/* ============================================================
   小红书选题笔记生成工具 - 样式
   暖色奶油风 / Warm Cream Theme
   ============================================================ */
:root {
  --bg: #F7F4EF;
  --bg-card: #FFFFFF;
  --bg-hover: #F2EEE6;
  --border: #E8E2D9;
  --text: #3D3A35;
  --text-secondary: #7A756D;
  --text-muted: #A8A29A;
  --primary: #B8956E;
  --primary-bg: rgba(184, 149, 110, 0.12);
  --primary-hover: #A9855F;
  --success: #7A9E7E;
  --success-bg: rgba(122, 158, 126, 0.12);
  --warning: #D4A04D;
  --warning-bg: rgba(212, 160, 77, 0.12);
  --danger: #C97B7B;
  --danger-bg: rgba(201, 123, 123, 0.12);
  --accent: #C9A87C;
  --cream-dark: #EDE7DD;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

/* Header */
.header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 28px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-card);
}
.header h1 { font-size: 18px; font-weight: 600; color: var(--text); letter-spacing: 0.3px; }
.header-right { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text-secondary); }
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--success); display: inline-block; }

/* Tabs */
.tabs {
  display: flex; gap: 0; padding: 0 28px;
  background: var(--bg-card); border-bottom: 1px solid var(--border);
  overflow-x: auto;
}
.tab {
  padding: 13px 22px; border: none; background: none; color: var(--text-secondary);
  font-size: 14px; cursor: pointer; border-bottom: 2px solid transparent;
  white-space: nowrap; transition: all 0.2s;
}
.tab:hover { color: var(--primary); }
.tab.active { color: var(--primary); border-bottom-color: var(--primary); font-weight: 500; }

/* Content */
.content { padding: 26px; max-width: 1200px; margin: 0 auto; }
.tab-content { display: none; }
.tab-content.active { display: block; }

/* Panel */
.panel {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 14px; overflow: hidden;
  box-shadow: 0 2px 12px rgba(61, 58, 53, 0.04);
}
.panel-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 22px; border-bottom: 1px solid var(--border);
  background: linear-gradient(to right, var(--bg-card), var(--bg));
}
.panel-header h2 { font-size: 16px; font-weight: 600; color: var(--text); }
.panel-actions { display: flex; gap: 10px; }

/* Buttons */
.btn {
  padding: 8px 16px; border: 1px solid var(--border); border-radius: 8px;
  background: var(--bg-card); color: var(--text); font-size: 13px;
  cursor: pointer; transition: all 0.2s; white-space: nowrap;
}
.btn:hover { background: var(--bg-hover); border-color: var(--primary); color: var(--primary); }
.btn-primary {
  background: var(--primary); border-color: var(--primary); color: #FFFFFF;
}
.btn-primary:hover { background: var(--primary-hover); border-color: var(--primary-hover); color: #FFFFFF; }
.btn-success { background: var(--success-bg); border-color: var(--success); color: var(--success); }
.btn-success:hover { background: var(--success); color: #FFFFFF; }
.btn-warning { background: var(--warning-bg); border-color: var(--warning); color: var(--warning); }
.btn-warning:hover { background: var(--warning); color: #FFFFFF; }
.btn-danger { background: var(--danger-bg); border-color: var(--danger); color: var(--danger); }
.btn-danger:hover { background: var(--danger); color: #FFFFFF; }
.btn-lg { padding: 12px 26px; font-size: 15px; border-radius: 10px; }

/* Stats bar */
.stats-bar {
  padding: 14px 22px; background: var(--bg); border-bottom: 1px solid var(--border);
  font-size: 13px; color: var(--text-secondary); display: flex; gap: 18px; flex-wrap: wrap;
}
.stats-bar strong { color: var(--text); }

/* Form */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; padding: 22px; }
.form-grid .form-field.full-width { grid-column: 1 / -1; }
.form-field { display: flex; flex-direction: column; gap: 7px; }
.form-field label { font-size: 13px; color: var(--text-secondary); font-weight: 500; }
.form-field input, .form-field textarea, .form-field select {
  padding: 11px 14px; border: 1px solid var(--border); border-radius: 10px;
  background: var(--bg-card); color: var(--text); font-size: 14px;
  font-family: inherit; transition: all 0.2s;
}
.form-field input:focus, .form-field textarea:focus, .form-field select:focus {
  outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-bg);
}
.form-field textarea { resize: vertical; min-height: 84px; }
.form-card { padding: 22px; border-bottom: 1px solid var(--border); background: var(--bg); }
.form-actions { padding: 22px; display: flex; gap: 14px; justify-content: center; }

/* Cards */
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 18px; padding: 18px 22px; }
.card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px;
  padding: 18px; box-shadow: 0 2px 8px rgba(61, 58, 53, 0.03);
  transition: all 0.2s;
}
.card:hover { box-shadow: 0 4px 16px rgba(61, 58, 53, 0.06); border-color: var(--accent); }
.card-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 12px; }
.card-title { font-size: 15px; font-weight: 600; color: var(--text); }
.card-meta { font-size: 12px; color: var(--text-secondary); margin-top: 10px; display: flex; gap: 14px; flex-wrap: wrap; }
.card-body { font-size: 13px; color: var(--text-secondary); margin-top: 10px; line-height: 1.5; max-height: 100px; overflow: hidden; }
.card-actions { margin-top: 14px; display: flex; gap: 8px; }

/* List */
.list-container { padding: 0; }
.list-item {
  padding: 16px 22px; border-bottom: 1px solid var(--border); display: flex;
  gap: 16px; align-items: flex-start; transition: background 0.15s;
}
.list-item:hover { background: var(--bg-hover); }
.list-item .row-num { min-width: 48px; color: var(--text-muted); font-size: 12px; }
.list-item .item-content { flex: 1; min-width: 0; }
.list-item .item-title { font-size: 14px; font-weight: 500; margin-bottom: 4px; color: var(--text); }
.list-item .item-body { font-size: 13px; color: var(--text-secondary); }
.list-item .item-meta { font-size: 12px; color: var(--text-muted); margin-top: 5px; display: flex; gap: 14px; }
.badge { font-size: 11px; padding: 3px 9px; border-radius: 12px; background: var(--cream-dark); color: var(--text-secondary); }
.badge-analyzed { background: var(--success-bg); color: var(--success); }

/* Analysis */
.analysis-actions { padding: 26px 22px; display: flex; gap: 18px; justify-content: center; flex-wrap: wrap; }
.progress-container { padding: 22px; }
.progress-bar { width: 100%; height: 8px; background: var(--bg); border-radius: 4px; overflow: hidden; margin: 12px 0; }
.progress-fill { height: 100%; background: var(--primary); border-radius: 4px; transition: width 0.3s; }
.progress-text { font-size: 13px; color: var(--text-secondary); }

/* Results */
.result-card { padding: 22px; }
.result-section { padding: 0; }
.section-title { font-size: 15px; font-weight: 600; padding: 18px 22px 0; color: var(--text); }
.topic-card {
  border: 1px solid var(--border); border-radius: 12px;
  margin: 18px 22px; padding: 20px; background: var(--bg-card);
  box-shadow: 0 2px 8px rgba(61, 58, 53, 0.03); transition: all 0.2s;
}
.topic-card:hover { border-color: var(--accent); }
.topic-card.selected { border-color: var(--primary); background: var(--primary-bg); }
.topic-card h3 { font-size: 16px; margin-bottom: 12px; color: var(--text); }
.topic-card .topic-detail { font-size: 13px; color: var(--text-secondary); line-height: 1.8; }
.topic-card .topic-detail strong { color: var(--text); }
.topic-actions { padding: 0 22px 22px; display: flex; gap: 12px; }
.note-card {
  border: 1px solid var(--border); border-radius: 12px;
  margin: 18px 22px; padding: 24px; background: var(--bg-card);
  box-shadow: 0 2px 8px rgba(61, 58, 53, 0.03);
}
.note-card .note-title { font-size: 18px; font-weight: 600; margin-bottom: 16px; padding-bottom: 16px; border-bottom: 1px solid var(--border); color: var(--text); }
.note-card .note-body { font-size: 15px; line-height: 1.9; white-space: pre-wrap; color: var(--text); }
.note-card .note-tags { margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--border); color: var(--primary); font-size: 13px; }
.note-copy-btn { margin-left: 12px; }
.note-expand-btn { display: inline-block; margin-top: 8px; padding: 4px 14px; background: var(--bg); border: 1px solid var(--border); border-radius: 6px; cursor: pointer; font-size: 13px; color: var(--primary); }
.note-expand-btn:hover { background: var(--border); }
.note-full { display: none; margin-top: 8px; }
.note-full.show { display: block; }
.note-preview { white-space: pre-wrap; }

/* Loading */
.loading { padding: 44px 22px; text-align: center; color: var(--text-secondary); font-size: 14px; }

/* History tabs */
.history-tabs { padding: 14px 22px; display: flex; gap: 10px; border-bottom: 1px solid var(--border); }

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

/* Toast */
.toast { position: fixed; top: 20px; right: 20px; padding: 12px 20px; border-radius: 10px; font-size: 14px; z-index: 9999; animation: slideIn 0.3s ease; }
.toast-success { background: var(--success-bg); border: 1px solid var(--success); color: var(--success); }
.toast-error { background: var(--danger-bg); border: 1px solid var(--danger); color: var(--danger); }
.toast-info { background: var(--primary-bg); border: 1px solid var(--primary); color: var(--primary); }
@keyframes slideIn { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

@media (max-width: 768px) {
  .form-grid { grid-template-columns: 1fr; }
  .card-grid { grid-template-columns: 1fr; }
  .analysis-actions { flex-direction: column; }
  .tabs { gap: 2px; }
  .tab { padding: 10px 12px; font-size: 12px; }
}