/* ===================================
   Site Header (Homepage Style)
   =================================== */
.site-header {
    background: #1a1a1a;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

/* Prevent site-header from changing in dark mode */
[data-theme="dark"] .site-header {
    background: #1a1a1a !important;
}


.site-header__container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.site-header__logo-link {
    display: flex;
    align-items: center;
}

.site-header__logo {
    height: 60px;
    width: auto;
}

.site-nav {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.site-nav__link {
    color: #fff;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s;
    white-space: nowrap;
}

.site-nav__link:hover {
    color: #0693e3;
    transform: translateY(-2px);
}

.site-header__actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

/* Tool Title Section */
.tool-title-section {
    background: var(--bg-primary, #fff);
    padding: 2.5rem 1.5rem;
    text-align: center;
    border-bottom: 2px solid var(--border-primary, #ddd);
}

.tool-title {
    font-family: var(--font-display, 'Playfair Display', serif);
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary, #1a1a1a);
    margin: 0 0 0.75rem 0;
    line-height: 1.2;
}

.tool-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary, #666);
    margin: 0;
    line-height: 1.5;
}

/* Responsive Site Header */
@media (max-width: 768px) {
    .site-header__container {
        justify-content: center;
        text-align: center;
    }

    .site-nav {
        width: 100%;
        justify-content: center;
        gap: 1rem;
    }

    .site-header__actions {
        width: 100%;
        justify-content: center;
    }

    .tool-title {
        font-size: 1.5rem;
    }

    .tool-subtitle {
        font-size: 0.95rem;
    }
}



/**
 * Professional Gauge Converter - Styles v2.0
 * Poli International
 *
 * Design: Dark streetwise aesthetic with brand colors + Dark Mode Toggle
 * Approach: Mobile-first responsive design
 * Methodology: BEM naming convention
 */

/* ============================================
   CSS CUSTOM PROPERTIES (VARIABLES)
   ============================================ */

:root {
  /* Brand Colors from Poli International */
  --brand-cyan: #0693e3;
  --brand-purple: #9b51e0;
  --brand-dark: #32373c;
  --brand-white: #ffffff;

  /* Light Mode (Darker base for streetwise look) */
  --color-primary: #0693e3;
  --color-primary-dark: #0572b8;
  --color-primary-light: #2ba5eb;
  --color-accent: #9b51e0;
  --color-accent-dark: #7d3eb5;

  --color-text-primary: #ffffff;
  --color-text-secondary: #b8b8b8;
  --color-text-muted: #808080;

  --color-background: #1a1a1a;
  --color-background-elevated: #2a2a2a;
  --color-background-card: #222222;

  --color-border: #404040;
  --color-border-light: #353535;
  --color-border-focus: var(--color-primary);

  --color-error: #ff4757;
  --color-error-bg: #3a1f22;
  --color-success: #2ed573;

  /* Typography */
  --font-family-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-family-mono: "SF Mono", Monaco, "Cascadia Code", "Roboto Mono", Consolas, "Courier New", monospace;

  --font-size-base: 16px;
  --font-size-small: 14px;
  --font-size-large: 18px;
  --font-size-input: 18px;
  --font-size-h1: 32px;
  --font-size-h2: 24px;
  --font-size-h3: 18px;

  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-bold: 700;

  --line-height-base: 1.5;
  --line-height-tight: 1.2;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;

  /* Layout */
  --container-max-width: 1200px;
  --border-radius: 8px;
  --border-radius-small: 4px;

  /* Transitions */
  --transition-speed: 0.3s;
  --transition-ease: ease;

  /* Shadows */
  --shadow-small: 0 2px 8px rgba(0, 0, 0, 0.4);
  --shadow-medium: 0 4px 12px rgba(0, 0, 0, 0.5);
  --shadow-large: 0 8px 24px rgba(0, 0, 0, 0.6);
  --shadow-focus: 0 0 0 3px rgba(6, 147, 227, 0.4);
  --shadow-glow: 0 0 20px rgba(6, 147, 227, 0.3);
}

/* ============================================
   DARK MODE STYLES
   ============================================ */

body.light-mode {
  --color-primary: #0693e3;
  --color-primary-dark: #0572b8;
  --color-accent: #9b51e0;

  --color-text-primary: #333333;
  --color-text-secondary: #666666;
  --color-text-muted: #999999;

  --color-background: #f5f5f5;
  --color-background-elevated: #ffffff;
  --color-background-card: #fafafa;

  --color-border: #dddddd;
  --color-border-light: #e8e8e8;

  --color-error: #dc3545;
  --color-error-bg: #f8d7da;

  --shadow-small: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-medium: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-large: 0 8px 16px rgba(0, 0, 0, 0.1);
  --shadow-focus: 0 0 0 3px rgba(6, 147, 227, 0.25);
  --shadow-glow: 0 0 15px rgba(6, 147, 227, 0.2);
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */

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

body {
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: var(--color-text-primary);
  background-color: var(--color-background);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color var(--transition-speed) var(--transition-ease),
              color var(--transition-speed) var(--transition-ease);
}

/* ============================================
   MAIN CONTAINER
   ============================================ */

.gauge-converter {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: var(--spacing-md);
  background-color: var(--color-background-elevated);
  min-height: 100vh;
  transition: background-color var(--transition-speed) var(--transition-ease);
}

/* ============================================
   HEADER
   ============================================ */

.gauge-converter__header {
  padding: var(--spacing-lg) var(--spacing-md);
  border-bottom: 2px solid var(--color-primary);
  margin-bottom: var(--spacing-xl);
  background: linear-gradient(135deg, #3B82F6 0%, #8B5CF6 100%);
  border-radius: var(--border-radius) var(--border-radius) 0 0;
  box-shadow: var(--shadow-glow);
}

.gauge-converter__header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.gauge-converter__logo-container {
  flex-shrink: 0;
}

.gauge-converter__logo {
  height: 60px;
  width: auto;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

.gauge-converter__title-group {
  flex: 1;
  text-align: center;
  min-width: 250px;
}

.gauge-converter__title {
  font-size: var(--font-size-h1);
  font-weight: var(--font-weight-bold);
  color: var(--brand-white);
  line-height: var(--line-height-tight);
  margin-bottom: var(--spacing-xs);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.gauge-converter__subtitle {
  font-size: var(--font-size-large);
  color: rgba(255, 255, 255, 0.9);
  font-weight: var(--font-weight-normal);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

/* Header Buttons Container */
.gauge-converter__header-buttons {
  display: flex;
  gap: var(--spacing-sm);
  align-items: center;
  flex-shrink: 0;
}

/* Embed Button */
.gauge-converter__embed-button {
  background: rgba(255, 255, 255, 0.2);
  border: 2px solid rgba(255, 255, 255, 0.4);
  border-radius: var(--border-radius);
  padding: var(--spacing-xs) var(--spacing-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  cursor: pointer;
  transition: all var(--transition-speed) var(--transition-ease);
  backdrop-filter: blur(10px);
  color: var(--brand-white);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-base);
}

.gauge-converter__embed-button:hover {
  background: rgba(255, 255, 255, 0.3);
  border-color: rgba(255, 255, 255, 0.6);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.gauge-converter__embed-button:active {
  transform: translateY(0);
}

.embed-icon {
  font-size: 20px;
}

.embed-text {
  white-space: nowrap;
}

/* Hide embed text on small screens */
@media (max-width: 480px) {
  .embed-text {
    display: none;
  }
}

/* Dark Mode Toggle Button */
.gauge-converter__dark-mode-toggle {
  background: rgba(255, 255, 255, 0.15);
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-speed) var(--transition-ease);
  flex-shrink: 0;
  backdrop-filter: blur(10px);
}

.gauge-converter__dark-mode-toggle:hover {
  background: rgba(255, 255, 255, 0.25);
  border-color: rgba(255, 255, 255, 0.5);
  transform: scale(1.05);
}

.gauge-converter__dark-mode-toggle:active {
  transform: scale(0.95);
}

.dark-mode-icon {
  font-size: 24px;
  color: var(--brand-white);
}

/* Ko-fi Button */
.gauge-converter__kofi-button {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  background: #FF5E5B;
  color: white;
  border: none;
  border-radius: var(--border-radius);
  padding: var(--spacing-sm) var(--spacing-md);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  font-size: 0.9rem;
  text-decoration: none;
  flex-shrink: 0;
}

.gauge-converter__kofi-button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  background: #FF4E4B;
}

.kofi-icon {
  font-size: 1.1rem;
  line-height: 1;
}

.kofi-text {
  white-space: nowrap;
}

/* Hide kofi text on small screens */
@media (max-width: 480px) {
  .kofi-text {
    display: none;
  }
}

/* ============================================
   MAIN CONTENT
   ============================================ */

.gauge-converter__main {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

/* ============================================
   SECTIONS
   ============================================ */

.gauge-converter__input-section,
.gauge-converter__visual-section,
.gauge-converter__reference-section {
  background-color: var(--color-background-card);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-medium);
  transition: all var(--transition-speed) var(--transition-ease);
}

.gauge-converter__section-title {
  font-size: var(--font-size-h2);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.gauge-converter__instruction {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
}

/* ============================================
   INPUT SECTION
   ============================================ */

.gauge-converter__inputs {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.gauge-converter__input-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.gauge-converter__label {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.gauge-converter__label-hint {
  font-size: var(--font-size-small);
  font-weight: var(--font-weight-normal);
  color: var(--color-text-muted);
  font-style: italic;
}

/* Input & Select Fields */
.gauge-converter__input,
.gauge-converter__select {
  font-family: var(--font-family-base);
  font-size: var(--font-size-input);
  padding: var(--spacing-sm) var(--spacing-md);
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius-small);
  background-color: var(--color-background-elevated);
  color: var(--color-text-primary);
  transition: all var(--transition-speed) var(--transition-ease);
  width: 100%;
  min-height: 48px;
}

.gauge-converter__input:hover,
.gauge-converter__select:hover {
  border-color: var(--color-primary-light);
  box-shadow: 0 0 0 1px var(--color-primary-light);
}

.gauge-converter__input:focus,
.gauge-converter__select:focus {
  outline: none;
  border-color: var(--color-border-focus);
  box-shadow: var(--shadow-focus);
}

.gauge-converter__input::placeholder {
  color: var(--color-text-muted);
}

/* Remove spinner from number inputs */
.gauge-converter__input::-webkit-outer-spin-button,
.gauge-converter__input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.gauge-converter__input[type="number"] {
  -moz-appearance: textfield;
}

.gauge-converter__help-text {
  font-size: var(--font-size-small);
  color: var(--color-text-muted);
  display: block;
}

/* ============================================
   ERROR MESSAGE
   ============================================ */

.gauge-converter__error {
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: var(--color-error-bg);
  border: 1px solid var(--color-error);
  border-radius: var(--border-radius-small);
  color: var(--color-error);
  font-size: var(--font-size-base);
  margin-top: var(--spacing-md);
}

/* ============================================
   VISUAL DISPLAY SECTION
   ============================================ */

.gauge-converter__visual-container {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  align-items: center;
}

.gauge-converter__circle-display {
  width: 100%;
  max-width: 300px;
  aspect-ratio: 1;
}

.gauge-converter__svg {
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
}

.gauge-converter__measurement-display {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  width: 100%;
  max-width: 400px;
}

.gauge-converter__measurement-value {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: var(--color-background-elevated);
  border: 1px solid var(--color-border-light);
  border-radius: var(--border-radius-small);
  font-family: var(--font-family-mono);
}

.gauge-converter__measurement-label {
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  font-size: var(--font-size-base);
}

.gauge-converter__measurement-number {
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  font-size: var(--font-size-large);
}

/* ============================================
   REFERENCE TABLE - TWO COLUMNS
   ============================================ */

.gauge-converter__table-columns {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
}

.gauge-converter__table-wrapper {
  overflow-x: auto;
  border-radius: var(--border-radius-small);
  border: 1px solid var(--color-border);
}

.gauge-converter__table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-base);
}

.gauge-converter__table-caption {
  padding: var(--spacing-sm);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  color: var(--brand-white);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-large);
  text-align: center;
  border-top-left-radius: var(--border-radius-small);
  border-top-right-radius: var(--border-radius-small);
}

.gauge-converter__table thead {
  background-color: var(--color-background-elevated);
  border-bottom: 2px solid var(--color-border);
}

.gauge-converter__table th {
  padding: var(--spacing-sm) var(--spacing-xs);
  text-align: left;
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  font-size: var(--font-size-small);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.gauge-converter__table-row {
  cursor: pointer;
  transition: all var(--transition-speed) var(--transition-ease);
  border-bottom: 1px solid var(--color-border-light);
}

.gauge-converter__table-row:hover {
  background-color: var(--color-background-elevated);
  transform: translateX(2px);
}

.gauge-converter__table-row:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: -2px;
  background-color: var(--color-background-elevated);
}

.gauge-converter__table-row:active {
  background-color: var(--color-primary);
  color: var(--brand-white);
}

.gauge-converter__table-row:active td {
  color: var(--brand-white);
}

.gauge-converter__table td {
  padding: var(--spacing-sm) var(--spacing-xs);
  color: var(--color-text-primary);
  font-size: var(--font-size-base);
}

.gauge-converter__table td:nth-child(2),
.gauge-converter__table td:nth-child(3) {
  font-family: var(--font-family-mono);
  font-weight: var(--font-weight-medium);
  color: var(--color-primary);
}

/* ============================================
   NOTICE
   ============================================ */

.gauge-converter__notice {
  margin-top: var(--spacing-lg);
  padding: var(--spacing-md);
  background-color: var(--color-background-elevated);
  border-left: 4px solid var(--color-accent);
  border-radius: var(--border-radius-small);
}

.gauge-converter__notice-title {
  font-size: var(--font-size-h3);
  font-weight: var(--font-weight-bold);
  color: var(--color-accent);
  margin-bottom: var(--spacing-xs);
}

.gauge-converter__notice-text {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  line-height: var(--line-height-base);
}

/* ============================================
   FOOTER
   ============================================ */

.gauge-converter__footer {
  margin-top: var(--spacing-xl);
  padding: var(--spacing-lg) var(--spacing-md);
  text-align: center;
  border-top: 2px solid var(--color-border);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  border-radius: 0 0 var(--border-radius) var(--border-radius);
}

.gauge-converter__branding {
  margin-bottom: var(--spacing-md);
}

.gauge-converter__brand-text {
  font-size: var(--font-size-large);
  color: var(--brand-white);
  margin-bottom: var(--spacing-xs);
}

.gauge-converter__brand-text strong {
  font-weight: var(--font-weight-bold);
}

.gauge-converter__brand-tagline {
  font-size: var(--font-size-small);
  color: rgba(255, 255, 255, 0.8);
}

.gauge-converter__links {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--spacing-md);
}

.gauge-converter__link {
  color: var(--brand-white);
  text-decoration: none;
  padding: var(--spacing-xs) var(--spacing-md);
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--border-radius-small);
  transition: all var(--transition-speed) var(--transition-ease);
  font-weight: var(--font-weight-medium);
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.1);
}

.gauge-converter__link:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.6);
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

.gauge-converter__support {
  margin: var(--spacing-lg) 0;
  display: flex;
  justify-content: center;
  align-items: center;
}

.gauge-converter__kofi {
  display: inline-block;
  transition: transform var(--transition-speed) var(--transition-ease),
              opacity var(--transition-speed) var(--transition-ease);
  opacity: 0.95;
}

.gauge-converter__kofi:hover {
  transform: translateY(-3px) scale(1.08);
  opacity: 1;
}

.gauge-converter__kofi-img {
  display: block;
  height: 70px;
  width: auto;
  border: 0;
  border-radius: var(--border-radius);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
  transition: all var(--transition-speed) var(--transition-ease);
}

.gauge-converter__kofi:hover .gauge-converter__kofi-img {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.6);
}

/* Make Ko-fi button even bigger on desktop */
@media (min-width: 768px) {
  .gauge-converter__kofi-img {
    height: 80px;
  }
}

/* Email Capture Section */
.gauge-converter__email-section {
  margin: var(--spacing-xl) auto;
  padding: var(--spacing-xl);
  max-width: 600px;
  background: linear-gradient(135deg, rgba(6, 147, 227, 0.15) 0%, rgba(155, 81, 224, 0.15) 100%);
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius);
  text-align: center;
}

.gauge-converter__email-title {
  font-size: var(--font-size-h2);
  font-weight: var(--font-weight-bold);
  color: var(--brand-white);
  margin-bottom: var(--spacing-sm);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.gauge-converter__email-description {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
}

.gauge-converter__email-form {
  margin-bottom: var(--spacing-md);
}

.gauge-converter__email-input-group {
  display: flex;
  gap: var(--spacing-sm);
  max-width: 500px;
  margin: 0 auto;
  flex-wrap: wrap;
}

.gauge-converter__email-input {
  flex: 1;
  min-width: 250px;
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-base);
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius-small);
  background: var(--color-background-elevated);
  color: var(--color-text-primary);
  transition: all var(--transition-speed) var(--transition-ease);
}

.gauge-converter__email-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: var(--shadow-focus);
}

.gauge-converter__email-submit {
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  background: var(--color-primary);
  color: var(--brand-white);
  border: none;
  border-radius: var(--border-radius-small);
  cursor: pointer;
  transition: all var(--transition-speed) var(--transition-ease);
  white-space: nowrap;
}

.gauge-converter__email-submit:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(6, 147, 227, 0.4);
}

.gauge-converter__email-submit:active {
  transform: translateY(0);
}

.gauge-converter__email-success {
  margin-top: var(--spacing-sm);
  padding: var(--spacing-sm);
  background: rgba(46, 213, 115, 0.1);
  border: 1px solid var(--color-success);
  border-radius: var(--border-radius-small);
  color: var(--color-success);
  font-weight: var(--font-weight-medium);
  animation: fadeIn 0.3s ease;
}

.gauge-converter__email-error {
  margin-top: var(--spacing-sm);
  padding: var(--spacing-sm);
  background: var(--color-error-bg);
  border: 1px solid var(--color-error);
  border-radius: var(--border-radius-small);
  color: var(--color-error);
  font-weight: var(--font-weight-medium);
  animation: fadeIn 0.3s ease;
}

.gauge-converter__email-trust {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  font-size: var(--font-size-small);
  color: var(--color-text-secondary);
}

.gauge-converter__email-trust span {
  white-space: nowrap;
}

/* Email in Modal */
.gauge-converter__modal-email {
  margin: var(--spacing-xl) 0;
  padding: var(--spacing-lg);
  background: linear-gradient(135deg, rgba(6, 147, 227, 0.1) 0%, rgba(155, 81, 224, 0.1) 100%);
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius);
  text-align: center;
}

.gauge-converter__modal-email .gauge-converter__modal-section-title {
  color: var(--brand-white);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

/* Light mode adjustments for email sections */
body.light-mode .gauge-converter__email-title,
body.light-mode .gauge-converter__modal-email .gauge-converter__modal-section-title {
  color: var(--color-text-primary);
  text-shadow: none;
}

body.light-mode .gauge-converter__email-section,
body.light-mode .gauge-converter__modal-email {
  background: linear-gradient(135deg, rgba(6, 147, 227, 0.08) 0%, rgba(155, 81, 224, 0.08) 100%);
}

/* Mobile responsive email forms */
@media (max-width: 600px) {
  .gauge-converter__email-input-group {
    flex-direction: column;
  }

  .gauge-converter__email-input {
    min-width: 100%;
  }

  .gauge-converter__email-submit {
    width: 100%;
  }

  .gauge-converter__email-trust {
    flex-direction: column;
    gap: var(--spacing-xs);
  }
}

.gauge-converter__copyright {
  font-size: var(--font-size-small);
  color: rgba(255, 255, 255, 0.7);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

/* Tablet: 768px+ */
@media (min-width: 768px) {
  .gauge-converter__inputs {
    grid-template-columns: repeat(3, 1fr);
  }

  .gauge-converter__table-columns {
    grid-template-columns: repeat(2, 1fr);
  }

  .gauge-converter__visual-container {
    flex-direction: row;
    justify-content: space-around;
  }

  .gauge-converter__logo {
    height: 80px;
  }

  .gauge-converter__title {
    font-size: 36px;
  }
}

/* Desktop: 1024px+ */
@media (min-width: 1024px) {
  .gauge-converter {
    padding: var(--spacing-lg);
  }

  .gauge-converter__header {
    padding: var(--spacing-xl);
  }

  .gauge-converter__logo {
    height: 100px;
  }

  .gauge-converter__title {
    font-size: 42px;
  }
}

/* ============================================
   ACCESSIBILITY
   ============================================ */

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
  :root {
    --color-border: #666666;
    --shadow-focus: 0 0 0 4px var(--color-primary);
  }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Print Styles */
@media print {
  body {
    background: white;
    color: black;
  }

  .gauge-converter__dark-mode-toggle,
  .gauge-converter__embed-button,
  .gauge-converter__footer {
    display: none;
  }

  .gauge-converter__table {
    border: 1px solid black;
  }

  .gauge-converter__table-row:hover {
    background: transparent;
  }
}

/* ============================================
   EMBED MODAL
   ============================================ */

.gauge-converter__modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 9999;
}

.gauge-converter__modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
}

.gauge-converter__modal-content {
  position: relative;
  max-width: 700px;
  max-height: 90vh;
  margin: 5vh auto;
  background: var(--color-background-elevated);
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--spacing-xl);
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.8);
  animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.gauge-converter__modal-close {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  background: transparent;
  border: none;
  font-size: 36px;
  color: var(--color-text-secondary);
  cursor: pointer;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all var(--transition-speed) var(--transition-ease);
}

.gauge-converter__modal-close:hover {
  background: var(--color-background-card);
  color: var(--color-primary);
  transform: rotate(90deg);
}

.gauge-converter__modal-title {
  font-size: 28px;
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
  line-height: var(--line-height-tight);
}

.gauge-converter__modal-subtitle {
  font-size: var(--font-size-large);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xl);
}

.gauge-converter__modal-section {
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-xl);
  border-bottom: 1px solid var(--color-border-light);
}

.gauge-converter__modal-section:last-child {
  border-bottom: none;
}

.gauge-converter__modal-section-title {
  font-size: var(--font-size-h3);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-sm);
}

.gauge-converter__modal-description {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
}

.gauge-converter__code-container {
  background: var(--color-background-card);
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
  position: relative;
}

.gauge-converter__embed-code {
  display: block;
  font-family: var(--font-family-mono);
  font-size: 14px;
  color: var(--color-primary);
  background: transparent;
  padding: var(--spacing-sm);
  border: none;
  word-wrap: break-word;
  white-space: pre-wrap;
  overflow-wrap: break-word;
  line-height: 1.6;
}

.gauge-converter__copy-button {
  margin-top: var(--spacing-md);
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-primary);
  color: var(--brand-white);
  border: none;
  border-radius: var(--border-radius-small);
  font-size: var(--font-size-large);
  font-weight: var(--font-weight-bold);
  cursor: pointer;
  transition: all var(--transition-speed) var(--transition-ease);
}

.gauge-converter__copy-button:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(6, 147, 227, 0.4);
}

.gauge-converter__copy-button:active {
  transform: translateY(0);
}

.gauge-converter__success-message {
  margin-top: var(--spacing-sm);
  padding: var(--spacing-sm);
  background: rgba(46, 213, 115, 0.1);
  border: 1px solid var(--color-success);
  border-radius: var(--border-radius-small);
  color: var(--color-success);
  font-weight: var(--font-weight-medium);
  text-align: center;
  animation: fadeIn 0.3s ease;
}

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

.gauge-converter__download-buttons {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.gauge-converter__download-button {
  flex: 1;
  min-width: 200px;
  padding: var(--spacing-md);
  background: var(--color-accent);
  color: var(--brand-white);
  text-decoration: none;
  text-align: center;
  border-radius: var(--border-radius);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-base);
  transition: all var(--transition-speed) var(--transition-ease);
  border: 2px solid transparent;
}

.gauge-converter__download-button:hover {
  background: var(--color-accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(155, 81, 224, 0.4);
}

.gauge-converter__download-button--secondary {
  background: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.gauge-converter__download-button--secondary:hover {
  background: var(--color-primary-dark);
  box-shadow: 0 4px 12px rgba(6, 147, 227, 0.4);
}

/* Ko-fi in Modal */
.gauge-converter__modal-support {
  margin: var(--spacing-xl) 0;
  padding: var(--spacing-lg);
  background: linear-gradient(135deg, rgba(6, 147, 227, 0.1) 0%, rgba(155, 81, 224, 0.1) 100%);
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius);
  text-align: center;
}

.gauge-converter__modal-support-text {
  font-size: var(--font-size-large);
  color: var(--color-text-primary);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--spacing-md);
}

.gauge-converter__modal-kofi {
  display: inline-block;
  transition: transform var(--transition-speed) var(--transition-ease);
}

.gauge-converter__modal-kofi:hover {
  transform: translateY(-3px) scale(1.05);
}

.gauge-converter__modal-kofi-img {
  height: 50px;
  width: auto;
  border-radius: var(--border-radius-small);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  transition: box-shadow var(--transition-speed) var(--transition-ease);
}

.gauge-converter__modal-kofi:hover .gauge-converter__modal-kofi-img {
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.5);
}

.gauge-converter__modal-features ul {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-sm);
}

.gauge-converter__modal-features li {
  color: var(--color-text-primary);
  padding: var(--spacing-xs);
  font-size: var(--font-size-base);
}

/* Mobile responsive modal */
@media (max-width: 768px) {
  .gauge-converter__modal-content {
    margin: 2vh;
    padding: var(--spacing-lg);
    max-height: 96vh;
  }

  .gauge-converter__modal-title {
    font-size: 24px;
  }

  .gauge-converter__download-buttons {
    flex-direction: column;
  }

  .gauge-converter__download-button {
    width: 100%;
  }

  .gauge-converter__modal-features ul {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   MORE TOOLS NAVIGATION SECTION
   ============================================ */

.gauge-converter__more-tools {
  padding: 48px 0;
  background-color: var(--color-background-elevated);
  border-top: 1px solid var(--color-border);
  margin-top: 0;
}

.gauge-converter__section-title-large {
  font-size: 32px;
  font-weight: 700;
  text-align: center;
  color: var(--color-text-primary);
  margin-bottom: 12px;
  line-height: 1.2;
}

.gauge-converter__section-subtitle-large {
  font-size: 16px;
  text-align: center;
  color: var(--color-text-secondary);
  margin-bottom: 32px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.gauge-converter__tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
  margin-bottom: 32px;
}

.gauge-converter__tool-card {
  background: var(--color-background-card);
  border: 2px solid var(--color-border);
  border-radius: 12px;
  padding: 24px;
  text-decoration: none;
  color: var(--color-text-primary);
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  cursor: pointer;
}

.gauge-converter__tool-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  border-color: var(--color-primary);
}

.gauge-converter__tool-card--active {
  border-color: var(--color-primary);
  background: linear-gradient(135deg, rgba(6, 147, 227, 0.1) 0%, rgba(155, 81, 224, 0.1) 100%);
  cursor: default;
}

.gauge-converter__tool-card--active:hover {
  transform: none;
}

.gauge-converter__tool-card--coming-soon {
  opacity: 0.7;
  cursor: default;
  border-style: dashed;
}

.gauge-converter__tool-card--coming-soon:hover {
  transform: none;
  border-color: var(--color-border);
}

.gauge-converter__tool-icon {
  font-size: 48px;
  margin-bottom: 12px;
  display: block;
  line-height: 1;
}

.gauge-converter__tool-card-title {
  margin: 8px 0;
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text-primary);
}

.gauge-converter__tool-card-description {
  margin: 0;
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.gauge-converter__current-badge {
  display: inline-block;
  background: var(--color-primary);
  color: white;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 12px;
  margin-top: 12px;
}

.gauge-converter__coming-soon-badge {
  display: inline-block;
  background: var(--color-accent);
  color: white;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 12px;
  margin-top: 12px;
}

.gauge-converter__more-tools-cta {
  text-align: center;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
}

.gauge-converter__cta-text {
  font-size: 16px;
  color: var(--color-text-secondary);
  margin: 0;
}

.gauge-converter__cta-link {
  color: var(--color-primary);
  font-weight: 600;
  text-decoration: none;
  transition: color 0.3s ease;
}

.gauge-converter__cta-link:hover {
  text-decoration: underline;
  color: var(--color-primary-light);
}

/* Responsive More Tools */
@media (max-width: 768px) {
  .gauge-converter__tools-grid {
    grid-template-columns: 1fr;
  }

  .gauge-converter__section-title-large {
    font-size: 24px;
  }

  .gauge-converter__more-tools {
    padding: 32px 0;
  }
}
/* =====================================================
   EMBED MODE STYLES (REQUIRED FOR ALL TOOLS)
   ===================================================== */

body.embed-mode {
  margin: 0;
  padding: 0;
  background: var(--bg-secondary);
}

/* Embed Header */
.embed-header {
  background: var(--bg-primary);
  border-bottom: 2px solid var(--border-primary);
  padding: var(--spacing-sm) var(--spacing-md);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.embed-header-content {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
}

.embed-logo {
  height: 32px;
  width: auto;
}

.embed-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  flex: 1;
}

.embed-header-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

/* Tool-specific action buttons in header (e.g., Save, Download) */
.embed-action-btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  background: var(--artist-purple);
  color: white;
  border: none;
  border-radius: var(--border-radius);
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.embed-action-btn:hover {
  background: #6D28D9;
  transform: translateY(-1px);
}

.embed-dark-toggle {
  background: var(--bg-secondary);
  border: 2px solid var(--border-primary);
  border-radius: var(--border-radius);
  padding: var(--spacing-xs);
  cursor: pointer;
  font-size: 18px;
  transition: var(--transition);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.embed-dark-toggle:hover {
  border-color: var(--artist-purple);
  transform: scale(1.05);
}

/* Embed Main Content */
.embed-main {
  padding: var(--spacing-md);
  max-width: 1200px;
  margin: 0 auto;
}

/* Embed Footer */
.embed-footer {
  background: var(--bg-primary);
  border-top: 2px solid var(--border-primary);
  padding: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.embed-footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.embed-footer-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
  border: 2px solid transparent;
}

.embed-footer-btn--tools {
  background: var(--artist-purple);
  color: white;
}

.embed-footer-btn--tools:hover {
  background: #6D28D9;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.embed-footer-btn--support {
  background: #FF5E5B;
  color: white;
}

.embed-footer-btn--support:hover {
  background: #E54845;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.embed-footer-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition);
}

.embed-footer-link:hover {
  color: var(--artist-purple);
  text-decoration: underline;
}

/* Mobile Responsive for Embed */
@media (max-width: 768px) {
  .embed-header-content {
    flex-wrap: wrap;
  }

  .embed-logo {
    height: 28px;
  }

  .embed-title {
    font-size: 1rem;
  }

  .embed-header-actions {
    flex-wrap: wrap;
  }

  .embed-footer-content {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .embed-footer-btn {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .embed-title {
    font-size: 0.9rem;
    width: 100%;
    order: -1;
  }

  .btn-text {
    font-size: 0.85rem;
  }
}


/* Lock tool header colors in dark mode */
[data-theme="dark"] .header,
[data-theme="dark"] [class*="__header"] {
    background: var(--bg-secondary) !important;
    color: var(--text-primary) !important;
}


/* ===================================
   Feedback Card (Standardized)
   =================================== */
.feedback-card {
  background: var(--bg-primary);
  border-radius: var(--border-radius-lg, 12px);
  padding: var(--spacing-xl, 2.5rem);
  box-shadow: var(--shadow-lg, 0 4px 20px rgba(0, 0, 0, 0.1));
  max-width: 900px;
  margin: 0 auto;
  border: 3px solid #9b51e0;
}

/* Dark mode - subtle border */
[data-theme="dark"] .feedback-card {
  border: 2px solid var(--border-primary);
}

.feedback-header {
  text-align: center;
  margin-bottom: var(--spacing-xl, 2.5rem);
}

.feedback-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md, 1.5rem);
  line-height: 1.2;
}

.feedback-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--spacing-md, 1.5rem);
}

.feedback-callout {
  background: var(--bg-secondary);
  padding: var(--spacing-md, 1.5rem);
  border-radius: var(--border-radius, 8px);
  border-left: 4px solid var(--artist-purple, #9b51e0);
  font-size: 1rem;
  color: var(--text-primary);
  margin-top: var(--spacing-md, 1.5rem);
}

.feedback-callout strong {
  color: var(--artist-purple, #9b51e0);
}

/* Form Styles */
.feedback-form {
  margin-top: var(--spacing-lg, 2rem);
}

.feedback-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg, 2rem);
  margin-bottom: var(--spacing-lg, 2rem);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs, 0.5rem);
}

.form-label {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-primary);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--spacing-sm, 1rem) var(--spacing-md, 1.5rem);
  border: 2px solid var(--border-primary);
  border-radius: var(--border-radius, 8px);
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 1rem;
  font-family: inherit;
  transition: var(--transition, all 0.3s);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--artist-purple, #9b51e0);
  box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.1);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
  line-height: 1.5;
}

/* Responsive */
@media (max-width: 768px) {
  .feedback-card {
    padding: var(--spacing-lg, 2rem);
  }

  .feedback-title {
    font-size: 1.5rem;
  }

  .feedback-subtitle {
    font-size: 1rem;
  }

  .feedback-form-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md, 1.5rem);
  }
}