/* stylelint-disable no-duplicate-selectors */

/* ─── Scoped reset ─────────────────────────────────────────────── */
.svt, .svt *, .svt *::before, .svt *::after { box-sizing: border-box; }
.svt input, .svt button, .svt table { font: inherit; }

/* ─── Tokens (tema token'larına bağlı — customizer renkleri yansır) ──
   --svt-black: result panel dark accent (kullanıcı zıtlığı için her zaman koyu kalır;
                 ama --ink kullandığımız için Customizer'da "Noir principal" değişirse uyum sağlar)
   Liquid color'lar (aroma/booster/base) işlevsel — bottle viz için sabit. */
.svt {
  --svt-black:   var(--ink);
  --svt-white:   var(--card);
  --svt-text:    var(--ink);
  --svt-muted:   var(--ink-3);
  --svt-border:  var(--line);
  --svt-soft:    var(--bg-2);
  --svt-aroma:   #f59e0b;
  --svt-booster: #ef4444;
  --svt-base:    #3b82f6;
}

/* ─── Container ─────────────────────────────────────────────────── */
.svt {
  display: block;
  max-width: 980px;
  margin: clamp(20px, 4vw, 40px) auto;
  font-family: var(--font-body);
  color: var(--svt-text);
  background: var(--svt-white);
  border: 1px solid var(--svt-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--card-elev);
  isolation: isolate;
}

/* ─── Body grid ─────────────────────────────────────────────────── */
.svt__body {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  min-height: 480px;
}

@media (max-width: 780px) {
  .svt__body { grid-template-columns: 1fr; }
}

/* ─── Left: form panel ──────────────────────────────────────────── */
.svt__form-panel {
  background: var(--svt-white);
  border-right: 1px solid var(--svt-border);
  display: flex;
  flex-direction: column;
}

@media (max-width: 780px) {
  .svt__form-panel { border-right: 0; border-bottom: 1px solid var(--svt-border); }
}

/* tool title + description (rendered by JS inside form-panel header) */
.svt__tool-header {
  padding: 16px 18px 14px;
  border-bottom: 1px solid var(--svt-border);
  background: var(--svt-soft);
}
.svt__tool-title {
  margin: 0 0 4px;
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--svt-text) !important;
  line-height: 1.2;
}
.svt__tool-desc {
  margin: 0;
  font-size: 12px;
  color: var(--svt-muted);
  line-height: 1.45;
}

/* ─── Form sections ─────────────────────────────────────────────── */
.svt-section {
  padding: 13px 18px;
  border-bottom: 1px solid var(--svt-border);
}
.svt-section:last-child { border-bottom: 0; }

.svt-section__label {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--svt-muted);
  margin: 0 0 9px;
  line-height: 1;
}

.svt-presets {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
}

/* preset button */
.svt-preset {
  height: 32px;
  padding: 0 13px;
  border: 1px solid var(--svt-border);
  border-radius: 7px;
  background: var(--svt-white);
  color: var(--svt-text);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: background .12s, border-color .12s, color .12s;
  line-height: 1;
}
.svt-preset:hover:not(.svt-preset--active) {
  border-color: #aaa;
}
.svt-preset--active {
  background: var(--svt-black) !important;
  color: var(--svt-white) !important;
  border-color: var(--svt-black) !important;
}

/* custom input inline */
.svt-custom-wrap {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  color: var(--svt-muted);
  margin-left: 2px;
}
.svt-custom-input {
  width: 62px !important;
  height: 32px !important;
  padding: 0 8px !important;
  border: 1px solid var(--svt-border) !important;
  border-radius: 7px !important;
  font-size: 13px !important;
  font-weight: 500 !important;
  color: var(--svt-text) !important;
  background: var(--svt-white) !important;
  text-align: center !important;
  appearance: none !important;
  -webkit-appearance: none !important;
  box-shadow: none !important;
  margin: 0 !important;
  outline: none;
  transition: border-color .15s;
}
.svt-custom-input:focus {
  border-color: var(--svt-black) !important;
  box-shadow: 0 0 0 3px rgba(0,0,0,.07) !important;
}

/* ─── Right: result panel ───────────────────────────────────────── */
.svt__result-panel {
  background: var(--svt-black);
  color: var(--svt-white);
  display: flex;
  flex-direction: column;
}

/* ─── Hero ──────────────────────────────────────────────────────── */
.svt__hero {
  padding: 22px 20px 18px;
  border-bottom: 1px solid rgba(255,255,255,.1);
  flex-shrink: 0;
}

.svt__hero-waiting {
  margin: 0;
  font-size: 13px;
  color: rgba(255,255,255,.32);
  padding: 18px 0;
  text-align: center;
}

.svt__hero-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}
.svt__hero-text { flex: 1; min-width: 0; }

.svt__hero-label {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: rgba(255,255,255,.42);
  margin: 0 0 6px;
}
.svt__hero-number {
  display: flex;
  align-items: baseline;
  gap: 6px;
  flex-wrap: wrap;
  line-height: 1;
}
.svt__hero-value {
  font-size: 54px;
  font-weight: 800;
  color: var(--svt-white);
  letter-spacing: -.02em;
  line-height: 1;
}
.svt__hero-unit {
  font-size: 20px;
  font-weight: 400;
  color: rgba(255,255,255,.6);
}
.svt__hero-sub {
  margin: 8px 0 0;
  font-size: 12px;
  color: rgba(255,255,255,.48);
  line-height: 1.4;
}

/* bottle in hero */
.svt__bottle {
  width: 62px;
  flex-shrink: 0;
}
.svt__bottle svg {
  width: 100%;
  height: auto;
}

/* layer transition */
.svt-layer--base,
.svt-layer--booster,
.svt-layer--aroma,
.svt-meniscus {
  transition: y .3s ease, height .3s ease, opacity .25s ease;
}

/* ─── Ingredients ───────────────────────────────────────────────── */
.svt__ingredients {
  padding: 12px 20px;
  display: grid;
  gap: 7px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}

.svt-ing {
  display: flex;
  align-items: center;
  gap: 10px;
}
.svt-ing__badge {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 800;
  color: var(--svt-white);
  letter-spacing: .02em;
  flex-shrink: 0;
}
.svt-ing__name {
  flex: 1;
  font-size: 13px;
  color: rgba(255,255,255,.82);
  min-width: 0;
}
.svt-ing__detail {
  font-size: 11px;
  color: rgba(255,255,255,.38);
  margin-right: 2px;
}
.svt-ing__value {
  font-size: 14px;
  font-weight: 700;
  color: var(--svt-white);
  white-space: nowrap;
}

/* ─── Guide ─────────────────────────────────────────────────────── */
.svt-guide {
  padding: 12px 20px 16px;
}
.svt-guide__title {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: rgba(255,255,255,.38);
  margin: 0 0 9px;
}
.svt-guide__row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: rgba(255,255,255,.6);
  margin-bottom: 5px;
  line-height: 1.35;
}
.svt-guide__row b { color: rgba(255,255,255,.88); font-weight: 600; }
.svt-guide__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* ─── Loading state ─────────────────────────────────────────────── */
.svt--loading .svt__result-panel {
  opacity: 0.45;
  pointer-events: none;
  transition: opacity 0.15s;
}
.svt--loading .svt__hero-waiting::after {
  content: '';
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid rgba(255,255,255,.25);
  border-top-color: rgba(255,255,255,.75);
  border-radius: 50%;
  animation: svt-spin .7s linear infinite;
  margin-left: 10px;
  vertical-align: middle;
}
@keyframes svt-spin {
  to { transform: rotate(360deg); }
}

/* ─── Result fresh animation ─────────────────────────────────────── */
@keyframes svt-fade-up {
  from { opacity: 0.2; transform: translateY(8px); }
  to   { opacity: 1;   transform: translateY(0); }
}
.svt-result--fresh {
  animation: svt-fade-up 0.28s ease both;
}

/* ─── Tooltip ────────────────────────────────────────────────────── */
.svt-tip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: var(--line);
  color: #6b7280;
  font-size: 9px;
  font-weight: 800;
  cursor: help;
  border: none;
  position: relative;
  margin-left: 5px;
  vertical-align: middle;
  flex-shrink: 0;
  line-height: 1;
  padding: 0;
}
.svt-tip__text {
  display: none;
  position: absolute;
  bottom: calc(100% + 7px);
  left: 50%;
  transform: translateX(-50%);
  background: #111;
  color: #fff;
  font-size: 11px;
  font-weight: 400;
  padding: 8px 11px;
  border-radius: 8px;
  width: 210px;
  text-align: left;
  line-height: 1.5;
  z-index: 200;
  pointer-events: none;
  box-shadow: 0 4px 12px rgba(0,0,0,.22);
}
.svt-tip__text::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 5px solid transparent;
  border-top-color: #111;
}
.svt-tip:hover .svt-tip__text,
.svt-tip:focus .svt-tip__text,
.svt-tip.is-open .svt-tip__text {
  display: block;
}

/* ─── Error state ────────────────────────────────────────────────── */
.svt__hero-waiting--error {
  display: flex !important;
  align-items: flex-start;
  gap: 8px;
  color: #fca5a5 !important;
  background: rgba(239,68,68,.1);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 12px;
  line-height: 1.5;
  text-align: left;
}
.svt-error-icon {
  font-size: 14px;
  flex-shrink: 0;
  margin-top: 1px;
}

/* ─── Card presets (profile selector) ──────────────────────────── */
.svt-preset--card {
  height: auto !important;
  padding: 10px 16px !important;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  min-width: 82px;
  text-align: center;
}
.svt-preset-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--svt-muted);
  margin-bottom: 2px;
}
.svt-preset--card.svt-preset--active .svt-preset-card__icon {
  color: rgba(255,255,255,.9);
}
.svt-preset-card__title {
  font-size: 13px;
  font-weight: 700;
  display: block;
}
.svt-preset-card__sub {
  font-size: 11px;
  color: var(--svt-muted);
  display: block;
}
.svt-preset--card.svt-preset--active .svt-preset-card__sub {
  color: rgba(255,255,255,.65);
}

/* ─── Solo (no-preset) input ────────────────────────────────────── */
.svt-solo-input {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.svt-custom-input--solo {
  width: 90px !important;
}
.svt-solo-input__unit {
  font-size: 13px;
  color: var(--svt-muted);
}

/* ─── Section note ──────────────────────────────────────────────── */
.svt-section__note {
  margin-top: 7px;
  font-size: 11px;
  color: var(--svt-muted);
  line-height: 1.4;
}

/* ─── Reference table ───────────────────────────────────────────── */
.svt-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 11px;
  margin-top: 2px;
}
.svt-table th {
  color: rgba(255,255,255,.4);
  font-weight: 600;
  text-align: left;
  padding: 4px 8px 4px 0;
  border-bottom: 1px solid rgba(255,255,255,.12);
}
.svt-table td {
  color: rgba(255,255,255,.72);
  padding: 4px 8px 4px 0;
  border-bottom: 1px solid rgba(255,255,255,.06);
}

/* ═══════════════════════════════════════════════════════════════════
   ECONOMY CALCULATOR — overrides result panel to white
   ═══════════════════════════════════════════════════════════════════ */
.svt--economy .svt__result-panel {
  background: var(--svt-white);
  color: var(--svt-text);
}

.svt-eco {
  display: flex;
  flex-direction: column;
  height: 100%;
}

/* ─── Cost blocks ───────────────────────────────────────────────── */
.svt-cost-block {
  padding: 14px 18px;
  border-bottom: 1px solid var(--svt-border);
}
.svt-cost-block__title {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--svt-muted);
  margin-bottom: 10px;
}
.svt-cost-block--vape {
  background: #f0fdf4;
}
.svt-cost-block__cols {
  display: flex;
  gap: 0;
}
.svt-cost-col {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.svt-cost-col__label {
  font-size: 10px;
  color: var(--svt-muted);
}
.svt-cost-col__val {
  font-size: 15px;
  font-weight: 700;
  color: var(--svt-text);
}
.svt-cost-col--hi .svt-cost-col__val {
  font-size: 17px;
}
.svt-cost-block--vape .svt-cost-col__val {
  color: #16a34a;
}

/* ─── Savings hero block ────────────────────────────────────────── */
.svt-savings-block {
  background: var(--svt-black);
  color: var(--svt-white);
  padding: 18px 18px 16px;
  border-bottom: 1px solid var(--svt-border);
  text-align: center;
}
.svt-savings-block--negative {
  background: #7f1d1d;
}
.svt-savings-block__label {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: rgba(255,255,255,.5);
  margin-bottom: 6px;
}
.svt-savings-block__value {
  font-size: 46px;
  font-weight: 800;
  letter-spacing: -.02em;
  line-height: 1;
  margin-bottom: 5px;
}
.svt-savings-block__sub {
  font-size: 13px;
  color: rgba(255,255,255,.6);
}

/* ─── Monthly detail ────────────────────────────────────────────── */
.svt-eco-detail {
  padding: 12px 18px;
  border-bottom: 1px solid var(--svt-border);
  flex: 1;
}
.svt-eco-detail__title {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--svt-muted);
  margin-bottom: 9px;
}
.svt-eco-detail__row {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--ink-3);
  padding: 4px 0;
  border-bottom: 1px solid var(--line);
}
.svt-eco-detail__total {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  font-weight: 700;
  color: var(--svt-text);
  padding-top: 8px;
  margin-top: 2px;
}

/* ─── Health note ───────────────────────────────────────────────── */
.svt-eco-health {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 11px 18px 14px;
  font-size: 11px;
  color: var(--ink-3);
  line-height: 1.5;
  background: var(--bg-2);
}
.svt-eco-health__icon {
  font-size: 16px;
  flex-shrink: 0;
  color: #dc2626;
  margin-top: 1px;
}
.svt-eco-health b {
  color: var(--svt-text);
}

/* ─── SEO block under each tool ─────────────────────────────────── */
.svt-seo {
  margin: 20px auto 34px;
  max-width: 960px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--card);
  color: var(--ink);
}

.svt-seo__title {
  margin: 0 0 10px;
  font-size: 22px;
  line-height: 1.3;
  font-weight: 800;
  color: #111111;
}

.svt-seo__subtitle {
  margin: 18px 0 10px;
  font-size: 16px;
  line-height: 1.35;
  font-weight: 700;
  color: var(--ink);
}

.svt-seo__text {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-2);
}

.svt-seo__terms {
  margin: 0;
  padding-left: 18px;
}

.svt-seo__term-item {
  margin: 0 0 8px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--ink-2);
}

.svt-seo__faq {
  display: grid;
  gap: 8px;
}

.svt-seo__faq-item {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--bg-2);
  padding: 10px 12px;
}

.svt-seo__faq-item summary {
  cursor: pointer;
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
  list-style: none;
}

.svt-seo__faq-item summary::-webkit-details-marker {
  display: none;
}

.svt-seo__faq-item p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--ink-3);
}

/* ============================================================
   Dark mode overrides + UI polish (theme entegrasyonu)
   Result panel intentional olarak koyu kalır (zıtlık), customizer
   ink rengini light mode'da bağlayan map ile uyumludur.
   ============================================================ */

/* Dark mode: result panel'ın koyu kalması için sabit dark accent.
   --ink dark'ta light olur; orjinal tasarım kontrastı bozulmasın. */
[data-theme="dark"] .svt {
  --svt-black: #0c0c0c;
  --svt-white: #f4f4f2;
}
[data-theme="dark"] .svt__result-panel {
  background: #0c0c0c;
  color: #f4f4f2;
}

/* SEO block — dark mode adapte */
[data-theme="dark"] .svt-seo {
  background: var(--bg-2);
  border-color: var(--line);
}
[data-theme="dark"] .svt-seo__faq-item {
  background: var(--card);
  border-color: var(--line);
}

/* Health note dark */
[data-theme="dark"] .svt-eco-health {
  background: var(--bg-2);
  color: var(--ink-2);
}

/* ============================================================
   Tipografi: tema font-display'i başlıklarda kullan
   ============================================================ */
.svt__tool-title,
.svt-seo__title,
.svt-seo__subtitle,
.svt__hero-value {
  font-family: var(--font-display);
}

/* Hero "waiting" durumu daha çağırıcı */
.svt__hero-waiting {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

/* Preset butonları: pill + brand-yellow hover */
.svt-preset {
  border-radius: var(--radius-pill);
  font-weight: 600;
}
.svt-preset:hover:not(.svt-preset--active) {
  border-color: var(--ink-3);
  background: var(--bg-2);
}

/* Custom input radius + brand focus */
.svt-custom-input {
  border-radius: var(--radius-sm) !important;
}
.svt-custom-input:focus {
  border-color: var(--ink) !important;
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--brand-yellow) 30%, transparent) !important;
}

/* ============================================================
   Mobil iyileştirmeler
   ============================================================ */
@media (max-width: 780px) {
  .svt {
    margin: 16px auto;
    border-radius: var(--radius-md);
  }
  .svt__hero { padding: 18px 16px 14px; }
  .svt__hero-value { font-size: 42px; }
  .svt__hero-unit { font-size: 17px; }
  .svt__bottle { width: 50px; }

  .svt-section { padding: 12px 14px; }
  .svt-savings-block__value { font-size: 36px; }

  .svt-seo {
    margin: 16px auto 24px;
    padding: 16px;
    border-radius: var(--radius-md);
  }
  .svt-seo__title { font-size: 19px; }
  .svt-seo__subtitle { font-size: 15px; }
  .svt-seo__text,
  .svt-seo__term-item,
  .svt-seo__faq-item summary,
  .svt-seo__faq-item p { font-size: 14px; }
}

@media (max-width: 480px) {
  .svt__hero-row { flex-wrap: wrap; }
  .svt__bottle { width: 44px; }
  .svt__hero-value { font-size: 36px; }
  .svt-presets { gap: 5px; }
  .svt-preset { font-size: 12px; padding: 0 11px; height: 30px; }
  .svt-custom-input { width: 56px !important; height: 30px !important; }
}

/* ============================================================
   2026 theme refresh: cohesive light/dark tool surface
   ============================================================ */
.svt {
  --svt-black: var(--ink);
  --svt-white: var(--card);
  --svt-text: var(--ink);
  --svt-muted: var(--ink-3);
  --svt-border: color-mix(in srgb, var(--line) 86%, transparent);
  --svt-soft: var(--bg-2);
  --svt-surface: var(--card);
  --svt-surface-2: color-mix(in srgb, var(--card) 86%, var(--bg-2));
  --svt-surface-3: color-mix(in srgb, var(--brand-yellow) 9%, var(--card));
  --svt-result-bg:
    radial-gradient(560px 300px at 100% 0%, color-mix(in srgb, var(--brand-cyan) 16%, transparent), transparent 62%),
    radial-gradient(460px 260px at 0% 100%, color-mix(in srgb, var(--brand-yellow) 14%, transparent), transparent 60%),
    linear-gradient(145deg, var(--card), color-mix(in srgb, var(--bg-2) 68%, var(--card)));
  --svt-hero-bg: var(--ink);
  --svt-hero-fg: var(--bg);
  --svt-focus: color-mix(in srgb, var(--brand-yellow) 34%, transparent);
  --svt-bottle-cap: color-mix(in srgb, var(--ink) 16%, transparent);
  --svt-bottle-neck: color-mix(in srgb, var(--ink) 11%, transparent);
  --svt-bottle-shell: color-mix(in srgb, var(--card) 72%, transparent);
  --svt-bottle-stroke: color-mix(in srgb, var(--ink) 20%, transparent);
  --svt-bottle-inner: color-mix(in srgb, var(--ink) 8%, transparent);
  --svt-bottle-shine: color-mix(in srgb, #ffffff 54%, transparent);
  --svt-bottle-lines: color-mix(in srgb, var(--ink) 20%, transparent);
  max-width: 1080px;
  border-color: var(--svt-border);
  border-radius: var(--radius-xl);
  background: var(--svt-surface);
  box-shadow: var(--card-elev);
}

[data-theme="dark"] .svt {
  --svt-black: var(--ink);
  --svt-white: var(--card);
  --svt-text: var(--ink);
  --svt-muted: var(--ink-3);
  --svt-border: color-mix(in srgb, var(--line-2) 72%, transparent);
  --svt-surface: var(--card);
  --svt-surface-2: color-mix(in srgb, var(--card) 82%, var(--bg-2));
  --svt-surface-3: color-mix(in srgb, var(--brand-yellow) 12%, var(--card));
  --svt-result-bg:
    radial-gradient(620px 340px at 100% -10%, color-mix(in srgb, var(--brand-cyan) 13%, transparent), transparent 64%),
    radial-gradient(520px 300px at -10% 110%, color-mix(in srgb, var(--brand-yellow) 12%, transparent), transparent 64%),
    linear-gradient(145deg, color-mix(in srgb, var(--card) 92%, var(--bg)), var(--bg-2));
  --svt-hero-bg: var(--ink);
  --svt-hero-fg: var(--bg);
  --svt-bottle-cap: color-mix(in srgb, var(--ink) 18%, transparent);
  --svt-bottle-neck: color-mix(in srgb, var(--ink) 12%, transparent);
  --svt-bottle-shell: color-mix(in srgb, var(--card) 74%, transparent);
  --svt-bottle-stroke: color-mix(in srgb, var(--ink) 24%, transparent);
  --svt-bottle-inner: color-mix(in srgb, var(--ink) 9%, transparent);
  --svt-bottle-shine: color-mix(in srgb, var(--ink) 16%, transparent);
  --svt-bottle-lines: color-mix(in srgb, var(--ink) 22%, transparent);
}

.svt__body {
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 1.05fr);
  min-height: 520px;
}

.svt__form-panel {
  background: var(--svt-surface);
  border-right-color: var(--svt-border);
}

.svt__tool-header {
  padding: 20px 22px 18px;
  border-bottom-color: var(--svt-border);
  background:
    radial-gradient(420px 180px at 100% 0%, color-mix(in srgb, var(--brand-yellow) 14%, transparent), transparent 60%),
    var(--svt-surface-2);
}

.svt__tool-title {
  margin-bottom: 6px;
  color: var(--ink) !important;
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
}

.svt__tool-desc {
  max-width: 56ch;
  color: var(--ink-3);
  font-size: 0.875rem;
}

.svt-section {
  padding: 16px 22px;
  border-bottom-color: var(--svt-border);
  background: var(--svt-surface);
}

.svt-section__label {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-bottom: 11px;
  color: var(--ink-3);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
}

.svt-presets {
  gap: 8px;
}

.svt-preset {
  min-height: 36px;
  height: auto;
  padding: 8px 14px;
  border-color: var(--svt-border);
  background: var(--svt-surface-2);
  color: var(--ink-2);
  font-size: 0.8125rem;
  font-weight: 750;
  line-height: 1.15;
  box-shadow: inset 0 1px 0 color-mix(in srgb, #ffffff 42%, transparent);
  transition:
    background-color var(--dur-fast) var(--ease-out),
    border-color var(--dur-fast) var(--ease-out),
    color var(--dur-fast) var(--ease-out),
    transform var(--dur-fast) var(--ease-out),
    box-shadow var(--dur-fast) var(--ease-out);
}

[data-theme="dark"] .svt-preset {
  box-shadow: inset 0 1px 0 color-mix(in srgb, var(--ink) 8%, transparent);
}

.svt-preset:hover:not(.svt-preset--active) {
  border-color: color-mix(in srgb, var(--ink) 30%, var(--line));
  background: var(--card);
  color: var(--ink);
  transform: translateY(-1px);
}

.svt-preset--active {
  border-color: var(--brand-yellow) !important;
  background: var(--brand-yellow) !important;
  color: var(--brand-yellow-ink) !important;
  box-shadow: 0 12px 24px -18px color-mix(in srgb, var(--brand-yellow) 72%, #000) !important;
}

.svt-custom-wrap,
.svt-solo-input {
  min-height: 36px;
  padding: 0 4px;
  color: var(--ink-3);
  font-weight: 650;
}

.svt-custom-input {
  height: 36px !important;
  border-color: var(--svt-border) !important;
  background: var(--card) !important;
  color: var(--ink) !important;
  font-weight: 750 !important;
}

.svt-custom-input:focus {
  border-color: var(--brand-yellow-2) !important;
  box-shadow: 0 0 0 4px var(--svt-focus) !important;
}

.svt-section__note {
  margin-top: 9px;
  color: var(--ink-4);
  font-size: 0.75rem;
}

.svt__result-panel,
[data-theme="dark"] .svt__result-panel,
.svt--economy .svt__result-panel {
  background: var(--svt-result-bg);
  color: var(--ink);
  border-left: 1px solid var(--svt-border);
}

.svt__hero {
  padding: 22px;
  border-bottom-color: var(--svt-border);
}

.svt__hero-main {
  padding: 18px;
  border: 1px solid var(--svt-border);
  border-radius: var(--radius-lg);
  background: color-mix(in srgb, var(--card) 76%, transparent);
  box-shadow: inset 0 1px 0 color-mix(in srgb, #ffffff 45%, transparent);
}

[data-theme="dark"] .svt__hero-main {
  background: color-mix(in srgb, var(--card) 70%, transparent);
  box-shadow: inset 0 1px 0 color-mix(in srgb, var(--ink) 8%, transparent);
}

.svt__hero-waiting {
  color: var(--ink-4);
}

.svt__hero-label {
  color: var(--ink-3);
}

.svt__hero-value {
  color: var(--ink);
  font-size: clamp(2.6rem, 5vw, 4.25rem);
}

.svt__hero-unit,
.svt__hero-sub {
  color: var(--ink-3);
}

.svt__bottle {
  width: 70px;
  padding: 8px;
  border: 1px solid var(--svt-border);
  border-radius: 22px;
  background: var(--svt-surface-2);
}

.svt__ingredients {
  padding: 0 22px 18px;
  gap: 8px;
  border-bottom-color: var(--svt-border);
}

.svt-ing {
  min-height: 42px;
  padding: 7px 10px 7px 7px;
  border: 1px solid var(--svt-border);
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--card) 72%, transparent);
}

.svt-ing__badge {
  width: 30px;
  height: 30px;
  color: #fff;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.28);
}

.svt-ing__name,
.svt-ing__value {
  color: var(--ink);
}

.svt-ing__name {
  font-weight: 700;
}

.svt-ing__detail {
  color: var(--ink-4);
}

.svt-guide {
  padding: 0 22px 22px;
}

.svt-guide__title {
  color: var(--ink-3);
}

.svt-guide__row {
  margin-bottom: 7px;
  color: var(--ink-3);
}

.svt-guide__row b {
  color: var(--ink);
  font-weight: 800;
}

.svt-table th {
  color: var(--ink-4);
  border-bottom-color: var(--svt-border);
}

.svt-table td {
  color: var(--ink-2);
  border-bottom-color: color-mix(in srgb, var(--line) 70%, transparent);
}

.svt--loading .svt__result-panel {
  opacity: 0.62;
}

.svt--loading .svt__hero-waiting::after {
  border-color: color-mix(in srgb, var(--ink) 18%, transparent);
  border-top-color: var(--ink);
}

.svt-tip {
  background: color-mix(in srgb, var(--ink) 9%, transparent);
  color: var(--ink-3);
}

.svt-tip__text {
  background: var(--ink);
  color: var(--bg);
  box-shadow: var(--card-elev);
}

.svt-tip__text::after {
  border-top-color: var(--ink);
}

.svt__hero-waiting--error {
  color: var(--brand-danger) !important;
  background: color-mix(in srgb, var(--brand-danger) 11%, var(--card));
  border: 1px solid color-mix(in srgb, var(--brand-danger) 24%, transparent);
}

.svt-preset--card {
  align-items: flex-start;
  min-width: 118px;
  padding: 12px 14px !important;
  border-radius: var(--radius-md);
  text-align: left;
}

.svt-preset-card__icon {
  color: var(--ink-3);
}

.svt-preset--card.svt-preset--active .svt-preset-card__icon,
.svt-preset--card.svt-preset--active .svt-preset-card__sub {
  color: color-mix(in srgb, var(--brand-yellow-ink) 72%, transparent);
}

.svt-preset-card__sub,
.svt-solo-input__unit {
  color: var(--ink-4);
}

.svt-cost-block {
  margin: 14px 18px 0;
  padding: 14px;
  border: 1px solid var(--svt-border);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--card) 76%, transparent);
}

.svt-cost-block--vape {
  background: color-mix(in srgb, var(--brand-success) 11%, var(--card));
}

.svt-cost-block__title,
.svt-cost-col__label,
.svt-eco-detail__title {
  color: var(--ink-3);
}

.svt-cost-col__val,
.svt-eco-detail__total,
.svt-eco-health b {
  color: var(--ink);
}

.svt-cost-block--vape .svt-cost-col__val {
  color: var(--brand-success);
}

.svt-savings-block {
  margin: 14px 18px 0;
  padding: 20px 18px 18px;
  border: 0;
  border-radius: var(--radius-lg);
  background:
    radial-gradient(320px 160px at 90% 0%, color-mix(in srgb, var(--brand-yellow) 32%, transparent), transparent 62%),
    var(--svt-hero-bg);
  color: var(--svt-hero-fg);
  box-shadow: 0 22px 52px -34px color-mix(in srgb, #000 74%, transparent);
}

.svt-savings-block--negative {
  background:
    radial-gradient(320px 160px at 90% 0%, rgba(255,255,255,0.14), transparent 62%),
    var(--brand-danger);
  color: #fff;
}

.svt-savings-block__label,
.svt-savings-block__sub {
  color: color-mix(in srgb, currentColor 66%, transparent);
}

.svt-eco-detail {
  margin: 14px 18px 0;
  padding: 14px;
  border: 1px solid var(--svt-border);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--card) 74%, transparent);
}

.svt-eco-detail__row {
  color: var(--ink-3);
  border-bottom-color: var(--svt-border);
}

.svt-eco-health {
  margin: 14px 18px 18px;
  padding: 14px;
  border: 1px solid color-mix(in srgb, var(--brand-yellow) 28%, var(--line));
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--brand-yellow) 9%, var(--card));
  color: var(--ink-3);
}

[data-theme="dark"] .svt-eco-health {
  background: color-mix(in srgb, var(--brand-yellow) 12%, var(--card));
  color: var(--ink-3);
}

.svt-seo {
  max-width: 1080px;
  margin: 24px auto 44px;
  padding: clamp(18px, 2.5vw, 28px);
  border-color: var(--line);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(520px 220px at 100% 0%, color-mix(in srgb, var(--brand-yellow) 10%, transparent), transparent 62%),
    var(--card);
  box-shadow: var(--card-elev);
}

[data-theme="dark"] .svt-seo {
  background:
    radial-gradient(520px 220px at 100% 0%, color-mix(in srgb, var(--brand-yellow) 9%, transparent), transparent 62%),
    var(--card);
}

.svt-seo__title {
  color: var(--ink);
  font-size: clamp(1.25rem, 1.2vw + 1rem, 1.75rem);
  letter-spacing: -0.02em;
}

.svt-seo__subtitle {
  color: var(--ink);
}

.svt-seo__text,
.svt-seo__term-item {
  color: var(--ink-2);
}

.svt-seo__faq-item,
[data-theme="dark"] .svt-seo__faq-item {
  border-color: var(--line);
  border-radius: var(--radius-md);
  background: var(--bg-2);
}

.svt-seo__faq-item p {
  color: var(--ink-3);
}

@media (max-width: 780px) {
  .svt {
    border-radius: var(--radius-lg);
  }

  .svt__body {
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .svt__form-panel {
    border-right: 0;
    border-bottom: 1px solid var(--svt-border);
  }

  .svt__result-panel,
  [data-theme="dark"] .svt__result-panel,
  .svt--economy .svt__result-panel {
    border-left: 0;
  }

  .svt__tool-header,
  .svt-section,
  .svt__hero,
  .svt__ingredients,
  .svt-guide {
    padding-left: 16px;
    padding-right: 16px;
  }

  .svt__hero-main {
    padding: 14px;
  }

  .svt__bottle {
    width: 58px;
  }

  .svt-cost-block,
  .svt-savings-block,
  .svt-eco-detail,
  .svt-eco-health {
    margin-left: 16px;
    margin-right: 16px;
  }
}

@media (max-width: 480px) {
  .svt-presets {
    gap: 7px;
  }

  .svt-preset {
    min-height: 34px;
    padding: 8px 12px;
  }

  .svt-preset--card {
    min-width: min(100%, 136px);
  }

  .svt-custom-input {
    height: 34px !important;
  }

  .svt-cost-block__cols {
    display: grid;
    gap: 10px;
  }
}

/* Guide/article layout alignment */
.prose .svt {
  margin: var(--sp-5) 0;
}

.prose .svt-seo {
  margin-left: 0;
  margin-right: 0;
}

.svt {
  --svt-result-bg: var(--card);
  --svt-surface-2: var(--bg-2);
  --svt-bottle-cap: color-mix(in srgb, var(--ink) 12%, transparent);
  --svt-bottle-neck: color-mix(in srgb, var(--ink) 8%, transparent);
  --svt-bottle-shell: color-mix(in srgb, var(--bg) 74%, var(--card));
  --svt-bottle-stroke: color-mix(in srgb, var(--ink) 15%, var(--line));
  --svt-bottle-inner: color-mix(in srgb, var(--bg-2) 80%, var(--card));
  --svt-bottle-shine: color-mix(in srgb, #fff 62%, transparent);
  --svt-bottle-lines: color-mix(in srgb, var(--ink) 16%, transparent);
  width: 100%;
  max-width: 72ch;
  border-radius: var(--radius-lg);
  box-shadow: var(--card-elev);
}

[data-theme="dark"] .svt {
  --svt-result-bg: var(--card);
  --svt-surface-2: var(--bg-2);
  --svt-bottle-shell: color-mix(in srgb, var(--card) 82%, var(--bg-2));
  --svt-bottle-inner: color-mix(in srgb, var(--bg-2) 78%, var(--card));
  --svt-bottle-shine: color-mix(in srgb, var(--ink) 10%, transparent);
}

.svt__body {
  grid-template-columns: 1fr;
  min-height: 0;
}

.svt__form-panel {
  border-right: 0;
  border-bottom: 1px solid var(--svt-border);
}

.svt__tool-header {
  padding: 20px 22px;
  background: var(--card);
}

.svt__tool-title {
  color: var(--ink) !important;
  font-size: 0.95rem;
  letter-spacing: 0;
  text-transform: none;
}

.svt__tool-desc {
  color: var(--ink-3);
  font-size: 0.9375rem;
  line-height: 1.55;
}

.svt-section {
  padding: 18px 22px;
}

.svt-section__label {
  color: var(--ink-3);
  font-size: 0.72rem;
}

.svt-preset {
  min-height: 38px;
  padding: 8px 15px;
  background: var(--card);
  box-shadow: none;
  font-size: 0.9rem;
  font-weight: 760;
}

.svt-preset--active {
  box-shadow: none !important;
}

.svt-custom-wrap,
.svt-solo-input {
  font-size: 0.8125rem;
}

.svt__result-panel,
[data-theme="dark"] .svt__result-panel,
.svt--economy .svt__result-panel {
  display: grid;
  border-left: 0;
  color: var(--ink);
}

.svt__hero {
  padding: 22px 22px 14px;
}

.svt__hero-main {
  padding: 16px;
  border-radius: var(--radius-md);
  background: var(--card);
  box-shadow: none;
}

[data-theme="dark"] .svt__hero-main {
  background: var(--card);
  box-shadow: none;
}

.svt__hero-value {
  font-size: clamp(2.7rem, 8vw, 4rem);
  letter-spacing: -0.035em;
}

.svt__hero-unit {
  font-size: 1rem;
  font-weight: 650;
}

.svt__bottle {
  width: 58px;
  border-radius: 18px;
  background: var(--bg);
}

.svt__ingredients {
  padding: 0 22px 16px;
}

.svt-ing {
  background: var(--card);
}

.svt-ing__name,
.svt-ing__value {
  color: var(--ink);
  font-size: 0.875rem;
}

.svt-guide {
  padding: 0 22px 22px;
}

.svt-guide__title {
  margin-bottom: 10px;
  color: var(--ink-3);
}

.svt-guide__row,
.svt-table {
  font-size: 0.875rem;
}

.svt-table th,
.svt-table td {
  padding: 7px 10px 7px 0;
}

.svt-table th {
  color: var(--ink-3);
  font-weight: 700;
}

.svt-table td {
  color: var(--ink);
  font-weight: 650;
}

.svt-cost-block,
.svt-savings-block,
.svt-eco-detail,
.svt-eco-health {
  margin-left: 22px;
  margin-right: 22px;
}

.svt-seo {
  max-width: 72ch;
  padding: var(--sp-5);
  border-radius: var(--radius-lg);
  background: var(--card);
  box-shadow: var(--card-elev);
}

[data-theme="dark"] .svt-seo {
  background: var(--card);
}

@media (min-width: 900px) {
  .svt__body {
    grid-template-columns: 1fr;
  }

  .svt__form-panel {
    border-right: 0;
    border-bottom: 1px solid var(--svt-border);
  }
}

@media (max-width: 600px) {
  .svt {
    border-radius: var(--radius-md);
  }

  .svt__tool-header,
  .svt-section,
  .svt__hero,
  .svt__ingredients,
  .svt-guide {
    padding-left: 16px;
    padding-right: 16px;
  }

  .svt__hero-row {
    align-items: center;
  }

  .svt__hero-value {
    font-size: 2.75rem;
  }

  .svt__bottle {
    width: 50px;
  }

  .svt-cost-block,
  .svt-savings-block,
  .svt-eco-detail,
  .svt-eco-health {
    margin-left: 16px;
    margin-right: 16px;
  }
}