.sidebar-nav .nav-link.active {
  background-color: var(--sidebar-active-bg);
  color: var(--text-primary);
  font-weight: 600;
  border-left-color: #fff0;
}

.sidebar-nav .nav-link.active i {
  color: var(--text-primary);
}

/* YENİ: Mobil Cihazlarda Layout Seçeneklerini Gizle */
@media (max-width: 768px) {
  .header-layout-selector {
    display: none !important;
  }
}

/* BTC.HTML STYLES START */

:root {
  /* Dark Theme */
  --dark-bg: #0c0e10;
  --dark-card-bg: #1e2026;
  --dark-surface: #2b2f36;
  --dark-surface-hover: #35393f;
  --dark-border: #2e3241;
  --dark-text-primary: #f0f2f5;
  --dark-text-secondary: #b7bdc6;
  --dark-muted: #707a8a;

  /* Light Theme */
  --light-bg: #ffffff;
  --light-card-bg: #ffffff;
  --light-surface: #f5f8fa;
  --light-surface-hover: #ebeef0;
  --light-border: #e5e8eb;
  --light-text-primary: #050f19;
  --light-text-secondary: #5b616e;
  --light-muted: #707a8a;

  /* Accent Colors */
  --primary-blue: #0052ff;
  --primary-hover: #0045d3;
  --primary-light: #1a3872;
  --green-color: rgb(14, 203, 129);
  --green-light: rgba(14, 203, 129, 0.15);
  --red-color: rgb(246, 70, 93);
  --red-light: rgba(246, 70, 93, 0.15);
  --yellow-color: #f0b90b;
  --bitcoin-orange: #f7931a;
  --volume-line: #9b59b6;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.12);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.2);

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;
}

.chart-container {
  position: relative;
  width: 100%;
  height: 300px;
}

.chart-watermark {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 60%;
  display: flex;
  justify-content: center;
  align-items: center;
  pointer-events: none;
  z-index: 1;
  user-select: none;
}

.chart-watermark span {
  font-size: 36px;
  font-weight: 700;
  transform: rotate(-5deg);
  opacity: 0.77;
  font-family: 'Inter', sans-serif;
  text-transform: lowercase;
  letter-spacing: 1px;
}

[data-theme="light"] .chart-watermark span {
  color: #000000;
}

[data-theme="dark"] .chart-watermark span {
  color: #ebc81c;
}

.chart-container canvas {
  position: relative;
  z-index: 2;
}

[data-theme="light"] {
  --bg-primary: var(--light-bg);
  --bg-secondary: var(--light-card-bg);
  --bg-secondary-rgb: 255, 255, 255;
  --bg-tertiary: var(--light-surface);
  --bg-element: var(--light-card-bg);
  --bg-hover: var(--light-surface-hover);
  --text-primary: var(--light-text-primary);
  --text-secondary: var(--light-text-secondary);
  --text-tertiary: var(--light-muted);
  --border-color: var(--light-border);
  --highlight-bg: rgba(255, 182, 193, 0.3);
  --buy-bar: rgba(14, 203, 129, 0.2);
  --sell-bar: rgba(246, 70, 93, 0.2);
  --chart-grid: rgba(0, 0, 0, 0.1);
  --volume-green: rgba(14, 203, 129, 0.6);
  --volume-red: rgba(246, 70, 93, 0.6);
  --price-line: rgba(15, 82, 255, 1);
}

[data-theme="dark"] {
  --bg-primary: var(--body-bg);
  /* Use global variable */
  --bg-secondary: rgba(32, 34, 37, 0.6);
  /* Glassy Card */
  --bg-secondary-rgb: 32, 34, 37;
  --bg-tertiary: rgba(255, 255, 255, 0.05);
  --bg-element: rgba(255, 255, 255, 0.05);
  --bg-hover: rgba(255, 255, 255, 0.1);
  --text-primary: #ffffff;
  --text-secondary: #a1a1aa;
  --text-tertiary: #71717a;
  --border-color: rgba(255, 255, 255, 0.08);
  /* Subtle border */
  --highlight-bg: rgba(99, 102, 241, 0.2);
  --buy-bar: rgba(0, 230, 118, 0.25);
  --sell-bar: rgba(255, 77, 77, 0.25);
  --chart-grid: rgba(255, 255, 255, 0.03);
  --volume-green: #00e676;
  --volume-red: #ff4d4d;
  --price-line: #2979ff;
  --shadow-card: 0 8px 32px 0 rgba(0, 0, 0, 0.36);
}

.btc-page-header {
  padding: 20px 0 20px;
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
}

.btc-page-title {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 12px;
}

.btc-page-title img {
  width: 42px;
  height: 42px;
  border-radius: 50%;
}

.btc-page-subtitle {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 800px;
  margin-bottom: 24px;
}

.volume-chart-section {
  margin: 40px 0;
}

.volume-chart-card {
  background-color: var(--bg-secondary);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  /* Smooth corners */
  box-shadow: 0 4px 24px -1px rgba(0, 0, 0, 0.2);
  padding: 24px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.volume-chart-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
}

/* YENI: Liquidity Pair Selector Stilleri */
.volume-chart-pair-selector {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
  background: none;
  border: none;
  padding: 0;
  text-align: left;
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  transition: color 0.2s ease;
}

.volume-chart-pair-selector:hover {
  color: var(--primary-blue);
}

.volume-chart-pair-selector img {
  width: 28px;
  height: 28px;
  border-radius: 50%;
}

.volume-chart-pair-selector i {
  font-size: 12px;
  color: var(--text-secondary);
  margin-left: 4px;
}





.volume-chart-controls {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.time-period-selector {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  padding: 8px 12px;
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 14px;
  cursor: pointer;
  outline: none;
}

.chart-type-toggle {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  height: 36px;
}

.chart-type-option {
  padding: 8px 14px;
  font-size: 13px;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s ease;
}

.chart-type-option.active {
  background-color: var(--primary-blue);
  color: white;
}

.chart-message {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background-color: rgba(var(--bg-secondary-rgb), 0.8);
  z-index: 10;
}

.chart-message.loading {
  color: var(--text-secondary);
  font-size: 16px;
}

.chart-message.error {
  color: var(--red-color);
  text-align: center;
  padding: 20px;
}

.spinner {
  border: 4px solid rgba(0, 0, 0, 0.1);
  border-radius: 50%;
  border-top: 4px solid var(--primary-blue);
  width: 40px;
  height: 40px;
  animation: spin 1s linear infinite;
  margin-bottom: 16px;
}

.retry-button {
  background-color: var(--primary-blue);
  color: white;
  border: none;
  padding: 8px 16px;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 14px;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }

  100% {
    transform: rotate(360deg);
  }
}

.btc-grid-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
  margin: 40px 0;
}

.btc-card {
  background-color: var(--bg-secondary);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  box-shadow: 0 4px 24px -1px rgba(0, 0, 0, 0.2);
  padding: 24px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  min-height: auto;
  display: flex;
  flex-direction: column;
}

.btc-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
}

.btc-card-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
  /* YENI */
  display: flex;
  align-items: center;
}

.btc-card .card-content {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.btc-card h3 {
  font-size: 16px;
  font-weight: 500;
  margin-top: 0;
  /* GÜNCELLENDİ */
  margin-bottom: 12px;
  color: var(--text-secondary);
}

.volume-info {
  font-size: 18px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
}

.volume-info i {
  margin-right: 12px;
  color: var(--yellow-color);
  font-size: 20px;
}

.volume-info span {
  font-weight: 600;
  color: var(--text-primary);
  margin-left: 8px;
}

.long-short-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.long-short-title {
  font-size: 16px;
  font-weight: 500;
  color: var(--text-secondary);
}

.long-short-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 40px;
  border-radius: 8px;
  overflow: hidden;
  position: relative;
  margin-bottom: 0;
  /* GÜNCELLENDİ */
  transition: background-color 0.3s ease;
}

.long-section,
.short-section {
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  height: 100%;
  font-weight: bold;
  width: 50%;
  /* Placeholder width */
  font-size: 14px;
  font-weight: 500;
  transition: width 0.4s ease, transform 0.4s ease-in-out, box-shadow 0.4s ease, opacity 0.3s ease;
  opacity: 1;
}

.long-section {
  background-color: var(--green-color);
}

.short-section {
  background-color: var(--red-color);
}

.dominant-ratio {
  transform: scale(1.03);
  box-shadow: 0 0 15px rgba(255, 255, 255, 0.15);
  z-index: 1;
}

.long-short-bar.loading-shimmer {
  background-color: var(--bg-tertiary);
  position: relative;
}

.long-short-bar.loading-shimmer::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, var(--bg-hover), transparent);
  animation: shimmer 1.5s infinite;
}

.long-short-bar.loading-shimmer>div {
  opacity: 0;
}

@keyframes shimmer {
  0% {
    left: -100%;
  }

  100% {
    left: 100%;
  }
}





@media (max-width: 992px) {
  .btc-grid-container {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .btc-page-title {
    font-size: 28px;
  }

  .btc-page-subtitle {
    font-size: 16px;
  }

  .volume-chart-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .volume-chart-controls {
    width: 100%;
  }

  .time-period-selector {
    flex-grow: 1;
  }
}

@media (max-width: 480px) {
  .btc-card {
    padding: 16px;
  }

  .chart-container {
    height: 250px;
  }
}

/* YENİ: Liquidity Page Stilleri */
.liquidity-page-content {
  padding: var(--space-md);
  max-width: 100%;
}

.liquidity-grid-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-md);
}

@media (min-width: 1200px) {
  .liquidity-grid-container {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* BTC.HTML STYLES END */

/* HEATMAP STYLES */
#page-heatmap {
  /* display:flex and flex-direction are handled by .page-content.active to prevent visibility bug */
  height: 100%;
  padding: var(--space-md);
  gap: var(--space-md);
}

.heatmap-toolbar {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  align-items: center;
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--border-color);
}

.heatmap-toggle-group,
.heatmap-timeframe-group {
  display: flex;
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.heatmap-toolbar .toolbar-btn {
  padding: 8px 16px;
  font-size: 14px;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s ease;
  border-left: 1px solid var(--border-color);
}

.heatmap-toolbar .toolbar-btn:first-child {
  border-left: none;
}

.heatmap-toolbar .toolbar-btn.active {
  background-color: var(--primary-blue);
  color: white;
  font-weight: 600;
}

#heatmap-container-wrapper {
  flex-grow: 1;
  position: relative;
}

#heatmap-container {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  width: 100%;
  height: 100%;
  align-content: flex-start;
  /* Important for wrapping */
  overflow-y: auto;
}

.heatmap-item {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  color: white;
  border-radius: var(--radius-sm);
  padding: var(--space-sm);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  position: relative;
  overflow: hidden;
}

.heatmap-item:hover {
  transform: scale(1.05);
  z-index: 10;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.heatmap-item.green {
  background: linear-gradient(135deg, rgba(0, 230, 118, 0.9) 0%, rgba(0, 200, 83, 0.95) 100%);
  border: 1px solid rgba(0, 230, 118, 0.3);
}

.heatmap-item.red {
  background: linear-gradient(135deg, rgba(255, 77, 77, 0.9) 0%, rgba(213, 0, 0, 0.95) 100%);
  border: 1px solid rgba(255, 77, 77, 0.3);
}

.heatmap-item.neutral {
  background: linear-gradient(135deg, rgba(66, 66, 66, 0.9) 0%, rgba(33, 33, 33, 0.95) 100%);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.heatmap-item-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.heatmap-item-header img {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.2);
}

.heatmap-item-header span {
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
}

.heatmap-item-value-container {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
}

.heatmap-item-price {
  font-size: 13px;
  font-weight: 500;
  opacity: 0.85;
}

.heatmap-item-value {
  font-size: 20px;
  font-weight: 700;
  text-align: right;
}

#heatmap-loader {
  position: absolute;
  inset: 0;
  background: rgba(var(--bg-secondary-rgb), 0.7);
  display: none;
  /* Changed from flex */
  justify-content: center;
  align-items: center;
  z-index: 20;
}

#heatmap-loader.visible {
  display: flex;
}

/* SCROLL STİLLERİ */
.dashboard-container {
  height: 100vh;
  display: flex;
}

.sidebar {
  display: flex;
  flex-direction: column;
}

.sidebar-nav {
  flex-grow: 1;
  overflow-y: auto;
  padding-right: 5px;
}

.main-content {
  flex-grow: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

#page-container {
  flex-grow: 1;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* GÜNCELLENDİ: Sayfa görünürlük yönetimi */
.page-content {
  display: none;
  /* Varsayılan olarak tüm sayfaları gizle */
  flex-grow: 1;
  overflow-y: auto;
}

.page-content.active {
  display: flex;
  /* Yalnızca aktif sayfayı göster (flex container olarak) */
  flex-direction: column;
}

#page-charts,
#page-settings,
#page-home {
  padding: var(--space-md);
}

#page-liquidity {
  padding: 0;
}

#page-heatmap {
  padding: 0;
}

/* Aktif sayfa flex olduğu için, içindeki bazı contentler 100% yükseklik alabilir */
/* DÜZELTME: .liquidity-page-content'den height: 100% kaldırıldı. */
#page-heatmap>.heatmap-toolbar+#heatmap-container-wrapper {
  height: 100%;
}