/* =========================================================
   KalkulatorHub — calculator.css
   Hero, receipt card (signature element), search bar,
   calculator cards, category directory, newest list
   ========================================================= */

/* ---------- Hero ---------- */
.hero {
  padding-top: clamp(3.5rem, 7vw, 6rem);
  padding-bottom: clamp(3.5rem, 7vw, 6rem);
}
.hero__grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
.hero__eyebrow {
  margin-bottom: 1.4rem;
}
.hero h1 {
  font-size: var(--fs-hero);
  letter-spacing: -0.02em;
  max-width: 14ch;
}
.hero__lede {
  margin-top: 1.4rem;
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 46ch;
}

/* Search */
.search-bar {
  margin-top: 2.2rem;
  display: flex;
  align-items: center;
  gap: 0.7rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0.35rem 0.35rem 0.35rem 1rem;
  max-width: 480px;
  transition: border-color var(--dur) var(--ease);
}
.search-bar:focus-within {
  border-color: var(--accent-teal);
}
.search-bar svg {
  width: 18px;
  height: 18px;
  color: var(--text-tertiary);
  flex-shrink: 0;
}
.search-bar input {
  flex: 1;
  background: none;
  border: none;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding-block: 0.65rem;
}
.search-bar input::placeholder {
  color: var(--text-tertiary);
}
.search-bar kbd {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-tertiary);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.15rem 0.4rem;
}

.search-results {
  position: relative;
  max-width: 480px;
}
.search-results__panel {
  position: absolute;
  top: 0.5rem;
  left: 0;
  right: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 20px 40px -12px rgba(0, 0, 0, 0.5);
  display: none;
  z-index: 40;
}
.search-results__panel.is-open {
  display: block;
}
.search-results__panel a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1.1rem;
  font-size: 0.92rem;
  border-bottom: 1px solid var(--border-soft);
  transition: background var(--dur) var(--ease);
}
.search-results__panel a:last-child {
  border-bottom: none;
}
.search-results__panel a:hover {
  background: var(--surface-hover);
}
.search-results__panel .cat-chip {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-tertiary);
}
.search-results__empty {
  padding: 1rem 1.1rem;
  font-size: 0.88rem;
  color: var(--text-tertiary);
}

.hero__tags {
  margin-top: 1.1rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
  font-size: 0.85rem;
  color: var(--text-tertiary);
}
.hero__tags span:first-child {
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

/* ---------- Receipt card (signature element) ---------- */
.receipt {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.75rem 1.6rem 1.5rem;
  font-family: var(--font-mono);
  box-shadow: 0 24px 60px -20px rgba(0, 0, 0, 0.55);
  clip-path: polygon(
    0% 0%,
    100% 0%,
    100% 96%,
    95% 100%,
    90% 96%,
    85% 100%,
    80% 96%,
    75% 100%,
    70% 96%,
    65% 100%,
    60% 96%,
    55% 100%,
    50% 96%,
    45% 100%,
    40% 96%,
    35% 100%,
    30% 96%,
    25% 100%,
    20% 96%,
    15% 100%,
    10% 96%,
    5% 100%,
    0% 96%
  );
}
.receipt__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--text-tertiary);
  text-transform: uppercase;
}
.receipt__dot {
  color: var(--accent-teal);
}
.receipt__label {
  margin-top: 1.3rem;
  font-size: 0.78rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.receipt__value {
  margin-top: 0.4rem;
  font-size: 3rem;
  font-weight: 600;
  color: var(--accent-gold);
  font-variant-numeric: tabular-nums;
  line-height: 1;
}
.receipt__badge {
  display: inline-block;
  margin-top: 0.85rem;
  font-size: 0.72rem;
  padding: 0.3rem 0.65rem;
  border-radius: 999px;
  background: var(--accent-teal-soft);
  color: var(--accent-teal);
}
.receipt__divider {
  margin-top: 1.4rem;
  border: none;
  border-top: 1px dashed var(--border);
}
.receipt__meta {
  margin-top: 1.1rem;
  display: flex;
  justify-content: space-between;
  font-size: 0.72rem;
  color: var(--text-tertiary);
}
.receipt__lines {
  margin-top: 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  font-size: 0.82rem;
}
.receipt__line {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  color: var(--text-secondary);
}
.receipt__line strong {
  color: var(--text-primary);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}
.receipt__thanks {
  margin-top: 1.6rem;
  text-align: center;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: var(--text-tertiary);
  text-transform: uppercase;
}
.receipt__float {
  position: absolute;
  top: -14px;
  right: -14px;
  background: var(--accent-gold);
  color: #14100a;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.4rem 0.7rem;
  border-radius: var(--radius-sm);
  box-shadow: 0 8px 20px -6px rgba(232, 176, 75, 0.5);
}

/* ---------- Calculator cards (popular) ---------- */
.calc-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.1rem;
}
.calc-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.5rem 1.4rem 1.6rem;
  transition:
    transform var(--dur) var(--ease),
    border-color var(--dur) var(--ease),
    background var(--dur) var(--ease);
  overflow: hidden;
}
.calc-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--cat-color, var(--accent-teal));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur) var(--ease);
}
.calc-card:hover {
  transform: translateY(-4px);
  border-color: var(--border);
  background: var(--surface-hover);
}
.calc-card:hover::before {
  transform: scaleX(1);
}

.calc-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: color-mix(
    in srgb,
    var(--cat-color, var(--accent-teal)) 16%,
    transparent
  );
  color: var(--cat-color, var(--accent-teal));
  margin-bottom: 1rem;
}
.calc-card__icon svg {
  width: 19px;
  height: 19px;
}
.calc-card h3 {
  font-size: var(--fs-h3);
  margin-bottom: 0.5rem;
}
.calc-card p {
  font-size: 0.88rem;
  color: var(--text-secondary);
}
.calc-card .link-arrow {
  margin-top: 1.1rem;
}

/* ---------- Category directory list ---------- */
.category-list {
  border-top: 1px solid var(--border-soft);
}
.category-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.35rem 0.25rem;
  border-bottom: 1px solid var(--border-soft);
  transition:
    padding-left var(--dur) var(--ease),
    background var(--dur) var(--ease);
}
.category-row:hover {
  padding-left: 0.75rem;
  background: var(--surface);
}
.category-row__left {
  display: flex;
  align-items: center;
  gap: 1.1rem;
}
.category-row__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--cat-color) 16%, transparent);
  color: var(--cat-color);
  flex-shrink: 0;
}
.category-row__icon svg {
  width: 20px;
  height: 20px;
}
.category-row h3 {
  font-size: 1.05rem;
}
.category-row__count {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-tertiary);
  margin-top: 0.2rem;
}
.category-row__right {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.form-group select {
  width: 100%;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text-primary);
  transition: border-color var(--dur) var(--ease);
  appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2398A0B3' stroke-width='2'><path d='M6 9l6 6 6-6'/></svg>");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 16px;
}
.form-group select:focus {
  border-color: var(--accent-teal);
  outline: none;
}

.form-checkbox {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.88rem;
  color: var(--text-secondary);
  cursor: pointer;
}
.form-checkbox input {
  width: 16px;
  height: 16px;
  accent-color: var(--accent-teal);
}

.mode-tabs {
  display: flex;
  gap: 0.4rem;
  margin-bottom: 1.5rem;
  padding: 0.3rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}
.mode-tab {
  flex: 1;
  padding: 0.6rem 0.5rem;
  border-radius: 6px;
  background: transparent;
  border: none;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--text-tertiary);
  text-align: center;
  transition:
    background var(--dur) var(--ease),
    color var(--dur) var(--ease);
}
.mode-tab.is-active {
  background: var(--surface);
  color: var(--accent-teal);
}
.mode-panel {
  display: none;
}
.mode-panel.is-active {
  display: block;
}

/* ---------- Breadcrumb ---------- */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-tertiary);
  padding-block: 1.25rem;
}
.breadcrumb a {
  color: var(--text-secondary);
  transition: color var(--dur) var(--ease);
}
.breadcrumb a:hover {
  color: var(--accent-teal);
}
.breadcrumb span[aria-current] {
  color: var(--text-primary);
}

/* ---------- Tool page hero ---------- */
.tool-hero {
  padding-top: 0.5rem;
  padding-bottom: clamp(2.5rem, 5vw, 4rem);
}
.tool-hero h1 {
  font-size: clamp(1.9rem, 3.4vw, 2.7rem);
  letter-spacing: -0.015em;
  max-width: 20ch;
}
.tool-hero__lede {
  margin-top: 1rem;
  color: var(--text-secondary);
  max-width: 56ch;
  font-size: 1.02rem;
}

.tool-panel {
  margin-top: 2.5rem;
  display: grid;
  grid-template-columns: 1fr 0.85fr;
  gap: clamp(1.5rem, 3vw, 2.5rem);
  align-items: start;
}

/* Form card */
.form-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 3vw, 2.25rem);
}
.form-group {
  margin-bottom: 1.4rem;
}
.form-group:last-of-type {
  margin-bottom: 0;
}
.form-group label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.03em;
  color: var(--text-secondary);
  margin-bottom: 0.55rem;
}
.form-input-wrap {
  position: relative;
}
.form-group input {
  width: 100%;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.85rem 3.2rem 0.85rem 1rem;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  color: var(--text-primary);
  transition: border-color var(--dur) var(--ease);
}
.form-group input:focus {
  border-color: var(--accent-teal);
  outline: none;
}
.form-unit {
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-tertiary);
  pointer-events: none;
}
.form-hint {
  margin-top: 0.4rem;
  font-size: 0.78rem;
  color: var(--text-tertiary);
}
.form-hint.is-error {
  color: var(--cat-kesehatan);
}
.form-card .btn {
  width: 100%;
  justify-content: center;
  margin-top: 0.6rem;
}

/* Result panel (reuses receipt look, static content) */
.result-receipt {
  position: sticky;
  top: 5.5rem;
}
.result-receipt .receipt__value {
  transition: color var(--dur) var(--ease);
}

/* ---------- Prose (article-style content) ---------- */
.prose {
  max-width: 72ch;
}
.prose h2 {
  font-size: 1.5rem;
  margin-top: 3rem;
  margin-bottom: 0.9rem;
  letter-spacing: -0.01em;
}
.prose h2:first-child {
  margin-top: 0;
}
.prose h3 {
  font-size: 1.1rem;
  margin-top: 1.6rem;
  margin-bottom: 0.6rem;
}
.prose p {
  color: var(--text-secondary);
  margin-bottom: 0.9rem;
}
.prose ol,
.prose ul {
  margin: 0 0 1rem 0;
  padding-left: 1.3rem;
  color: var(--text-secondary);
}
.prose ol {
  list-style: decimal;
}
.prose ul {
  list-style: disc;
}
.prose li {
  margin-bottom: 0.45rem;
}
.prose strong {
  color: var(--text-primary);
  font-weight: 600;
}

/* BMI category table */
.bmi-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 0.5rem;
  font-size: 0.92rem;
}
.bmi-table th,
.bmi-table td {
  text-align: left;
  padding: 0.75rem 0.9rem;
  border-bottom: 1px solid var(--border-soft);
}
.bmi-table th {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}
.bmi-table td:first-child {
  font-family: var(--font-mono);
  color: var(--text-primary);
}
.bmi-table tr[data-row="under"] td:nth-child(2) {
  color: var(--cat-kendaraan);
}
.bmi-table tr[data-row="normal"] td:nth-child(2) {
  color: var(--cat-pendidikan);
}
.bmi-table tr[data-row="over"] td:nth-child(2) {
  color: var(--accent-gold);
}
.bmi-table tr[data-row="obese"] td:nth-child(2) {
  color: var(--cat-kesehatan);
}
.bmi-table tr.is-active {
  background: var(--surface);
}

/* ---------- FAQ (native details/summary) ---------- */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-top: 1rem;
}
.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0.2rem 1.2rem;
}
.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 1.1rem 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.98rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.2rem;
  color: var(--accent-teal);
  flex-shrink: 0;
  transition: transform var(--dur) var(--ease);
}
.faq-item[open] summary::after {
  transform: rotate(45deg);
}
.faq-item p {
  padding-bottom: 1.1rem;
  color: var(--text-secondary);
  font-size: 0.92rem;
}

/* ---------- Newest calculators (row list) ---------- */
.newest-list {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}
.newest-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.1rem 1.3rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: border-color var(--dur) var(--ease);
}
.newest-row:hover {
  border-color: var(--accent-teal);
}
.newest-row__icon {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: color-mix(
    in srgb,
    var(--cat-color, var(--accent-teal)) 16%,
    transparent
  );
  color: var(--cat-color, var(--accent-teal));
  flex-shrink: 0;
}
.newest-row__icon svg {
  width: 16px;
  height: 16px;
}
.newest-row__body {
  flex: 1;
  min-width: 0;
}
.newest-row h3 {
  font-size: 0.98rem;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
}
.newest-row p {
  font-size: 0.85rem;
  color: var(--text-tertiary);
  margin-top: 0.2rem;
}
.badge-new {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.06em;
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  background: var(--accent-gold-soft);
  color: var(--accent-gold);
}