg); color: var(--success); }
.tag-orange { background: var(--warning-bg); color: var(--warning); }
.tag-purple { background: #f9f0ff; color: #722ed1; }
.tag-cyan { background: #e6fffb; color: #13c2c2; }
.tag-red { background: #ffece8; color: #f53f3f; }

/* Stats */
.stat-card {
  background: var(--card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: 20px;
  position: relative;
  overflow: hidden;
}

.stat-card .stat-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 12px;
}

.stat-card .stat-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.2;
}

.stat-card .stat-label {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 4px;
}

.stat-card .stat-trend {
  font-size: 12px;
  margin-top: 8px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.stat-trend.up { color: var(--success); }
.stat-trend.down { color: var(--danger); }

/* Progress */
.progress-bar {
  height: 8px;
  background: #f0f0f0;
  border-radius: 4px;
  overflow: hidden;
}

.progress-bar .fill {
  height: 100%;
  border-radius: 4px;
  transition: width 0.6s ease;
}

/* Match score ring */
.match-ring {
  position: relative;
  width: 120px;
  height: 120px;
}

.match-ring svg { transform: rotate(-90deg); }
.match-ring .score-text {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.match-ring .score-value {
  font-size: 32px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
}

.match-ring .score-label {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* Grid helpers */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }

/* Policy item */
.policy-item {
  display: flex;
  gap: 16px;
  padding: 16px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  transition: all 0.2s;
  cursor: pointer;
}

.policy-item:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow);
  transform: translateY(-1px);
}

.policy-match {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  flex-shrink: 0;
}

.match-high { background: #e8ffea; color: #00b42a; }
.match-mid { background: #fff7e8; color: #ff7d00; }
.match-low { background: #f0f0f0; color: #86909c; }

/* Chat styles */
.chat-container {
  display: flex;
  flex-direction: column;
  height: calc(100vh - 56px - 48px);
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.message {
  display: flex;
  gap: 12px;
  max-width: 85%;
}

.message.user { align-self: flex-end; flex-direction: row-reverse; }
.message.assistant { align-self: flex-start; }

.message-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}

.message.user .message-avatar {
  background: linear-gradient(135deg, #36cfc9, #1677ff);
  color: #fff;
}

.message.assistant .message-avatar {
  background: var(--gradient);
  color: #fff;
}

.message-bubble {
  padding: 14px 18px;
  border-radius: 12px;
  font-size: 14px;
  line-height: 1.7;
}

.message.user .message-bubble {
  background: var(--primary);
  color: #fff;
  border-bottom-right-radius: 4px;
}

.message.assistant .message-bubble {
  background: var(--card);
  border: 1px solid var(--border);
  border-bottom-left-radius: 4px;
}

.chat-input-area {
  padding: 16px 24px 24px;
  background: var(--card);
  border-top: 1px solid var(--border);
}

.suggest-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.suggest-chip {
  padding: 6px 14px;
  border-radius: 20px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 13px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.2s;
}

.suggest-chip:hover {
  border-color: var(--primary);
  background: #fff;
}

.chat-input-box {
  display: flex;
  align-items: flex-end;
  gap: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 12px 16px;
  transition: border-color 0.2s;
}

.chat-input-box:focus-within { border-color: var(--primary); }

.chat-input-box textarea {
  flex: 1;
  border: none;
  background: transparent;
  resize: none;
  font-size: 14px;
  font-family: inherit;
  line-height: 1.5;
  outline: none;
  max-height: 120px;
  color: var(--text);
}

.voice-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: none;
  background: var(--primary-light);
  color: var(--primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  transition: all 0.2s;
}

.voice-btn:hover { background: var(--primary); color: #fff; }
.voice-btn.recording {
  background: #f53f3f;
  color: #fff;
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(245, 63, 63, 0.4); }
  50% { box-shadow: 0 0 0 8px rgba(245, 63, 63, 0); }
}

.send-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: none;
  background: var(--primary);
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  transition: background 0.2s;
}

.send-btn:hover { background: var(--primary-dark); }

/* Checklist */
.checklist-step {
  display: flex;
  gap: 16px;
  padding: 16px 0;
  position: relative;
}

.checklist-step:not(:last-child)::after {
  content: '';
  position: absolute;
  left: 15px;
  top: 48px;
  bottom: 0;
  width: 2px;
  background: var(--border);
}

.step-number {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 600;
  flex-shrink: 0;
  z-index: 1;
}

.step-number.done { background: var(--success); color: #fff; }
.step-number.current { background: var(--primary); color: #fff; }
.step-number.pending { background: #f0f0f0; color: var(--text-muted); }

/* Table */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.data-table th {
  text-align: left;
  padding: 12px 16px;
  background: #fafbfc;
  color: var(--text-secondary);
  font-weight: 500;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}

.data-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
}

.data-table tr:hover td { background: #fafbfc; }

/* Login page */
.login-page {
  min-height: 100vh;
  display: flex;
  background: #f0f5ff;
}

.login-left {
  flex: 1;
  background: var(--gradient);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 60px;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.login-left::before {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  top: -100px;
  right: -100px;
}

.login-right {
  width: 480px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  background: #fff;
}

.login-form { width: 100%; max-width: 360px; }

.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--text);
}

.form-input {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 14px;
  font-family: inherit;
  transition: border-color 0.2s;
  outline: none;
}

.form-input:focus { border-color: var(--primary); box-shadow: 0 0 0 2px rgba(22, 119, 255, 0.1); }

/* Animations */
.fade-in { animation: fadeIn 0.4s ease; }
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #d9d9d9; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #bfbfbf; }