/* ============================================
   SalesBrain V3.1 — AI-Native Design System
   Three interfaces: Workspace / Automation / Management
   ============================================ */

:root {
  --primary: #4f46e5;
  --primary-light: #6366f1;
  --primary-dark: #4338ca;
  --primary-bg: #eef2ff;
  --accent: #f59e0b;
  --accent-light: #fbbf24;
  --success: #10b981;
  --success-bg: #ecfdf5;
  --warning: #f59e0b;
  --warning-bg: #fffbeb;
  --danger: #ef4444;
  --danger-bg: #fef2f2;
  --info: #3b82f6;
  --bg: #f8fafc;
  --card: #ffffff;
  --border: #e2e8f0;
  --border-light: #f1f5f9;
  --text: #1e293b;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
  --shadow: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.06), 0 2px 4px rgba(0,0,0,0.04);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.1), 0 4px 12px rgba(0,0,0,0.06);
  --shadow-xl: 0 20px 60px rgba(0,0,0,0.15);
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --font: 'Inter', 'SF Pro Display', 'Microsoft YaHei', 'PingFang SC', -apple-system, sans-serif;
  --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --panel-width: 480px;
}

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

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ---- App Shell ---- */
.app-shell {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ---- Header ---- */
.header {
  height: 56px;
  background: rgba(255,255,255,0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 12px;
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.3px;
}

.header-logo .logo-dot {
  width: 28px; height: 28px;
  border-radius: 6px;
  object-fit: contain;
}

.header-spacer { flex: 1; }

.header-btn {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--card);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px;
  color: var(--text-secondary);
  transition: all var(--transition);
  position: relative;
}

.header-btn:hover { background: var(--bg); color: var(--text); border-color: var(--text-muted); }

.header-btn .dot {
  position: absolute;
  top: 6px; right: 6px;
  width: 7px; height: 7px;
  background: var(--danger);
  border-radius: 50%;
  border: 1.5px solid #fff;
}

/* ---- Main Content ---- */
.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  max-width: 800px;
  width: 100%;
  margin: 0 auto;
  padding: 32px 24px 48px;
}

/* ---- AI Input Area ---- */
.ai-input-area {
  margin-bottom: 24px;
}

.ai-input-wrap {
  display: flex;
  align-items: center;
  background: var(--card);
  border: 2px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 4px 6px 4px 20px;
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
}

.ai-input-wrap:focus-within {
  border-color: var(--primary-light);
  box-shadow: 0 0 0 4px rgba(99,102,241,0.1), var(--shadow-md);
}

.ai-input-wrap input {
  flex: 1;
  border: none;
  outline: none;
  font-size: 15px;
  font-family: var(--font);
  color: var(--text);
  background: transparent;
  padding: 12px 0;
}

.ai-input-wrap input::placeholder { color: var(--text-muted); }

.ai-input-actions {
  display: flex;
  gap: 4px;
  flex-shrink: 0;
}

.ai-input-btn {
  width: 38px; height: 38px;
  border-radius: 50%;
  border: none;
  background: transparent;
  cursor: pointer;
  font-size: 18px;
  color: var(--text-muted);
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition);
}

.ai-input-btn:hover { background: var(--bg); color: var(--text); }

.ai-input-submit {
  width: 38px; height: 38px;
  border-radius: 50%;
  border: none;
  background: linear-gradient(135deg, var(--primary), #8b5cf6);
  cursor: pointer;
  font-size: 16px;
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition);
  box-shadow: 0 2px 8px rgba(79,70,229,0.3);
}

.ai-input-submit:hover { transform: scale(1.05); box-shadow: 0 4px 12px rgba(79,70,229,0.4); }
.ai-input-submit:active { transform: scale(0.95); }
.ai-input-submit:disabled { opacity: 0.5; pointer-events: none; }

/* ---- Suggested Prompts ---- */
.suggested-prompts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.prompt-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: 13px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.prompt-chip:hover {
  border-color: var(--primary-light);
  color: var(--primary);
  background: var(--primary-bg);
}

.prompt-chip .chip-icon { font-size: 14px; }

/* ---- Section Header ---- */
.section-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.section-header h2 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.2px;
}

.section-header .section-badge {
  font-size: 11px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary-bg), #ede9fe);
  color: var(--primary);
}

.section-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.section-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ---- Lead Cards ---- */
.lead-card-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.lead-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  cursor: pointer;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  gap: 8px;
  position: relative;
}

.lead-card:hover {
  border-color: var(--primary-light);
  box-shadow: 0 8px 24px rgba(0,0,0,0.10);
  transform: translateY(-2px);
}

.lead-card:active { background: var(--primary-bg); }

.lead-card .card-header-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.lead-card .card-company {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.3px;
  line-height: 1.3;
  flex: 1;
  min-width: 0;
}

.lead-card .card-badge {
  display: flex;
  align-items: center;
  gap: 4px;
  background: var(--success-bg);
  color: #059669;
  font-size: 13px;
  font-weight: 800;
  padding: 4px 10px;
  border-radius: 8px;
  flex-shrink: 0;
}

.lead-card .card-meta {
  font-size: 12px;
  color: var(--text-muted);
  display: flex;
  gap: 6px;
  align-items: center;
}

.lead-card .card-meta .meta-sep {
  width: 3px; height: 3px;
  background: var(--border);
  border-radius: 50%;
}

.lead-card .card-reason {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
  padding: 10px 12px;
  background: #f8fafc;
  border-radius: 8px;
  border-left: 3px solid var(--primary-light);
}

.lead-card .card-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

@media (max-width: 1200px) {
  .lead-card-list { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 700px) {
  .lead-card-list { grid-template-columns: 1fr; }
}

.lead-card .card-level {
  font-size: 10px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 10px;
}

/* ---- Score (shared: panel + legacy) ---- */
.score-circle {
  width: 42px; height: 42px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: -0.5px;
}
.score-high { background: var(--success-bg); color: #059669; }
.score-mid  { background: var(--warning-bg); color: #d97706; }
.score-low  { background: var(--danger-bg); color: #dc2626; }

.level-high { background: var(--success-bg); color: #059669; }
.level-mid  { background: var(--warning-bg); color: #d97706; }
.level-low  { background: var(--danger-bg); color: #dc2626; }

.lead-card .card-arrow {
  display: none;
}

@media (max-width: 1400px) {
  .lead-card-list { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 1000px) {
  .lead-card-list { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .lead-card-list { grid-template-columns: 1fr; }
}

/* ---- Memories ---- */
.memory-item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 8px 10px;
  background: #fafbfc;
  border-radius: 6px;
  margin-bottom: 6px;
  border: 1px solid var(--border);
}

.memory-list { max-height: 200px; overflow-y: auto; }

/* ---- Empty State ---- */
.empty-state {
  text-align: center;
  padding: 48px 20px 20px;
}

.empty-state .empty-icon {
  width: 72px; height: 72px;
  margin: 0 auto 20px;
  border-radius: 16px;
  display: block;
  object-fit: contain;
}

.empty-state h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
  letter-spacing: -0.3px;
}

.empty-state p {
  font-size: 14px;
  color: var(--text-muted);
  max-width: 400px;
  margin: 0 auto;
}

/* ---- AI Thinking Indicator ---- */
.ai-thinking {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 20px;
  color: var(--text-secondary);
  font-size: 13px;
}

.thinking-dots {
  display: flex;
  gap: 3px;
}

.thinking-dots span {
  width: 6px; height: 6px;
  background: var(--primary-light);
  border-radius: 50%;
  animation: thinking 1.4s ease-in-out infinite;
}

.thinking-dots span:nth-child(2) { animation-delay: 0.2s; }
.thinking-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes thinking {
  0%, 80%, 100% { transform: scale(0.6); opacity: 0.4; }
  40% { transform: scale(1); opacity: 1; }
}

/* ---- AI Results Summary ---- */
.ai-summary {
  padding: 12px 20px;
  font-size: 13px;
  color: var(--text-secondary);
  background: var(--primary-bg);
  border-radius: var(--radius);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.ai-summary .summary-icon {
  font-size: 16px;
  flex-shrink: 0;
}

/* ============================================
   Slide-out Panel (Lead Detail)
   ============================================ */

/* ---- Lead Modal ---- */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(15, 23, 42, 0.4);
  z-index: 200;
  opacity: 0; visibility: hidden;
  transition: all 0.25s ease;
  backdrop-filter: blur(3px);
}
.modal-overlay.open { opacity: 1; visibility: visible; }

.lead-modal {
  position: fixed;
  width: 680px; min-width: 360px; max-width: 95vw;
  height: 520px; min-height: 300px; max-height: 92vh;
  background: var(--card);
  box-shadow: 0 20px 60px rgba(0,0,0,0.2);
  z-index: 201;
  border-radius: 16px;
  display: flex; flex-direction: column;
  opacity: 0; visibility: hidden;
  transform: scale(0.95) translateY(10px);
  transition: opacity 0.25s ease, transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
}

.lead-modal.open {
  opacity: 1; visibility: visible;
  transform: scale(1) translateY(0);
}

.lead-modal-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: flex-start; gap: 14px;
  cursor: move;
  user-select: none;
  flex-shrink: 0;
  position: relative;
}

.lead-modal-handle {
  position: absolute; top: 6px; left: 50%; transform: translateX(-50%);
  width: 40px; height: 4px; background: var(--border); border-radius: 2px;
}

.lead-modal-resize {
  position: absolute; bottom: 0; right: 0;
  width: 20px; height: 20px;
  cursor: nwse-resize;
  background: linear-gradient(135deg, transparent 50%, var(--border) 50%);
  border-radius: 0 0 16px 0;
}

.panel-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: flex-start;
  gap: 14px;
  position: sticky;
  top: 0;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(12px);
  z-index: 5;
}

.panel-header .panel-avatar {
  width: 48px; height: 48px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, #eef2ff, #e0e7ff);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
  flex-shrink: 0;
}

.panel-header .panel-company { flex: 1; min-width: 0; }

.panel-header .panel-name {
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.2px;
  margin-bottom: 2px;
}

.panel-header .panel-meta {
  font-size: 12px;
  color: var(--text-muted);
  display: flex;
  gap: 6px;
  align-items: center;
  flex-wrap: wrap;
}

.panel-close {
  width: 32px; height: 32px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--card);
  cursor: pointer;
  font-size: 16px;
  color: var(--text-muted);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition);
}

.panel-close:hover { background: var(--bg); color: var(--text); }

.panel-body { padding: 20px 24px; flex: 1; overflow-y: auto; }

/* Panel Sections */
.panel-section {
  margin-bottom: 20px;
}

.panel-section-title {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 6px;
}

/* AI Score Display */
.score-display {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px;
  background: linear-gradient(135deg, #f8fafc, #f1f5f9);
  border-radius: var(--radius);
  border: 1px solid var(--border-light);
}

.score-display .score-num {
  font-size: 56px;
  font-weight: 800;
  letter-spacing: -2px;
  line-height: 1;
}

.score-num.high { color: #059669; }
.score-num.mid  { color: #d97706; }
.score-num.low  { color: #dc2626; }

.score-display .score-info { font-size: 13px; color: var(--text-secondary); }
.score-display .score-label { font-size: 14px; font-weight: 700; color: var(--text); margin-bottom: 2px; }

/* Insight Tags */
.insight-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.insight-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  padding: 8px 12px;
  background: var(--bg);
  border-radius: var(--radius-sm);
}

.insight-item.positive { border-left: 3px solid var(--success); }
.insight-item.warning  { border-left: 3px solid var(--warning); }
.insight-item.negative { border-left: 3px solid var(--danger); }

.insight-item .insight-icon { font-size: 14px; flex-shrink: 0; }

/* AI Summary Text */
.ai-summary-text {
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-secondary);
  padding: 14px;
  background: linear-gradient(135deg, var(--primary-bg), #ede9fe);
  border-radius: var(--radius);
  border: 1px solid #e0e7ff;
}

/* Script Card */
.script-card {
  padding: 16px;
  background: var(--bg);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  margin-bottom: 8px;
}

.script-card .script-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.script-card .script-text {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text);
}

.script-card .script-actions {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}

/* Script Style Chips */
.script-styles {
  display: flex;
  gap: 6px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.style-chip {
  padding: 6px 14px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--card);
  font-size: 12px;
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font);
  color: var(--text-secondary);
}

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

/* Quick Actions */
.quick-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.quick-action-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  transition: all var(--transition);
  font-family: var(--font);
  text-align: left;
}

.quick-action-btn:hover { border-color: var(--primary-light); background: var(--primary-bg); }
.quick-action-btn:active { transform: scale(0.98); }

.quick-action-btn .qa-icon { font-size: 20px; flex-shrink: 0; }
.quick-action-btn .qa-body { flex: 1; }
.quick-action-btn .qa-label { font-size: 13px; font-weight: 600; }
.quick-action-btn .qa-desc { font-size: 12px; color: var(--text-muted); margin-top: 1px; }

.quick-action-btn.primary {
  background: linear-gradient(135deg, var(--primary), #8b5cf6);
  color: #fff;
  border: none;
}

.quick-action-btn.primary:hover { opacity: 0.95; box-shadow: 0 4px 12px rgba(79,70,229,0.3); }
.quick-action-btn.primary .qa-desc { color: rgba(255,255,255,0.7); }

/* ---- History Timeline ---- */
.timeline { padding: 4px 0; }

.timeline-item {
  display: flex;
  gap: 10px;
  padding-bottom: 14px;
  position: relative;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: 13px; top: 28px; bottom: 0;
  width: 1.5px;
  background: var(--border);
}

.timeline-item:last-child::before { display: none; }

.timeline-dot {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 12px;
  flex-shrink: 0;
  z-index: 1;
}

.timeline-content { padding-top: 2px; }
.timeline-time { font-size: 11px; color: var(--text-muted); }
.timeline-title { font-size: 13px; font-weight: 600; margin-top: 2px; }
.timeline-desc { font-size: 12px; color: var(--text-secondary); }

/* ============================================
   Toast
   ============================================ */

.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 12px 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 600;
  animation: toastIn 0.35s ease;
  border-left: 3px solid var(--success);
}

.toast.error { border-left-color: var(--danger); }

@keyframes toastIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ============================================
   Settings Modal
   ============================================ */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15,23,42,0.4);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.25s ease;
  backdrop-filter: blur(2px);
}

.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--card);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  width: 100%;
  max-width: 540px;
  max-height: 85vh;
  overflow-y: auto;
  transform: translateY(12px);
  transition: transform 0.25s ease;
}

.modal-overlay.open .modal { transform: translateY(0); }

.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
  position: sticky;
  top: 0;
  background: var(--card);
  z-index: 5;
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.modal-header h3 { font-size: 16px; font-weight: 700; flex: 1; letter-spacing: -0.2px; }

.modal-body { padding: 24px; }

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

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

.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 12px;
}

.card-header h3 { font-size: 15px; font-weight: 700; flex: 1; }

/* Settings Cards */
.setting-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 10px;
  background: var(--bg);
  transition: all var(--transition);
}

.setting-item:hover { border-color: var(--primary-light); }

.setting-item .setting-icon {
  width: 40px; height: 40px;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.setting-item .setting-info { flex: 1; min-width: 0; }
.setting-item .setting-name { font-size: 14px; font-weight: 600; }
.setting-item .setting-status { font-size: 12px; color: var(--text-secondary); margin-top: 1px; }
.setting-item .setting-status.connected { color: var(--success); }

/* ============================================
   Buttons
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  border-radius: var(--radius-sm);
  border: none;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--font);
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  box-shadow: 0 2px 8px rgba(79,70,229,0.25);
}

.btn-primary:hover { box-shadow: 0 4px 14px rgba(79,70,229,0.35); transform: translateY(-1px); }
.btn-primary:active { transform: translateY(0); }

.btn-outline {
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text);
}

.btn-outline:hover { border-color: var(--primary-light); color: var(--primary); background: var(--primary-bg); }

.btn-ghost {
  background: transparent;
  border: none;
  color: var(--text-secondary);
}
.btn-ghost:hover { background: var(--bg); color: var(--text); }

.btn-danger {
  background: var(--danger);
  color: #fff;
}
.btn-danger:hover { opacity: 0.9; }

.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn-xs { padding: 4px 10px; font-size: 11px; border-radius: 6px; }
.btn-icon { width: 32px; height: 32px; padding: 0; justify-content: center; border-radius: 50%; }

/* ---- Tabs ---- */
.tabs {
  display: flex;
  border-bottom: 2px solid var(--border);
  gap: 0;
  margin-bottom: 20px;
}

.tab {
  padding: 10px 20px;
  font-size: 13px;
  font-weight: 700;
  color: var(--text-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all var(--transition);
  background: none;
  border-top: none;
  border-left: none;
  border-right: none;
  font-family: var(--font);
  white-space: nowrap;
}

.tab:hover { color: var(--text); }
.tab.active { color: var(--primary); border-bottom-color: var(--primary); }

.tab-content { display: none; }
.tab-content.active { display: block; }

/* ============================================
   Toggle Switch
   ============================================ */

.toggle {
  position: relative;
  display: inline-flex;
  align-items: center;
  cursor: pointer;
}

.toggle input { display: none; }

.toggle-track {
  width: 38px; height: 22px;
  background: var(--border);
  border-radius: 11px;
  position: relative;
  transition: background var(--transition);
}

.toggle input:checked + .toggle-track { background: var(--success); }

.toggle-thumb {
  position: absolute;
  top: 2px; left: 2px;
  width: 18px; height: 18px;
  background: #fff;
  border-radius: 50%;
  transition: left var(--transition);
  box-shadow: 0 1px 3px rgba(0,0,0,0.15);
}

.toggle input:checked + .toggle-track .toggle-thumb { left: 18px; }

/* ============================================
   Spinner
   ============================================ */

.spinner {
  width: 18px; height: 18px;
  border: 2px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  display: inline-block;
}

@keyframes spin { to { transform: rotate(360deg); } }

.spinner-sm { width: 14px; height: 14px; border-width: 1.5px; }

/* ============================================
   Responsive
   ============================================ */

/* ============================================
   Top Navigation (3-interface switcher)
   ============================================ */

.topnav {
  display: flex;
  gap: 0;
  background: var(--card);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
}

.topnav-item {
  padding: 13px 20px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: all var(--transition);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 7px;
  white-space: nowrap;
  background: none;
  border-top: none;
  border-left: none;
  border-right: none;
  font-family: var(--font);
  letter-spacing: -0.1px;
}

.topnav-item:hover { color: var(--text); }
.topnav-item.active { color: var(--primary); border-bottom-color: var(--primary); }

.topnav-item .nav-hint {
  font-size: 10px;
  font-weight: 500;
  color: var(--text-muted);
  margin-left: 2px;
}

.topnav-item.active .nav-hint { color: var(--primary-light); }

/* ============================================
   Page Container (for page 2 & 3 full-width)
   ============================================ */

.page-container {
  flex: 1;
  padding: 24px;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
}

.page-container.wide { max-width: 1400px; }

.page-title {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.3px;
  margin-bottom: 4px;
}

.page-subtitle {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 24px;
}

/* ============================================
   Automation Page — Status Banner
   ============================================ */

.status-banner {
  padding: 16px 20px;
  border-radius: var(--radius);
  border-left: 4px solid var(--success);
  background: var(--card);
  border: 1px solid var(--border);
  border-left: 4px solid var(--success);
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}

.status-banner .status-icon { font-size: 28px; flex-shrink: 0; }
.status-banner .status-info { flex: 1; }
.status-banner .status-title { font-size: 15px; font-weight: 700; color: var(--success); }
.status-banner .status-desc { font-size: 13px; color: var(--text-secondary); margin-top: 2px; }

.status-banner.warning { border-left-color: var(--warning); }
.status-banner.warning .status-title { color: var(--warning); }

.status-banner.engine-ok { border-left-color: var(--success); }
.status-banner.engine-ok .status-title { color: var(--success); }
.status-banner.engine-idle { border-left-color: var(--text-muted); }
.status-banner.engine-idle .status-title { color: var(--text-muted); }
.status-banner.engine-error { border-left-color: var(--danger); }
.status-banner.engine-error .status-title { color: var(--danger); }

/* ---- Auto-reply Rules ---- */

.auto-rule-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  background: var(--card);
  margin-bottom: 12px;
  transition: all var(--transition);
}

.auto-rule-card:hover { box-shadow: var(--shadow-md); }

.auto-rule-card .rule-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.auto-rule-card .rule-name {
  font-size: 14px;
  font-weight: 700;
  flex: 1;
}

.auto-rule-card .rule-status {
  font-size: 11px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 10px;
}

.rule-status.running { background: var(--success-bg); color: #059669; }
.rule-status.paused  { background: var(--warning-bg); color: #d97706; }
.rule-status.draft  { background: #f1f5f9; color: #64748b; }

.auto-rule-card .rule-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 10px;
}

.rule-detail-item {
  padding: 10px 14px;
  background: var(--bg);
  border-radius: var(--radius-sm);
}

.rule-detail-item .detail-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.3px;
  margin-bottom: 4px;
}

.rule-detail-item .detail-value {
  font-size: 13px;
  color: var(--text);
  font-weight: 600;
}

.auto-rule-card .rule-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-muted);
}

/* ---- Message Log ---- */

.log-table {
  width: 100%;
  border-collapse: collapse;
}

.log-table th {
  padding: 10px 14px;
  text-align: left;
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.3px;
  border-bottom: 1px solid var(--border);
}

.log-table td {
  padding: 10px 14px;
  font-size: 13px;
  border-bottom: 1px solid var(--border-light);
  color: var(--text);
}

.log-table tr:hover td { background: #fafbff; }

/* ============================================
   Management Page — Stats Grid
   ============================================ */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}

.stat-card-sm {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.stat-card-sm .stat-icon-sm {
  width: 40px; height: 40px;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.stat-icon-blue   { background: #eef2ff; color: #6366f1; }
.stat-icon-orange { background: #fffbeb; color: #f59e0b; }
.stat-icon-green  { background: #ecfdf5; color: #10b981; }
.stat-icon-red    { background: #fef2f2; color: #ef4444; }
.stat-icon-purple { background: #f5f3ff; color: #8b5cf6; }

.stat-card-sm .stat-value-sm {
  font-size: 22px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.5px;
}

.stat-card-sm .stat-label-sm {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* ============================================
   Management Page — Filter Bar
   ============================================ */

.filter-bar {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 6px;
}

.filter-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.3px;
  white-space: nowrap;
}

.filter-bar select,
.filter-bar input {
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 12px;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  outline: none;
}

.filter-bar select:focus,
.filter-bar input:focus {
  border-color: var(--primary-light);
  background: var(--card);
}

.filter-divider {
  width: 1px;
  height: 22px;
  background: var(--border);
  margin: 0 2px;
}

/* ============================================
   Management Page — Table
   ============================================ */

.table-wrap {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--card);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

thead { background: #f8fafc; }

th {
  padding: 10px 14px;
  text-align: left;
  font-weight: 700;
  color: var(--text-muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  white-space: nowrap;
  border-bottom: 1px solid var(--border);
}

td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--border-light);
  color: var(--text);
  vertical-align: middle;
}

tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: #fafbff; }

/* ---- Tags ---- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
  white-space: nowrap;
}

.tag-blue   { background: #eef2ff; color: #4f46e5; }
.tag-green  { background: #ecfdf5; color: #059669; }
.tag-orange { background: #fffbeb; color: #d97706; }
.tag-red    { background: #fef2f2; color: #dc2626; }
.tag-gray   { background: #f1f5f9; color: #64748b; }
.tag-purple { background: #f5f3ff; color: #7c3aed; }

/* ---- Table Score ---- */
.score-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px; height: 34px;
  border-radius: 50%;
  font-size: 13px;
  font-weight: 800;
  flex-shrink: 0;
}

/* ---- Pagination ---- */
.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  font-size: 12px;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
  background: var(--card);
}

.pagination-controls {
  display: flex;
  align-items: center;
  gap: 4px;
}

.page-btn {
  width: 30px; height: 30px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--card);
  cursor: pointer;
  font-size: 13px;
  color: var(--text);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font);
  transition: all var(--transition);
}

.page-btn:hover { border-color: var(--primary-light); color: var(--primary); }
.page-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.page-btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* ---- Chips ---- */
.chip-group {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 5px 12px;
  border-radius: 16px;
  border: 1px solid var(--border);
  font-size: 12px;
  cursor: pointer;
  background: var(--card);
  color: var(--text);
  transition: all var(--transition);
  font-family: var(--font);
}

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

/* ============================================
   Management Page — Rule Engine
   ============================================ */

.rule-group {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  background: var(--bg);
  margin-bottom: 10px;
}

.rule-group-header {
  display: flex;
  align-items: center;
  gap: 10px;
}

.rule-group-header .rule-score-tag {
  font-size: 12px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 8px;
}

.rule-group-header .rule-name {
  font-size: 13px;
  font-weight: 700;
  flex: 1;
}

.rule-group-header .rule-hit {
  font-size: 12px;
  color: var(--text-muted);
}

.rule-desc {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 6px;
  padding-left: 4px;
}

/* ============================================
   Management Page — Forms
   ============================================ */

.form-group { margin-bottom: 14px; }

.form-label {
  display: block;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-secondary);
  margin-bottom: 5px;
}

.form-label .req { color: var(--danger); }

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-family: var(--font);
  color: var(--text);
  background: var(--card);
  outline: none;
  transition: border-color var(--transition);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--primary-light);
  box-shadow: 0 0 0 3px rgba(99,102,241,0.08);
}

.form-textarea { resize: vertical; min-height: 80px; }
.form-hint { font-size: 12px; color: var(--text-muted); margin-top: 4px; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

@media (max-width: 768px) {
  .form-row { grid-template-columns: 1fr; }
  .auto-rule-card .rule-detail { grid-template-columns: 1fr; }
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 640px) {
  .main-content { padding: 20px 16px 32px; }
  .page-container { padding: 16px; }
  .panel { width: 100vw; }
  .lead-card { padding: 14px 16px; }
  .lead-card .card-arrow { opacity: 1; }
  .score-circle { width: 36px; height: 36px; font-size: 14px; }
  .header { padding: 0 16px; }
  .topnav { padding: 0 12px; overflow-x: auto; }
  .topnav-item { padding: 12px 14px; font-size: 12px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
}