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

:root {
  --primary: #e84393;
  --primary-dark: #d63384;
  --primary-light: #fd79a8;
  --bg: #f8f9fa;
  --sidebar-bg: #1a1a2e;
  --sidebar-text: #a0a0b8;
  --card-bg: #fff;
  --text: #2d3436;
  --text-light: #636e72;
  --border: #e9ecef;
  --success: #00b894;
  --danger: #e17055;
  --purple: #6c5ce7;
  --line-green: #06C755;
  --radius: 12px;
  --shadow: 0 2px 12px rgba(0,0,0,0.08);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft JhengHei', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

.app { display: flex; min-height: 100vh; }

/* Sidebar */
.sidebar {
  width: 240px; background: var(--sidebar-bg); color: #fff;
  padding: 24px 16px; position: fixed; height: 100vh; z-index: 100;
}
.logo {
  display: flex; align-items: center; gap: 10px;
  padding: 0 12px 24px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-bottom: 24px; font-size: 18px; font-weight: 600;
}
.logo-icon { font-size: 28px; }
nav { display: flex; flex-direction: column; gap: 4px; }
.nav-item {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 16px; border-radius: 10px;
  color: var(--sidebar-text); text-decoration: none;
  font-size: 15px; transition: all 0.2s;
}
.nav-item:hover { background: rgba(255,255,255,0.06); color: #fff; }
.nav-item.active { background: var(--primary); color: #fff; }

/* Main */
.main-content { flex: 1; margin-left: 240px; padding: 32px; }
.page-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 28px; }
.page-header h1 { font-size: 26px; font-weight: 700; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 20px; border: none; border-radius: 10px;
  font-size: 14px; font-weight: 600; cursor: pointer;
  transition: all 0.2s; font-family: inherit;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-1px); box-shadow: 0 4px 15px rgba(232,67,147,0.35); }
.btn-secondary { background: var(--border); color: var(--text); }
.btn-secondary:hover { background: #ddd; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #d35400; }
.btn-sm { padding: 6px 14px; font-size: 13px; }

/* Persona Grid */
.persona-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 20px; }
.persona-card { background: var(--card-bg); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; transition: all 0.2s; }
.persona-card:hover { transform: translateY(-3px); box-shadow: 0 8px 25px rgba(0,0,0,0.12); }
.persona-card-images { height: 200px; display: flex; overflow-x: auto; scrollbar-width: none; }
.persona-card-images::-webkit-scrollbar { display: none; }
.persona-card-images img { width: 100%; min-width: 200px; height: 200px; object-fit: cover; flex-shrink: 0; }
.persona-card-images .no-image { width: 100%; height: 200px; background: linear-gradient(135deg, #fd79a8, #e84393); display: flex; align-items: center; justify-content: center; color: #fff; font-size: 48px; }
.persona-card-body { padding: 18px; }
.persona-card-body h3 { font-size: 18px; margin-bottom: 4px; display: flex; align-items: center; gap: 8px; }
.persona-card-body h3 .age-badge { font-size: 13px; font-weight: 500; color: var(--primary); background: rgba(232,67,147,0.1); padding: 2px 8px; border-radius: 20px; }
.persona-card-body .location { font-size: 13px; color: var(--text-light); margin-bottom: 8px; }
.persona-card-body .bio { font-size: 14px; color: var(--text-light); margin-bottom: 12px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.persona-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
.persona-tags .tag { font-size: 12px; padding: 3px 10px; border-radius: 20px; background: rgba(232,67,147,0.08); color: var(--primary); }
.persona-card-footer { display: flex; align-items: center; justify-content: space-between; padding: 14px 18px; border-top: 1px solid var(--border); background: #fafafa; flex-wrap: wrap; gap: 8px; }
.persona-link { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--primary); cursor: pointer; text-decoration: none; }
.persona-link:hover { text-decoration: underline; }
.persona-actions { display: flex; gap: 8px; }

/* ==================== Analytics ==================== */

/* Sub Tabs */
.analytics-tabs {
  display: flex; gap: 4px; margin-bottom: 24px;
  background: var(--bg); padding: 4px; border-radius: 10px;
  border: 1px solid var(--border);
}
.atab {
  flex: 1; padding: 10px 16px; border: none; border-radius: 8px;
  font-size: 14px; font-weight: 600; cursor: pointer; font-family: inherit;
  background: transparent; color: var(--text-light); transition: all 0.2s;
}
.atab:hover { color: var(--text); }
.atab.active { background: var(--primary); color: #fff; box-shadow: 0 2px 8px rgba(232,67,147,0.3); }
.atab-content { display: none; }
.atab-content.active { display: block; }

/* Stat Cards */
.overview-grid { display: grid; gap: 16px; margin-bottom: 24px; }
.overview-grid.three { grid-template-columns: repeat(3, 1fr); }
.stat-card {
  background: var(--card-bg); border-radius: var(--radius);
  padding: 24px 20px; box-shadow: var(--shadow);
  text-align: center; border-top: 3px solid transparent;
}
.stat-card.purple { border-top-color: #6c5ce7; }
.stat-card.green { border-top-color: #06C755; }
.stat-card.pink { border-top-color: #e84393; }
.stat-num { font-size: 36px; font-weight: 800; color: var(--text); margin-bottom: 4px; }
.stat-label { font-size: 13px; color: var(--text-light); }

/* Record Table */
.record-table-card {
  background: var(--card-bg); border-radius: var(--radius);
  box-shadow: var(--shadow); overflow: hidden; margin-bottom: 24px;
}
.table-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 20px; border-bottom: 1px solid var(--border);
}
.table-header h3 { font-size: 16px; font-weight: 700; }
.record-count { font-size: 13px; color: var(--text-light); background: var(--bg); padding: 4px 12px; border-radius: 20px; }
.table-scroll { overflow-x: auto; }
.record-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.record-table thead { background: #f8f9fb; }
.record-table th {
  padding: 12px 16px; text-align: left; font-weight: 600;
  color: var(--text-light); font-size: 12px; text-transform: uppercase;
  letter-spacing: 0.5px; white-space: nowrap; border-bottom: 1px solid var(--border);
}
.record-table td {
  padding: 14px 16px; border-bottom: 1px solid #f0f0f0;
  color: var(--text); vertical-align: middle;
}
.record-table tbody tr:hover { background: #fafbfc; }
.record-table .ip-cell { font-family: 'Courier New', monospace; font-size: 13px; color: var(--purple); font-weight: 600; }
.record-table .time-cell { font-size: 13px; color: var(--text-light); white-space: nowrap; }
.record-table .persona-cell { display: flex; flex-wrap: wrap; gap: 4px; }
.persona-tag { font-size: 12px; padding: 2px 10px; border-radius: 20px; background: rgba(108,92,231,0.1); color: var(--purple); font-weight: 500; }
.line-badge {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 12px; font-weight: 600; padding: 4px 12px; border-radius: 20px;
}
.line-badge.yes { background: rgba(6,199,85,0.12); color: #06C755; }
.line-badge.no { background: rgba(0,0,0,0.04); color: #bbb; }
.clicked-persona { font-size: 11px; color: var(--text-light); margin-top: 2px; }
.visit-count { font-weight: 700; color: var(--text); }
.source-cell { font-size: 13px; color: var(--text-light); }
.empty-msg { text-align: center; padding: 40px; color: #bbb; font-size: 14px; }

/* History Controls */
.history-controls {
  display: flex; align-items: center; gap: 16px; margin-bottom: 20px;
  flex-wrap: wrap;
}
.date-picker-wrap {
  display: flex; align-items: center; gap: 8px;
}
.date-picker-wrap label { font-size: 14px; font-weight: 600; color: var(--text); white-space: nowrap; }
.date-picker-wrap input[type="date"] {
  padding: 8px 14px; border: 1.5px solid var(--border); border-radius: 8px;
  font-size: 14px; font-family: inherit; background: #fff;
}
.date-picker-wrap input[type="date"]:focus { outline: none; border-color: var(--primary); }
.quick-dates { display: flex; gap: 6px; flex-wrap: wrap; }
.quick-date-btn {
  padding: 5px 12px; border: 1px solid var(--border); border-radius: 20px;
  font-size: 12px; background: #fff; cursor: pointer; font-family: inherit;
  color: var(--text-light); transition: all 0.2s;
}
.quick-date-btn:hover { border-color: var(--primary); color: var(--primary); }
.quick-date-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* 每日一覽 */
.daily-toolbar {
  display: flex; align-items: center; gap: 10px; margin-bottom: 16px;
}
.daily-toolbar label { font-size: 14px; font-weight: 600; }
.daily-toolbar select {
  padding: 8px 14px; border: 1.5px solid var(--border); border-radius: 8px;
  font-size: 14px; font-family: inherit; background: #fff; cursor: pointer;
}
.daily-summary-card {
  background: var(--card-bg); border-radius: var(--radius);
  box-shadow: var(--shadow); overflow: hidden; margin-bottom: 16px;
}
.daily-summary-table {
  width: 100%; border-collapse: collapse; font-size: 14px;
}
.daily-summary-table thead { background: #f8f9fb; }
.daily-summary-table th {
  padding: 14px 16px; text-align: left; font-weight: 600;
  color: var(--text-light); font-size: 12px; text-transform: uppercase;
  letter-spacing: 0.5px; border-bottom: 1px solid var(--border);
}
.daily-summary-table td {
  padding: 14px 16px; border-bottom: 1px solid #f0f0f0;
  color: var(--text); vertical-align: middle;
}
.daily-summary-table tbody tr:hover { background: #fafbfc; }
.daily-summary-table .date-cell { font-weight: 600; color: var(--text); }
.daily-summary-table .num-cell { font-weight: 700; }
.daily-summary-table .rate-cell { color: var(--primary); font-weight: 600; }
.daily-summary-table .btn-view { padding: 6px 14px; font-size: 13px; }
.daily-detail-panel {
  background: var(--card-bg); border-radius: var(--radius);
  box-shadow: var(--shadow); overflow: hidden; margin-top: 16px;
  border: 1px solid var(--border);
}

/* Date Filter Bar */
.date-filter-bar {
  display: flex; align-items: center; gap: 10px; margin-bottom: 20px;
}
.date-filter-bar label { font-size: 14px; font-weight: 600; }
.date-filter-bar select {
  padding: 8px 14px; border: 1.5px solid var(--border); border-radius: 8px;
  font-size: 14px; font-family: inherit; background: #fff; cursor: pointer;
}

.charts-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }

.chart-card {
  background: var(--card-bg); border-radius: var(--radius);
  padding: 22px 20px; box-shadow: var(--shadow);
}
.chart-card.full-width { margin-bottom: 16px; }
.chart-title { font-size: 15px; font-weight: 700; margin-bottom: 16px; color: var(--text); }

/* Bar Chart */
.bar-chart { display: flex; flex-direction: column; gap: 10px; }
.bar-item { display: flex; align-items: center; gap: 10px; }
.bar-label { width: 100px; font-size: 13px; color: var(--text); text-align: right; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; flex-shrink: 0; }
.bar-track { flex: 1; height: 28px; background: var(--bg); border-radius: 6px; overflow: hidden; position: relative; }
.bar-fill { height: 100%; border-radius: 6px; transition: width 0.6s ease; min-width: 2px; display: flex; align-items: center; padding-left: 10px; }
.bar-fill span { font-size: 12px; font-weight: 600; color: #fff; white-space: nowrap; }
.bar-value { font-size: 13px; font-weight: 600; color: var(--text); min-width: 40px; text-align: right; }

.bar-fill.purple { background: linear-gradient(90deg, #6c5ce7, #a29bfe); }
.bar-fill.green { background: linear-gradient(90deg, #00b894, #55efc4); }
.bar-fill.pink { background: linear-gradient(90deg, #e84393, #fd79a8); }
.bar-fill.blue { background: linear-gradient(90deg, #0984e3, #74b9ff); }
.bar-fill.orange { background: linear-gradient(90deg, #e17055, #fab1a0); }

.no-data-msg { text-align: center; padding: 30px; color: #bbb; font-size: 14px; }

/* Daily Trend */
.daily-trend { display: flex; align-items: flex-end; gap: 3px; height: 160px; padding-top: 10px; }
.daily-bar-group { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 2px; height: 100%; justify-content: flex-end; }
.daily-bars { display: flex; gap: 2px; align-items: flex-end; width: 100%; }
.daily-bar { flex: 1; border-radius: 3px 3px 0 0; transition: height 0.4s ease; min-height: 2px; cursor: pointer; position: relative; }
.daily-bar.visits { background: var(--purple); }
.daily-bar.clicks { background: var(--line-green); }
.daily-bar:hover { opacity: 0.8; }
.daily-bar-label { font-size: 10px; color: var(--text-light); margin-top: 4px; white-space: nowrap; }
.daily-legend { display: flex; gap: 20px; margin-bottom: 12px; }
.daily-legend-item { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--text-light); }
.daily-legend-dot { width: 10px; height: 10px; border-radius: 3px; }

/* Pixel Management */
.pixel-hint { font-size: 14px; color: var(--text-light); padding: 12px 16px; background: rgba(232,67,147,0.05); border-radius: 8px; border-left: 3px solid var(--primary); }
.pixel-list { display: flex; flex-direction: column; gap: 12px; }
.pixel-empty { text-align: center; padding: 60px 20px; color: #bbb; font-size: 15px; background: var(--card-bg); border-radius: var(--radius); box-shadow: var(--shadow); }
.pixel-row {
  display: flex; align-items: center; gap: 16px;
  background: var(--card-bg); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 16px 20px;
}
.pixel-row-icon {
  width: 40px; height: 40px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.pixel-row-icon.fb { background: #e8f0fe; }
.pixel-row-icon.tk { background: #f0f0f0; }
.pixel-row-info { flex: 1; min-width: 0; }
.pixel-row-name { font-weight: 600; font-size: 15px; margin-bottom: 4px; }
.pixel-row-id { font-size: 13px; color: var(--text-light); font-family: monospace; }
.pixel-row-event { font-size: 12px; color: #aaa; margin-top: 3px; }
.pixel-type-badge {
  font-size: 11px; font-weight: 600; padding: 3px 8px; border-radius: 20px;
  flex-shrink: 0;
}
.pixel-type-badge.fb { background: #e8f0fe; color: #1877F2; }
.pixel-type-badge.tk { background: #f0f0f0; color: #333; }
.pixel-row-actions { display: flex; gap: 8px; flex-shrink: 0; }

/* Pixel assign in persona modal */
.pixel-assign-list { display: flex; flex-direction: column; gap: 8px; }
.pixel-assign-item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 14px; border-radius: 8px; border: 1px solid var(--border);
  cursor: pointer; transition: border-color 0.2s, background 0.2s;
}
.pixel-assign-item:hover { border-color: var(--primary); background: rgba(232,67,147,0.03); }
.pixel-assign-item input[type="checkbox"] { width: 16px; height: 16px; cursor: pointer; accent-color: var(--primary); }
.pixel-assign-label { flex: 1; }
.pixel-assign-label strong { font-size: 14px; display: block; }
.pixel-assign-label span { font-size: 12px; color: var(--text-light); font-family: monospace; }
.pixel-assign-empty { color: #bbb; font-size: 13px; padding: 8px 0; }

/* Forms */
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 6px; color: var(--text); }
.required { color: var(--danger); }
.form-hint { font-size: 12px; color: var(--text-light); margin-top: 4px; }
.form-group input, .form-group textarea, .form-group select {
  width: 100%; padding: 10px 14px; border: 1.5px solid var(--border);
  border-radius: 10px; font-size: 14px; font-family: inherit;
  transition: border-color 0.2s; background: #fff;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  outline: none; border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(232,67,147,0.12);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.upload-area {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 8px; padding: 24px; border: 2px dashed var(--border); border-radius: 12px;
  cursor: pointer; color: var(--text-light); transition: all 0.2s;
}
.upload-area:hover { border-color: var(--primary); background: rgba(232,67,147,0.03); color: var(--primary); }

.image-preview-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(90px, 1fr)); gap: 10px; margin-bottom: 12px; }
.image-preview-grid .preview-item { position: relative; width: 100%; padding-top: 100%; border-radius: 10px; overflow: hidden; }
.image-preview-grid .preview-item img { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; }
.image-preview-grid .preview-item .remove-btn { position: absolute; top: 4px; right: 4px; width: 22px; height: 22px; border-radius: 50%; background: rgba(0,0,0,0.6); color: #fff; border: none; cursor: pointer; font-size: 14px; display: flex; align-items: center; justify-content: center; line-height: 1; }

/* Modal */
.modal { display: none; position: fixed; inset: 0; z-index: 1000; align-items: center; justify-content: center; }
.modal.active { display: flex; }
.modal-overlay { position: absolute; inset: 0; background: rgba(0,0,0,0.5); backdrop-filter: blur(4px); }
.modal-content { position: relative; background: #fff; width: 580px; max-height: 90vh; overflow-y: auto; border-radius: 16px; box-shadow: 0 20px 60px rgba(0,0,0,0.2); }
.modal-header { display: flex; align-items: center; justify-content: space-between; padding: 20px 24px; border-bottom: 1px solid var(--border); }
.modal-header h2 { font-size: 20px; }
.modal-close { width: 36px; height: 36px; border: none; background: var(--bg); border-radius: 50%; font-size: 22px; cursor: pointer; display: flex; align-items: center; justify-content: center; color: var(--text-light); }
.modal-close:hover { background: var(--border); }
#persona-form { padding: 24px; }
.modal-footer { display: flex; justify-content: flex-end; gap: 12px; margin-top: 8px; }

.status-msg { margin-top: 14px; font-size: 14px; padding: 10px 16px; border-radius: 8px; display: none; }
.status-msg.success { display: block; background: rgba(0,184,148,0.1); color: var(--success); }
.status-msg.error { display: block; background: rgba(225,112,85,0.1); color: var(--danger); }

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

/* Responsive */
@media (max-width: 768px) {
  .sidebar { width: 70px; padding: 16px 8px; }
  .logo span, .nav-item span { display: none; }
  .nav-item { justify-content: center; padding: 12px; }
  .main-content { margin-left: 70px; padding: 20px; }
  .persona-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .modal-content { width: 95%; margin: 0 10px; }
  .overview-grid.three { grid-template-columns: 1fr; }
  .charts-row { grid-template-columns: 1fr; }
  .analytics-tabs { flex-direction: column; }
  .history-controls { flex-direction: column; align-items: flex-start; }
  .record-table { font-size: 12px; }
  .record-table th, .record-table td { padding: 10px 10px; }
}