/* StratBuilder - Dark Glass Theme */
:root {
  --bg: #0d1117;
  --bg-secondary: #161b22;
  --bg-tertiary: #1c2333;
  --card: rgba(22, 27, 34, 0.85);
  --card-hover: rgba(30, 37, 48, 0.9);
  --border: rgba(48, 54, 61, 0.7);
  --text: #e6edf3;
  --text-secondary: #8b949e;
  --accent: #58a6ff;
  --accent-hover: #79c0ff;
  --green: #3fb950;
  --green-bg: rgba(63, 185, 80, 0.15);
  --red: #f85149;
  --red-bg: rgba(248, 81, 73, 0.15);
  --yellow: #d29922;
  --purple: #bc8cff;
  --radius: 12px;
    --shadow: 0 4px 16px rgba(0,0,0,0.5), 0 1px 3px rgba(0,0,0,0.3);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
}

/* Header */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-secondary);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
}
.header h1 { font-size: 1.3rem; font-weight: 700; }
.header h1 span { color: var(--accent); }
.header-actions { display: flex; gap: 8px; }

/* Layout */
.app { display: flex; flex-direction: column; max-width: 1200px; margin: 0 auto; padding: 16px; gap: 16px; }

/* Section titles */
.section-title { font-size: 1.1rem; font-weight: 700; margin: 20px 0 12px; color: var(--text); display: flex; align-items: center; gap: 8px; }

/* Tabs */
.tabs {
  display: flex;
  gap: 4px;
  background: var(--bg-secondary);
  border-radius: var(--radius);
  padding: 4px;
  border: 1px solid var(--border);
}
.tab {
  flex: 1;
  padding: 10px 16px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  transition: all 0.2s;
  text-align: center;
}
.tab:hover { background: var(--bg-tertiary); color: var(--text); }
.tab.active { background: var(--accent); color: #fff; font-weight: 600; }

/* Module Palette */
.module-palette {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 8px;
}
.module-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 12px 8px 10px;
  border: none;
  border-radius: 14px;
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text);
  cursor: pointer;
  transition: all 0.25s;
  font-size: 0.85rem;
}
.module-btn:hover { transform: translateY(-3px); box-shadow: 0 4px 16px rgba(0,0,0,0.4); border-color: var(--accent); }
.module-btn:active { transform: translateY(-1px); }
.module-btn .module-tooltip {
  display: none;
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--card);
  border: 1px solid var(--accent);
  border-radius: 10px;
  padding: 12px 16px;
  width: 240px;
  z-index: 1000;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
  pointer-events: none;
  text-align: left;
}
.module-btn:hover .module-tooltip {
  display: block;
}
.module-btn { position: relative; }
.tooltip-title {
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 6px;
  color: var(--text-primary);
}
.tooltip-desc {
  font-size: 0.82rem;
  line-height: 1.5;
  color: var(--text-secondary);
}
.module-btn .icon { font-size: 1.5rem; margin-bottom: 4px; }
.module-btn .name { font-weight: 600; }
.module-btn .desc { font-size: 0.75rem; color: var(--text-secondary); }

/* Module type colors — left accent on light card */
.module-btn[data-type="indicator"] { border-left: 3px solid var(--accent); }
.module-btn[data-type="indicator"]:hover { box-shadow: 0 4px 16px rgba(0,0,0,0.4), 0 0 0 1px var(--accent); }
.module-btn[data-type="condition"] { border-left: 3px solid var(--green); }
.module-btn[data-type="condition"]:hover { box-shadow: 0 4px 16px rgba(0,0,0,0.4), 0 0 0 1px var(--green); }
.module-btn[data-type="risk"] { border-left: 3px solid var(--red); }
.module-btn[data-type="risk"]:hover { box-shadow: 0 4px 16px rgba(0,0,0,0.4), 0 0 0 1px var(--red); }
.module-btn[data-type="execution"] { border-left: 3px solid var(--purple); }
.module-btn[data-type="execution"]:hover { box-shadow: 0 4px 16px rgba(0,0,0,0.4), 0 0 0 1px var(--purple); }

/* Strategy Slots */
.strategy-area {
  background: var(--card);
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 16px;
  min-height: 120px;
  transition: all 0.2s;
}
.strategy-area.filled { border-style: solid; border-color: var(--accent); }
.strategy-area h3 { margin-bottom: 12px; color: var(--text-secondary); }

.strategy-slot {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  margin-bottom: 8px;
  border-radius: 8px;
  cursor: grab;
  transition: all 0.2s;
  border: 1px solid transparent;
}
.strategy-slot:hover { border-color: var(--accent); }
.strategy-slot[data-type="indicator"] { background: rgba(88,166,255,0.1); border-left: 3px solid var(--accent); }
.strategy-slot[data-type="condition"] { background: var(--green-bg); border-left: 3px solid var(--green); }
.strategy-slot[data-type="risk"] { background: var(--red-bg); border-left: 3px solid var(--red); }
.strategy-slot[data-type="execution"] { background: rgba(188,140,255,0.1); border-left: 3px solid var(--purple); }
.strategy-slot .slot-name { font-weight: 600; }
.strategy-slot .slot-params { font-size: 0.8rem; color: var(--text-secondary); }
.strategy-slot .remove-btn {
  margin-left: auto;
  background: none;
  border: none;
  color: var(--red);
  cursor: pointer;
  font-size: 1.2rem;
  padding: 4px 8px;
  border-radius: 4px;
}
.strategy-slot .remove-btn:hover { background: var(--red-bg); }

/* Param Editor */
.param-editor {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-top: 8px;
}
.param-group { margin-bottom: 12px; }
.param-group label { display: block; font-size: 0.85rem; color: var(--text-secondary); margin-bottom: 4px; }
.param-group input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
}
.param-group .range-val {
  display: inline-block;
  min-width: 50px;
  text-align: center;
  background: var(--bg);
  padding: 2px 8px;
  border-radius: 4px;
  font-weight: 600;
  color: var(--accent);
}
.param-group input[type="number"], .param-group select {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 0.9rem;
  width: 120px;
}

/* Buttons */
.btn {
  padding: 10px 20px;
  border: none;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-1px); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }
.btn-secondary { background: var(--card); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { border-color: var(--accent); }
.btn-danger { background: var(--red); color: #fff; }
.btn-danger:hover { opacity: 0.9; }
.btn-sm { padding: 6px 12px; font-size: 0.8rem; }

.btn-group { display: flex; gap: 8px; flex-wrap: wrap; }

/* Engine Selector */
.engine-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}
.engine-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
}
.engine-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.engine-card.active { border-color: var(--accent); background: rgba(88,166,255,0.1); }
.engine-card .engine-icon { font-size: 1.5rem; }
.engine-card .engine-name { font-weight: 600; font-size: 0.9rem; }
.engine-card .engine-time { font-size: 0.75rem; color: var(--text-secondary); }

/* Progress Bar */
.progress-container { margin: 16px 0; }
.progress-bar {
  height: 8px;
  background: var(--border);
  border-radius: 4px;
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--green));
  border-radius: 4px;
  transition: width 0.3s ease;
  width: 0%;
}
.progress-text { font-size: 0.85rem; color: var(--text-secondary); margin-top: 4px; }

/* Results */
.results-section { display: none; }
.results-section.show { display: block; }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
  margin: 16px 0;
}
.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  text-align: center;
}
.stat-card .stat-value {
  font-size: 1.8rem;
  font-weight: 700;
  line-height: 1.1;
}
.stat-card .stat-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 4px;
}
.stat-positive { color: var(--green); }
.stat-negative { color: var(--red); }
.stat-neutral { color: var(--text); }

/* Chart */
.chart-container {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin: 16px 0;
  min-height: 300px;
}
.chart-container canvas { width: 100% !important; }

/* Trade Log */
.trade-log {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin: 16px 0;
}
.trade-log-header {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.trade-log-body {
  max-height: 400px;
  overflow-y: auto;
}
.trade-row {
  display: grid;
  grid-template-columns: 60px 80px 100px 100px 80px 80px;
  padding: 8px 16px;
  border-bottom: 1px solid var(--border);
  font-size: 0.85rem;
  align-items: center;
}
.trade-row:last-child { border-bottom: none; }
.trade-row.header { font-weight: 600; color: var(--text-secondary); background: var(--bg); }
.trade-row.tp { color: var(--green); }
.trade-row.sl { color: var(--red); }

/* Action Buttons */
.action-bar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin: 16px 0;
}

/* Section */
.section-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 20px 0 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Toast */
.toast {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 20px;
  box-shadow: var(--shadow);
  z-index: 1000;
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.3s;
}
.toast.show { transform: translateY(0); opacity: 1; }
.toast.success { border-left: 4px solid var(--green); }
.toast.error { border-left: 4px solid var(--red); }
.toast.info { border-left: 4px solid var(--accent); }

/* Loading */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
}
.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Empty state */
.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-secondary);
}
.empty-state .emoji { font-size: 3rem; margin-bottom: 12px; }

/* Walk forward table */
.wf-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}
.wf-table th, .wf-table td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  text-align: center;
}
.wf-table th { color: var(--text-secondary); font-weight: 600; }

/* Responsive */
@media (max-width: 768px) {
  .module-palette { grid-template-columns: repeat(3, 1fr); }
  .engine-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .trade-row { grid-template-columns: 50px 70px 85px 85px 70px 70px; font-size: 0.75rem; }
  .app { padding: 12px; }
}
@media (max-width: 480px) {
  .module-palette { grid-template-columns: repeat(2, 1fr); }
  .engine-grid { grid-template-columns: 1fr 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .param-group input[type="number"], .param-group select { width: 80px; }
}

/* Drag & drop */
.strategy-slot.dragging { opacity: 0.5; }
.strategy-slot.drag-over { border-top: 2px solid var(--accent); }

/* Pro Badge */
.pro-badge {
  background: linear-gradient(135deg, #f5af19, #f12711);
  color: white;
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 700;
  margin-right: 8px;
}

/* Paywall Modal */
.paywall-modal {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
}
.paywall-overlay {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.7);
}
.paywall-card {
  position: relative;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
  max-width: 480px;
  width: 90%;
  text-align: center;
  z-index: 1;
  box-shadow: 0 24px 48px rgba(0,0,0,0.4);
}
.paywall-close {
  position: absolute;
  top: 12px; right: 16px;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.2rem;
  cursor: pointer;
}
.paywall-icon { font-size: 3rem; margin-bottom: 8px; }
.paywall-card h2 { color: var(--text); margin: 0 0 8px; font-size: 1.4rem; }
.paywall-reason { color: var(--accent); font-size: 0.95rem; margin-bottom: 20px; }
.paywall-features {
  text-align: left;
  margin: 0 auto 24px;
  max-width: 280px;
}
.paywall-feature {
  padding: 6px 0;
  color: var(--text-secondary);
  font-size: 0.9rem;
}
.paywall-plans {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 12px;
  margin-bottom: 24px;
}
.paywall-plan {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 8px;
  cursor: pointer;
  transition: all 0.2s;
  position: relative;
}
.paywall-plan:hover { border-color: var(--accent); transform: translateY(-2px); }
.paywall-plan.popular { border-color: #f5af19; }
.plan-badge {
  position: absolute;
  top: -8px; left: 50%;
.plan-badge {
  position: absolute;
  top: -8px; left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, #f5af19, #f12711);
  color: white;
  font-size: 0.65rem;
  padding: 2px 8px;
  border-radius: 8px;
  font-weight: 600;
}
.plan-name { color: var(--text-secondary); font-size: 0.8rem; margin-bottom: 4px; }
.plan-price { color: var(--text); font-size: 1.5rem; font-weight: 700; }
.plan-price span { font-size: 0.7rem; font-weight: 400; color: var(--text-secondary); }
.plan-save { color: #4ade80; font-size: 0.75rem; margin-top: 2px; }
.paywall-divider { border-top: 1px solid var(--border); margin: 20px 0; }
.paywall-key-section p { color: var(--text-secondary); font-size: 0.85rem; margin-bottom: 8px; }
.paywall-key-input { display: flex; gap: 8px; justify-content: center; }
.paywall-key-input input {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 0.9rem;
  text-align: center;
  letter-spacing: 2px;
  width: 220px;
}
.paywall-key-input .btn { padding: 10px 20px; }
.paywall-footer { margin-top: 20px; }
.paywall-footer p { color: var(--text-secondary); font-size: 0.8rem; margin: 4px 0; }
.paywall-footer p:first-child { color: #4ade80; }

/* Paywall Steps */
.paywall-steps {
  display: flex;
  justify-content: space-around;
  margin: 16px 0;
  flex-wrap: wrap;
  gap: 8px;
}
.paywall-step {
  color: var(--text-secondary);
  font-size: 0.8rem;
  text-align: center;
  flex: 1;
  min-width: 80px;
}
.step-num {
  display: inline-block;
  background: var(--accent);
  color: white;
  width: 20px; height: 20px;
  border-radius: 50%;
  text-align: center;
  line-height: 20px;
  font-size: 0.7rem;
  margin-right: 4px;
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-secondary); }
/* ===== Preset Strategies ===== */
/* ===== Unified Quick Strategies + AI Agent Grid ===== */
.quick-section { margin-bottom: 24px; }
.quick-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
@media (max-width: 768px) { .quick-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .quick-grid { grid-template-columns: 1fr; } }
.quick-card {
  position: relative;
  background: rgba(22,27,34,0.85);
  border: 1px solid rgba(139,148,158,0.2);
  border-radius: 14px;
  padding: 14px 12px 12px;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(.4,0,.2,1);
  text-align: left;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  overflow: hidden;
}
.quick-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--card-color, var(--accent));
  border-radius: 14px 14px 0 0;
  opacity: 0.6;
  transition: opacity 0.25s;
}
.quick-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.4), 0 0 0 1px var(--card-color, var(--accent));
  border-color: var(--card-color, var(--accent));
}
.quick-card:hover::before { opacity: 1; }
.quick-card:active { transform: translateY(-1px); }
.quick-icon {
  flex-shrink: 0;
  width: 40px; height: 40px;
  border-radius: 10px;
  background: rgba(22,27,34,0.9);
  display: flex; align-items: center; justify-content: center;
  border: 1px solid rgba(139,148,158,0.2);
  font-size: 1.3rem; line-height: 1;
  transition: all 0.25s;
}
.quick-card:hover .quick-icon {
  background: rgba(22,27,34,0.95);
  border-color: rgba(139,148,158,0.4);
}
.quick-info { flex: 1; min-width: 0; }
.quick-name { font-size: 0.9rem; font-weight: 700; margin-bottom: 2px; color: var(--text-primary); line-height: 1.2; }
.quick-desc { font-size: 0.7rem; color: var(--text-secondary); line-height: 1.3; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.quick-card.card-pro { border-color: rgba(255,215,0,0.2); }
.quick-card.card-pro::before { background: linear-gradient(90deg, #FFD700, #FFA500); }
.quick-card.card-mc { border-color: rgba(155,89,182,0.2); }
.quick-card.card-mc::before { background: linear-gradient(90deg, #9B59B6, #8E44AD); }
.quick-badge {
  position: absolute; top: 6px; right: 6px;
  font-size: 0.55rem; font-weight: 800;
  padding: 2px 7px; border-radius: 6px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}
.badge-pro {
  background: rgba(255,215,0,0.2);
  color: #FFD700;
  border: 1px solid rgba(255,215,0,0.3);
}
.badge-mc {
  background: rgba(155,89,182,0.2);
  color: #C39BD3;
  border: 1px solid rgba(155,89,182,0.3);
}
.badge-new {
  background: rgba(39,174,96,0.2);
  color: #2ECC71;
  border: 1px solid rgba(39,174,96,0.3);
}

/* ===== Vibe Trading Overlay ===== */
.vibe-overlay {
  position: fixed; top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.7); z-index: 10000;
  display: flex; align-items: center; justify-content: center;
  backdrop-filter: blur(4px);
  animation: fadeIn 0.3s ease;
}
.vibe-panel {
  background: var(--bg-primary); border: 2px solid var(--border);
  border-radius: 16px; width: 90%; max-width: 600px; max-height: 80vh;
  display: flex; flex-direction: column; overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.vibe-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px 20px; border-bottom: 1px solid var(--border);
}
.vibe-header h3 { margin: 0; font-size: 1.1rem; }
.vibe-close {
  background: none; border: none; color: var(--text-secondary);
  font-size: 1.2rem; cursor: pointer; padding: 4px 8px;
}
.vibe-close:hover { color: var(--text-primary); }
.vibe-tabs {
  display: flex; border-bottom: 1px solid var(--border);
  padding: 0 16px;
}
.vibe-tab {
  padding: 10px 16px; border: none; background: none;
  color: var(--text-secondary); cursor: pointer; font-size: 0.85rem;
  border-bottom: 2px solid transparent; transition: all 0.2s;
}
.vibe-tab.active { color: var(--accent); border-bottom-color: var(--accent); }
.vibe-tab:hover { color: var(--text-primary); }
.vibe-content { flex: 1; overflow-y: auto; padding: 16px; }
.vibe-tab-content.hidden { display: none; }
.vibe-chat-log {
  height: 300px; overflow-y: auto; padding: 8px;
  border: 1px solid var(--border); border-radius: 8px;
  background: var(--bg-secondary); margin-bottom: 12px;
}
.vibe-msg { margin-bottom: 12px; }
.vibe-msg p { margin: 4px 0; font-size: 0.85rem; }
.vibe-msg ul { margin: 4px 0; padding-left: 20px; }
.vibe-msg li { font-size: 0.82rem; color: var(--text-secondary); }
.vibe-msg.user p { background: var(--accent); color: #fff; padding: 8px 12px; border-radius: 12px; display: inline-block; }
.vibe-msg.system p { color: var(--text-secondary); }
.vibe-msg.system code { background: var(--bg-tertiary); padding: 2px 6px; border-radius: 4px; font-size: 0.8rem; }
.vibe-input-wrap { display: flex; gap: 8px; }
.vibe-input-wrap input {
  flex: 1; padding: 10px 14px; border: 1px solid var(--border);
  border-radius: 8px; background: var(--bg-secondary); color: var(--text);
  font-size: 0.9rem;
}
.vibe-input-wrap input:focus { outline: none; border-color: var(--accent); }
.vibe-send-btn {
  padding: 10px 20px; border: none; border-radius: 8px;
  background: linear-gradient(135deg, #9B59B6, #8E44AD);
  color: #fff; font-weight: 600; cursor: pointer;
}
.vibe-send-btn:hover { opacity: 0.9; }
.vibe-shadow-upload { text-align: center; padding: 20px; }
.vibe-shadow-upload p { font-size: 0.9rem; margin-bottom: 16px; }
.vibe-drop-zone {
  border: 2px dashed var(--border); border-radius: 12px;
  padding: 40px 20px; cursor: pointer; transition: all 0.2s;
  background: var(--bg-secondary);
}
.vibe-drop-zone:hover { border-color: var(--accent); background: var(--bg-tertiary); }
.vibe-drop-zone span { font-size: 1.5rem; }
.vibe-hint { font-size: 0.75rem; color: var(--text-secondary); margin-top: 12px; }
.vibe-swarm-info { padding: 16px; }
.vibe-swarm-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin-top: 16px;
}
.swarm-card {
  padding: 14px; border: 1px solid var(--border); border-radius: 10px;
  background: var(--bg-secondary); cursor: pointer; font-size: 0.85rem;
  transition: all 0.2s; text-align: center;
}
.swarm-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.vibe-footer {
  padding: 12px 20px; border-top: 1px solid var(--border);
  font-size: 0.72rem; color: var(--text-secondary); text-align: center;
}
.vibe-footer a { color: var(--accent); text-decoration: none; }
.vibe-footer a:hover { text-decoration: underline; }
  background: linear-gradient(135deg, var(--accent), #6C63FF);
  border-radius: 12px;
  padding: 16px 20px;
  margin-bottom: 20px;
  color: white;
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  transition: transform 0.2s;
}
.quickstart-banner:hover { transform: scale(1.02); }
.quickstart-icon { font-size: 2rem; }
.quickstart-text h3 { margin: 0; font-size: 1rem; }
.quickstart-text p { margin: 2px 0 0; font-size: 0.8rem; opacity: 0.85; }

/* ===== Backtest Progress Animation ===== */
.progress-spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  vertical-align: middle;
  margin-right: 8px;
}
@keyframes spin { to { transform: rotate(360deg); } }

#progress-section {
  transition: all 0.3s ease;
}
#progress-fill {
  background: linear-gradient(90deg, var(--accent), #6C63FF, var(--accent));
  background-size: 200% 100%;
  animation: progressShine 2s ease infinite;
  transition: width 0.5s ease;
  border-radius: 8px;
  height: 100%;
}
@keyframes progressShine {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.btn-backtesting {
  animation: pulse 1.5s ease infinite;
  pointer-events: none;
}
@keyframes pulse {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 0.9; }
}

/* Results fade-in */
#results-section.show {
  animation: fadeInUp 0.5s ease;
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}