:root {
  --bg-primary: #0e1117;
  --bg-secondary: #161b22;
  --bg-card: #1f242d;
  --bg-card-hover: #262c37;
  --border-color: #2d333b;
  --text-main: #f0f6fc;
  --text-muted: #8b949e;
  --accent-gold: #f59e0b;
  --color-green: #10b981;
  --color-red: #ef4444;
  --color-blue: #3b82f6;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

/* Telegram theme variables override if present */
body.tg-theme {
  --bg-primary: var(--tg-theme-bg-color, #0e1117);
  --bg-secondary: var(--tg-theme-secondary-bg-color, #161b22);
  --text-main: var(--tg-theme-text-color, #f0f6fc);
  --text-muted: var(--tg-theme-hint-color, #8b949e);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.4;
  overflow-x: hidden;
  user-select: none;
}

.app-container {
  max-width: 720px;
  margin: 0 auto;
  padding: 12px 14px 24px;
}

/* Header */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 14px;
}

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

.logo-badge {
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: #000;
  font-weight: 800;
  font-size: 13px;
  padding: 6px 10px;
  border-radius: 8px;
  letter-spacing: 0.5px;
}

.app-title {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.3px;
}

.app-subtitle {
  font-size: 11px;
  color: var(--text-muted);
}

.header-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.3);
  padding: 3px 8px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
  color: var(--color-green);
}

.status-pill.disconnected {
  background: rgba(239, 68, 68, 0.12);
  border-color: rgba(239, 68, 68, 0.3);
  color: var(--color-red);
}

.pulse-dot {
  width: 7px;
  height: 7px;
  background-color: currentColor;
  border-radius: 50%;
  box-shadow: 0 0 6px currentColor;
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.9); opacity: 0.8; }
  50% { transform: scale(1.2); opacity: 1; }
  100% { transform: scale(0.9); opacity: 0.8; }
}

.clock-display {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
}

/* Chart Section */
.chart-section {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 14px;
  margin-bottom: 18px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
}

.chart-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 8px;
  flex-wrap: wrap;
  gap: 8px;
}

.asset-symbol-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
}

.badge-symbol {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--accent-gold);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 13px;
  padding: 2px 7px;
  border-radius: 6px;
}

.asset-name {
  font-size: 15px;
  font-weight: 600;
}

.asset-price-row {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.asset-price {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  transition: color 0.3s;
}

.price-change {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 4px;
}

.price-change.positive {
  color: var(--color-green);
  background: rgba(16, 185, 129, 0.12);
}

.price-change.negative {
  color: var(--color-red);
  background: rgba(239, 68, 68, 0.12);
}

.view-switch-tabs {
  display: flex;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 2px;
  gap: 2px;
}

.view-tab-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 600;
  padding: 5px 9px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}

.view-tab-btn.active {
  background: var(--bg-card);
  color: var(--accent-gold);
  box-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

.view-panel {
  display: none;
}

.view-panel.active {
  display: block;
}

.chart-controls-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
  gap: 8px;
  flex-wrap: wrap;
}

.timeframe-buttons {
  display: flex;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 2px;
}

.tf-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  padding: 4px 8px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s;
}

.tf-btn.active {
  background: var(--bg-card);
  color: var(--text-main);
  box-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

.ohlc-bar {
  display: flex;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  overflow-x: auto;
  white-space: nowrap;
}

.ohlc-bar b {
  color: var(--text-main);
}

.chart-container {
  width: 100%;
  height: 240px;
  position: relative;
  border-radius: 8px;
  overflow: hidden;
}

/* Instruments / Market Section */
.instruments-section {
  margin-bottom: 18px;
}

.section-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.section-title {
  font-size: 15px;
  font-weight: 700;
}

.tabs {
  display: flex;
  gap: 4px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 3px;
  border-radius: 8px;
}

.tab-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: 6px;
  cursor: pointer;
}

.tab-btn.active {
  background: var(--bg-card);
  color: var(--text-main);
  font-weight: 600;
}

/* Ticker Cards Grid */
.ticker-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

@media (min-width: 480px) {
  .ticker-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.ticker-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 12px 14px;
  cursor: pointer;
  transition: transform 0.15s, border-color 0.15s, background-color 0.15s;
  position: relative;
}

.ticker-card:active {
  transform: scale(0.98);
}

.ticker-card.active-card {
  border-color: var(--accent-gold);
  background: rgba(245, 158, 11, 0.05);
}

.card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

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

.card-sym {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 14px;
  color: var(--accent-gold);
}

.card-name {
  font-size: 12px;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 140px;
}

.card-change {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 4px;
}

.card-middle {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 8px;
}

.card-price {
  font-family: var(--font-mono);
  font-size: 19px;
  font-weight: 700;
  transition: all 0.3s ease;
}

.card-unit {
  font-size: 10px;
  color: var(--text-muted);
}

.card-bottom {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--text-muted);
  border-top: 1px dashed var(--border-color);
  padding-top: 6px;
}

.card-bottom b {
  color: var(--text-main);
  font-family: var(--font-mono);
}

/* Flash Animations on price update */
.flash-up {
  animation: flashGreen 1s ease-out;
}

.flash-down {
  animation: flashRed 1s ease-out;
}

@keyframes flashGreen {
  0% { background-color: rgba(16, 185, 129, 0.35); }
  100% { background-color: transparent; }
}

@keyframes flashRed {
  0% { background-color: rgba(239, 68, 68, 0.35); }
  100% { background-color: transparent; }
}

/* Footer */
.market-footer {
  display: flex;
  justify-content: space-between;
  padding: 12px 6px;
  border-top: 1px solid var(--border-color);
  font-size: 12px;
}

.stat-pill {
  display: flex;
  gap: 6px;
}

.stat-pill .label {
  color: var(--text-muted);
}

.text-success {
  color: var(--color-green);
  font-weight: 600;
}

/* Spinner */
.loading-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 30px;
  gap: 12px;
  color: var(--text-muted);
}

.spinner {
  width: 24px;
  height: 24px;
  border: 3px solid rgba(255, 255, 255, 0.1);
  border-top-color: var(--accent-gold);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* Specs View */
.specs-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding: 6px 0;
  max-height: 250px;
  overflow-y: auto;
}

@media (min-width: 480px) {
  .specs-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.spec-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 8px 12px;
}

.spec-title {
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 2px;
  display: flex;
  align-items: center;
  gap: 5px;
}

.spec-val {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-main);
  font-family: var(--font-mono);
}

.cme-link-box {
  grid-column: 1 / -1;
  text-align: center;
  padding: 6px;
}

.cme-link-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent-gold);
  font-size: 12px;
  font-weight: 600;
  text-decoration: none;
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.3);
  padding: 6px 14px;
  border-radius: 8px;
  transition: all 0.2s;
}

.cme-link-btn:hover {
  background: rgba(245, 158, 11, 0.2);
}

/* Calendar View */
.calendar-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 6px 0;
  max-height: 250px;
  overflow-y: auto;
}

.calendar-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 10px 14px;
}

.cal-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.cal-code {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 14px;
  color: var(--accent-gold);
}

.cal-month {
  font-size: 13px;
  color: var(--text-main);
}

.cal-badge {
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 4px;
  font-weight: 600;
}

.cal-badge.active {
  background: rgba(16, 185, 129, 0.15);
  color: var(--color-green);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.cal-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
}

.cal-date {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-main);
}

.cal-days {
  font-size: 11px;
  color: var(--text-muted);
}

/* Primary Top Navigation */
.main-nav {
  display: flex;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 3px;
  margin-bottom: 14px;
  gap: 4px;
}

.nav-tab {
  flex: 1;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 600;
  padding: 8px 12px;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s;
  text-align: center;
  white-space: nowrap;
}

.nav-tab.active {
  background: var(--bg-card);
  color: var(--accent-gold);
  box-shadow: 0 2px 6px rgba(0,0,0,0.3);
}

.page-content {
  display: none;
}

.page-content.active {
  display: block;
}

/* QuikStrike Section */
.qs-section {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 14px;
  margin-bottom: 18px;
}

.qs-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 12px;
  flex-wrap: wrap;
  gap: 8px;
}

.qs-title {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.2px;
}

.qs-subtitle {
  font-size: 12px;
  color: var(--text-muted);
}

.qs-dates-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  padding: 4px 10px;
  border-radius: 8px;
}

.date-tag {
  color: var(--text-muted);
}

.date-tag.current {
  color: var(--accent-gold);
  font-weight: 700;
}

/* QuikStrike Instrument Selector Bar */
.qs-instrument-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 8px 12px;
  margin-bottom: 8px;
}

.instrument-pills {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.instrument-pill {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 600;
  padding: 5px 11px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s;
  user-select: none;
}

.instrument-pill:hover {
  border-color: rgba(255, 255, 255, 0.2);
  color: var(--text-main);
}

.instrument-pill.active {
  background: rgba(56, 189, 248, 0.15);
  border-color: #38bdf8;
  color: #38bdf8;
}

/* QuikStrike Filter Bar */
.qs-filter-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 8px 12px;
  margin-bottom: 10px;
}

.filter-label {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 500;
}

.filter-pills {
  display: flex;
  gap: 6px;
}

.filter-pill {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s;
}

.filter-pill.active {
  background: rgba(245, 158, 11, 0.15);
  border-color: var(--accent-gold);
  color: var(--accent-gold);
}

/* QuikStrike Stats Bar */
.qs-stats-bar {
  display: flex;
  gap: 12px;
  padding: 6px 4px 12px;
  font-size: 12px;
  overflow-x: auto;
}

.qs-stat-item {
  display: flex;
  gap: 5px;
  white-space: nowrap;
}

.qs-stat-item .lbl {
  color: var(--text-muted);
}

/* Tables Container */
.qs-tables-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

@media (min-width: 640px) {
  .qs-tables-container {
    grid-template-columns: 1fr 1fr;
  }
}

.qs-table-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  overflow: hidden;
}

.qs-table-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border-color);
}

.calls-header {
  background: rgba(16, 185, 129, 0.08);
}

.puts-header {
  background: rgba(239, 68, 68, 0.08);
}

.table-type {
  font-weight: 700;
  font-size: 13px;
}

.calls-header .table-type { color: var(--color-green); }
.puts-header .table-type { color: var(--color-red); }

.table-sub {
  font-size: 11px;
  color: var(--text-muted);
}

.table-responsive {
  max-height: 480px;
  overflow-y: auto;
  overflow-x: auto;
}

.qs-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 11px;
  text-align: right;
  white-space: nowrap;
}

.qs-table th {
  position: sticky;
  top: 0;
  background: #12161e;
  color: var(--text-muted);
  font-weight: 600;
  padding: 7px 6px;
  border-bottom: 1px solid var(--border-color);
  font-size: 10px;
}

.sortable-th {
  cursor: pointer;
  user-select: none;
  transition: all 0.15s ease;
}

.sortable-th:hover {
  color: var(--accent-gold);
  background: rgba(245, 158, 11, 0.08);
}

.sortable-th.sort-active {
  color: var(--accent-gold);
  font-weight: 700;
  background: rgba(245, 158, 11, 0.12);
}

.qs-table th:first-child,
.qs-table td:first-child {
  text-align: left;
  padding-left: 10px;
}

.qs-table td {
  padding: 6px;
  border-bottom: 1px solid #1a202c;
  font-family: var(--font-mono);
  color: var(--text-main);
}

.qs-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.04);
}

.strike-val {
  font-weight: 700;
  color: var(--accent-gold) !important;
}

.exp-code {
  color: var(--text-muted) !important;
}

.chg-positive {
  color: var(--color-green) !important;
  font-weight: 600;
}

.chg-negative {
  color: var(--color-red) !important;
  font-weight: 600;
}

/* Visual Change Chart Mini Bar */
.chg-bar-cell {
  width: 36px;
  text-align: center;
  padding-right: 8px !important;
}

.mini-bar-track {
  width: 24px;
  height: 8px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 2px;
  overflow: hidden;
  display: inline-block;
  vertical-align: middle;
}

.mini-bar-fill-green {
  height: 100%;
  background-color: var(--color-green);
  border-radius: 2px;
}

.mini-bar-fill-red {
  height: 100%;
  background-color: var(--color-red);
  border-radius: 2px;
}

.qs-footer-link {
  text-align: center;
  margin-top: 14px;
}