/* ==========================================================================
   Vanlife Budget Calculator - The Road Two Spoons
   ========================================================================== */

/* Intro
   ========================================================================== */

.budget-intro {
  margin-bottom: var(--space-6);
  padding-top: var(--space-7);
  font-size: var(--text-body);
  line-height: var(--leading-relaxed);
  color: var(--color-text);
}

.budget-intro p {
  max-width: var(--width-breakout);
  margin-left: auto;
  margin-right: auto;
}

/* Currency Toggle
   ========================================================================== */

.budget-currency {
  display: flex;
  justify-content: center;
  margin-bottom: var(--space-5);
}

.budget-currency__btn {
  all: unset;
  box-sizing: border-box;
  font-family: var(--font-body);
  font-size: var(--text-small);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.02em;
  padding: var(--space-2) var(--space-5);
  cursor: pointer;
  background: var(--color-white);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  transition:
    background var(--transition-fast),
    color var(--transition-fast);
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.budget-currency__btn:first-child {
  border-radius: var(--radius-pill) 0 0 var(--radius-pill);
  border-right: none;
}

.budget-currency__btn:last-child {
  border-radius: 0 var(--radius-pill) var(--radius-pill) 0;
}

.budget-currency__btn--active {
  background: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
}

.budget-currency__btn:not(.budget-currency__btn--active):hover {
  background: var(--color-surface, #f5f5f5);
}

/* Category Cards
   ========================================================================== */

.budget-category {
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-5);
  overflow: hidden;
}

.budget-category__header {
  display: flex;
  align-items: center;
  padding: var(--space-5);
  cursor: pointer;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  gap: var(--space-3);
}

.budget-category__icon {
  width: 24px;
  height: 24px;
  color: var(--color-accent);
  flex-shrink: 0;
  transition: transform var(--transition-fast);
}

.budget-category__header:hover .budget-category__icon {
  animation: icon-wiggle 0.5s ease;
}

@keyframes icon-wiggle {
  0% {
    transform: rotate(0deg);
  }
  20% {
    transform: rotate(-12deg);
  }
  40% {
    transform: rotate(10deg);
  }
  60% {
    transform: rotate(-6deg);
  }
  80% {
    transform: rotate(3deg);
  }
  100% {
    transform: rotate(0deg);
  }
}

.budget-category__name {
  font-family: var(--font-display);
  font-size: var(--text-h3);
  flex-grow: 1;
  color: var(--color-text);
}

.budget-category__subtotal {
  font-weight: var(--weight-semibold);
  color: var(--color-accent);
  white-space: nowrap;
}

.budget-category__chevron {
  width: 20px;
  height: 20px;
  transition: transform var(--transition-fast);
}

.budget-category__header[aria-expanded="false"] .budget-category__chevron {
  transform: rotate(180deg);
}

.budget-category__body {
  padding: 0 var(--space-5) var(--space-5);
}

.budget-category__body[hidden] {
  display: none;
}

/* Item Rows
   ========================================================================== */

.budget-item {
  display: flex;
  align-items: center;
  padding: var(--space-3) 0;
  border-top: 1px solid var(--color-border);
  gap: var(--space-4);
}

.budget-item:first-child {
  border-top: none;
}

.budget-item--disabled .budget-item__info,
.budget-item--disabled .budget-item__input-wrap {
  opacity: 0.4;
}

.budget-item__info {
  flex: 1;
  min-width: 0;
}

.budget-item__label {
  font-weight: var(--weight-semibold);
  font-size: var(--text-body);
  display: block;
}

.budget-item__hint {
  font-size: var(--text-small);
  color: var(--color-text-muted);
  display: block;
  margin-top: var(--space-1);
}

.budget-item__controls {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-shrink: 0;
}

/* Input Field
   ========================================================================== */

.budget-item__input-wrap {
  display: flex;
  align-items: center;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.budget-item__input-wrap:focus-within {
  border-color: var(--color-accent);
}

.budget-item__currency {
  padding: var(--space-2) 0 var(--space-2) var(--space-3);
  color: var(--color-text-muted);
  font-size: var(--text-body);
  pointer-events: none;
  user-select: none;
}

.budget-item__input {
  border: none;
  background: none;
  width: 80px;
  padding: var(--space-2) var(--space-3) var(--space-2) var(--space-1);
  font-family: var(--font-body);
  font-size: var(--text-body);
  font-variant-numeric: tabular-nums;
  text-align: right;
  color: var(--color-text);
  outline: none;
  -moz-appearance: textfield;
  appearance: textfield;
}

.budget-item__input::-webkit-inner-spin-button,
.budget-item__input::-webkit-outer-spin-button {
  display: none;
}

/* Toggle Switch
   ========================================================================== */

.budget-item__toggle {
  position: relative;
  display: inline-flex;
  flex-shrink: 0;
  cursor: pointer;
}

.budget-item__toggle input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.budget-item__toggle-track {
  width: 44px;
  height: 24px;
  border-radius: var(--radius-pill);
  background: var(--color-border);
  transition: background var(--transition-fast);
  position: relative;
}

.budget-item__toggle-track::after {
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--color-white);
  top: 3px;
  left: 3px;
  transition: transform var(--transition-fast);
}

.budget-item__toggle input:checked + .budget-item__toggle-track {
  background: var(--color-accent);
}

.budget-item__toggle input:checked + .budget-item__toggle-track::after {
  transform: translateX(20px);
}

/* Custom Costs
   ========================================================================== */

.budget-custom__label {
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-sm);
  background: none;
  font-family: var(--font-body);
  font-weight: var(--weight-semibold);
  font-size: var(--text-body);
  color: var(--color-text);
  width: 100%;
  max-width: 240px;
  padding: var(--space-2) var(--space-3);
  outline: none;
  transition: border-color var(--transition-fast);
}

.budget-custom__label:focus {
  border-color: var(--color-accent);
  border-style: solid;
}

.budget-custom__label::placeholder {
  color: var(--color-text-muted);
  font-weight: var(--weight-normal);
  font-style: italic;
}

.budget-custom__remove {
  all: unset;
  font-size: 1.25rem;
  color: var(--color-text-muted);
  cursor: pointer;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  flex-shrink: 0;
  transition:
    color var(--transition-fast),
    background var(--transition-fast);
}

.budget-custom__remove:hover {
  color: #d32f2f;
  background: rgba(211, 47, 47, 0.1);
}

.budget-custom__add {
  all: unset;
  font-family: var(--font-body);
  font-size: var(--text-body);
  color: var(--color-accent);
  cursor: pointer;
  padding: var(--space-3) 0;
  display: block;
  width: 100%;
  text-align: right;
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-2);
  transition: color var(--transition-fast);
}

.budget-custom__add:hover {
  color: var(--color-accent-dark, var(--color-accent));
}

/* Summary Bar
   ========================================================================== */

.budget-summary {
  background: var(--color-white);
  border-top: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-3);
  position: sticky;
  bottom: 0;
  z-index: 10;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.budget-summary::before {
  content: "";
  position: absolute;
  inset: -1000px;
  background-image: url("../images/topography.svg");
  background-size: 1000px;
  background-repeat: repeat;
  filter: brightness(0);
  opacity: 0.04;
  pointer-events: none;
  animation: contour-drift 300s linear infinite;
}

.budget-summary > * {
  position: relative;
}

.budget-summary__total {
  display: flex;
  flex-direction: column;
}

.budget-summary__monthly-label {
  font-size: var(--text-small);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.budget-summary__monthly-value {
  font-family: var(--font-display);
  font-size: var(--text-h1);
  color: var(--color-text);
}

.budget-summary__daily {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  color: var(--color-text-muted);
}

.budget-summary__daily-label {
  font-size: var(--text-small);
}

.budget-summary__daily-value {
  font-weight: var(--weight-semibold);
  font-size: var(--text-h3);
  color: var(--color-text);
}

.budget-summary__actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  width: 100%;
  margin-top: var(--space-2);
}

.budget-summary__share {
  all: unset;
  box-sizing: border-box;
  font-family: var(--font-body);
  font-size: var(--text-body);
  color: var(--color-white);
  background: var(--color-accent);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-pill);
  white-space: nowrap;
  width: 100%;
  max-width: 320px;
  transition:
    background var(--transition-fast),
    transform var(--transition-fast);
}

.budget-summary__share:hover {
  background: var(--color-accent-dark, var(--color-accent));
}

.budget-summary__share:active {
  transform: scale(0.96);
}

.budget-summary__share svg {
  flex-shrink: 0;
}

.budget-summary__reset {
  all: unset;
  font-family: var(--font-body);
  font-size: var(--text-small);
  color: var(--color-accent);
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.budget-summary__reset:hover {
  color: var(--color-accent-dark, var(--color-accent));
}

/* SEO Content Sections
   ========================================================================== */

.budget-content {
  max-width: var(--width-content);
  margin: var(--space-9) auto 0;
  padding: 0 var(--space-5);
}

.budget-content__section {
  margin-bottom: var(--space-8);
}

.budget-content__section h2 {
  font-family: var(--font-display);
  font-size: var(--text-h2);
  margin-bottom: var(--space-5);
  color: #000;
}

.budget-content__section p {
  font-size: var(--text-body);
  line-height: var(--leading-relaxed);
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

.budget-content__section a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.budget-content__section a:hover {
  color: var(--color-accent-dark, var(--color-accent));
}

/* FAQ Section
   ========================================================================== */

.budget-faq {
  max-width: var(--width-content);
  margin: 0 auto var(--space-9);
  padding: 0 var(--space-5);
}

.budget-faq h2 {
  font-family: var(--font-display);
  font-size: var(--text-h2);
  margin-bottom: var(--space-5);
  color: #000;
}

.budget-faq__item {
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-4) 0;
}

.budget-faq__item summary {
  font-weight: var(--weight-semibold);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.budget-faq__item summary::-webkit-details-marker {
  display: none;
}

.budget-faq__item summary::after {
  content: "+";
  font-size: var(--text-h3);
  font-weight: var(--weight-normal);
  color: var(--color-text-muted);
  flex-shrink: 0;
  margin-left: var(--space-4);
  transition: transform 0.3s ease;
}

.budget-faq__item[open] summary::after {
  content: "\2212";
  transform: rotate(180deg);
}

.budget-faq__item p {
  margin-top: var(--space-3);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
  animation: faq-fade-in 0.3s ease;
}

@keyframes faq-fade-in {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.budget-faq__item a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.budget-faq__item a:hover {
  color: var(--color-accent-dark, var(--color-accent));
}

/* Related Post Callout
   ========================================================================== */

.budget-related {
  max-width: var(--width-content);
  margin: 0 auto var(--space-9);
  padding: var(--space-5);
  background: var(--color-surface);
  border-radius: var(--radius-md);
}

.budget-related a {
  color: var(--color-accent);
}

/* Hero Focal Point
   ========================================================================== */

.page-hero__image--budget {
  object-position: center;
}

@media (max-width: 767px) {
  .page-hero__image--budget {
    object-position: center 30%;
  }
}

/* Responsive
   ========================================================================== */

@media (max-width: 600px) {
  .budget-item {
    flex-wrap: wrap;
  }

  .budget-item__info {
    flex-basis: calc(100% - 68px);
    order: 1;
  }

  .budget-item__controls {
    order: 2;
    width: 100%;
    justify-content: space-between;
    margin-top: var(--space-2);
  }

  .budget-summary__share {
    max-width: none;
  }
}

/* Print
   ========================================================================== */

@media print {
  .budget-summary {
    position: static;
    box-shadow: none;
  }

  .budget-item__toggle {
    display: none;
  }

  .budget-category__body {
    display: block !important;
  }

  .budget-category__chevron {
    display: none;
  }

  .budget-summary__actions {
    display: none;
  }
}