/* -----------------------------------------------------------------
 * LingoAlpha Backtester — Brand Aligned Purple & Lavender Theme
 * Consistent with Homepage design system
 * ----------------------------------------------------------------- */

/* ---- CSS Reset & Foundation ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* Brand Purple & Lavender Color Palette (from Homepage) */
  --bg-dark: #0b0517;
  --bg-card: #150a27;
  --bg-card-hover: #1c0e35;
  --bg-input: #190a2e;
  --bg-surface: #110820;
  --border-color: rgba(216, 180, 254, 0.12);
  --border-accent: rgba(192, 132, 252, 0.35);

  --text-main: #f5f3ff;
  --text-muted: #d8b4fe;
  --text-dim: #9333ea;
  --text-placeholder: rgba(216, 180, 254, 0.4);

  --accent-purple: #c084fc;
  --accent-lavender: #e9d5ff;
  --accent-violet: #8b5cf6;
  --accent-gold: #fbbf24;

  --green-gain: #34d399;
  --green-bg: rgba(52, 211, 153, 0.14);
  --red-loss: #f43f5e;
  --red-bg: rgba(244, 63, 94, 0.14);

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --brand-glow: 0 4px 20px rgba(192, 132, 252, 0.2);
  --card-glow: 0 4px 24px rgba(139, 92, 246, 0.12);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;

  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
}

/* ---- Light Theme ---- */
[data-theme="light"] {
  --bg-dark: #f8f5ff;
  --bg-card: #ffffff;
  --bg-card-hover: #f3ecff;
  --bg-input: #f0e8ff;
  --bg-surface: #faf8ff;
  --border-color: rgba(124, 58, 237, 0.14);
  --border-accent: rgba(124, 58, 237, 0.35);

  --text-main: #180833;
  --text-muted: #6d28d9;
  --text-dim: #7c3aed;
  --text-placeholder: rgba(109, 40, 217, 0.4);

  --accent-purple: #7c3aed;
  --accent-lavender: #6d28d9;
  --accent-violet: #5b21b6;
  --accent-gold: #d97706;

  --green-gain: #059669;
  --green-bg: #d1fae5;
  --red-loss: #e11d48;
  --red-bg: #ffe4e6;

  --brand-glow: 0 4px 20px rgba(124, 58, 237, 0.15);
  --card-glow: 0 4px 24px rgba(124, 58, 237, 0.08);
}

/* ---- Global Styles ---- */
body {
  font-family: var(--font-sans);
  background: var(--bg-dark);
  color: var(--text-main);
  min-height: 100vh;
  line-height: 1.5;
  background-image:
    radial-gradient(at 15% 15%, rgba(139, 92, 246, 0.08) 0px, transparent 60%),
    radial-gradient(at 85% 85%, rgba(192, 132, 252, 0.06) 0px, transparent 60%);
}

a { color: var(--accent-purple); text-decoration: none; }
a:hover { color: var(--accent-lavender); }

/* ---- Header ---- */
.app-header {
  background: rgba(11, 5, 23, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  padding: 12px 24px;
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.logo-text {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--accent-purple);
  letter-spacing: -0.5px;
}
.logo-text span { color: var(--accent-lavender); }

.header-actions { display: flex; gap: 8px; }

.header-btn {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.85rem;
  transition: all var(--transition-fast);
}
.header-btn:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-accent);
  color: var(--text-main);
}

/* ---- Page Navigation Menu Bar ---- */
.page-nav-bar {
  background: rgba(14, 6, 26, 0.96);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-color);
  padding: 0.45rem 1.5rem;
  position: relative;
  z-index: 95;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.25);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  list-style: none;
  margin: 0;
  padding: 0;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  -webkit-overflow-scrolling: touch;
}

.nav-menu::-webkit-scrollbar {
  display: none;
}

.nav-item {
  flex-shrink: 0;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.95rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  text-decoration: none;
  border-radius: 8px;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.nav-icon {
  font-size: 0.85rem;
  color: var(--accent-purple);
  transition: transform 0.2s ease;
}

.nav-link:hover {
  color: var(--text-main);
  background: var(--bg-input);
  box-shadow: 0 2px 10px rgba(192, 132, 252, 0.15);
}

.nav-link:hover .nav-icon {
  transform: scale(1.15);
}

.nav-item.active .nav-link {
  color: #ffffff;
  background: linear-gradient(135deg, var(--accent-violet), var(--accent-purple));
  box-shadow: 0 2px 10px rgba(139, 92, 246, 0.35);
  font-weight: 600;
}

.nav-item.active .nav-link .nav-icon {
  color: #ffffff;
}

.nav-tag {
  font-size: 0.65rem;
  font-weight: 700;
  padding: 1px 5px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.nav-tag.live {
  background: rgba(16, 185, 129, 0.2);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.4);
}

.nav-tag.soon {
  background: rgba(148, 163, 184, 0.15);
  color: var(--text-dim);
  border: 1px solid var(--border-color);
}

/* ---- Wizard Container ---- */
.wizard-container {
  max-width: 900px;
  margin: 0 auto;
  padding: 32px 24px 80px;
}

/* ---- Progress Bar ---- */
.progress-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-bottom: 36px;
  padding: 0 20px;
}

.progress-step {
  display: flex;
  align-items: center;
  gap: 0;
}

.step-circle {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 2px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-dim);
  background: var(--bg-card);
  transition: all var(--transition-base);
  flex-shrink: 0;
  position: relative;
}

.step-circle.active {
  border-color: var(--accent-purple);
  background: var(--accent-purple);
  color: white;
  box-shadow: 0 0 16px rgba(192, 132, 252, 0.4);
}

.step-circle.completed {
  border-color: var(--green-gain);
  background: var(--green-gain);
  color: white;
}

.step-connector {
  width: 50px;
  height: 2px;
  background: var(--border-color);
  transition: background var(--transition-base);
}

.step-connector.completed {
  background: var(--green-gain);
}

.step-label {
  position: absolute;
  top: 42px;
  font-size: 0.65rem;
  color: var(--text-dim);
  white-space: nowrap;
  text-align: center;
}

.step-circle.active .step-label,
.step-circle.completed .step-label {
  color: var(--text-muted);
}

/* ---- Wizard Step Cards ---- */
.wizard-step {
  display: none;
  animation: fadeSlideIn 0.35s ease;
}

.wizard-step.active {
  display: block;
}

@keyframes fadeSlideIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.step-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--card-glow);
}

.step-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 4px;
}

.step-description {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 28px;
}

/* ---- Form Elements ---- */
.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.form-input,
.form-select {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
  outline: none;
}

.form-input::placeholder { color: var(--text-placeholder); }

.form-input:focus,
.form-select:focus {
  border-color: var(--accent-purple);
  box-shadow: 0 0 0 3px rgba(192, 132, 252, 0.15);
}

.form-input.error {
  border-color: var(--red-loss);
  box-shadow: 0 0 0 3px rgba(244, 63, 94, 0.15);
}

.form-hint {
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-top: 6px;
}

.form-error {
  font-size: 0.75rem;
  color: var(--red-loss);
  margin-top: 6px;
}

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

.form-row-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 16px;
}

/* ---- Toggle / Radio Buttons ---- */
.toggle-group {
  display: flex;
  gap: 8px;
}

.toggle-btn {
  flex: 1;
  padding: 10px 16px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
}

.toggle-btn:hover {
  border-color: var(--border-accent);
  background: var(--bg-card-hover);
}

.toggle-btn.active {
  background: rgba(139, 92, 246, 0.2);
  border-color: var(--accent-purple);
  color: var(--accent-lavender);
}

/* ---- Indicator Chips ---- */
.indicator-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  min-height: 44px;
  padding: 12px;
  background: var(--bg-surface);
  border: 1px dashed var(--border-color);
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
}

.indicator-list:empty::after {
  content: "No indicators selected yet";
  color: var(--text-placeholder);
  font-size: 0.85rem;
}

.indicator-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: rgba(139, 92, 246, 0.15);
  border: 1px solid rgba(139, 92, 246, 0.3);
  border-radius: 20px;
  font-size: 0.85rem;
  color: var(--accent-lavender);
  font-weight: 500;
}

.indicator-chip .remove-btn {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: none;
  background: rgba(244, 63, 94, 0.3);
  color: var(--red-loss);
  font-size: 0.7rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.indicator-chip .remove-btn:hover {
  background: var(--red-loss);
  color: white;
}

/* ---- Add Indicator Form ---- */
.indicator-search-box {
  position: relative;
  margin-bottom: 8px;
}

.indicator-search-box .search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-dim);
  font-size: 0.85rem;
  pointer-events: none;
}

.indicator-search-box .form-input {
  padding-left: 36px;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  font-size: 0.85rem;
}

.add-indicator-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: end;
}

.add-indicator-params {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 8px;
  margin-top: 8px;
}

.param-input {
  padding: 6px 10px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  width: 100%;
}

.param-label {
  font-size: 0.7rem;
  color: var(--text-dim);
  margin-bottom: 4px;
}

/* ---- Condition Builder ---- */
.conditions-container {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.condition-row {
  display: grid;
  grid-template-columns: 1fr 140px 1fr 36px;
  gap: 8px;
  align-items: center;
  padding: 12px;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.condition-row:hover {
  border-color: var(--border-accent);
}

.condition-select,
.condition-input {
  padding: 8px 10px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  outline: none;
}

.condition-select:focus,
.condition-input:focus {
  border-color: var(--accent-purple);
}

.remove-condition-btn {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(244, 63, 94, 0.3);
  background: transparent;
  color: var(--red-loss);
  font-size: 0.9rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.remove-condition-btn:hover {
  background: var(--red-bg);
  border-color: var(--red-loss);
}

.condition-logic-connector {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  padding: 6px 0;
  margin: 0;
}

.condition-logic-connector::before {
  content: '';
  position: absolute;
  left: 5%;
  right: 5%;
  top: 50%;
  height: 1px;
  background: var(--border-color);
  z-index: 1;
}

.logic-pill {
  position: relative;
  z-index: 2;
  display: inline-flex;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 2px;
  gap: 2px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.logic-btn {
  padding: 3px 14px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  border-radius: 16px;
  border: none;
  background: transparent;
  color: var(--text-dim);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.logic-btn:hover {
  color: var(--text-main);
}

.logic-btn.active[data-value="AND"] {
  background: var(--accent-purple);
  color: #ffffff;
  box-shadow: 0 0 12px rgba(168, 85, 247, 0.4);
}

.logic-btn.active[data-value="OR"] {
  background: #2563eb;
  color: #ffffff;
  box-shadow: 0 0 12px rgba(37, 99, 235, 0.4);
}

.condition-preview {
  margin-top: 16px;
  padding: 12px 16px;
  background: rgba(139, 92, 246, 0.08);
  border: 1px solid rgba(139, 92, 246, 0.2);
  border-radius: var(--radius-sm);
  font-family: monospace;
  font-size: 0.85rem;
  color: var(--accent-lavender);
  word-break: break-word;
}

.condition-preview::before {
  content: "📝 ";
}

/* ---- Risk Management Fields ---- */
.risk-section {
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
}

.risk-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 16px;
}

/* ---- Buttons ---- */
.btn {
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-violet), var(--accent-purple));
  color: white;
  box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3);
}
.btn-primary:hover {
  box-shadow: 0 6px 20px rgba(139, 92, 246, 0.4);
  transform: translateY(-1px);
}
.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.btn-secondary {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-muted);
}
.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-accent);
}

.btn-success {
  background: linear-gradient(135deg, #059669, var(--green-gain));
  color: white;
  box-shadow: 0 4px 12px rgba(52, 211, 153, 0.3);
}
.btn-success:hover {
  box-shadow: 0 6px 20px rgba(52, 211, 153, 0.4);
  transform: translateY(-1px);
}

.btn-add {
  background: transparent;
  border: 1px dashed var(--border-accent);
  color: var(--accent-purple);
  width: 100%;
  justify-content: center;
  padding: 10px;
}
.btn-add:hover {
  background: rgba(139, 92, 246, 0.08);
  border-style: solid;
}

.wizard-nav {
  display: flex;
  justify-content: space-between;
  margin-top: 28px;
}

/* ---- Results Section ---- */
.results-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 24px 80px;
}

.results-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.results-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-main);
}

.results-subtitle {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.results-actions {
  display: flex;
  gap: 8px;
}

/* ---- Metric Cards Grid ---- */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  gap: 12px;
  margin-bottom: 28px;
}

.metric-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px;
  text-align: center;
  transition: all var(--transition-fast);
}

.metric-card:hover {
  border-color: var(--border-accent);
  box-shadow: var(--card-glow);
}

.metric-label {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}

.metric-value {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-main);
}

.metric-value.positive { color: var(--green-gain); }
.metric-value.negative { color: var(--red-loss); }

/* ---- Chart Container ---- */
.chart-container {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 16px;
  margin-bottom: 28px;
  min-height: 450px;
}

/* ---- Trade Table ---- */
.trade-table-container {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px;
  overflow-x: auto;
}

.trade-table-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 16px;
}

.trade-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.trade-table th {
  padding: 10px 12px;
  text-align: center;
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-dim);
  border-bottom: 2px solid var(--border-color);
  white-space: nowrap;
}

.trade-table td {
  padding: 10px 12px;
  text-align: center;
  color: var(--text-main);
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
}

.trade-table tr:hover td {
  background: var(--bg-card-hover);
}

.trade-table .pnl-positive { color: var(--green-gain); font-weight: 600; }
.trade-table .pnl-negative { color: var(--red-loss); font-weight: 600; }

.exit-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 0.7rem;
  font-weight: 600;
}

.exit-badge.signal { background: rgba(139, 92, 246, 0.2); color: var(--accent-purple); }
.exit-badge.stop-loss { background: var(--red-bg); color: var(--red-loss); }
.exit-badge.target { background: var(--green-bg); color: var(--green-gain); }
.exit-badge.auto { background: rgba(251, 191, 36, 0.2); color: var(--accent-gold); }
.exit-badge.eod { background: rgba(216, 180, 254, 0.15); color: var(--text-muted); }

/* ---- Loading State ---- */
.loading-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(11, 5, 23, 0.85);
  backdrop-filter: blur(8px);
  z-index: 200;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
}

.loading-overlay.active {
  display: flex;
}

.loading-spinner {
  width: 48px;
  height: 48px;
  border: 3px solid var(--border-color);
  border-top-color: var(--accent-purple);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.loading-text {
  font-size: 1rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* ---- Toast / Notification ---- */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  padding: 12px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-size: 0.85rem;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  z-index: 300;
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.3s ease;
}

.toast.visible {
  transform: translateY(0);
  opacity: 1;
}

.toast.error {
  border-color: var(--red-loss);
  background: rgba(244, 63, 94, 0.1);
}

.toast.success {
  border-color: var(--green-gain);
  background: rgba(52, 211, 153, 0.1);
}

/* ---- Section Divider ---- */
.section-divider {
  height: 1px;
  background: var(--border-color);
  margin: 24px 0;
}

/* ---- Request Indicator Note ---- */
.request-note {
  margin-top: 16px;
  padding: 10px 14px;
  background: rgba(251, 191, 36, 0.08);
  border: 1px solid rgba(251, 191, 36, 0.2);
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  color: var(--accent-gold);
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .wizard-container { padding: 20px 16px 60px; }
  .step-card { padding: 20px; }
  .form-row, .form-row-3 { grid-template-columns: 1fr; }
  .condition-row { grid-template-columns: 1fr; gap: 6px; }
  .metrics-grid { grid-template-columns: repeat(2, 1fr); }
  .results-header { flex-direction: column; align-items: flex-start; gap: 12px; }
  .step-connector { width: 24px; }
  .progress-bar { padding: 0 8px; }
}

@media (max-width: 480px) {
  .metrics-grid { grid-template-columns: 1fr; }
  .toggle-group { flex-direction: column; }
}