/* ==========================================================================
   AI Trader Ultra-High WinRate Engine - Mobile-First Design System
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;700&family=Outfit:wght@500;600;700;800&display=swap');

:root {
  --bg-base: #07090e;
  --bg-card: rgba(13, 17, 28, 0.75);
  --bg-card-hover: rgba(20, 26, 43, 0.9);
  --bg-glass: rgba(18, 24, 38, 0.6);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(0, 242, 169, 0.25);
  
  --accent-green: #00f2a9;
  --accent-green-glow: rgba(0, 242, 169, 0.2);
  --accent-red: #ff3860;
  --accent-red-glow: rgba(255, 56, 96, 0.2);
  --accent-cyan: #00d2ff;
  --accent-cyan-glow: rgba(0, 210, 255, 0.2);
  --accent-gold: #ffb703;
  --accent-purple: #9d4edd;

  --text-main: #f0f4f8;
  --text-muted: #8492a6;
  --text-dim: #505c6e;
  
  --font-display: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-pill: 9999px;
  
  --shadow-card: 0 10px 30px -5px rgba(0, 0, 0, 0.6);
  --shadow-glow-green: 0 0 20px rgba(0, 242, 169, 0.35);
  --shadow-glow-cyan: 0 0 20px rgba(0, 210, 255, 0.35);
}

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

body {
  background-color: var(--bg-base);
  color: var(--text-main);
  font-family: var(--font-body);
  min-height: 100vh;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(0, 210, 255, 0.04) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(0, 242, 169, 0.04) 0%, transparent 40%);
  display: flex;
  flex-direction: column;
}

/* Glassmorphism Surface Utility */
.glass-panel {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
}

/* ── App Shell Header ─────────────────────────────────────────────────── */
header.app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(7, 9, 14, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-section {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-badge {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-green));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-glow-green);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.1rem;
  color: #07090e;
}

.brand-meta h1 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 6px;
}

.pulse-dot {
  width: 7px;
  height: 7px;
  background: var(--accent-green);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-green);
  animation: pulse-glow 2s infinite;
}

@keyframes pulse-glow {
  0% { transform: scale(0.9); opacity: 0.8; }
  50% { transform: scale(1.3); opacity: 1; }
  100% { transform: scale(0.9); opacity: 0.8; }
}

.ticker-spot {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.spot-val {
  color: var(--text-main);
  font-weight: 700;
}

/* ── Mode Switcher Tabs ──────────────────────────────────────────────── */
.mode-bar {
  padding: 8px 16px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
  background: rgba(13, 17, 28, 0.5);
  border-bottom: 1px solid var(--border-color);
}

.mode-bar::-webkit-scrollbar {
  display: none;
}

.mode-btn {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.82rem;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 6px;
}

.mode-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-main);
}

.mode-btn.active {
  background: linear-gradient(135deg, rgba(0, 210, 255, 0.2), rgba(0, 242, 169, 0.2));
  border-color: var(--accent-green);
  color: var(--accent-green);
  box-shadow: 0 0 12px rgba(0, 242, 169, 0.2);
}

/* ── Main Layout Viewport ────────────────────────────────────────────── */
main.app-viewport {
  flex: 1;
  padding: 12px 14px;
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

/* ── AI Recommendation Card (Predictor Hero) ─────────────────────────── */
.prediction-hero {
  padding: 14px 16px;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(0, 242, 169, 0.3);
  background: linear-gradient(145deg, rgba(13, 22, 35, 0.9), rgba(10, 15, 26, 0.8));
}

.prediction-hero::before {
  content: '';
  position: absolute;
  top: -40px;
  right: -40px;
  width: 120px;
  height: 120px;
  background: radial-gradient(circle, rgba(0, 242, 169, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.hero-top-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.pill-badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: var(--radius-pill);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.pill-badge.call {
  background: rgba(0, 242, 169, 0.15);
  color: var(--accent-green);
  border: 1px solid rgba(0, 242, 169, 0.4);
}

.pill-badge.put {
  background: rgba(255, 56, 96, 0.15);
  color: var(--accent-red);
  border: 1px solid rgba(255, 56, 96, 0.4);
}

.confidence-meter {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-cyan);
}

.hero-strike-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 8px;
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 4px 10px;
  word-break: break-word;
}

.hero-strike-title span.strike-tag {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-weight: 500;
  white-space: nowrap;
}

/* Prediction Metric Targets Grid */
.targets-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-top: 10px;
  background: rgba(0, 0, 0, 0.25);
  padding: 10px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.target-col {
  display: flex;
  flex-direction: column;
}

.target-label {
  font-size: 0.68rem;
  color: var(--text-dim);
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: 0.05em;
  margin-bottom: 2px;
}

.target-val {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
}

.target-val.entry { color: var(--text-main); }
.target-val.target { color: var(--accent-green); }
.target-val.stop { color: var(--accent-red); }

/* Quick Action Button for Paper/Predictor */
.hero-action-row {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}

.btn-trade-ai {
  flex: 1;
  background: linear-gradient(135deg, var(--accent-green), #00ba88);
  border: none;
  color: #07090e;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  box-shadow: var(--shadow-glow-green);
  transition: transform 0.15s ease;
}

.btn-trade-ai:active {
  transform: scale(0.97);
}

/* ── Interactive Live Candlestick Chart ───────────────────────────────── */
/* ── Interactive Live Candlestick Chart ───────────────────────────────── */
.chart-section {
  display: flex;
  flex-direction: column;
  position: relative;
  min-height: 540px;
  height: 64vh;
  border-radius: var(--radius-md);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.chart-header {
  padding: 8px 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
  background: rgba(13, 17, 28, 0.85);
  flex-shrink: 0;
  z-index: 5;
}

.chart-title-area {
  display: flex;
  align-items: center;
  gap: 10px;
}

.chart-title-area h3 {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
  white-space: nowrap;
}

.timeframe-selector-group {
  display: flex;
  align-items: center;
  gap: 2px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-sm);
  padding: 2px;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.tf-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 3px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.tf-btn:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

.tf-btn.active {
  color: #0b0f19;
  background: #00c8ff;
  font-weight: 700;
  box-shadow: 0 0 8px rgba(0, 200, 255, 0.5);
}

.chart-legend {
  display: flex;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  align-items: center;
  white-space: nowrap;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 4px;
  font-weight: 600;
}

.legend-color {
  width: 8px;
  height: 8px;
  border-radius: 2px;
}

.chart-container-box {
  flex: 1;
  width: 100%;
  position: relative;
  overflow: hidden;
  min-height: 460px;
}

#tradingview-chart {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
}

#smf-cloud-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 2;
}

/* ── BOSWaves Trend Strength Gauge (Bottom Center, TradingView Style) ── */
.smf-bottom-gauge-card {
  position: absolute;
  bottom: 30px; /* positioned right above the bottom time scale */
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(10, 15, 28, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 6px;
  padding: 4px 14px;
  backdrop-filter: blur(8px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.6);
  z-index: 4;
  pointer-events: none;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  min-width: 300px;
  max-width: 460px;
  width: 38%;
}

.smf-bg-bear-lbl {
  color: #ff005d;
  font-weight: 700;
  font-size: 0.72rem;
  letter-spacing: 0.5px;
}

.smf-bg-bull-lbl {
  color: #00c8ff;
  font-weight: 700;
  font-size: 0.72rem;
  letter-spacing: 0.5px;
}

.smf-bg-track {
  flex: 1;
  height: 10px;
  border-radius: 3px;
  position: relative;
  background: linear-gradient(to right, #ff005d 0%, rgba(255, 255, 255, 0.18) 50%, #00c8ff 100%);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.smf-bg-needle {
  position: absolute;
  top: -4px;
  transform: translateX(-50%);
  font-size: 0.82rem;
  color: #ffffff;
  text-shadow: 0 0 6px rgba(0, 0, 0, 0.9), 0 0 3px #fff;
  transition: left 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: none;
  line-height: 1;
}

.smf-bg-strength-lbl {
  color: #f1f5f9;
  font-weight: 700;
  font-size: 0.72rem;
  min-width: 84px;
  text-align: center;
}

/* ── Secondary Tabs: Option Chain & Paper Portfolio ─────────────────── */
.views-tab-bar {
  display: flex;
  background: rgba(13, 17, 28, 0.7);
  border-radius: var(--radius-sm);
  padding: 4px;
  gap: 4px;
  border: 1px solid var(--border-color);
}

.tab-toggle-btn {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s;
}

.tab-toggle-btn.active {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-main);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.4);
}

/* ── Option Chain Matrix Grid ────────────────────────────────────────── */
.option-chain-panel {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.table-responsive {
  width: 100%;
  box-sizing: border-box;
  overflow-x: auto;
  max-height: 310px;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

table.chain-table {
  width: 100%;
  min-width: 360px;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-align: right;
  white-space: nowrap;
}

table.chain-table th {
  background: rgba(10, 14, 22, 0.96);
  color: var(--text-dim);
  font-weight: 600;
  padding: 6px 6px;
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 2;
  font-size: 0.67rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

table.chain-table td {
  padding: 5px 6px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

td.strike-cell {
  background: rgba(255, 255, 255, 0.05);
  text-align: center;
  font-weight: 700;
  color: #fff;
  padding: 5px 8px;
  border-left: 1px solid var(--border-color);
  border-right: 1px solid var(--border-color);
}

tr.atm-row {
  background: rgba(0, 210, 255, 0.1);
}

tr.atm-row td.strike-cell {
  color: var(--accent-cyan);
  background: rgba(0, 210, 255, 0.18);
  box-shadow: inset 0 0 10px rgba(0, 210, 255, 0.25);
}

.chart-ctrl-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: all 0.15s ease;
}

.chart-ctrl-btn:hover {
  filter: brightness(1.2);
  transform: translateY(-1px);
}

.val-green { color: var(--accent-green); }
.val-red { color: var(--accent-red); }

/* ── Paper Trading Active Position & Portfolio Card ──────────────────── */
.paper-trading-panel {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.portfolio-stats-bar {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  padding: 12px;
  background: rgba(0, 0, 0, 0.3);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.stat-box {
  display: flex;
  flex-direction: column;
}

.stat-box .label {
  font-size: 0.68rem;
  color: var(--text-dim);
  text-transform: uppercase;
  font-weight: 600;
}

.stat-box .val {
  font-family: var(--font-mono);
  font-size: 0.98rem;
  font-weight: 700;
  color: #fff;
}

.stat-box .val.pnl-pos { color: var(--accent-green); }
.stat-box .val.pnl-neg { color: var(--accent-red); }

/* Active Position Card */
.active-pos-card {
  padding: 14px;
  border: 1px solid var(--border-glow);
  background: linear-gradient(145deg, rgba(16, 24, 38, 0.8), rgba(12, 17, 28, 0.7));
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.pos-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.pos-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
}

.iceberg-legs-badge {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  background: rgba(157, 78, 221, 0.15);
  color: var(--accent-purple);
  border: 1px solid rgba(157, 78, 221, 0.4);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
}

.floating-pnl-live {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 800;
}

.pos-meta-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  background: rgba(0, 0, 0, 0.25);
  padding: 8px;
  border-radius: var(--radius-sm);
}

.btn-squareoff {
  background: rgba(255, 56, 96, 0.15);
  border: 1px solid rgba(255, 56, 96, 0.4);
  color: var(--accent-red);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s;
}

.btn-squareoff:hover {
  background: var(--accent-red);
  color: #fff;
}

/* ── Trade History List ──────────────────────────────────────────────── */
.history-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 220px;
  overflow-y: auto;
}

.history-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 10px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.76rem;
}

.history-item.win { border-left: 3px solid var(--accent-green); }
.history-item.loss { border-left: 3px solid var(--accent-red); }

/* ── Modal Dialog Overlay ───────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(4, 7, 13, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  animation: fadeIn 0.25s ease;
}

.simulation-modal {
  width: 100%;
  max-width: 480px;
  background: rgba(13, 17, 28, 0.95);
  border: 1px solid rgba(0, 210, 255, 0.35);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.8), 0 0 30px rgba(0, 210, 255, 0.25);
  padding: 22px 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  animation: scaleUp 0.25s ease;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 800;
  color: #fff;
}

.modal-close-btn {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: all 0.2s;
}

.modal-close-btn:hover {
  background: rgba(255, 56, 96, 0.2);
  color: var(--accent-red);
}

.modal-desc {
  font-size: 0.84rem;
  color: var(--text-muted);
  line-height: 1.45;
}

.modal-body-grid {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes scaleUp {
  from { transform: scale(0.95); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

/* ── Simulation Replay Control Panel ────────────────────────────────── */
.simulation-panel {
  padding: 14px 18px;
  background: rgba(18, 24, 38, 0.85);
  border: 1px solid rgba(0, 210, 255, 0.25);
  border-radius: var(--radius-md);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.05);
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: all 0.3s ease;
}

.sim-header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.sim-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
}

.sim-controls-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  align-items: end;
}

.sim-control-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.sim-control-group label {
  font-family: var(--font-display);
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.sim-select, .sim-input {
  background: rgba(7, 9, 14, 0.8);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 10px 12px;
  outline: none;
  transition: all 0.2s ease;
}

.sim-select:focus, .sim-input:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 10px rgba(0, 210, 255, 0.25);
}

.sim-btn-row {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.btn-sim {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn-sim.start {
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-green));
  color: #07090e;
  box-shadow: 0 0 15px rgba(0, 242, 169, 0.3);
}

.btn-sim.start:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 0 20px rgba(0, 242, 169, 0.5);
}

.btn-sim.pause {
  background: rgba(255, 183, 3, 0.15);
  border: 1px solid rgba(255, 183, 3, 0.4);
  color: var(--accent-gold);
}

.btn-sim.pause:hover:not(:disabled) {
  background: rgba(255, 183, 3, 0.3);
}

.btn-sim.stop {
  background: rgba(255, 56, 96, 0.15);
  border: 1px solid rgba(255, 56, 96, 0.4);
  color: var(--accent-red);
}

.btn-sim.stop:hover:not(:disabled) {
  background: var(--accent-red);
  color: #fff;
}

.btn-sim:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.sim-progress-track {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-pill);
  overflow: hidden;
  margin-top: 4px;
}

.sim-progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-green));
  border-radius: var(--radius-pill);
  transition: width 0.3s ease;
}

.sim-stats-strip {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--text-muted);
}

/* Responsive Desktop Media Query */
@media (min-width: 900px) {
  main.app-viewport {
    display: grid;
    grid-template-columns: 2.2fr 1fr;
    grid-template-rows: auto auto 1fr;
    gap: 16px;
  }

  .prediction-hero,
  .simulation-panel {
    grid-column: 1 / 3;
  }

  .chart-section {
    height: 60vh;
  }

  .right-column-panel {
    display: flex;
    flex-direction: column;
    gap: 14px;
  }
}

/* ── Smart Money Flow Cloud [BOSWaves] ────────────────────────────────── */
.smf-btn {
  padding: 4px 10px;
  font-size: 0.72rem;
  border-radius: 4px;
  border: 1px solid rgba(0, 200, 255, 0.45);
  color: #00c8ff;
  background: rgba(0, 200, 255, 0.12);
  cursor: pointer;
  font-weight: 700;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.smf-btn:hover {
  background: rgba(0, 200, 255, 0.22);
  border-color: #00c8ff;
  box-shadow: 0 0 10px rgba(0, 200, 255, 0.25);
}

.smf-btn.off {
  color: var(--text-dim);
  border-color: rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.05);
  box-shadow: none;
}

.smf-gauge-container {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: rgba(10, 16, 28, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 6px;
  padding: 3px 8px;
  font-size: 0.7rem;
  font-family: var(--font-mono);
  user-select: none;
}

.smf-gauge-bar-track {
  position: relative;
  width: 65px;
  height: 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 3px;
  overflow: hidden;
  display: flex;
}

.smf-gauge-needle {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 3px;
  background: #ffffff;
  border-radius: 1px;
  left: 50%;
  transform: translateX(-50%);
  transition: left 0.25s ease-out;
  box-shadow: 0 0 4px #ffffff;
}

/* ── Header Actions & Navigation Switcher ──────────────────────────────── */
.header-actions-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

#btn-nav-contract {
  border-color: rgba(0, 210, 255, 0.35);
  color: var(--accent-cyan);
  background: rgba(0, 210, 255, 0.08);
  text-decoration: none;
}
#btn-nav-contract:hover {
  border-color: var(--accent-cyan);
  background: rgba(0, 210, 255, 0.18);
  box-shadow: 0 4px 14px rgba(0, 210, 255, 0.25);
  color: #ffffff;
}

/* ── 1m / 5m Toggle Pill ───────────────────────────────────────────────── */
.tf-toggle-pill {
  display: inline-flex;
  align-items: center;
  background: rgba(13, 22, 36, 0.9);
  border: 1px solid rgba(0, 195, 255, 0.25);
  border-radius: 6px;
  padding: 2px;
  gap: 2px;
}

.tf-toggle-pill .tf-btn {
  height: 22px;
  padding: 0 8px;
  border: none;
  background: transparent;
  border-radius: 4px;
  color: #94a3b8;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.15s ease;
}

.tf-toggle-pill .tf-btn:hover {
  color: var(--accent-cyan);
}

.tf-toggle-pill .tf-btn.active {
  background: rgba(0, 200, 255, 0.22);
  color: var(--accent-cyan);
  font-weight: 800;
  box-shadow: 0 0 8px rgba(0, 200, 255, 0.35);
}

/* ── Icon-Only Chart Action Buttons ────────────────────────────────────── */
.icon-chart-btn {
  width: 28px;
  height: 26px;
  padding: 0 !important;
  display: inline-flex !important;
  align-items: center;
  justify-content: center;
  font-size: 0.78rem !important;
  border-radius: 5px !important;
  cursor: pointer;
  transition: all 0.18s ease;
}

/* ── Mobile Layout Optimization (< 600px & < 440px) ────────────────────── */
@media (max-width: 600px) {
  header.app-header {
    padding: 8px 10px;
    gap: 8px;
  }
  .brand-section {
    gap: 8px;
  }
  .logo-badge {
    width: 32px;
    height: 32px;
    font-size: 0.95rem;
  }
  .brand-meta h1 {
    font-size: 0.92rem;
  }
  .ticker-spot {
    font-size: 0.72rem;
  }
  .header-actions-group {
    gap: 5px;
  }
  .vault-header-btn {
    padding: 5px 8px;
    font-size: 11px;
    gap: 5px;
  }
  #statutory-iceberg-badge {
    display: none; /* Hide on mobile so contract and key vault buttons fit cleanly */
  }
  .chart-header {
    padding: 6px 8px;
    gap: 6px;
  }
  .chart-title-area {
    gap: 6px;
  }
  .chart-title-area h3 {
    font-size: 0.85rem;
  }
  .chart-legend .legend-item {
    display: none; /* Hide text legend on mobile to keep icons prominent */
  }
}

@media (max-width: 440px) {
  .vault-header-btn .vault-btn-text {
    display: none; /* Icon only on compact screens */
  }
  .vault-header-btn {
    padding: 6px 9px;
  }
  .brand-meta h1 span:first-child {
    font-size: 0.88rem;
  }
  .ticker-spot span:first-child {
    display: none; /* Spot price only */
  }
  .chart-section {
    min-height: 480px;
  }
  .chart-container-box {
    min-height: 400px;
  }
}