/*
 * 8:28 Solutions - Modern Calculator Design
 * Creative, engaging ROI calculator with visual appeal
 */

/* ===================================
   CALCULATOR CONTAINER - MODERN CARD
   =================================== */
.calculator {
  background: var(--color-bg-primary);
  border-radius: var(--border-radius-xl);
  padding: 0;
  box-shadow: var(--shadow-2xl);
  max-width: 1000px;
  margin: 0 auto;
  border: 1px solid var(--color-border);
  overflow: hidden;
  position: relative;
}

.calculator::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
}

.calculator__header {
  text-align: center;
  padding: var(--space-10) var(--space-8) var(--space-6);
  background: var(--gradient-card);
  position: relative;
}

.calculator__header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background: var(--gradient-primary);
  border-radius: var(--border-radius-full);
}

.calculator__title {
  font-size: var(--font-size-3xl);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-3);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.calculator__subtitle {
  color: var(--color-text-secondary);
  font-size: var(--font-size-lg);
  font-weight: 500;
}

/* ===================================
   CALCULATOR SECTIONS - CARD BASED
   =================================== */
.calculator__body {
  padding: var(--space-8);
}

.calculator__section {
  background: var(--gradient-card);
  border-radius: var(--border-radius-lg);
  padding: var(--space-8);
  margin-bottom: var(--space-6);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.calculator__section:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}

.calculator__section:last-of-type {
  margin-bottom: 0;
}

.calculator__section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.calculator__section:hover::before {
  opacity: 1;
}

.calculator__section-title {
  font-size: var(--font-size-2xl);
  color: var(--color-text-primary);
  margin-bottom: var(--space-6);
  display: flex;
  align-items: center;
  gap: var(--space-4);
  font-weight: 700;
}

.calculator__section-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--gradient-primary);
  color: white;
  border-radius: var(--border-radius-lg);
  font-size: var(--font-size-xl);
  font-weight: 800;
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  flex-shrink: 0;
}

/* ===================================
   CALCULATOR INPUTS - ENHANCED STYLING
   =================================== */
.calculator__input-group {
  margin-bottom: var(--space-6);
  position: relative;
}

.calculator__input-group:last-child {
  margin-bottom: 0;
}

.calculator__label {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
}

.calculator__label-icon {
  width: 24px;
  height: 24px;
  color: var(--color-primary);
  flex-shrink: 0;
}

.calculator__input-wrapper {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  background: var(--color-bg-primary);
  padding: var(--space-4);
  border-radius: var(--border-radius-lg);
  border: 2px solid var(--color-border);
  transition: all var(--transition-base);
}

.calculator__input-wrapper:hover {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px var(--color-primary-glow);
}

.calculator__input-wrapper:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px var(--color-primary-glow);
}

.calculator__input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
}

select.calculator__input {
  background: var(--color-bg-primary);
  padding: var(--space-3);
  border-radius: var(--border-radius);
  border: none;
  cursor: pointer;
}

.calculator__value {
  min-width: 100px;
  text-align: right;
  font-size: var(--font-size-2xl);
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-variant-numeric: tabular-nums;
}

.calculator__value--currency::before {
  content: '$';
}

.calculator__value--hours::after {
  content: ' hrs';
  font-weight: var(--font-weight-normal);
  font-size: var(--font-size-base);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===================================
   RANGE SLIDER - MODERN CUSTOM STYLING
   =================================== */
.calculator__slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 12px;
  border-radius: var(--border-radius-full);
  background: var(--color-bg-secondary);
  outline: none;
  padding: 0;
  margin: 0;
  cursor: pointer;
  position: relative;
}

.calculator__slider::before {
  content: '';
  position: absolute;
  height: 100%;
  border-radius: var(--border-radius-full);
  background: var(--gradient-primary);
  width: var(--slider-width, 0%);
  transition: width 0.2s ease;
}

/* Webkit (Chrome, Safari, Edge) */
.calculator__slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: white;
  cursor: pointer;
  border: 4px solid var(--color-primary);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  position: relative;
  z-index: 2;
}

.calculator__slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
  box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.calculator__slider:active::-webkit-slider-thumb {
  transform: scale(1.1);
}

/* Firefox */
.calculator__slider::-moz-range-thumb {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: white;
  cursor: pointer;
  border: 4px solid var(--color-primary);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.calculator__slider::-moz-range-thumb:hover {
  transform: scale(1.2);
  box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.calculator__slider:active::-moz-range-thumb {
  transform: scale(1.1);
}

.calculator__slider::-moz-range-track {
  height: 12px;
  border-radius: var(--border-radius-full);
  background: var(--color-bg-secondary);
}

/* ===================================
   RESULTS DISPLAY - DRAMATIC & ENGAGING
   =================================== */
.calculator__results {
  background: var(--gradient-hero);
  color: white;
  padding: var(--space-10);
  border-radius: var(--border-radius-xl);
  margin-top: var(--space-8);
  display: none;
  position: relative;
  overflow: hidden;
}

.calculator__results::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--color-primary-glow) 0%, transparent 70%);
  animation: float 6s ease-in-out infinite;
}

.calculator__results.visible {
  display: block;
  animation: scaleIn 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.calculator__results-title {
  font-size: var(--font-size-3xl);
  color: white;
  text-align: center;
  margin-bottom: var(--space-8);
  font-weight: 800;
  position: relative;
  z-index: 1;
}

.calculator__results-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  margin-bottom: var(--space-10);
  position: relative;
  z-index: 1;
}

@media (min-width: 48rem) {
  .calculator__results-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.calculator__result-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px);
  padding: var(--space-8);
  border-radius: var(--border-radius-lg);
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.calculator__result-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-accent);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.calculator__result-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  background: rgba(255, 255, 255, 0.15);
}

.calculator__result-card:hover::before {
  opacity: 1;
}

.calculator__result-label {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.9);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--space-3);
  font-weight: var(--font-weight-semibold);
}

.calculator__result-value {
  font-size: var(--font-size-5xl);
  font-weight: 800;
  color: white;
  line-height: 1;
  margin-bottom: var(--space-2);
  font-variant-numeric: tabular-nums;
}

.calculator__result-value--highlight {
  font-size: var(--font-size-5xl);
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 20px var(--color-accent-glow));
}

.calculator__result-unit {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-normal);
  color: rgba(255, 255, 255, 0.8);
  margin-left: var(--space-2);
  display: inline-block;
}

/* ===================================
   LEAD CAPTURE FORM - GLASSMORPHISM
   =================================== */
.calculator__lead-capture {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  padding: var(--space-8);
  border-radius: var(--border-radius-xl);
  margin-top: var(--space-8);
  border: 1px solid rgba(255, 255, 255, 0.3);
  box-shadow: var(--shadow-xl);
  position: relative;
  z-index: 1;
}

[data-theme="dark"] .calculator__lead-capture {
  background: rgba(15, 23, 42, 0.95);
  border-color: rgba(255, 255, 255, 0.1);
}

.calculator__lead-title {
  font-size: var(--font-size-2xl);
  color: var(--color-text-primary);
  text-align: center;
  margin-bottom: var(--space-3);
  font-weight: 700;
}

.calculator__lead-text {
  color: var(--color-text-secondary);
  text-align: center;
  margin-bottom: var(--space-6);
  font-size: var(--font-size-base);
}

.calculator__lead-form {
  display: grid;
  gap: var(--space-4);
}

@media (min-width: 48rem) {
  .calculator__lead-form {
    grid-template-columns: 1fr 1fr auto;
    align-items: center;
  }
}

.calculator__lead-input {
  padding: var(--space-4) var(--space-5);
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  font-size: var(--font-size-base);
  font-family: inherit;
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  transition: all var(--transition-fast);
  font-weight: 500;
}

.calculator__lead-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px var(--color-primary-glow);
}

.calculator__lead-input::placeholder {
  color: var(--color-text-tertiary);
}

.calculator__lead-button {
  white-space: nowrap;
  padding: var(--space-4) var(--space-8);
}

/* ===================================
   SUCCESS/ERROR MESSAGES - MODERN
   =================================== */
.calculator__message {
  padding: var(--space-5) var(--space-6);
  border-radius: var(--border-radius-lg);
  margin-top: var(--space-5);
  display: none;
  text-align: center;
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-base);
  border: 2px solid;
}

.calculator__message.visible {
  display: block;
  animation: scaleIn 0.4s ease-out;
}

.calculator__message--success {
  background-color: rgba(16, 185, 129, 0.1);
  color: var(--color-success);
  border-color: var(--color-success);
}

.calculator__message--error {
  background-color: rgba(239, 68, 68, 0.1);
  color: var(--color-error);
  border-color: var(--color-error);
}

/* ===================================
   LOADING STATE - SPINNER
   =================================== */
.calculator__loading {
  display: none;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  padding: var(--space-5);
  color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
}

.calculator__loading.visible {
  display: flex;
}

.calculator__spinner {
  width: 24px;
  height: 24px;
  border: 3px solid var(--color-primary-light);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* ===================================
   RESPONSIVE ADJUSTMENTS
   =================================== */
@media (max-width: 48rem) {
  .calculator__title {
    font-size: var(--font-size-2xl);
  }

  .calculator__section-title {
    font-size: var(--font-size-xl);
    flex-direction: column;
    text-align: center;
  }

  .calculator__section-number {
    width: 40px;
    height: 40px;
    font-size: var(--font-size-lg);
  }

  .calculator__result-value {
    font-size: var(--font-size-4xl);
  }

  .calculator__value {
    font-size: var(--font-size-xl);
  }

  .calculator__visualizations {
    grid-template-columns: 1fr;
  }

  .visualization-card {
    padding: var(--space-6);
  }

  .visualization-card__chart {
    height: 250px;
  }
}

/* ===================================
   CHART VISUALIZATIONS
   =================================== */
.calculator__visualizations {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-8);
  margin-bottom: var(--space-8);
  position: relative;
  z-index: 1;
}

.visualization-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px);
  border-radius: var(--border-radius-lg);
  padding: var(--space-8);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.visualization-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-accent);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.visualization-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  background: rgba(255, 255, 255, 0.15);
}

.visualization-card:hover::before {
  opacity: 1;
}

.visualization-card__title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: white;
  margin-bottom: var(--space-2);
  letter-spacing: -0.01em;
}

.visualization-card__description {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--space-6);
  line-height: 1.5;
}

.visualization-card__chart {
  position: relative;
  height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.visualization-card__chart canvas {
  max-width: 100%;
  max-height: 100%;
}