:root {
  --bg-primary: #0f1117;
  --bg-secondary: #1a1d27;
  --bg-tertiary: #242836;
  --bg-hover: #2d3245;
  --text-primary: #e4e6f0;
  --text-secondary: #9ba1b5;
  --text-muted: #6b7280;
  --accent: #6c63ff;
  --accent-light: #8b83ff;
  --border: #2d3245;
  --success: #4ade80;
  --warning: #fbbf24;
  --danger: #f87171;
  --radius: 10px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
}

* {
  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-primary);
  color: var(--text-primary);
  overflow: hidden;
  height: 100vh;
}

/* Nav */
.top-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  height: 56px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  z-index: 100;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand-icon { font-size: 24px; }
.brand-text { font-size: 18px; font-weight: 700; }
.brand-sub { font-size: 12px; color: var(--text-muted); margin-left: 4px; }

.nav-tabs { display: flex; gap: 4px; }

.nav-tab {
  padding: 8px 18px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 14px;
  cursor: pointer;
  border-radius: 8px;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-tab:hover { background: var(--bg-hover); color: var(--text-primary); }
.nav-tab.active { background: var(--accent); color: #fff; }
.tab-icon { font-size: 16px; }

/* Tab content */
.tab-content {
  display: none;
  height: calc(100vh - 56px);
}
.tab-content.active { display: flex; }

/* Architecture layout */
.arch-layout {
  display: flex;
  width: 100%;
  height: 100%;
}

.arch-sidebar {
  width: 240px;
  min-width: 240px;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  padding: 16px;
  overflow-y: auto;
}

.sidebar-section { margin-bottom: 20px; }
.sidebar-section h3 {
  font-size: 13px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 10px;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.2s;
  font-size: 13px;
}
.legend-item:hover { background: var(--bg-hover); }
.legend-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
}

.filter-btn {
  display: block;
  width: 100%;
  padding: 8px 12px;
  margin-bottom: 4px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-secondary);
  font-size: 13px;
  border-radius: 6px;
  cursor: pointer;
  text-align: left;
  transition: all 0.2s;
}
.filter-btn:hover { background: var(--bg-hover); }
.filter-btn.active { background: var(--accent); color: #fff; border-color: var(--accent); }

.hint-box {
  background: var(--bg-tertiary);
  border-radius: 8px;
  padding: 12px;
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.8;
}
.hint-box b { color: var(--text-primary); }

.arch-main {
  flex: 1;
  position: relative;
  overflow: hidden;
}

#cy-container, #db-cy-container, #df-cy-container {
  width: 100%;
  height: 100%;
}

/* Detail panel */
.detail-panel {
  position: absolute;
  top: 0;
  right: 0;
  width: 420px;
  height: 100%;
  background: var(--bg-secondary);
  border-left: 1px solid var(--border);
  box-shadow: -8px 0 32px rgba(0, 0, 0, 0.3);
  overflow-y: auto;
  padding: 24px;
  z-index: 50;
  transition: transform 0.3s ease;
}
.detail-panel.hidden { transform: translateX(100%); pointer-events: none; }

.panel-close {
  position: absolute;
  top: 12px;
  right: 16px;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 28px;
  cursor: pointer;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all 0.2s;
}
.panel-close:hover { background: var(--bg-hover); color: var(--text-primary); }

.detail-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  padding-right: 32px;
}

.detail-badge {
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  color: #fff;
}

.detail-title {
  font-size: 22px;
  font-weight: 700;
}

.detail-desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 20px;
  padding: 12px 16px;
  background: var(--bg-tertiary);
  border-radius: 8px;
  border-left: 3px solid var(--accent);
}

.detail-highlight {
  background: linear-gradient(135deg, #6c63ff22, #ff6b6b22);
  border: 1px solid #6c63ff44;
  border-radius: 8px;
  padding: 10px 14px;
  margin-bottom: 16px;
  font-size: 13px;
  color: var(--warning);
}

.detail-section {
  margin-bottom: 16px;
}
.detail-section-title {
  font-size: 13px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.detail-list {
  list-style: none;
  font-size: 13px;
  line-height: 1.8;
}
.detail-list li {
  padding: 4px 0;
  padding-left: 16px;
  position: relative;
  color: var(--text-secondary);
}
.detail-list li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: bold;
}

.detail-tag {
  display: inline-block;
  padding: 2px 10px;
  margin: 2px 4px 2px 0;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 12px;
  font-size: 12px;
  color: var(--text-secondary);
}

.config-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
  margin-top: 4px;
}
.config-table th {
  text-align: left;
  padding: 6px 8px;
  background: var(--bg-tertiary);
  color: var(--text-muted);
  font-weight: 600;
}
.config-table td {
  padding: 6px 8px;
  border-top: 1px solid var(--border);
  color: var(--text-secondary);
}
.config-table td:first-child {
  font-family: 'Cascadia Code', 'Fira Code', monospace;
  color: var(--accent-light);
}

/* Database layout */
.db-layout {
  display: flex;
  width: 100%;
  height: 100%;
}

.db-sidebar {
  width: 240px;
  min-width: 240px;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  padding: 16px;
  overflow-y: auto;
}

.db-sidebar h3 {
  font-size: 13px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 10px;
}

.db-main {
  flex: 1;
  position: relative;
  overflow: hidden;
}

.table-group-item {
  padding: 8px 12px;
  margin-bottom: 4px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: background 0.2s;
  color: var(--text-secondary);
}
.table-group-item:hover { background: var(--bg-hover); }
.table-group-item.active { background: var(--bg-hover); color: var(--text-primary); }

.group-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.group-count {
  margin-left: auto;
  font-size: 11px;
  color: var(--text-muted);
  background: var(--bg-tertiary);
  padding: 1px 8px;
  border-radius: 10px;
}

/* Flow timeline */
.flow-container {
  width: 100%;
  height: 100%;
  overflow-y: auto;
  padding: 32px;
}

.flow-header {
  text-align: center;
  margin-bottom: 32px;
}
.flow-header h2 { font-size: 24px; margin-bottom: 8px; }
.flow-subtitle { color: var(--text-secondary); font-size: 14px; }

.flow-timeline {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  padding-left: 40px;
}

.flow-timeline::before {
  content: '';
  position: absolute;
  left: 19px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent), var(--success), var(--warning), var(--danger));
}

.flow-step {
  position: relative;
  margin-bottom: 24px;
  padding: 20px 24px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all 0.3s;
  cursor: pointer;
}
.flow-step:hover {
  border-color: var(--accent);
  transform: translateX(4px);
  box-shadow: var(--shadow);
}

.flow-step::before {
  content: attr(data-step);
  position: absolute;
  left: -40px;
  top: 20px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.flow-step[data-phase="startup"]::before { background: #6c63ff; }
.flow-step[data-phase="request"]::before { background: #4ECDC4; }
.flow-step[data-phase="async"]::before { background: #FFE66D; color: #333; }
.flow-step[data-phase="process"]::before { background: #FF6B6B; }
.flow-step[data-phase="ticker"]::before { background: #F38181; }
.flow-step[data-phase="alert"]::before { background: #4ade80; color: #333; }
.flow-step[data-phase="background"]::before { background: #90A4AE; }

.flow-step-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}

.flow-step-title { font-size: 17px; font-weight: 700; }
.flow-step-actor {
  font-size: 12px;
  color: var(--accent-light);
  background: var(--accent)22;
  padding: 2px 10px;
  border-radius: 12px;
}

.flow-step-desc {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.flow-step-details {
  display: none;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}
.flow-step.expanded .flow-step-details { display: block; }

.flow-step-details ul {
  list-style: none;
  font-size: 13px;
  line-height: 1.8;
  color: var(--text-secondary);
}
.flow-step-details li {
  padding-left: 16px;
  position: relative;
}
.flow-step-details li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent);
}

.flow-important {
  margin-top: 10px;
  padding: 8px 14px;
  background: linear-gradient(135deg, #fbbf2422, #f8717122);
  border: 1px solid #fbbf2444;
  border-radius: 6px;
  font-size: 12px;
  color: var(--warning);
}

.flow-code {
  margin-top: 8px;
  font-size: 12px;
  color: var(--text-muted);
  font-family: 'Cascadia Code', 'Fira Code', monospace;
}

.flow-expand-hint {
  font-size: 12px;
  color: var(--text-muted);
  float: right;
}

/* Service Flow V2 - Pipeline visualization */
.flow-phase-header { display: flex; align-items: center; gap: 8px; padding: 12px 0 6px 14px; font-size: 12px; font-weight: 700; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; }
.flow-phase-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }

.flow-step-v2 { display: flex; gap: 0; cursor: pointer; margin-bottom: 2px; transition: all 0.2s; }
.flow-step-v2:hover .flow-step-card { border-color: var(--accent); }
.flow-step-v2.expanded .flow-step-card { border-color: var(--accent); box-shadow: 0 0 20px rgba(108,99,255,0.15); }

.flow-step-line { display: flex; flex-direction: column; align-items: center; width: 48px; flex-shrink: 0; position: relative; }
.flow-step-num { width: 32px; height: 32px; border-radius: 50%; background: var(--phase-color, var(--accent)); display: flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 700; color: white; flex-shrink: 0; z-index: 1; }
.flow-step-v2.expanded .flow-step-num { box-shadow: 0 0 12px var(--phase-color, var(--accent)); transform: scale(1.1); }
.flow-step-connector { width: 2px; flex: 1; background: var(--border); min-height: 16px; }

.flow-step-card { flex: 1; background: var(--bg-secondary); border: 1px solid var(--border); border-radius: var(--radius); padding: 12px 16px; margin-bottom: 4px; transition: all 0.2s; }
.flow-step-card-header { display: flex; justify-content: space-between; align-items: flex-start; }
.flow-step-card-title { font-size: 14px; font-weight: 700; color: var(--text-primary); }
.flow-step-card-actor { font-size: 11px; color: var(--accent-light); margin-top: 2px; font-family: monospace; }
.flow-expand-icon { color: var(--text-muted); font-size: 14px; transition: transform 0.2s; flex-shrink: 0; padding: 2px 4px; }
.flow-step-v2.expanded .flow-expand-icon { transform: rotate(180deg); }
.flow-step-card-desc { font-size: 13px; color: var(--text-secondary); margin-top: 6px; line-height: 1.5; }

.flow-step-card-details { max-height: 0; overflow: hidden; transition: max-height 0.3s ease, padding 0.3s ease; }
.flow-step-v2.expanded .flow-step-card-details { max-height: 500px; padding-top: 10px; }
.flow-detail-item { font-size: 12px; color: var(--text-secondary); line-height: 1.7; padding: 2px 0; }
.flow-important-v2 { margin-top: 8px; padding: 8px 12px; background: rgba(251,191,36,0.08); border: 1px solid rgba(251,191,36,0.2); border-radius: 6px; font-size: 12px; color: var(--warning); line-height: 1.5; }
.flow-code-v2 { margin-top: 6px; font-size: 11px; color: var(--text-muted); font-family: monospace; padding: 6px 10px; background: var(--bg-tertiary); border-radius: 4px; }

/* Learning */
.learning-container {
  width: 100%;
  height: 100%;
  overflow-y: auto;
  padding: 32px;
}

.learning-header {
  text-align: center;
  margin-bottom: 32px;
}
.learning-header h2 { margin-bottom: 20px; }

.learning-stats {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 20px;
}

.stat-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 32px;
  text-align: center;
}
.stat-number {
  display: block;
  font-size: 32px;
  font-weight: 700;
  color: var(--accent);
}
.stat-label {
  font-size: 13px;
  color: var(--text-muted);
}

.progress-bar-container {
  width: 100%;
  max-width: 500px;
  margin: 0 auto;
  height: 8px;
  background: var(--bg-tertiary);
  border-radius: 4px;
  overflow: hidden;
}
.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--success));
  border-radius: 4px;
  transition: width 0.5s ease;
  width: 0;
}

.learning-weeks {
  max-width: 700px;
  margin: 0 auto;
}

.week-section {
  margin-bottom: 24px;
}

.week-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
  padding: 8px 16px;
  background: var(--bg-secondary);
  border-radius: 8px;
  border-left: 3px solid var(--accent);
}

.check-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  margin-bottom: 4px;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.2s;
  font-size: 14px;
}
.check-item:hover { background: var(--bg-secondary); }

.check-item input[type="checkbox"] {
  appearance: none;
  width: 20px;
  height: 20px;
  border: 2px solid var(--border);
  border-radius: 4px;
  cursor: pointer;
  flex-shrink: 0;
  position: relative;
  transition: all 0.2s;
}
.check-item input[type="checkbox"]:checked {
  background: var(--success);
  border-color: var(--success);
}
.check-item input[type="checkbox"]:checked::after {
  content: '✓';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: #fff;
  font-size: 14px;
  font-weight: bold;
}

.check-item.done .check-text {
  text-decoration: line-through;
  color: var(--text-muted);
}

/* Column detail in DB panel */
.col-list {
  font-family: 'Cascadia Code', 'Fira Code', monospace;
  font-size: 12px;
  line-height: 2;
}
.col-pk { color: var(--warning); }
.col-fk { color: var(--accent-light); }
.col-normal { color: var(--text-secondary); }

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

/* Responsive tooltip for graph */
.cy-tooltip {
  position: absolute;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 14px;
  font-size: 13px;
  color: var(--text-primary);
  pointer-events: none;
  z-index: 200;
  box-shadow: var(--shadow);
  max-width: 250px;
}

/* ===== Quiz System ===== */
.quiz-container {
  width: 100%;
  height: 100%;
  overflow-y: auto;
}

.quiz-hero {
  text-align: center;
  padding: 40px 24px 24px;
}
.quiz-hero h1 { font-size: 28px; margin-bottom: 8px; }
.quiz-hero-sub { color: var(--text-secondary); font-size: 15px; margin-bottom: 24px; }

.quiz-global-stats {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 8px;
}

.level-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
  padding: 16px 32px 40px;
  max-width: 1100px;
  margin: 0 auto;
}

.level-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  cursor: pointer;
  transition: all 0.25s;
  position: relative;
  overflow: hidden;
}
.level-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}
.level-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
}

.level-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}
.level-icon {
  font-size: 32px;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
}
.level-card-header h3 { font-size: 17px; }
.level-card-header .level-sub { font-size: 13px; color: var(--text-muted); }

.level-desc {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 14px;
  line-height: 1.6;
}

.level-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
}
.level-q-count {
  color: var(--text-muted);
}
.level-score {
  padding: 3px 12px;
  border-radius: 12px;
  font-weight: 600;
}
.level-score.none { background: var(--bg-tertiary); color: var(--text-muted); }
.level-score.low { background: #f8717133; color: #f87171; }
.level-score.mid { background: #fbbf2433; color: #fbbf24; }
.level-score.high { background: #4ade8033; color: #4ade80; }
.level-score.perfect { background: #6c63ff33; color: #8b83ff; }

.level-progress-mini {
  width: 100%;
  height: 4px;
  background: var(--bg-tertiary);
  border-radius: 2px;
  margin-top: 12px;
  overflow: hidden;
}
.level-progress-mini-bar {
  height: 100%;
  border-radius: 2px;
  transition: width 0.5s;
}

/* Quiz active */
.quiz-top-bar {
  display: flex;
  align-items: center;
  padding: 12px 24px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  gap: 16px;
}
.quiz-back-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 6px 14px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  transition: all 0.2s;
}
.quiz-back-btn:hover { background: var(--bg-hover); color: var(--text-primary); }

.quiz-progress-info {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
}
.quiz-progress-info span:first-child { font-weight: 600; }
.quiz-progress-info span:last-child { color: var(--text-muted); }

.quiz-progress-bar-container {
  width: 100%;
  height: 3px;
  background: var(--bg-tertiary);
}
.quiz-progress-bar {
  height: 100%;
  background: var(--accent);
  transition: width 0.3s;
}

.quiz-question-area {
  max-width: 750px;
  margin: 0 auto;
  padding: 32px 24px;
}

.q-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px 32px;
  max-width: 750px;
  margin: 32px auto;
}

.q-type-badge {
  display: inline-block;
  padding: 3px 12px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
  margin-bottom: 12px;
}
.q-type-choice { background: #60a5fa33; color: #60a5fa; }
.q-type-multi { background: #a78bfa33; color: #a78bfa; }
.q-type-truefalse { background: #fbbf2433; color: #fbbf24; }
.q-type-fill { background: #4ade8033; color: #4ade80; }
.q-type-open { background: #fb923c33; color: #fb923c; }

.q-number {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.q-text {
  font-size: 17px;
  font-weight: 600;
  line-height: 1.7;
  margin-bottom: 24px;
}
.q-entity-link {
  cursor: pointer;
  border-radius: 4px;
  padding: 1px 4px;
  font-family: monospace;
  font-size: 0.9em;
  transition: all 0.2s;
  text-decoration: none;
}
.q-entity-link.db-link {
  color: #FF8A65;
  background: rgba(255,138,101,0.1);
  border-bottom: 1px dashed #FF8A65;
}
.q-entity-link.db-link:hover {
  background: rgba(255,138,101,0.25);
}
.q-entity-link.svc-link {
  color: #4ECDC4;
  background: rgba(78,205,196,0.1);
  border-bottom: 1px dashed #4ECDC4;
}
.q-entity-link.svc-link:hover {
  background: rgba(78,205,196,0.25);
}

.q-options {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.q-option {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s;
  font-size: 14px;
}
.q-option:hover { background: var(--bg-hover); border-color: var(--accent); }
.q-option.selected { background: var(--accent)22; border-color: var(--accent); color: var(--text-primary); }
.q-option.correct { background: #4ade8022; border-color: #4ade80; }
.q-option.wrong { background: #f8717122; border-color: #f87171; }
.q-option.show-correct { background: #4ade8022; border-color: #4ade80; }
.q-option.disabled { pointer-events: none; }

.q-option-marker {
  width: 28px;
  height: 28px;
  border: 2px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 600;
  flex-shrink: 0;
  transition: all 0.2s;
}
.q-option.selected .q-option-marker { border-color: var(--accent); background: var(--accent); color: #fff; }
.q-option.correct .q-option-marker { border-color: #4ade80; background: #4ade80; color: #fff; }
.q-option.wrong .q-option-marker { border-color: #f87171; background: #f87171; color: #fff; }
.q-option.show-correct .q-option-marker { border-color: #4ade80; background: #4ade80; color: #fff; }

.q-multi-marker {
  border-radius: 4px;
}

.q-tf-options { display: flex; gap: 12px; }
.q-tf-btn {
  flex: 1;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: transparent;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-secondary);
  transition: all 0.2s;
  text-align: center;
}
.q-tf-btn:hover { background: var(--bg-hover); }
.q-tf-btn.selected { border-color: var(--accent); background: var(--accent)22; color: var(--text-primary); }
.q-tf-btn.correct { border-color: #4ade80; background: #4ade8022; }
.q-tf-btn.wrong { border-color: #f87171; background: #f8717122; }

.q-fill-input {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 15px;
  outline: none;
  transition: border-color 0.2s;
}
.q-fill-input:focus { border-color: var(--accent); }
.q-fill-input.correct { border-color: #4ade80; }
.q-fill-input.wrong { border-color: #f87171; }

.q-open-textarea {
  width: 100%;
  min-height: 150px;
  padding: 14px 16px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 14px;
  line-height: 1.7;
  outline: none;
  resize: vertical;
  font-family: inherit;
}
.q-open-textarea:focus { border-color: var(--accent); }

.q-submit-btn {
  display: block;
  margin: 16px 0;
  padding: 10px 28px;
  background: var(--accent);
  border: none;
  border-radius: 8px;
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}
.q-submit-btn:hover { background: var(--accent-light); }

.q-feedback {
  margin-top: 16px;
  padding: 16px 20px;
  border-radius: 8px;
  font-size: 14px;
  line-height: 1.7;
  animation: fadeIn 0.3s ease;
}
.q-feedback.correct {
  background: #4ade8015;
  border: 1px solid #4ade8044;
}
.q-feedback.wrong {
  background: #f8717115;
  border: 1px solid #f8717144;
}
.q-feedback-title {
  font-weight: 700;
  margin-bottom: 6px;
}
.q-feedback.correct .q-feedback-title { color: #4ade80; }
.q-feedback.wrong .q-feedback-title { color: #f87171; }

.q-ref-answer {
  margin-top: 12px;
  padding: 12px 16px;
  background: var(--bg-tertiary);
  border-radius: 6px;
  font-size: 13px;
  line-height: 1.8;
  color: var(--text-secondary);
  white-space: pre-wrap;
}
.q-ref-answer-label {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.quiz-nav-buttons {
  display: flex;
  justify-content: center;
  gap: 12px;
  padding: 0 24px 32px;
}
.quiz-nav-btn {
  padding: 10px 24px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-secondary);
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
  transition: all 0.2s;
}
.quiz-nav-btn:hover { background: var(--bg-hover); color: var(--text-primary); }
.quiz-nav-btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.quiz-nav-btn.primary:hover { background: var(--accent-light); }

/* Result */
.result-card {
  max-width: 500px;
  margin: 48px auto 24px;
  text-align: center;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px 32px;
}
.result-icon { font-size: 56px; margin-bottom: 16px; }
.result-card h2 { font-size: 24px; margin-bottom: 8px; }
.result-card p { color: var(--text-secondary); margin-bottom: 24px; }
.result-stats { display: flex; justify-content: center; gap: 20px; margin-bottom: 24px; }
.result-actions { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; }

#review-area {
  max-width: 750px;
  margin: 0 auto;
  padding: 24px;
}
.review-item {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px 24px;
  margin-bottom: 16px;
}
.review-item.review-wrong { border-left: 3px solid #f87171; }
.review-item.review-correct { border-left: 3px solid #4ade80; }
.review-q { font-size: 15px; font-weight: 600; margin-bottom: 8px; }
.review-your-ans { font-size: 13px; color: #f87171; margin-bottom: 4px; }
.review-correct-ans { font-size: 13px; color: #4ade80; margin-bottom: 8px; }
.review-explanation { font-size: 13px; color: var(--text-secondary); line-height: 1.6; }

.hidden { display: none !important; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== Glossary Tab ===== */
.glossary-container {
  width: 100%;
  height: 100%;
  overflow-y: auto;
  padding: 32px;
}
.glossary-header {
  text-align: center;
  margin-bottom: 24px;
}
.glossary-header h2 { margin-bottom: 8px; }
.glossary-header p { color: var(--text-secondary); font-size: 14px; margin-bottom: 16px; }

.glossary-search-box {
  max-width: 400px;
  margin: 0 auto 16px;
}
.glossary-search-box input {
  width: 100%;
  padding: 10px 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 14px;
  outline: none;
}
.glossary-search-box input:focus { border-color: var(--accent); }

.glossary-category-filters {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 8px;
}
.glossary-cat-btn {
  padding: 4px 14px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-secondary);
  border-radius: 16px;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.2s;
}
.glossary-cat-btn:hover { background: var(--bg-hover); }
.glossary-cat-btn.active { background: var(--accent); border-color: var(--accent); color: #fff; }

.glossary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 16px;
  max-width: 1200px;
  margin: 0 auto;
}

.glossary-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  transition: all 0.25s;
}
.gc-toggle { cursor: pointer; }
.glossary-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.glossary-card.expanded {
  grid-column: 1 / -1;
  max-width: 800px;
  margin: 0 auto;
  width: 100%;
}

.gc-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}
.gc-emoji { font-size: 28px; }
.gc-title { font-size: 17px; font-weight: 700; }
.gc-phonetic {
  font-size: 13px;
  color: var(--accent-light);
  font-family: 'Cascadia Code', monospace;
  margin-bottom: 4px;
}
.gc-category {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 10px;
  font-size: 11px;
  background: var(--bg-tertiary);
  color: var(--text-muted);
  margin-bottom: 8px;
}
.gc-oneliner {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.5;
}
.gc-expand-hint {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 8px;
}

.gc-detail { margin-top: 16px; display: none; user-select: text; cursor: auto; }
.glossary-card.expanded .gc-detail { display: block; }

.gc-section {
  margin-bottom: 16px;
}
.gc-section-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
}
.gc-section-body {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-secondary);
  white-space: pre-wrap;
}

.gc-vs-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.gc-vs-table th {
  text-align: left;
  padding: 8px 10px;
  background: var(--bg-tertiary);
  color: var(--text-muted);
  font-weight: 600;
}
.gc-vs-table td {
  padding: 8px 10px;
  border-top: 1px solid var(--border);
  color: var(--text-secondary);
  line-height: 1.5;
}
.gc-vs-table td:first-child {
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  width: 120px;
}

.gc-features {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.gc-feature-tag {
  padding: 3px 10px;
  background: var(--bg-tertiary);
  border-radius: 12px;
  font-size: 12px;
  color: var(--text-secondary);
}

/* ===== Knowledge card in quiz ===== */
.q-knowledge-card {
  margin-bottom: 20px;
  padding: 16px 20px;
  background: linear-gradient(135deg, #6c63ff08, #4ECDC408);
  border: 1px solid #6c63ff33;
  border-radius: 10px;
}
.q-knowledge-title {
  font-size: 12px;
  color: var(--accent-light);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.q-knowledge-text {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 10px;
}
.q-knowledge-terms {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.q-term-tag {
  padding: 4px 12px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 16px;
  font-size: 12px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s;
  position: relative;
}
.q-term-tag:hover {
  border-color: var(--accent);
  color: var(--accent-light);
  background: var(--accent)11;
}

/* ===== Floating Tooltip ===== */
.glossary-tooltip {
  position: fixed;
  z-index: 9999;
  max-width: 400px;
  background: var(--bg-secondary);
  border: 1px solid var(--accent);
  border-radius: 12px;
  padding: 16px 20px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
  pointer-events: none;
  animation: fadeIn 0.15s ease;
}
.glossary-tooltip.hidden { display: none; }

.gt-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}
.gt-emoji { font-size: 20px; }
.gt-title { font-size: 15px; font-weight: 700; }
.gt-phonetic {
  font-size: 12px;
  color: var(--accent-light);
  font-family: 'Cascadia Code', monospace;
  margin-bottom: 4px;
}
.gt-body {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
}
.gt-hint {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 6px;
}

/* DB info card (sidebar) */
.db-info-card {
  background: rgba(78,205,196,0.06);
  border: 1px solid rgba(78,205,196,0.15);
  border-radius: 8px;
  padding: 10px 12px;
  margin-bottom: 16px;
  font-size: 11px;
  line-height: 1.6;
}
.dbi-title {
  font-size: 13px;
  color: var(--accent);
  margin-bottom: 4px;
}
.dbi-note {
  color: var(--text-muted);
  font-size: 10px;
  margin-bottom: 6px;
}
.dbi-row {
  color: var(--text-secondary);
  font-family: monospace;
  font-size: 10px;
  margin: 2px 0;
}
.dbi-row em {
  font-style: normal;
  color: var(--text-muted);
}
.dbi-label {
  display: inline-block;
  width: 32px;
  color: var(--text-muted);
  font-family: inherit;
}

/* Graph toolbar */
.graph-toolbar {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 10;
  display: flex;
  gap: 4px;
}
.arch-main, .db-main { position: relative; }
.graph-btn {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.2s;
}
.graph-btn:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

/* Flow service selector */
.flow-service-selector {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 12px;
  padding: 10px 12px;
  background: rgba(255,255,255,0.02);
  border-radius: 10px;
  border: 1px solid var(--border);
  justify-content: center;
}
.flow-svc-btn {
  padding: 5px 12px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--bg-secondary);
  color: var(--text-secondary);
  font-size: 12px;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}
.flow-svc-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.flow-svc-btn.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

/* Gamification status bar */
.game-status-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 20px;
  background: linear-gradient(135deg, rgba(78,205,196,0.06), rgba(186,104,200,0.06));
  border: 1px solid var(--border);
  border-radius: 10px;
  margin: 12px 20px 0;
  flex-wrap: wrap;
}
.gsb-rank {
  font-weight: 700;
  font-size: 15px;
  white-space: nowrap;
}
.gsb-xp-wrap {
  flex: 1;
  min-width: 120px;
}
.gsb-xp-bar {
  height: 8px;
  background: rgba(255,255,255,0.08);
  border-radius: 4px;
  overflow: hidden;
}
.gsb-xp-fill {
  height: 100%;
  border-radius: 4px;
  transition: width 0.5s ease;
}
.gsb-xp-text {
  font-size: 11px;
  color: var(--text-muted);
}
.gsb-stats {
  display: flex;
  gap: 12px;
  font-size: 13px;
}
.gsb-stats span {
  cursor: default;
}

/* XP popup */
.xp-popup {
  position: fixed;
  top: 60px;
  left: 50%;
  transform: translateX(-50%) translateY(-20px);
  background: rgba(78,205,196,0.95);
  color: #fff;
  padding: 10px 24px;
  border-radius: 24px;
  font-size: 15px;
  font-weight: 700;
  opacity: 0;
  z-index: 9999;
  pointer-events: none;
  transition: all 0.3s ease;
  box-shadow: 0 4px 20px rgba(78,205,196,0.4);
}
.xp-popup.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
.xp-amount {
  color: #FFD54F;
  margin-right: 8px;
}
.xp-reason {
  font-weight: 400;
  font-size: 13px;
}

/* DB column table */
.db-col-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
  margin-top: 8px;
}
.db-col-table th {
  background: rgba(255,255,255,0.05);
  padding: 6px 8px;
  text-align: left;
  font-weight: 600;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  font-size: 11px;
  color: var(--text-muted);
}
.db-col-table td {
  padding: 5px 8px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  color: var(--text-secondary);
}
.db-col-table tr.col-pk td { color: #FFD54F; }
.db-col-table tr.col-fk td:first-child { color: #81C784; }

/* Sample data table */
.sample-data-scroll {
  overflow-x: auto;
  margin-top: 8px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.08);
}
.db-sample-table {
  width: max-content;
  min-width: 100%;
  border-collapse: collapse;
  font-size: 11px;
  font-family: 'Cascadia Code', 'Fira Code', monospace;
}
.db-sample-table th {
  background: rgba(78,205,196,0.15);
  padding: 5px 10px;
  text-align: left;
  font-weight: 600;
  white-space: nowrap;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  color: var(--accent);
  font-size: 10px;
}
.db-sample-table td {
  padding: 4px 10px;
  border-bottom: 1px solid rgba(255,255,255,0.03);
  white-space: nowrap;
  color: var(--text-secondary);
}
.db-sample-table tbody tr:hover {
  background: rgba(255,255,255,0.04);
}
.db-sample-table tbody tr:nth-child(even) {
  background: rgba(255,255,255,0.02);
}

/* ===== Data Flow Visualization ===== */
.dataflow-page {
  display: flex;
  width: 100%;
  height: 100%;
  overflow: hidden;
}
.df-sidebar {
  width: 240px;
  min-width: 240px;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}
.df-sidebar-title {
  font-weight: 700;
  font-size: 14px;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}
.df-scenario-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
}
.df-scenario-btn {
  text-align: left;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-secondary);
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
  line-height: 1.4;
}
.df-scenario-btn:hover {
  background: rgba(255,255,255,0.05);
  border-color: var(--border);
}
.df-scenario-btn.active {
  background: rgba(124,77,255,0.12);
  border-color: var(--accent);
  color: var(--accent);
  font-weight: 600;
}
.df-scenario-btn .df-sc-icon {
  margin-right: 6px;
}
.df-sidebar-legend {
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}
.df-legend-title {
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 8px;
  font-weight: 600;
}
.df-legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 4px;
}
.df-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}
.df-dot-user { background: #ff9800; border-radius: 50%; }
.df-dot-svc { background: #4ECDC4; border-radius: 50%; }
.df-dot-db { background: #FF8A65; border-radius: 3px; }
.df-dot-mq { background: #ff5252; border-radius: 3px; border: 1px dashed rgba(255,255,255,0.3); }
.df-dot-cache { background: #FFD740; transform: rotate(45deg); width: 8px; height: 8px; }
.df-main {
  flex: 1;
  position: relative;
  overflow: hidden;
}
.df-scene-bar {
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px;
  background: rgba(15,17,23,0.85);
  border-radius: 8px;
  backdrop-filter: blur(8px);
  border: 1px solid var(--border);
  max-width: calc(100% - 200px);
}
.df-scene-tag {
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
}
.df-scene-desc-text {
  font-size: 12px;
  color: var(--muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.df-step-panel {
  position: absolute;
  bottom: 10px;
  left: 10px;
  right: 10px;
  z-index: 10;
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: 8px 12px;
  background: rgba(15,17,23,0.85);
  border-radius: 10px;
  backdrop-filter: blur(8px);
  border: 1px solid var(--border);
  max-height: 80px;
  overflow-y: auto;
}
.df-step-card {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.2s;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.03);
}
.df-step-card:hover, .df-step-card.active {
  background: rgba(124,77,255,0.1);
  border-color: var(--accent);
}
.df-step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  flex-shrink: 0;
}
.df-step-label { color: var(--text); }
.df-main .graph-toolbar {
  top: 10px;
  right: 10px;
}
.df-step-detail {
  margin-top: 8px;
  padding: 12px 16px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 13px;
  line-height: 1.8;
  color: var(--text-secondary);
}
.df-step-detail strong { color: var(--accent); }

/* ===== User Bar & Auth ===== */
.user-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
  padding-left: 16px;
  flex-shrink: 0;
}
.user-bar-btn {
  background: rgba(108,99,255,0.15);
  border: 1px solid rgba(108,99,255,0.3);
  color: var(--accent-light);
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}
.user-bar-btn:hover { background: rgba(108,99,255,0.3); }
.user-bar-info {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
  font-size: 13px;
}
.user-bar-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 13px;
  font-weight: 700;
}
.user-bar-name { font-weight: 600; color: var(--text-primary); }

.auth-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
}
.auth-modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
  width: 380px;
  max-width: 90vw;
  position: relative;
  box-shadow: 0 16px 64px rgba(0,0,0,0.5);
}
.auth-close {
  position: absolute;
  top: 12px;
  right: 16px;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 24px;
  cursor: pointer;
}
.auth-close:hover { color: var(--text-primary); }
.auth-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 24px;
  border-bottom: 2px solid var(--border);
}
.auth-tab {
  flex: 1;
  padding: 10px;
  border: none;
  background: none;
  color: var(--text-muted);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all 0.2s;
}
.auth-tab.active { color: var(--accent); border-bottom-color: var(--accent); }
.auth-tab:hover { color: var(--text-primary); }
.auth-form { display: flex; flex-direction: column; gap: 12px; }
.auth-input {
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
}
.auth-input:focus { border-color: var(--accent); }
.auth-submit {
  padding: 12px;
  border: none;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
  margin-top: 4px;
}
.auth-submit:hover { background: var(--accent-light); }
.auth-error {
  color: var(--danger);
  font-size: 13px;
  min-height: 0;
}
.auth-hint {
  margin-top: 16px;
  padding: 10px 12px;
  background: rgba(108,99,255,0.08);
  border-radius: 8px;
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ===== Simulator Tab ===== */
.sim-layout { display: flex; width: 100%; height: 100%; }
.sim-sidebar { width: 220px; min-width: 220px; background: var(--bg-secondary); border-right: 1px solid var(--border); display: flex; flex-direction: column; overflow-y: auto; }
.sim-role-card { padding: 20px 16px; text-align: center; border-bottom: 1px solid var(--border); }
.sim-avatar { font-size: 48px; margin-bottom: 8px; }
.sim-role-name { font-size: 15px; font-weight: 600; color: var(--text-primary); }
.sim-role-desc { font-size: 12px; color: var(--text-muted); margin-top: 4px; }
.sim-nav { padding: 12px 0; flex: 1; }
.sim-nav-title { font-size: 11px; color: var(--text-muted); padding: 0 16px 8px; text-transform: uppercase; letter-spacing: 1px; }
.sim-nav-item { display: block; width: 100%; padding: 10px 16px; background: none; border: none; color: var(--text-secondary); font-size: 13px; text-align: left; cursor: pointer; transition: all 0.15s; border-left: 3px solid transparent; }
.sim-nav-item:hover { background: var(--bg-hover); color: var(--text-primary); }
.sim-nav-item.active { background: rgba(108,99,255,0.12); color: var(--accent-light); border-left-color: var(--accent); font-weight: 600; }
.sim-tips { padding: 16px; border-top: 1px solid var(--border); }
.sim-tips-title { font-size: 13px; font-weight: 600; color: var(--text-primary); margin-bottom: 6px; }
.sim-tips-text { font-size: 12px; color: var(--text-muted); line-height: 1.5; }

.sim-main { flex: 1; display: flex; flex-direction: column; overflow: hidden; min-width: 0; }
.sim-header { padding: 12px 24px; border-bottom: 1px solid var(--border); background: var(--bg-secondary); }
.sim-breadcrumb { font-size: 13px; color: var(--text-muted); }
.sim-content { flex: 1; overflow-y: auto; padding: 24px; }

/* Sim form */
.sim-form { max-width: 720px; }
.sim-form-title { font-size: 18px; font-weight: 700; margin-bottom: 20px; color: var(--text-primary); }
.sim-form-group { margin-bottom: 16px; }
.sim-form-label { display: block; font-size: 13px; color: var(--text-secondary); margin-bottom: 6px; font-weight: 500; }
.sim-form-label .sim-field-hint { font-weight: 400; color: var(--accent-light); font-size: 11px; margin-left: 6px; }
.sim-form-input, .sim-form-select, .sim-form-textarea { width: 100%; padding: 10px 14px; background: var(--bg-tertiary); border: 1px solid var(--border); border-radius: var(--radius); color: var(--text-primary); font-size: 14px; outline: none; transition: border 0.2s; }
.sim-form-input:focus, .sim-form-select:focus, .sim-form-textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 2px rgba(108,99,255,0.15); }
.sim-form-select { cursor: pointer; -webkit-appearance: none; appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%239ba1b5' d='M6 8L1 3h10z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; padding-right: 32px; }
.sim-form-textarea { min-height: 80px; resize: vertical; font-family: inherit; }
.sim-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.sim-form-actions { margin-top: 24px; display: flex; gap: 12px; }
.sim-btn { padding: 10px 24px; border-radius: var(--radius); font-size: 14px; font-weight: 600; cursor: pointer; border: 1px solid var(--border); transition: all 0.2s; background: var(--bg-tertiary); color: var(--text-secondary); }
.sim-btn:hover { border-color: var(--accent); color: var(--accent-light); }
.sim-btn-primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.sim-btn-primary:hover { background: var(--accent-light); border-color: var(--accent-light); opacity: 0.95; }
.sim-btn-secondary { background: transparent; color: var(--text-secondary); }
.sim-btn-secondary:hover { border-color: var(--accent); color: var(--accent-light); }

/* Knowledge tag */
.sim-knowledge-tag { display: inline-flex; align-items: center; gap: 4px; padding: 3px 10px; border-radius: 12px; font-size: 11px; font-weight: 600; cursor: pointer; transition: all 0.2s; }
.sim-knowledge-tag.table-tag { background: rgba(74,222,128,0.12); color: var(--success); }
.sim-knowledge-tag.svc-tag { background: rgba(108,99,255,0.12); color: var(--accent-light); }
.sim-knowledge-tag.concept-tag { background: rgba(251,191,36,0.12); color: var(--warning); }
.sim-knowledge-tag:hover { transform: scale(1.05); filter: brightness(1.2); }

/* Flow panel */
.sim-flow-sidebar { position: absolute; right: 0; top: 0; width: 400px; height: 100%; background: var(--bg-secondary); border-left: 1px solid var(--border); display: flex; flex-direction: column; z-index: 20; box-shadow: -4px 0 24px rgba(0,0,0,0.3); transform: translateX(0); transition: transform 0.3s ease, opacity 0.3s ease; opacity: 1; }
.sim-flow-sidebar.hidden { transform: translateX(100%); opacity: 0; pointer-events: none; }
.sim-flow-sidebar-header { display: flex; justify-content: space-between; align-items: center; padding: 16px 20px; border-bottom: 1px solid var(--border); flex-shrink: 0; }
.sim-flow-sidebar-close { background: none; border: none; width: 28px; height: 28px; border-radius: 6px; display: flex; align-items: center; justify-content: center; color: var(--text-muted); cursor: pointer; font-size: 16px; transition: all 0.2s; }
.sim-flow-sidebar-close:hover { background: var(--bg-hover); color: var(--text-primary); }
.sim-flow-body { flex: 1; overflow-y: auto; padding: 16px 24px; }

.sim-flow-step { display: flex; gap: 16px; margin-bottom: 4px; opacity: 0; transform: translateX(-10px); animation: simStepIn 0.5s forwards; }
.sim-flow-step:nth-child(1) { animation-delay: 0.1s; }
.sim-flow-step:nth-child(2) { animation-delay: 0.3s; }
.sim-flow-step:nth-child(3) { animation-delay: 0.5s; }
.sim-flow-step:nth-child(4) { animation-delay: 0.7s; }
.sim-flow-step:nth-child(5) { animation-delay: 0.9s; }
.sim-flow-step:nth-child(6) { animation-delay: 1.1s; }
.sim-flow-step:nth-child(7) { animation-delay: 1.3s; }
.sim-flow-step:nth-child(8) { animation-delay: 1.5s; }
.sim-flow-step:nth-child(9) { animation-delay: 1.7s; }
.sim-flow-step:nth-child(10) { animation-delay: 1.9s; }
.sim-flow-step:nth-child(11) { animation-delay: 2.1s; }
.sim-flow-step:nth-child(12) { animation-delay: 2.3s; }
.sim-flow-step:nth-child(13) { animation-delay: 2.5s; }
@keyframes simStepIn { to { opacity: 1; transform: translateX(0); } }

.sim-flow-icon { width: 36px; height: 36px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 16px; flex-shrink: 0; }
.sim-flow-icon.write { background: rgba(108,99,255,0.2); }
.sim-flow-icon.kafka { background: rgba(251,191,36,0.2); }
.sim-flow-icon.cache { background: rgba(248,113,113,0.2); }
.sim-flow-icon.service { background: rgba(167,139,250,0.2); }
.sim-flow-icon.check { background: rgba(74,222,128,0.2); }
.sim-flow-arrow { width: 2px; background: var(--border); margin: 0 17px; min-height: 8px; }
.sim-flow-text { flex: 1; padding-bottom: 4px; }
.sim-flow-title { font-size: 13px; font-weight: 600; color: var(--text-primary); margin-bottom: 2px; }
.sim-flow-desc { font-size: 12px; color: var(--text-muted); line-height: 1.5; }
.sim-flow-tags { margin-top: 6px; display: flex; flex-wrap: wrap; gap: 6px; }

/* Sim table */
.sim-table { width: 100%; border-collapse: collapse; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; margin-top: 12px; }
.sim-table th, .sim-table td { padding: 10px 14px; text-align: left; font-size: 13px; border-bottom: 1px solid var(--border); }
.sim-table th { background: var(--bg-tertiary); color: var(--text-muted); font-weight: 500; }
.sim-table tr:hover td { background: var(--bg-hover); }
.sim-status { display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: 11px; font-weight: 600; }
.sim-status.active { background: rgba(74,222,128,0.12); color: var(--success); }
.sim-status.pending { background: rgba(251,191,36,0.12); color: var(--warning); }
.sim-status.paused { background: rgba(248,113,113,0.12); color: var(--danger); }
.sim-status.draft { background: rgba(148,163,184,0.12); color: var(--text-muted); }

/* Sim info banner */
.sim-info-banner { background: rgba(108,99,255,0.08); border: 1px solid rgba(108,99,255,0.2); border-radius: var(--radius); padding: 14px 18px; margin-bottom: 20px; font-size: 13px; color: var(--accent-light); line-height: 1.6; }

/* Sim stat cards */
.sim-stat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 24px; }
.sim-stat-card { background: var(--bg-secondary); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; }
.sim-stat-card .sim-stat-label { font-size: 13px; color: var(--text-muted); margin-bottom: 4px; }
.sim-stat-card .sim-stat-value { font-size: 28px; font-weight: 700; }
.sim-stat-card .sim-stat-value.green { color: var(--success); }
.sim-stat-card .sim-stat-value.yellow { color: var(--warning); }
.sim-stat-card .sim-stat-value.red { color: var(--danger); }

/* Upload area */
.sim-upload-area { border: 2px dashed var(--border); border-radius: var(--radius); padding: 40px; text-align: center; color: var(--text-muted); transition: border-color 0.2s; cursor: pointer; }
.sim-upload-area:hover { border-color: var(--accent); color: var(--accent-light); }

/* ===== Client Effect Simulator ===== */
.ce-channel-tabs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 20px; }
.ce-ch-tab { display: flex; align-items: center; gap: 6px; padding: 8px 14px; background: var(--bg-secondary); border: 1px solid var(--border); border-radius: var(--radius); cursor: pointer; color: var(--text-secondary); font-size: 12px; transition: all 0.2s; }
.ce-ch-tab:hover { border-color: var(--accent); color: var(--text-primary); }
.ce-ch-tab.active { background: rgba(108,99,255,0.15); border-color: var(--accent); color: var(--accent-light); }
.ce-ch-icon { font-size: 16px; }
.ce-ch-name { font-weight: 600; }
.ce-ch-push { font-size: 10px; padding: 1px 6px; background: var(--bg-tertiary); border-radius: 4px; color: var(--text-muted); }

.ce-main { display: grid; grid-template-columns: 300px 1fr; gap: 24px; min-height: 580px; }
.ce-phone-area { display: flex; justify-content: center; align-items: flex-start; }

.ce-phone-frame { width: 280px; height: 560px; background: #000; border-radius: 32px; padding: 8px; box-shadow: 0 8px 40px rgba(0,0,0,0.5), inset 0 0 0 2px #333; position: relative; }
.ce-phone-notch { width: 80px; height: 20px; background: #000; border-radius: 0 0 12px 12px; position: absolute; top: 0; left: 50%; transform: translateX(-50%); z-index: 2; }
.ce-phone-screen { width: 100%; height: 100%; background: #f5f5f5; border-radius: 24px; overflow: hidden; display: flex; flex-direction: column; position: relative; font-family: -apple-system, 'PingFang SC', sans-serif; }
.ce-phone-home { width: 36px; height: 4px; background: #555; border-radius: 2px; position: absolute; bottom: 3px; left: 50%; transform: translateX(-50%); }

.ce-qq-header { display: flex; justify-content: space-between; align-items: center; padding: 24px 14px 8px; background: #1e90ff; color: white; flex-shrink: 0; }
.ce-qq-msgs { flex: 1; overflow-y: auto; background: white; }
.ce-msg-row { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-bottom: 1px solid #f0f0f0; }
.ce-avatar { width: 36px; height: 36px; border-radius: 6px; background: #e0e0e0; display: flex; align-items: center; justify-content: center; font-size: 14px; font-weight: 600; color: #666; flex-shrink: 0; }
.ce-msg-info { flex: 1; min-width: 0; }
.ce-msg-name { font-size: 13px; font-weight: 600; color: #333; }
.ce-msg-preview { font-size: 11px; color: #999; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ce-msg-time { font-size: 10px; color: #bbb; flex-shrink: 0; }

.ce-qq-banner { padding: 8px 10px; background: white; border-bottom: 1px solid #eee; cursor: pointer; position: relative; transition: background 0.15s; }
.ce-qq-banner:hover { background: #f0f7ff; }
.ce-qq-banner:active { background: #e0efff; }
.ce-ad-badge { position: absolute; top: 4px; right: 6px; font-size: 9px; background: rgba(108,99,255,0.12); color: #6c63ff; padding: 1px 5px; border-radius: 3px; font-weight: 600; }
.ce-banner-content { display: flex; gap: 10px; align-items: center; }
.ce-banner-img { width: 56px; height: 56px; background: linear-gradient(135deg, #6c63ff, #4ECDC4); border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 22px; flex-shrink: 0; }
.ce-banner-title { font-size: 13px; font-weight: 600; color: #333; }
.ce-banner-sub { font-size: 11px; color: #999; margin-top: 3px; }

.ce-qq-tabbar { display: flex; justify-content: space-around; background: white; border-top: 1px solid #eee; padding: 6px 0 10px; flex-shrink: 0; }
.ce-tab-item { font-size: 10px; color: #999; text-align: center; }
.ce-tab-item.active { color: #1e90ff; }

.ce-feed-list { flex: 1; overflow-y: auto; background: #f5f5f5; padding-top: 8px; }
.ce-feed-item { display: flex; gap: 10px; padding: 10px 12px; background: white; margin-bottom: 8px; }
.ce-feed-avatar { width: 32px; height: 32px; border-radius: 50%; background: #4ade80; display: flex; align-items: center; justify-content: center; font-size: 13px; color: white; font-weight: 700; flex-shrink: 0; }
.ce-feed-body { flex: 1; min-width: 0; }
.ce-feed-name { font-size: 13px; font-weight: 600; color: #333; }
.ce-feed-text { font-size: 12px; color: #555; margin-top: 4px; line-height: 1.5; }
.ce-feed-img-placeholder { margin-top: 6px; height: 50px; background: #f0f0f0; border-radius: 6px; display: flex; align-items: center; justify-content: center; font-size: 18px; color: #ccc; }
.ce-feed-card { margin-top: 6px; border: 1px solid #eee; border-radius: 8px; overflow: hidden; }
.ce-feed-actions { font-size: 11px; color: #999; margin-top: 6px; }
.ce-feed-ad { cursor: pointer; transition: background 0.15s; }
.ce-feed-ad:hover { background: #f8f8ff; }
.ce-feed-ad:active { background: #f0f0ff; }

.ce-splash-screen { width: 100%; height: 100%; position: relative; cursor: pointer; display: flex; flex-direction: column; }
.ce-splash-bg { flex: 1; background: linear-gradient(135deg, #1a1a2e, #16213e, #0f3460); display: flex; flex-direction: column; align-items: center; justify-content: center; color: white; }
.ce-splash-skip { position: absolute; top: 32px; right: 12px; font-size: 11px; color: rgba(255,255,255,0.7); background: rgba(0,0,0,0.3); padding: 3px 10px; border-radius: 12px; }
.ce-splash-badge { position: absolute; bottom: 40px; right: 12px; font-size: 9px; color: rgba(255,255,255,0.5); }
.ce-splash-bottom { padding: 12px; background: #000; text-align: center; }

.ce-kd-tabs { display: flex; gap: 12px; padding: 8px 12px; background: white; border-bottom: 1px solid #eee; }
.ce-kd-tab { font-size: 12px; color: #999; cursor: pointer; padding-bottom: 4px; }
.ce-kd-tab.active { color: #ef4444; font-weight: 700; border-bottom: 2px solid #ef4444; }
.ce-kd-item { display: flex; gap: 10px; padding: 10px 12px; background: white; margin-bottom: 1px; align-items: center; }
.ce-kd-text { flex: 1; }
.ce-kd-title { font-size: 13px; font-weight: 600; color: #333; line-height: 1.4; }
.ce-kd-meta { font-size: 10px; color: #999; margin-top: 4px; }
.ce-kd-thumb { width: 60px; height: 44px; background: #f0f0f0; border-radius: 6px; display: flex; align-items: center; justify-content: center; font-size: 18px; flex-shrink: 0; }

.ce-popup-overlay { position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: rgba(0,0,0,0.5); display: flex; align-items: center; justify-content: center; z-index: 10; }
.ce-popup-card { width: 200px; height: 240px; background: white; border-radius: 16px; overflow: hidden; position: relative; cursor: pointer; box-shadow: 0 8px 30px rgba(0,0,0,0.3); transition: transform 0.15s; }
.ce-popup-card:hover { transform: scale(1.02); }
.ce-popup-card:active { transform: scale(0.98); }
.ce-popup-close { position: absolute; top: 8px; right: 8px; width: 24px; height: 24px; background: rgba(0,0,0,0.3); border-radius: 50%; color: white; display: flex; align-items: center; justify-content: center; font-size: 14px; z-index: 2; cursor: pointer; }
.ce-popup-img { width: 100%; height: 100%; background: linear-gradient(135deg, #6c63ff, #4ECDC4); display: flex; flex-direction: column; align-items: center; justify-content: center; color: white; }

.ce-pack-notification { padding: 10px 12px; background: white; border-bottom: 8px solid #f0f0f0; }
.ce-pack-header { margin-bottom: 8px; }
.ce-pack-card { display: flex; gap: 10px; padding: 10px; background: #f8f9ff; border-radius: 8px; cursor: pointer; transition: background 0.15s; }
.ce-pack-card:hover { background: #eef0ff; }
.ce-pack-icon { width: 40px; height: 40px; background: linear-gradient(135deg, #ff6b6b, #fbbf24); border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 20px; flex-shrink: 0; }
.ce-pack-body { flex: 1; }

.ce-info-panel { overflow-y: auto; padding: 20px; background: var(--bg-secondary); border: 1px solid var(--border); border-radius: var(--radius); }
.ce-info-header { margin-bottom: 12px; }
.ce-info-ch-name { font-size: 18px; font-weight: 700; }
.ce-info-ch-meta { font-size: 12px; color: var(--text-muted); margin-top: 4px; }
.ce-info-desc { font-size: 13px; color: var(--text-secondary); line-height: 1.6; padding: 10px 14px; background: var(--bg-tertiary); border-radius: 8px; margin-bottom: 16px; }
.ce-info-section-title { font-size: 14px; font-weight: 700; margin-bottom: 10px; }
.ce-info-flow { display: flex; flex-direction: column; gap: 4px; }
.ce-flow-step { display: flex; gap: 10px; align-items: flex-start; padding: 8px 0; }
.ce-flow-text { flex: 1; }
.ce-flow-arrow { text-align: center; color: var(--text-muted); font-size: 12px; padding-left: 12px; }
.ce-info-highlight { margin-top: 16px; padding: 14px; background: rgba(108,99,255,0.08); border: 1px solid rgba(108,99,255,0.2); border-radius: 8px; font-size: 12px; color: var(--text-secondary); line-height: 1.7; }

@media (max-width: 768px) {
  .ce-main { grid-template-columns: 1fr; }
}

/* ===== Admin Panel (integrated tab) ===== */
.admin-container { width: 100%; height: 100%; overflow-y: auto; padding: 24px; }

.ap-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; }
.ap-header h2 { font-size: 20px; font-weight: 700; }

.admin-btn { padding: 7px 14px; border-radius: 8px; border: 1px solid var(--border); background: var(--bg-secondary); color: var(--text-secondary); font-size: 13px; cursor: pointer; transition: all 0.2s; display: inline-flex; align-items: center; gap: 6px; }
.admin-btn:hover { border-color: var(--accent); color: var(--accent-light); }
.admin-btn:disabled { opacity: 0.4; cursor: not-allowed; pointer-events: none; }
.admin-btn-primary { background: var(--accent); color: #fff; border-color: var(--accent); font-weight: 600; }
.admin-btn-primary:hover { opacity: 0.85; }
.admin-btn-accent { background: rgba(108,99,255,0.15); border-color: rgba(108,99,255,0.3); color: var(--accent-light); }

.ap-stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin-bottom: 24px; }
.ap-stat { background: var(--bg-secondary); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; }
.ap-stat-label { font-size: 13px; color: var(--text-muted); margin-bottom: 4px; }
.ap-stat-val { font-size: 28px; font-weight: 700; }
.ap-stat-sub { font-size: 12px; color: var(--text-muted); margin-top: 4px; }
.ap-green { color: var(--success); }
.ap-red { color: var(--danger); }
.ap-accent { color: var(--accent-light); }
.ap-purple { color: #a78bfa; }
.ap-warn { color: var(--warning); }

.ap-section { margin-bottom: 24px; }
.ap-section h3 { font-size: 16px; margin-bottom: 12px; display: flex; align-items: center; gap: 8px; }

.ap-badge { background: var(--accent); color: #fff; font-size: 11px; padding: 2px 8px; border-radius: 10px; font-weight: 600; }

.ap-table-wrap { overflow-x: auto; overflow-y: auto; border: 1px solid var(--border); border-radius: var(--radius); }
.ap-table { width: 100%; border-collapse: collapse; background: var(--bg-secondary); }
.ap-table th, .ap-table td { padding: 10px 14px; text-align: left; font-size: 13px; border-bottom: 1px solid var(--border); }
.ap-table th { color: var(--text-muted); font-weight: 500; background: rgba(0,0,0,0.2); position: sticky; top: 0; z-index: 1; }
.ap-table tr:last-child td { border-bottom: none; }
.ap-table tr:hover td { background: rgba(108,99,255,0.03); }

.ap-tag { display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: 11px; font-weight: 600; }
.ap-tag-accent { background: rgba(108,99,255,0.15); color: var(--accent-light); }
.ap-tag-green { background: rgba(74,222,128,0.15); color: var(--success); }
.ap-tag-warn { background: rgba(251,191,36,0.15); color: var(--warning); }

.ap-progress { display: inline-block; width: 60px; height: 6px; background: var(--border); border-radius: 3px; overflow: hidden; vertical-align: middle; margin-right: 8px; }
.ap-progress-fill { height: 100%; background: var(--accent); border-radius: 3px; }

.ap-chart-wrap { background: var(--bg-secondary); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; }
.ap-chart-bars { display: flex; align-items: flex-end; gap: 3px; height: 140px; }
.ap-bar { flex: 1; min-width: 4px; max-width: 32px; border-radius: 3px 3px 0 0; opacity: 0.7; transition: opacity 0.2s; position: relative; }
.ap-bar:hover { opacity: 1; }
.ap-bar:hover::after { content: attr(title); position: absolute; bottom: 100%; left: 50%; transform: translateX(-50%); background: var(--bg-secondary); border: 1px solid var(--border); padding: 4px 8px; border-radius: 4px; font-size: 11px; white-space: nowrap; z-index: 10; pointer-events: none; }
.ap-chart-labels { display: flex; justify-content: space-between; font-size: 11px; color: var(--text-muted); margin-top: 8px; }

.ap-pager { display: flex; align-items: center; justify-content: space-between; padding: 10px 0; font-size: 12px; color: var(--text-muted); }
.ap-pager-btns { display: flex; gap: 8px; }

.ap-deploy-box { background: var(--bg-secondary); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; }
.ap-deploy-log { display: none; background: #000; border-radius: 8px; padding: 12px; font-family: 'Consolas', 'Monaco', monospace; font-size: 12px; color: var(--success); max-height: 200px; overflow-y: auto; margin-top: 12px; white-space: pre-wrap; word-break: break-all; }
.ap-deploy-hist-title { font-size: 13px; color: var(--text-muted); margin: 16px 0 10px; padding-top: 12px; border-top: 1px solid var(--border); font-weight: 600; }
.ap-deploy-hist-item { font-size: 12px; padding: 8px 12px; background: rgba(0,0,0,0.2); border-radius: 6px; margin-bottom: 6px; border: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; }

.ap-console { background: #000; border-radius: var(--radius); padding: 16px; font-family: 'Consolas', 'Monaco', monospace; font-size: 12px; color: #a3e635; max-height: 300px; overflow-y: auto; white-space: pre-wrap; word-break: break-all; border: 1px solid var(--border); margin: 0; }

.ap-sys-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 8px; }
.ap-sys-item { font-size: 13px; padding: 8px 12px; background: var(--bg-secondary); border-radius: 6px; border: 1px solid var(--border); }
.ap-sys-label { display: block; font-size: 11px; color: var(--text-muted); }

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