/* ==========================================================================
   Crude Oil Trading Signal Terminal - Stylesheet
   Theme: Dark Professional Trading Suite (Obsidian & Glassmorphism)
   Includes: XM Broker Suite & Tabbed UI Extensions
   ========================================================================== */

:root {
  --bg-dark: #0b0e14;
  --bg-card: rgba(19, 23, 34, 0.75);
  --bg-card-border: rgba(255, 255, 255, 0.08);
  --bg-header: #131722;
  --bg-hover: #1e222d;
  
  --text-main: #d1d4dc;
  --text-muted: #787b86;
  --text-white: #ffffff;
  
  /* Signal Color Palette */
  --buy-green: #00f090;
  --buy-green-glow: rgba(0, 240, 144, 0.25);
  --sell-red: #ff3b5c;
  --sell-red-glow: rgba(255, 59, 92, 0.25);
  --hold-amber: #ffb703;
  --hold-amber-glow: rgba(255, 183, 3, 0.25);
  --accent-blue: #2962ff;
  --accent-blue-glow: rgba(41, 98, 255, 0.3);

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Consolas', 'Courier New', monospace;

  --border-radius-sm: 6px;
  --border-radius-md: 12px;
  --border-radius-lg: 16px;

  --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.5;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
  background: #2a2e39;
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: #434651;
}

/* Layout Container */
.app-container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Header & Ticker Bar */
.top-nav {
  background-color: var(--bg-header);
  border-bottom: 1px solid var(--bg-card-border);
  padding: 12px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
}

.brand-section {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--accent-blue), #00d2ff);
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 800;
  font-size: 16px;
  box-shadow: 0 0 12px var(--accent-blue-glow);
}

.brand-title h1 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-white);
  letter-spacing: -0.3px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.asset-tag {
  background: rgba(41, 98, 255, 0.15);
  color: var(--accent-blue);
  font-size: 11px;
  padding: 2px 6px;
  border-radius: 4px;
  font-weight: 600;
  border: 1px solid rgba(41, 98, 255, 0.3);
}

.xm-tag {
  background: rgba(255, 183, 3, 0.15);
  color: var(--hold-amber);
  font-size: 11px;
  padding: 2px 6px;
  border-radius: 4px;
  font-weight: 600;
  border: 1px solid rgba(255, 183, 3, 0.3);
}

/* Price Ticker Strip */
.ticker-strip {
  display: flex;
  align-items: center;
  gap: 20px;
}

.ticker-item {
  display: flex;
  flex-direction: column;
}

.ticker-label {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.ticker-value {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 16px;
  color: var(--text-white);
}

.ticker-value.up { color: var(--buy-green); }
.ticker-value.down { color: var(--sell-red); }

/* Controls Header */
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.mode-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--bg-card-border);
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-main);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--buy-green);
  box-shadow: 0 0 8px var(--buy-green);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
  100% { opacity: 1; transform: scale(1); }
}

.btn-icon {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--bg-card-border);
  color: var(--text-main);
  padding: 8px 12px;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 500;
  font-size: 13px;
  transition: var(--transition-fast);
}

.btn-icon:hover {
  background: var(--bg-hover);
  color: var(--text-white);
  border-color: rgba(255, 255, 255, 0.2);
}

/* Tab Navigation Bar */
.main-tab-bar {
  background: rgba(19, 23, 34, 0.9);
  border-bottom: 1px solid var(--bg-card-border);
  padding: 0 24px;
  display: flex;
  gap: 4px;
  backdrop-filter: blur(8px);
}

.tab-btn {
  background: transparent;
  border: none;
  border-bottom: 3px solid transparent;
  color: var(--text-muted);
  padding: 14px 18px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition-fast);
}

.tab-btn:hover {
  color: var(--text-white);
  background: rgba(255, 255, 255, 0.02);
}

.tab-btn.active {
  color: var(--accent-blue);
  border-bottom-color: var(--accent-blue);
  background: rgba(41, 98, 255, 0.08);
}

/* Tab Content Panes */
.tab-pane {
  display: none;
  padding: 20px;
  flex: 1;
}

.tab-pane.active {
  display: flex;
  flex-direction: column;
}

/* Dashboard Grid Layout (Tab 1 View) */
.dashboard-grid {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 20px;
  flex: 1;
}

@media (max-width: 1200px) {
  .dashboard-grid {
    grid-template-columns: 1fr;
  }
}

/* Cards & Panel Styling */
.card {
  background: var(--bg-card);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--border-radius-md);
  backdrop-filter: blur(16px);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.card-header {
  padding: 14px 18px;
  border-bottom: 1px solid var(--bg-card-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.card-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-white);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Left Sidebar - Primary Signal Card */
.sidebar-panel {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.primary-signal-card {
  text-align: center;
  position: relative;
  transition: var(--transition-smooth);
}

.signal-banner-container {
  padding: 24px 18px 18px 18px;
  border-bottom: 1px solid var(--bg-card-border);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.signal-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0.5px;
  padding: 10px 24px;
  border-radius: var(--border-radius-md);
  margin-bottom: 16px;
  text-transform: uppercase;
  transition: var(--transition-smooth);
  width: 100%;
}

.signal-badge.strong-buy {
  background: linear-gradient(135deg, rgba(0, 240, 144, 0.2), rgba(0, 240, 144, 0.05));
  color: var(--buy-green);
  border: 2px solid var(--buy-green);
  box-shadow: 0 0 20px var(--buy-green-glow);
}

.signal-badge.strong-sell {
  background: linear-gradient(135deg, rgba(255, 59, 92, 0.2), rgba(255, 59, 92, 0.05));
  color: var(--sell-red);
  border: 2px solid var(--sell-red);
  box-shadow: 0 0 20px var(--sell-red-glow);
}

.signal-badge.hold {
  background: linear-gradient(135deg, rgba(255, 183, 3, 0.2), rgba(255, 183, 3, 0.05));
  color: var(--hold-amber);
  border: 2px solid var(--hold-amber);
  box-shadow: 0 0 20px var(--hold-amber-glow);
}

/* Confluence Meter */
.confluence-box {
  width: 100%;
  margin-bottom: 16px;
}

.confluence-header {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 6px;
  font-weight: 600;
}

.confluence-percent {
  font-family: var(--font-mono);
  color: var(--text-white);
  font-weight: 700;
}

.meter-track {
  height: 8px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  overflow: hidden;
}

.meter-fill {
  height: 100%;
  width: 50%;
  border-radius: 4px;
  transition: width 0.5s ease-out, background-color 0.5s ease;
}

/* Plain English Explanation Box */
.reason-box {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--border-radius-sm);
  padding: 12px;
  font-size: 12px;
  color: var(--text-main);
  text-align: left;
  line-height: 1.6;
}

/* Trade Parameters Grid (Entry / TP / SL) */
.trade-params-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  padding: 16px;
}

.param-card {
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--bg-card-border);
  padding: 10px 12px;
  border-radius: var(--border-radius-sm);
  display: flex;
  flex-direction: column;
}

.param-label {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 2px;
}

.param-value {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--text-white);
}

.param-value.target { color: var(--buy-green); }
.param-value.stop { color: var(--sell-red); }

/* Quick XM Order Copier Card */
.copy-order-card {
  padding: 14px 16px;
  background: rgba(41, 98, 255, 0.08);
  border-top: 1px solid var(--bg-card-border);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.btn-copy-xm {
  background: linear-gradient(135deg, var(--accent-blue), #1a52ed);
  color: white;
  border: none;
  padding: 10px 14px;
  border-radius: var(--border-radius-sm);
  font-weight: 700;
  font-size: 13px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: var(--transition-fast);
  box-shadow: 0 4px 12px var(--accent-blue-glow);
}

.btn-copy-xm:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px var(--accent-blue-glow);
}

/* Technical Matrix Cards */
.indicator-matrix {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px;
}

.matrix-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--border-radius-sm);
  font-size: 13px;
}

.matrix-name {
  font-weight: 600;
  color: var(--text-white);
}

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

.matrix-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 4px;
  text-transform: uppercase;
}

.matrix-badge.bullish {
  background: rgba(0, 240, 144, 0.15);
  color: var(--buy-green);
  border: 1px solid rgba(0, 240, 144, 0.3);
}

.matrix-badge.bearish {
  background: rgba(255, 59, 92, 0.15);
  color: var(--sell-red);
  border: 1px solid rgba(255, 59, 92, 0.3);
}

.matrix-badge.neutral {
  background: rgba(255, 183, 3, 0.15);
  color: var(--hold-amber);
  border: 1px solid rgba(255, 183, 3, 0.3);
}

/* Right Content Area (Chart + Backtest Log) */
.main-panel {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* Chart Container */
.chart-card {
  flex: 1;
  min-height: 480px;
  display: flex;
  flex-direction: column;
}

.chart-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 16px;
  background: rgba(0, 0, 0, 0.2);
  border-bottom: 1px solid var(--bg-card-border);
}

.btn-group {
  display: flex;
  gap: 4px;
}

.btn-toggle {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-muted);
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
}

.btn-toggle.active, .btn-toggle:hover {
  background: var(--bg-hover);
  color: var(--text-white);
  border-color: var(--bg-card-border);
}

.btn-toggle.active {
  color: var(--accent-blue);
  border-color: rgba(41, 98, 255, 0.4);
}

.chart-viewport {
  flex: 1;
  width: 100%;
  height: 100%;
  min-height: 420px;
  position: relative;
}

/* Tab 2: XM Lot Size Calculator Grid */
.calc-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

@media (max-width: 900px) {
  .calc-container { grid-template-columns: 1fr; }
}

.calc-box {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.lot-result-highlight {
  background: linear-gradient(135deg, rgba(41, 98, 255, 0.15), rgba(0, 240, 144, 0.08));
  border: 2px solid var(--accent-blue);
  border-radius: var(--border-radius-md);
  padding: 24px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.lot-number {
  font-family: var(--font-mono);
  font-size: 42px;
  font-weight: 800;
  color: var(--buy-green);
  line-height: 1;
}

/* Tab 3: Pivot Points Table Grid */
.pivot-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

@media (max-width: 900px) {
  .pivot-grid { grid-template-columns: 1fr; }
}

.pivot-card {
  padding: 20px;
}

.pivot-level-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 14px;
  border-bottom: 1px solid var(--bg-card-border);
  font-family: var(--font-mono);
}

.pivot-level-row.pivot-p {
  background: rgba(255, 183, 3, 0.1);
  font-weight: 700;
  color: var(--hold-amber);
}

.pivot-level-row.resistance { color: var(--sell-red); }
.pivot-level-row.support { color: var(--buy-green); }

/* Tab 4: Economic Calendar Cards */
.news-feed-container {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.news-card {
  background: var(--bg-card);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--border-radius-md);
  padding: 18px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.news-tag {
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 4px;
  text-transform: uppercase;
}

.news-tag.high-impact {
  background: rgba(255, 59, 92, 0.2);
  color: var(--sell-red);
  border: 1px solid rgba(255, 59, 92, 0.4);
}

.news-tag.medium-impact {
  background: rgba(255, 183, 3, 0.2);
  color: var(--hold-amber);
  border: 1px solid rgba(255, 183, 3, 0.4);
}

/* Toast Notification Styling */
.toast-notification {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--bg-header);
  border: 1px solid var(--buy-green);
  color: var(--text-white);
  padding: 12px 20px;
  border-radius: var(--border-radius-sm);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 10000;
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.toast-notification.active {
  transform: translateY(0);
  opacity: 1;
}

/* Backtest History Table Styling */
.history-stats {
  display: flex;
  gap: 24px;
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
}

.stat-label { color: var(--text-muted); }
.stat-val { font-family: var(--font-mono); font-weight: 700; color: var(--text-white); }

.table-responsive {
  overflow-x: auto;
  max-height: 400px;
  overflow-y: auto;
}

.history-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 13px;
}

.history-table th {
  background: rgba(0, 0, 0, 0.3);
  color: var(--text-muted);
  font-weight: 600;
  padding: 12px 16px;
  font-size: 11px;
  text-transform: uppercase;
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--bg-card-border);
}

.history-table td {
  padding: 12px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
  color: var(--text-main);
}

.history-table tr:hover { background: rgba(255, 255, 255, 0.02); }

/* Modal Popup Styling */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.modal-card {
  background: var(--bg-header);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--border-radius-md);
  width: 100%;
  max-width: 480px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
  overflow: hidden;
}

.modal-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--bg-card-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header h3 { font-size: 16px; color: var(--text-white); }

.modal-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

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

.form-group label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
}

.form-input, .form-select {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--bg-card-border);
  color: var(--text-white);
  padding: 10px 12px;
  border-radius: var(--border-radius-sm);
  font-family: var(--font-sans);
  font-size: 13px;
  outline: none;
}

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

.btn-primary {
  background: var(--accent-blue);
  color: white;
  border: none;
  padding: 10px 16px;
  border-radius: var(--border-radius-sm);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
}

.btn-primary:hover { background: #1a52ed; }