@font-face {
    font-family: 'FKGroteskNeue';
    src: url('https://www.perplexity.ai/fonts/FKGroteskNeue.woff2')
      format('woff2');
  }
  
  :root {
    /* Colors */
    --color-background: rgba(252, 252, 249, 1);
    --color-surface: rgba(255, 255, 253, 1);
    --color-text: rgba(19, 52, 59, 1);
    --color-text-secondary: rgba(98, 108, 113, 1);
    --color-primary: rgba(33, 128, 141, 1);
    --color-primary-hover: rgba(29, 116, 128, 1);
    --color-primary-active: rgba(26, 104, 115, 1);
    --color-secondary: rgba(94, 82, 64, 0.12);
    --color-secondary-hover: rgba(94, 82, 64, 0.2);
    --color-secondary-active: rgba(94, 82, 64, 0.25);
    --color-border: rgba(94, 82, 64, 0.2);
    --color-btn-primary-text: rgba(252, 252, 249, 1);
    --color-card-border: rgba(94, 82, 64, 0.12);
    --color-card-border-inner: rgba(94, 82, 64, 0.12);
    --color-error: rgba(192, 21, 47, 1);
    --color-success: rgba(33, 128, 141, 1);
    --color-warning: rgba(168, 75, 47, 1);
    --color-info: rgba(98, 108, 113, 1);
    --color-focus-ring: rgba(33, 128, 141, 0.4);
    --color-select-caret: rgba(19, 52, 59, 0.8);
  
    /* Common style patterns */
    --focus-ring: 0 0 0 3px var(--color-focus-ring);
    --focus-outline: 2px solid var(--color-primary);
    --status-bg-opacity: 0.15;
    --status-border-opacity: 0.25;
    --select-caret-light: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23134252' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    --select-caret-dark: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23f5f5f5' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  
    /* RGB versions for opacity control */
    --color-success-rgb: 33, 128, 141;
    --color-error-rgb: 192, 21, 47;
    --color-warning-rgb: 168, 75, 47;
    --color-info-rgb: 98, 108, 113;
  
    /* Typography */
    --font-family-base: "FKGroteskNeue", "Geist", "Inter", -apple-system,
      BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-family-mono: "Berkeley Mono", ui-monospace, SFMono-Regular, Menlo,
      Monaco, Consolas, monospace;
    --font-size-xs: 11px;
    --font-size-sm: 12px;
    --font-size-base: 14px;
    --font-size-md: 14px;
    --font-size-lg: 16px;
    --font-size-xl: 18px;
    --font-size-2xl: 20px;
    --font-size-3xl: 24px;
    --font-size-4xl: 30px;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 550;
    --font-weight-bold: 600;
    --line-height-tight: 1.2;
    --line-height-normal: 1.5;
    --letter-spacing-tight: -0.01em;
  
    /* Spacing */
    --space-0: 0;
    --space-1: 1px;
    --space-2: 2px;
    --space-4: 4px;
    --space-6: 6px;
    --space-8: 8px;
    --space-10: 10px;
    --space-12: 12px;
    --space-16: 16px;
    --space-20: 20px;
    --space-24: 24px;
    --space-32: 32px;
  
    /* Border Radius */
    --radius-sm: 6px;
    --radius-base: 8px;
    --radius-md: 10px;
    --radius-lg: 12px;
    --radius-full: 9999px;
  
    /* Shadows */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.02);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.02);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.04),
      0 2px 4px -1px rgba(0, 0, 0, 0.02);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.04),
      0 4px 6px -2px rgba(0, 0, 0, 0.02);
    --shadow-inset-sm: inset 0 1px 0 rgba(255, 255, 255, 0.15),
      inset 0 -1px 0 rgba(0, 0, 0, 0.03);
  
    /* Animation */
    --duration-fast: 150ms;
    --duration-normal: 250ms;
    --ease-standard: cubic-bezier(0.16, 1, 0.3, 1);
  
    /* Layout */
    --container-sm: 640px;
    --container-md: 768px;
    --container-lg: 1024px;
    --container-xl: 1280px;
  }
  
  /* Dark mode colors */
  @media (prefers-color-scheme: dark) {
    :root {
      --color-background: rgba(31, 33, 33, 1);
      --color-surface: rgba(38, 40, 40, 1);
      --color-text: rgba(245, 245, 245, 1);
      --color-text-secondary: rgba(167, 169, 169, 0.7);
      --color-primary: rgba(50, 184, 198, 1);
      --color-primary-hover: rgba(45, 166, 178, 1);
      --color-primary-active: rgba(41, 150, 161, 1);
      --color-secondary: rgba(119, 124, 124, 0.15);
      --color-secondary-hover: rgba(119, 124, 124, 0.25);
      --color-secondary-active: rgba(119, 124, 124, 0.3);
      --color-border: rgba(119, 124, 124, 0.3);
      --color-error: rgba(255, 84, 89, 1);
      --color-success: rgba(50, 184, 198, 1);
      --color-warning: rgba(230, 129, 97, 1);
      --color-info: rgba(167, 169, 169, 1);
      --color-focus-ring: rgba(50, 184, 198, 0.4);
      --color-btn-primary-text: rgba(19, 52, 59, 1);
      --color-card-border: rgba(119, 124, 124, 0.2);
      --color-card-border-inner: rgba(119, 124, 124, 0.15);
      --shadow-inset-sm: inset 0 1px 0 rgba(255, 255, 255, 0.1),
        inset 0 -1px 0 rgba(0, 0, 0, 0.15);
      --button-border-secondary: rgba(119, 124, 124, 0.2);
      --color-border-secondary: rgba(119, 124, 124, 0.2);
      --color-select-caret: rgba(245, 245, 245, 0.8);
  
      /* Common style patterns - updated for dark mode */
      --focus-ring: 0 0 0 3px var(--color-focus-ring);
      --focus-outline: 2px solid var(--color-primary);
      --status-bg-opacity: 0.15;
      --status-border-opacity: 0.25;
      --select-caret-light: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23134252' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
      --select-caret-dark: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23f5f5f5' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  
      /* RGB versions for dark mode */
      --color-success-rgb: 50, 184, 198;
      --color-error-rgb: 255, 84, 89;
      --color-warning-rgb: 230, 129, 97;
      --color-info-rgb: 167, 169, 169;
    }
  }
  
  /* Data attribute for manual theme switching */
  [data-color-scheme="dark"] {
    --color-background: rgba(31, 33, 33, 1);
    --color-surface: rgba(38, 40, 40, 1);
    --color-text: rgba(245, 245, 245, 1);
    --color-text-secondary: rgba(167, 169, 169, 0.7);
    --color-primary: rgba(50, 184, 198, 1);
    --color-primary-hover: rgba(45, 166, 178, 1);
    --color-primary-active: rgba(41, 150, 161, 1);
    --color-secondary: rgba(119, 124, 124, 0.15);
    --color-secondary-hover: rgba(119, 124, 124, 0.25);
    --color-secondary-active: rgba(119, 124, 124, 0.3);
    --color-border: rgba(119, 124, 124, 0.3);
    --color-error: rgba(255, 84, 89, 1);
    --color-success: rgba(50, 184, 198, 1);
    --color-warning: rgba(230, 129, 97, 1);
    --color-info: rgba(167, 169, 169, 1);
    --color-focus-ring: rgba(50, 184, 198, 0.4);
    --color-btn-primary-text: rgba(19, 52, 59, 1);
    --color-card-border: rgba(119, 124, 124, 0.15);
    --color-card-border-inner: rgba(119, 124, 124, 0.15);
    --shadow-inset-sm: inset 0 1px 0 rgba(255, 255, 255, 0.1),
      inset 0 -1px 0 rgba(0, 0, 0, 0.15);
    --color-border-secondary: rgba(119, 124, 124, 0.2);
    --color-select-caret: rgba(245, 245, 245, 0.8);
  
    /* Common style patterns - updated for dark mode */
    --focus-ring: 0 0 0 3px var(--color-focus-ring);
    --focus-outline: 2px solid var(--color-primary);
    --status-bg-opacity: 0.15;
    --status-border-opacity: 0.25;
    --select-caret-light: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23134252' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    --select-caret-dark: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23f5f5f5' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  
    /* RGB versions for dark mode */
    --color-success-rgb: 50, 184, 198;
    --color-error-rgb: 255, 84, 89;
    --color-warning-rgb: 230, 129, 97;
    --color-info-rgb: 167, 169, 169;
  }
  
  [data-color-scheme="light"] {
    --color-background: rgba(252, 252, 249, 1);
    --color-surface: rgba(255, 255, 253, 1);
    --color-text: rgba(19, 52, 59, 1);
    --color-text-secondary: rgba(98, 108, 113, 1);
    --color-primary: rgba(33, 128, 141, 1);
    --color-primary-hover: rgba(29, 116, 128, 1);
    --color-primary-active: rgba(26, 104, 115, 1);
    --color-secondary: rgba(94, 82, 64, 0.12);
    --color-secondary-hover: rgba(94, 82, 64, 0.2);
    --color-secondary-active: rgba(94, 82, 64, 0.25);
    --color-border: rgba(94, 82, 64, 0.2);
    --color-btn-primary-text: rgba(252, 252, 249, 1);
    --color-card-border: rgba(94, 82, 64, 0.12);
    --color-card-border-inner: rgba(94, 82, 64, 0.12);
    --color-error: rgba(192, 21, 47, 1);
    --color-success: rgba(33, 128, 141, 1);
    --color-warning: rgba(168, 75, 47, 1);
    --color-info: rgba(98, 108, 113, 1);
    --color-focus-ring: rgba(33, 128, 141, 0.4);
  
    /* RGB versions for light mode */
    --color-success-rgb: 33, 128, 141;
    --color-error-rgb: 192, 21, 47;
    --color-warning-rgb: 168, 75, 47;
    --color-info-rgb: 98, 108, 113;
  }
  
  /* Base styles */
  html {
    font-size: var(--font-size-base);
    font-family: var(--font-family-base);
    line-height: var(--line-height-normal);
    color: var(--color-text);
    background-color: var(--color-background);
    -webkit-font-smoothing: antialiased;
    box-sizing: border-box;
  }
  
  body {
    margin: 0;
    padding: 0;
  }
  
  *,
  *::before,
  *::after {
    box-sizing: inherit;
  }
  
  /* Typography */
  h1,
  h2,
  h3,
  h4,
  h5,
  h6 {
    margin: 0;
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-tight);
    color: var(--color-text);
    letter-spacing: var(--letter-spacing-tight);
  }
  
  h1 {
    font-size: var(--font-size-4xl);
  }
  h2 {
    font-size: var(--font-size-3xl);
  }
  h3 {
    font-size: var(--font-size-2xl);
  }
  h4 {
    font-size: var(--font-size-xl);
  }
  h5 {
    font-size: var(--font-size-lg);
  }
  h6 {
    font-size: var(--font-size-md);
  }
  
  p {
    margin: 0 0 var(--space-16) 0;
  }
  
  a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--duration-fast) var(--ease-standard);
  }
  
  a:hover {
    color: var(--color-primary-hover);
  }
  
  code,
  pre {
    font-family: var(--font-family-mono);
    font-size: calc(var(--font-size-base) * 0.95);
    background-color: var(--color-secondary);
    border-radius: var(--radius-sm);
  }
  
  code {
    padding: var(--space-1) var(--space-4);
  }
  
  pre {
    padding: var(--space-16);
    margin: var(--space-16) 0;
    overflow: auto;
    border: 1px solid var(--color-border);
  }
  
  pre code {
    background: none;
    padding: 0;
  }
  
  /* Buttons */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-8) var(--space-16);
    border-radius: var(--radius-base);
    font-size: var(--font-size-base);
    font-weight: 500;
    line-height: 1.5;
    cursor: pointer;
    transition: all var(--duration-normal) var(--ease-standard);
    border: none;
    text-decoration: none;
    position: relative;
  }
  
  .btn:focus-visible {
    outline: none;
    box-shadow: var(--focus-ring);
  }
  
  .btn--primary {
    background: var(--color-primary);
    color: var(--color-btn-primary-text);
  }
  
  .btn--primary:hover {
    background: var(--color-primary-hover);
  }
  
  .btn--primary:active {
    background: var(--color-primary-active);
  }
  
  .btn--secondary {
    background: var(--color-secondary);
    color: var(--color-text);
  }
  
  .btn--secondary:hover {
    background: var(--color-secondary-hover);
  }
  
  .btn--secondary:active {
    background: var(--color-secondary-active);
  }
  
  .btn--outline {
    background: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-text);
  }
  
  .btn--outline:hover {
    background: var(--color-secondary);
  }
  
  .btn--sm {
    padding: var(--space-4) var(--space-12);
    font-size: var(--font-size-sm);
    border-radius: var(--radius-sm);
  }
  
  .btn--lg {
    padding: var(--space-10) var(--space-20);
    font-size: var(--font-size-lg);
    border-radius: var(--radius-md);
  }
  
  .btn--full-width {
    width: 100%;
  }
  
  .btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
  }
  
  /* Form elements */
  .form-control {
    display: block;
    width: 100%;
    padding: var(--space-8) var(--space-12);
    font-size: var(--font-size-md);
    line-height: 1.5;
    color: var(--color-text);
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-base);
    transition: border-color var(--duration-fast) var(--ease-standard),
      box-shadow var(--duration-fast) var(--ease-standard);
  }
  
  textarea.form-control {
    font-family: var(--font-family-base);
    font-size: var(--font-size-base);
  }
  
  select.form-control {
    padding: var(--space-8) var(--space-12);
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    background-image: var(--select-caret-light);
    background-repeat: no-repeat;
    background-position: right var(--space-12) center;
    background-size: 16px;
    padding-right: var(--space-32);
  }
  
  /* Add a dark mode specific caret */
  @media (prefers-color-scheme: dark) {
    select.form-control {
      background-image: var(--select-caret-dark);
    }
  }
  
  /* Also handle data-color-scheme */
  [data-color-scheme="dark"] select.form-control {
    background-image: var(--select-caret-dark);
  }
  
  [data-color-scheme="light"] select.form-control {
    background-image: var(--select-caret-light);
  }
  
  .form-control:focus {
    border-color: var(--color-primary);
    outline: var(--focus-outline);
  }
  
  .form-label {
    display: block;
    margin-bottom: var(--space-8);
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-sm);
  }
  
  .form-group {
    margin-bottom: var(--space-16);
  }
  
  /* Card component */
  .card {
    background-color: var(--color-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-card-border);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: box-shadow var(--duration-normal) var(--ease-standard);
  }
  
  .card:hover {
    box-shadow: var(--shadow-md);
  }
  
  .card__body {
    padding: var(--space-16);
  }
  
  .card__header,
  .card__footer {
    padding: var(--space-16);
    border-bottom: 1px solid var(--color-card-border-inner);
  }
  
  /* Status indicators - simplified with CSS variables */
  .status {
    display: inline-flex;
    align-items: center;
    padding: var(--space-6) var(--space-12);
    border-radius: var(--radius-full);
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-sm);
  }
  
  .status--success {
    background-color: rgba(
      var(--color-success-rgb, 33, 128, 141),
      var(--status-bg-opacity)
    );
    color: var(--color-success);
    border: 1px solid
      rgba(var(--color-success-rgb, 33, 128, 141), var(--status-border-opacity));
  }
  
  .status--error {
    background-color: rgba(
      var(--color-error-rgb, 192, 21, 47),
      var(--status-bg-opacity)
    );
    color: var(--color-error);
    border: 1px solid
      rgba(var(--color-error-rgb, 192, 21, 47), var(--status-border-opacity));
  }
  
  .status--warning {
    background-color: rgba(
      var(--color-warning-rgb, 168, 75, 47),
      var(--status-bg-opacity)
    );
    color: var(--color-warning);
    border: 1px solid
      rgba(var(--color-warning-rgb, 168, 75, 47), var(--status-border-opacity));
  }
  
  .status--info {
    background-color: rgba(
      var(--color-info-rgb, 98, 108, 113),
      var(--status-bg-opacity)
    );
    color: var(--color-info);
    border: 1px solid
      rgba(var(--color-info-rgb, 98, 108, 113), var(--status-border-opacity));
  }
  
  /* Container layout */
  .container {
    width: 100%;
    margin-right: auto;
    margin-left: auto;
    padding-right: var(--space-16);
    padding-left: var(--space-16);
  }
  
  @media (min-width: 640px) {
    .container {
      max-width: var(--container-sm);
    }
  }
  @media (min-width: 768px) {
    .container {
      max-width: var(--container-md);
    }
  }
  @media (min-width: 1024px) {
    .container {
      max-width: var(--container-lg);
    }
  }
  @media (min-width: 1280px) {
    .container {
      max-width: var(--container-xl);
    }
  }
  
  /* Utility classes */
  .flex {
    display: flex;
  }
  .flex-col {
    flex-direction: column;
  }
  .items-center {
    align-items: center;
  }
  .justify-center {
    justify-content: center;
  }
  .justify-between {
    justify-content: space-between;
  }
  .gap-4 {
    gap: var(--space-4);
  }
  .gap-8 {
    gap: var(--space-8);
  }
  .gap-16 {
    gap: var(--space-16);
  }
  
  .m-0 {
    margin: 0;
  }
  .mt-8 {
    margin-top: var(--space-8);
  }
  .mb-8 {
    margin-bottom: var(--space-8);
  }
  .mx-8 {
    margin-left: var(--space-8);
    margin-right: var(--space-8);
  }
  .my-8 {
    margin-top: var(--space-8);
    margin-bottom: var(--space-8);
  }
  
  .p-0 {
    padding: 0;
  }
  .py-8 {
    padding-top: var(--space-8);
    padding-bottom: var(--space-8);
  }
  .px-8 {
    padding-left: var(--space-8);
    padding-right: var(--space-8);
  }
  .py-16 {
    padding-top: var(--space-16);
    padding-bottom: var(--space-16);
  }
  .px-16 {
    padding-left: var(--space-16);
    padding-right: var(--space-16);
  }
  
  .block {
    display: block;
  }
  .hidden {
    display: none;
  }
  
  /* Accessibility */
  .sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
  }
  
  :focus-visible {
    outline: var(--focus-outline);
    outline-offset: 2px;
  }
  
  /* Dark mode specifics */
  [data-color-scheme="dark"] .btn--outline {
    border: 1px solid var(--color-border-secondary);
  }
  
  /* Custom styles for Bitcoin Dashboard */
  body {
    background-color: #1a1a1a;
    color: #ffffff;
    font-family: var(--font-family-base);
    margin: 0;
    padding: 0;
  }
  
  /* Override design system for dark theme */
  :root {
    --color-background: #1a1a1a;
    --color-surface: #2a2a2a;
    --color-text: #ffffff;
    --color-text-secondary: #b0b0b0;
    --color-primary: #F7931A;
    --color-primary-hover: #e6830f;
    --color-primary-active: #d4740e;
    --color-border: #404040;
    --color-card-border: #404040;
    --color-success: #00d4aa;
    --color-error: #ff6b6b;
    --color-warning: #ffa726;
    --bitcoin-orange: #F7931A;
    --gain-green: #00d4aa;
    --loss-red: #ff6b6b;
  }
  
  .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-20);
  }
  
  /* Header */
  .header {
    margin-bottom: var(--space-32);
  }
  
  .header__content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-16);
  }
  
  .header__title {
    display: flex;
    align-items: center;
    gap: var(--space-12);
  }
  
  .bitcoin-icon {
    font-size: var(--font-size-4xl);
    color: var(--bitcoin-orange);
    font-weight: bold;
  }
  
  .header__title h1 {
    font-size: var(--font-size-3xl);
    margin: 0;
    color: var(--color-text);
  }
  
  .header__controls {
    display: flex;
    align-items: center;
    gap: var(--space-16);
  }
  
  .currency-switcher {
    background-color: var(--bitcoin-orange);
    color: white;
    border: none;
    font-weight: var(--font-weight-medium);
    min-width: 60px;
  }
  
  .currency-switcher:hover {
    background-color: var(--color-primary-hover);
  }
  
  .header__timestamp {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    font-weight: var(--font-weight-medium);
  }
  
  /* Hero Price Section */
  .hero-price {
    margin-bottom: var(--space-32);
  }
  
  .hero-price .card {
    background: linear-gradient(135deg, #2a2a2a 0%, #333333 100%);
    border: 1px solid var(--bitcoin-orange);
  }
  
  .price-display {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-24);
    flex-wrap: wrap;
    gap: var(--space-16);
  }
  
  .price-main {
    display: flex;
    align-items: baseline;
    gap: var(--space-8);
    flex-wrap: wrap;
  }
  
  .currency {
    font-size: var(--font-size-2xl);
    color: var(--color-text-secondary);
    line-height: 1;
  }
  
  .price-value {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: var(--font-weight-bold);
    color: var(--bitcoin-orange);
    letter-spacing: -0.02em;
    line-height: 1;
    white-space: nowrap;
  }
  
  .price-change {
    display: flex;
    align-items: center;
    gap: var(--space-8);
    padding: var(--space-8) var(--space-16);
    background-color: var(--loss-red);
    border-radius: var(--radius-full);
    color: white;
    font-weight: var(--font-weight-medium);
    flex-shrink: 0;
  }
  
  .price-change.positive {
    background-color: var(--gain-green);
  }
  
  .market-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-24);
  }
  
  .stat-item {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
  }
  
  .stat-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
  }
  
  .stat-value {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
  }
  
  /* Section Headers */
  h2 {
    margin-bottom: var(--space-20);
    color: var(--color-text);
    font-size: var(--font-size-2xl);
  }
  
  /* Technical Indicators */
  .technical-indicators {
    margin-bottom: var(--space-32);
  }
  
  .indicators-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-16);
  }
  
  .indicator-card .card__body {
    padding: var(--space-20);
  }
  
  .indicator-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-12);
  }
  
  .indicator-name {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
  }
  
  .indicator-status {
    font-size: var(--font-size-xs);
  }
  
  .indicator-value {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text);
    margin-bottom: var(--space-8);
  }
  
  .indicator-description {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: var(--line-height-normal);
    margin-top: var(--space-8);
  }
  
  .fear-greed-bar {
    margin-top: var(--space-12);
    height: 4px;
    background-color: #404040;
    border-radius: var(--radius-full);
    overflow: hidden;
  }
  
  .fear-greed-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--loss-red) 0%, var(--color-warning) 50%, var(--gain-green) 100%);
    transition: width 0.3s ease;
  }
  
  /* Price Chart Section */
  .price-chart-section {
    margin-bottom: var(--space-32);
  }
  
  .chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-20);
    flex-wrap: wrap;
    gap: var(--space-16);
  }
  
  .timeframe-buttons {
    display: flex;
    gap: var(--space-8);
  }
  
  .timeframe-btn {
    background-color: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
  }
  
  .timeframe-btn.active {
    background-color: var(--bitcoin-orange);
    border-color: var(--bitcoin-orange);
    color: white;
  }
  
  .timeframe-btn:hover {
    border-color: var(--bitcoin-orange);
    color: var(--bitcoin-orange);
  }
  
  .timeframe-btn.active:hover {
    background-color: var(--color-primary-hover);
    color: white;
  }
  
  .chart-container {
    height: 400px;
    position: relative;
    width: 100%;
  }
  
  .chart-container canvas {
    max-height: 400px;
  }
  
  /* Market Data */
  .market-data {
    margin-bottom: var(--space-32);
  }
  
  .market-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-16);
  }
  
  .market-item {
    display: flex;
    flex-direction: column;
    gap: var(--space-8);
  }
  
  .market-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
  }
  
  .market-value {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
  }
  
  /* Predictions */
  .predictions {
    margin-bottom: var(--space-32);
  }
  
  .predictions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-16);
  }
  
  .prediction-card {
    border: 1px solid var(--bitcoin-orange);
    background: linear-gradient(135deg, #2a2a2a 0%, #1f1f1f 100%);
  }
  
  .prediction-timeframe {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-8);
  }
  
  .prediction-price {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: var(--gain-green);
    margin-bottom: var(--space-16);
  }
  
  .confidence-bar {
    margin-top: var(--space-16);
  }
  
  .confidence-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-8);
  }
  
  .confidence-progress {
    height: 6px;
    background-color: #404040;
    border-radius: var(--radius-full);
    overflow: hidden;
  }
  
  .confidence-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--loss-red) 0%, var(--color-warning) 50%, var(--gain-green) 100%);
    transition: width 0.3s ease;
  }
  
  /* Volume Analysis */
  .volume-analysis {
    margin-bottom: var(--space-32);
  }
  
  /* Card overrides for dark theme */
  .card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-card-border);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
  }
  
  .card:hover {
    box-shadow: 0 8px 12px rgba(0, 0, 0, 0.4);
  }
  
  /* Status indicators dark theme */
  .status--success {
    background-color: rgba(0, 212, 170, 0.2);
    color: var(--gain-green);
    border-color: var(--gain-green);
  }
  
  .status--error {
    background-color: rgba(255, 107, 107, 0.2);
    color: var(--loss-red);
    border-color: var(--loss-red);
  }
  
  .status--warning {
    background-color: rgba(255, 167, 38, 0.2);
    color: var(--color-warning);
    border-color: var(--color-warning);
  }
  
  .status--info {
    background-color: rgba(176, 176, 176, 0.2);
    color: var(--color-text-secondary);
    border-color: var(--color-text-secondary);
  }
  
  /* Chart loading state */
  .chart-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 400px;
    color: var(--color-text-secondary);
    font-size: var(--font-size-lg);
  }
  
  /* Responsive design */
  @media (max-width: 768px) {
    .container {
      padding: var(--space-16);
    }
    
    .price-display {
      flex-direction: column;
      align-items: flex-start;
    }
    
    .price-main {
      width: 100%;
    }
    
    .price-value {
      font-size: 2.5rem;
    }
    
    .chart-container {
      height: 300px;
    }
    
    .header__content {
      flex-direction: column;
      align-items: flex-start;
    }
    
    .indicators-grid {
      grid-template-columns: 1fr;
    }
    
    .market-grid {
      grid-template-columns: 1fr;
    }
    
    .predictions-grid {
      grid-template-columns: 1fr;
    }
    
    .market-stats {
      grid-template-columns: 1fr;
    }
  }
  
  /* Loading animation */
  @keyframes pulse {
    0%, 100% {
      opacity: 1;
    }
    50% {
      opacity: 0.5;
    }
  }
  
  .loading {
    animation: pulse 2s infinite;
  }
  
  /* Smooth transitions */
  * {
    transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
  }
  
  /* Focus styles for accessibility */
  button:focus-visible {
    outline: 2px solid var(--bitcoin-orange);
    outline-offset: 2px;
  }
  
  /* Zusätzliche CSS-Regeln für Currency Toggle */
.currency-toggle {
    display: flex;
    gap: var(--space-4);
    background: rgba(119, 124, 124, 0.15);
    border-radius: var(--radius-full);
    padding: var(--space-4);
}

.currency-btn {
    background-color: transparent;
    border: none;
    color: var(--color-text-secondary);
    padding: var(--space-6) var(--space-12);
    border-radius: var(--radius-base);
    font-weight: var(--font-weight-medium);
    transition: all var(--duration-fast) var(--ease-standard);
    cursor: pointer;
}

.currency-btn.active {
    background-color: var(--color-primary);
    color: var(--color-btn-primary-text);
}

.currency-btn:hover:not(.active) {
    background-color: var(--color-secondary-hover);
    color: var(--color-text);
}

.currency-btn:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Timeframe buttons styling */
.timeframe-btn {
    background-color: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
}

.timeframe-btn.active {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-btn-primary-text);
}

.timeframe-btn:hover:not(.active) {
    border-color: var(--color-primary);
    color: var(--color-primary);
}