/* ==========================================================================
   PREMIUM MICRO-UTILITIES SYSTEM - COMPONENT STYLES
   ========================================================================== */

/* ==========================================================================
   1. GLASSMORPHIC CARDS
   ========================================================================== */

.card {
  background: var(--bg-card);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--border-card);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  padding: 2rem;
  transition: transform var(--transition-normal),
              border-color var(--transition-normal),
              box-shadow var(--transition-normal),
              background-color var(--transition-normal);
  position: relative;
  overflow: hidden;
}

/* Hover state for interactive cards */
.card-interactive {
  cursor: pointer;
}

.card-interactive:hover,
.card:hover {
  transform: translateY(-4px);
  border-color: var(--border-card-hover);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  background-color: var(--bg-card-hover);
}

/* Gradient Top Highlight Card variant */
.card-highlight::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
}

/* Deep Glass variant (transparent layout) */
.card-glass {
  background: linear-gradient(135deg, hsla(0, 0%, 100%, 0.05) 0%, hsla(0, 0%, 100%, 0.01) 100%);
  border: 1px solid hsla(0, 0%, 100%, 0.1);
  box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.06);
}

[data-theme="dark"] .card-glass {
  background: linear-gradient(135deg, hsla(222, 47%, 7%, 0.3) 0%, hsla(222, 47%, 4%, 0.1) 100%);
  border: 1px solid hsla(217, 32%, 17%, 0.4);
}

/* Flat Accent card (alternative style) */
.card-flat {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  box-shadow: var(--shadow-sm);
}

.card-flat:hover {
  transform: none;
  box-shadow: var(--shadow-md);
}

/* Card internal layout elements */
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1.25rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-card);
}

.card-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.card-footer {
  padding-top: 1.25rem;
  margin-top: 1.5rem;
  border-top: 1px solid var(--border-card);
  display: flex;
  justify-content: flex-end;
  gap: 1rem;
}

/* ==========================================================================
   2. FORM CONTROLS (INPUTS, SELECTS, SLIDERS)
   ========================================================================== */

.form-group {
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-label {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.form-control {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.5;
  color: var(--text-primary);
  background-color: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: var(--border-radius-md);
  padding: 0.75rem 1rem;
  outline: none;
  transition: border-color var(--transition-fast),
              box-shadow var(--transition-fast),
              background-color var(--transition-fast);
  width: 100%;
}

.form-control:hover {
  border-color: hsla(var(--primary-hue), var(--primary-saturation), var(--primary-lightness), 0.5);
}

/* Glowing Focus State */
.form-control:focus {
  border-color: var(--input-border-focus);
  background-color: var(--bg-card-hover);
  box-shadow: 0 0 0 4px var(--input-focus-shadow), var(--shadow-sm);
}

.form-control::placeholder {
  color: var(--text-muted);
}

.form-control:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  background-color: var(--border-card);
}

/* --- Styled Select Menus --- */
.form-select-wrapper {
  position: relative;
  width: 100%;
}

.form-select {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--text-primary);
  background-color: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: var(--border-radius-md);
  padding: 0.75rem 2.5rem 0.75rem 1rem;
  outline: none;
  width: 100%;
  cursor: pointer;
  transition: border-color var(--transition-fast),
              box-shadow var(--transition-fast),
              background-color var(--transition-fast);
}

.form-select:hover {
  border-color: hsla(var(--primary-hue), var(--primary-saturation), var(--primary-lightness), 0.5);
}

.form-select:focus {
  border-color: var(--input-border-focus);
  background-color: var(--bg-card-hover);
  box-shadow: 0 0 0 4px var(--input-focus-shadow);
}

/* SVG dropdown indicator arrow */
.form-select-wrapper::after {
  content: "";
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  width: 1rem;
  height: 1rem;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  pointer-events: none;
  opacity: 0.6;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.form-select-wrapper:hover::after {
  opacity: 0.9;
}

[data-theme="dark"] .form-select-wrapper::after {
  filter: invert(1);
}

/* --- Premium Custom Range Sliders --- */
.range-slider-container {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

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

.range-slider-value {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--primary);
  background: var(--primary-glow);
  padding: 0.2rem 0.6rem;
  border-radius: var(--border-radius-sm);
  min-width: 3.5rem;
  text-align: center;
}

.form-range {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 99px;
  background: var(--border-card);
  outline: none;
  transition: background var(--transition-fast);
  cursor: pointer;
}

/* Webkit (Chrome, Safari, Edge) Slider Thumb */
.form-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  box-shadow: 0 0 0 3px var(--bg-app), 0 2px 6px rgba(0, 0, 0, 0.2);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.form-range::-webkit-slider-thumb:hover {
  transform: scale(1.2);
  box-shadow: 0 0 0 4px var(--bg-app), 0 4px 12px hsla(var(--primary-hue), var(--primary-saturation), var(--primary-lightness), 0.4);
}

.form-range:focus::-webkit-slider-thumb {
  box-shadow: 0 0 0 4px var(--bg-app), 0 0 0 6px var(--input-focus-shadow);
}

/* Firefox Slider Thumb */
.form-range::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border: none;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  box-shadow: 0 0 0 3px var(--bg-app), 0 2px 6px rgba(0, 0, 0, 0.2);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.form-range::-moz-range-thumb:hover {
  transform: scale(1.2);
  box-shadow: 0 0 0 4px var(--bg-app), 0 4px 12px hsla(var(--primary-hue), var(--primary-saturation), var(--primary-lightness), 0.4);
}

.form-range:focus::-moz-range-thumb {
  box-shadow: 0 0 0 4px var(--bg-app), 0 0 0 6px var(--input-focus-shadow);
}

/* Help / Hint text */
.form-helper {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

/* Input error state styling */
.form-control.is-invalid {
  border-color: hsl(0, 84%, 60%);
  box-shadow: 0 0 0 4px hsla(0, 84%, 60%, 0.1);
}

.form-helper.is-invalid {
  color: hsl(0, 84%, 60%);
}

/* ==========================================================================
   3. BUTTONS (PRIMARY, SECONDARY, ICON)
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  outline: none;
  transition: transform var(--transition-fast),
              background var(--transition-normal),
              box-shadow var(--transition-normal),
              border-color var(--transition-normal),
              color var(--transition-normal);
  user-select: none;
}

/* Primary Button - Glowing Gradient */
.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, hsl(var(--primary-hue), var(--primary-saturation), 45%) 100%);
  color: var(--text-on-primary);
  box-shadow: 0 4px 14px -2px hsla(var(--primary-hue), var(--primary-saturation), var(--primary-lightness), 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  background: linear-gradient(135deg, hsl(var(--primary-hue), var(--primary-saturation), 62%) 0%, var(--primary) 100%);
  box-shadow: 0 8px 20px -2px hsla(var(--primary-hue), var(--primary-saturation), var(--primary-lightness), 0.45),
              var(--shadow-glow);
}

.btn-primary:active {
  transform: translateY(0);
}

/* Secondary Button - Glassmorphic */
.btn-secondary {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  color: var(--text-primary);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  transform: translateY(-2px);
  background: var(--bg-card-hover);
  border-color: var(--border-card-hover);
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:active {
  transform: translateY(0);
}

/* Accent Button - Magenta glow */
.btn-accent {
  background: linear-gradient(135deg, var(--accent) 0%, hsl(var(--accent-hue), var(--accent-saturation), 48%) 100%);
  color: #fff;
  box-shadow: 0 4px 14px -2px hsla(var(--accent-hue), var(--accent-saturation), var(--accent-lightness), 0.3);
}

.btn-accent:hover {
  transform: translateY(-2px);
  background: linear-gradient(135deg, hsl(var(--accent-hue), var(--accent-saturation), 65%) 0%, var(--accent) 100%);
  box-shadow: 0 8px 20px -2px hsla(var(--accent-hue), var(--accent-saturation), var(--accent-lightness), 0.4);
}

.btn-accent:active {
  transform: translateY(0);
}

/* Icon / Round Button style */
.btn-icon {
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  border-radius: 50%;
  flex-shrink: 0;
}

/* Button Sizing */
.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  border-radius: var(--border-radius-sm);
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.1rem;
  border-radius: var(--border-radius-lg);
}

/* Disabled State */
.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

/* ==========================================================================
   4. THEME TOGGLE SWITCH DESIGNS
   ========================================================================== */

/* Option A: The sliding toggle capsule (checkbox based) */
.theme-toggle-switch {
  display: inline-flex;
  align-items: center;
  position: relative;
}

.theme-toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
  position: absolute;
}

.theme-toggle-slider {
  width: 56px;
  height: 28px;
  background-color: var(--border-card);
  border: 1px solid var(--border-card);
  border-radius: 99px;
  cursor: pointer;
  position: relative;
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 6px;
}

.theme-toggle-slider::before {
  content: "";
  position: absolute;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  left: 3px;
  top: 3px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  transition: transform var(--transition-normal) cubic-bezier(0.175, 0.885, 0.32, 1.275);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  z-index: 2;
}

.theme-toggle-switch input:checked + .theme-toggle-slider::before {
  transform: translateX(28px);
}

/* Sun/Moon decorative SVG icons inside the slider */
.theme-toggle-slider .icon-sun,
.theme-toggle-slider .icon-moon {
  width: 12px;
  height: 12px;
  fill: var(--text-muted);
  z-index: 1;
  pointer-events: none;
  transition: fill var(--transition-fast);
}

.theme-toggle-slider .icon-sun {
  margin-left: 2px;
}

.theme-toggle-slider .icon-moon {
  margin-right: 2px;
}

[data-theme="dark"] .theme-toggle-slider .icon-moon {
  fill: var(--text-primary);
}

[data-theme="light"] .theme-toggle-slider .icon-sun {
  fill: var(--text-primary);
}

/* Option B: Clickable Icon Button Toggle */
.theme-toggle-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--border-radius-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-normal), border-color var(--transition-normal);
  color: var(--text-primary);
}

.theme-toggle-btn:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-card-hover);
}

.theme-toggle-btn svg {
  width: 1.25rem;
  height: 1.25rem;
  transition: transform var(--transition-normal);
}

.theme-toggle-btn:hover svg {
  transform: rotate(20deg);
}

/* Hide sun in dark theme / hide moon in light theme */
.theme-toggle-btn .sun-icon {
  display: block;
}

.theme-toggle-btn .moon-icon {
  display: none;
}

[data-theme="dark"] .theme-toggle-btn .sun-icon {
  display: none;
}

[data-theme="dark"] .theme-toggle-btn .moon-icon {
  display: block;
}

/* ==========================================================================
   5. PREMIUM AD CONTAINERS AND FRAMES
   ========================================================================== */

/* Premium Ad Wrapper container to make AdSense look styled and cohesive */
.ad-wrapper {
  background: var(--bg-card);
  border: 1px dashed var(--border-card);
  border-radius: var(--border-radius-md);
  padding: 0.75rem;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: border-color var(--transition-normal);
  max-width: 100%;
}

.ad-wrapper:hover {
  border-color: var(--border-card-hover);
}

/* Styled "SPONSORED" label */
.ad-badge {
  font-family: var(--font-body);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
  user-select: none;
}

.ad-content {
  background: rgba(var(--bg-app-rgb), 0.5);
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  max-width: 100%;
}

/* Specific Grid layout options for ads */
.ad-grid-header {
  grid-column: 1 / -1;
  width: 100%;
}

.ad-grid-header .ad-content {
  width: 728px;
  height: 90px;
  max-width: 100%;
}

/* Handles responsive scaling down of large leaderboard ads on mobile */
@media (max-width: 768px) {
  .ad-grid-header .ad-content {
    width: 320px;
    height: 100px;
  }
}

.ad-grid-sidebar {
  width: 100%;
}

.ad-grid-sidebar .ad-content {
  width: 300px;
  height: 250px;
}

.ad-grid-sidebar-skyscraper .ad-content {
  width: 300px;
  height: 600px;
}

.ad-grid-post-result {
  width: 100%;
}

.ad-grid-post-result .ad-content {
  width: 100%;
  min-height: 120px;
}

/* Responsive Native Inline Ad */
.native-inline-ad {
  width: 100%;
  min-height: 90px;
  grid-column: 1 / -1;
  order: 3; /* Default: displays below the input/result columns on desktop */
}

/* Responsive grid ordering: stack Ad in the middle on mobile/tablet */
@media (max-width: 991px) {
  .layout-grid > *:nth-child(1) {
    order: 1; /* Inputs */
  }
  .layout-grid > .native-inline-ad {
    order: 2; /* Ad */
  }
  .layout-grid > *:nth-child(3) {
    order: 3; /* Results */
  }
}

@media (min-width: 992px) {
  .layout-grid > *:nth-child(1) {
    order: 1; /* Inputs */
  }
  .layout-grid > *:nth-child(3) {
    order: 2; /* Results */
  }
  .layout-grid > .native-inline-ad {
    order: 3; /* Ad spans full width below */
  }
}

/* ==========================================================================
   6. EXTRA HELPER COMPONENTS (TABS, TABLES, BADGES)
   ========================================================================== */

/* --- Styled Premium Tabs --- */
.tabs-navigation {
  display: flex;
  background: var(--border-card);
  padding: 0.25rem;
  border-radius: var(--border-radius-lg);
  margin-bottom: 2rem;
  gap: 0.25rem;
  overflow-x: auto;
}

.tab-btn {
  flex-grow: 1;
  background: transparent;
  border: none;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 0.75rem 1.25rem;
  border-radius: var(--border-radius-md);
  cursor: pointer;
  transition: color var(--transition-fast), background var(--transition-normal);
  white-space: nowrap;
  text-align: center;
}

.tab-btn:hover {
  color: var(--text-primary);
}

.tab-btn.active {
  background: var(--bg-card);
  color: var(--primary);
  box-shadow: var(--shadow-sm);
}

.tab-pane {
  display: none;
}

.tab-pane.active {
  display: block;
  animation: fadeIn var(--transition-normal) forwards;
}

/* --- Premium Statistics/History Tables --- */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--border-radius-md);
  border: 1px solid var(--border-card);
  box-shadow: var(--shadow-sm);
  margin: 1.5rem 0;
}

.table-premium {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-family: var(--font-body);
  font-size: 0.95rem;
}

.table-premium th {
  background-color: var(--border-card);
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--text-primary);
  padding: 1rem;
}

.table-premium td {
  padding: 1rem;
  border-bottom: 1px solid var(--border-card);
  color: var(--text-secondary);
  background-color: var(--bg-card);
  transition: background-color var(--transition-fast);
}

.table-premium tr:last-child td {
  border-bottom: none;
}

.table-premium tr:hover td {
  background-color: var(--bg-card-hover);
}

/* --- Styled Badges --- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.6rem;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: 99px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.badge-primary {
  background-color: var(--primary-glow);
  color: var(--primary);
}

.badge-secondary {
  background-color: var(--secondary-glow);
  color: var(--secondary);
}

.badge-success {
  background-color: hsla(142, 70%, 45%, 0.15);
  color: hsl(142, 76%, 36%);
}

[data-theme="dark"] .badge-success {
  color: hsl(142, 70%, 45%);
}

.badge-danger {
  background-color: hsla(0, 84%, 60%, 0.15);
  color: hsl(0, 84%, 60%);
}