/* ==========================================================
   SHARED COMPONENTS — "The Field"
   Product cards, tool cards, testimonials, spec tables,
   info rows, theory cards, plugin region shell
   ========================================================== */

/* ------------------------------------------------------------------
   Product / series card (light card on light section)
------------------------------------------------------------------ */
.series-card {
  background: var(--white);
  border: 1px solid var(--line-lt);
  display: flex;
  flex-direction: column;
  position: relative;
  min-height: 460px;
  padding: 0;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.series-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-card);
}
.series-card--featured {
  outline: 2px solid var(--red);
  outline-offset: -2px;
}

.series-card__badge {
  position: absolute;
  top: 0;
  right: 1.2rem;
  transform: translateY(-50%);
  background: var(--red);
  color: #fff;
  font-weight: 700;
  font-size: 9.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 0.4rem 0.85rem;
  z-index: 2;
}

.series-card__header {
  padding: 1.5rem 1.5rem 0.3rem;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}
.series-card__code {
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--red);
}
.series-card__price {
  font-weight: 600;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--ink-mute);
  text-transform: uppercase;
}
.series-card__price .amount { color: var(--ink); font-weight: 800; }

.series-card__image {
  height: 90px;
  display: flex;
  align-items: center;
  padding: 0 1.5rem;
}
.series-card__image svg { width: 100%; height: auto; }

.series-card__spine {
  padding: 0 1.5rem;
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
}
.series-card__spine-num {
  font-family: var(--f-display);
  font-weight: 900;
  font-size: 4.2rem;
  line-height: 1;
  color: var(--ink);
}
.series-card__body {
  padding: 1rem 1.5rem;
  font-size: 0.9rem;
  color: var(--ink-soft);
  flex: 1;
}

.series-card__specs {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  margin: 0 1.5rem;
  border-top: 1px solid var(--line-lt);
  padding: 0.85rem 0;
  gap: 0.5rem;
}
.series-card__spec { display: flex; flex-direction: column; gap: 0.15rem; }
.series-card__spec .lbl {
  font-weight: 600;
  font-size: 9px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.series-card__spec .val {
  font-weight: 800;
  font-size: 12.5px;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

.series-card__footer {
  padding: 1rem 1.5rem 1.4rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.8rem;
}
.series-card__footer .link {
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-soft);
  transition: color 0.2s;
}
.series-card__footer .link:hover { color: var(--red); }

/* ------------------------------------------------------------------
   Tool card (dark card — used inside dark tools band)
------------------------------------------------------------------ */
.tool-card {
  background: var(--char-2);
  border: 1px solid var(--line-dk);
  padding: 2.4rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  position: relative;
  transition: border-color 0.25s var(--ease);
}
.tool-card:hover { border-color: var(--red); }
.tool-card__num {
  position: absolute;
  top: 1.5rem;
  right: 1.6rem;
  font-weight: 700;
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--t-mute);
  text-transform: uppercase;
}
.tool-card__icon {
  width: 52px;
  height: 52px;
  border: 1px solid var(--red);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--red-bright);
}
.tool-card h3 {
  font-family: var(--f-display);
  font-weight: 800;
  font-size: 1.45rem;
  text-transform: uppercase;
  color: var(--t-strong);
}
.tool-card p { color: var(--t-mute); font-size: 0.95rem; }
.tool-card .btn--ghost {
  border-color: rgba(255, 255, 255, 0.3);
  color: #fff;
  align-self: flex-start;
}
.tool-card .btn--ghost:hover { border-color: #fff; background: rgba(255,255,255,0.08); }

/* Tool demo readout strip */
.tool-card__demo {
  background: var(--char);
  border: 1px solid var(--line-dk);
  padding: 1.1rem 1.3rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}
.tool-card__demo .in {
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--t-mute);
  text-transform: uppercase;
}
.tool-card__demo .out {
  font-family: var(--f-display);
  font-weight: 900;
  font-size: 1.9rem;
  color: var(--amber);
  line-height: 1;
}
.tool-card__demo .out small {
  font-size: 0.42em;
  color: var(--t-mute);
  letter-spacing: 0.12em;
  font-weight: 700;
}

/* ------------------------------------------------------------------
   Testimonial / field report card (light)
------------------------------------------------------------------ */
.testimonial {
  background: var(--white);
  border: 1px solid var(--line-lt);
  padding: 1.9rem;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  position: relative;
}
.testimonial__num {
  position: absolute;
  top: 1.4rem;
  right: 1.5rem;
  font-weight: 700;
  font-size: 9.5px;
  letter-spacing: 0.18em;
  color: var(--line-lt-2);
  text-transform: uppercase;
}
.testimonial__stars { color: var(--red); letter-spacing: 0.14em; font-size: 0.9rem; }
.testimonial__quote {
  font-weight: 500;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--ink);
  flex: 1;
}
.testimonial__person {
  display: flex;
  gap: 0.85rem;
  align-items: center;
  border-top: 1px solid var(--line-lt);
  padding-top: 1.1rem;
}
.testimonial__avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--char);
  color: #fff;
  font-family: var(--f-display);
  font-weight: 800;
  font-size: 0.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex: none;
}
.testimonial__name { font-weight: 700; font-size: 0.92rem; color: var(--ink); }
.testimonial__meta {
  font-weight: 600;
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

/* ------------------------------------------------------------------
   Theory cards (spine selector page)
------------------------------------------------------------------ */
.theory-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.1rem;
}
@media (max-width: 860px) { .theory-grid { grid-template-columns: 1fr; } }
.theory-card {
  background: var(--white);
  border: 1px solid var(--line-lt);
  border-top: 3px solid var(--line-lt-2);
  padding: 1.8rem;
  transition: transform 0.25s var(--ease), border-top-color 0.25s var(--ease);
}
.theory-card:hover { transform: translateY(-4px); }
.theory-card.is-matched { border-top-color: var(--red); }
.theory-card__code {
  font-weight: 700;
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 0.9rem;
}
.theory-card.is-matched .theory-card__code { color: var(--red); }
.theory-card p { font-size: 0.92rem; color: var(--ink-soft); }

/* ------------------------------------------------------------------
   Reference table (spine chart)
------------------------------------------------------------------ */
.ref-table-wrap { overflow-x: auto; border: 1px solid var(--line-lt); background: var(--white); }
.ref-table {
  border-collapse: collapse;
  width: 100%;
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}
.ref-table th {
  font-weight: 700;
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-mute);
  background: var(--paper-2);
  padding: 0.85rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--line-lt);
  white-space: nowrap;
}
.ref-table td {
  padding: 0.7rem 1rem;
  border-bottom: 1px solid var(--line-lt);
  color: var(--ink);
  font-weight: 600;
  white-space: nowrap;
}
.ref-table tr:last-child td { border-bottom: none; }
.ref-table td:first-child { font-weight: 700; color: var(--ink-soft); }
.ref-table td.t-ok  { color: var(--ink); }
.ref-table td.t-na  { color: var(--ink-mute); opacity: 0.55; }   /* 500 — outside range */
.ref-table td.t-low { color: var(--red); opacity: 0.75; }        /* 200 — below range */

.spine-legend {
  display: flex;
  gap: 1.6rem;
  flex-wrap: wrap;
  margin-top: 1.4rem;
  font-weight: 600;
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.spine-legend .dot {
  display: inline-block;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  margin-right: 0.45rem;
  vertical-align: middle;
}
.spine-note {
  margin-top: 1rem;
  font-weight: 600;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--ink-mute);
  text-transform: uppercase;
}

/* Tab buttons */
.spine-tabs { display: flex; gap: 0.6rem; margin-bottom: 1.4rem; flex-wrap: wrap; }
.spine-tab-btn {
  border: 1px solid var(--line-lt-2);
  background: transparent;
  color: var(--ink-soft);
  padding: 0.75rem 1.4rem;
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  transition: all 0.2s var(--ease);
}
.spine-tab-btn:hover { border-color: var(--ink); color: var(--ink); }
.spine-tab-btn.is-active {
  background: var(--char);
  border-color: var(--char);
  color: #fff;
}
.spine-table-panel { display: none; }
.spine-table-panel.is-active { display: block; }

/* ------------------------------------------------------------------
   Plugin region shell (both tools) — dark stage for the calculators
------------------------------------------------------------------ */
.plugin-region {
  position: relative;
  background: var(--char);
  border: 1px solid var(--line-dk);
  padding: clamp(1.5rem, 4vw, 3rem);
  margin-top: 2rem;
}
.plugin-region__label {
  position: absolute;
  top: 0;
  left: 1.5rem;
  transform: translateY(-50%);
  background: var(--red);
  color: #fff;
  font-weight: 700;
  font-size: 9.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 0.4rem 0.9rem;
}

/* ------------------------------------------------------------------
   Info rows (contact page + reusable)
------------------------------------------------------------------ */
.info-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--line-lt);
  font-size: 0.92rem;
}
.info-row:last-child { border-bottom: none; }
.info-row .key {
  font-weight: 600;
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-mute);
  align-self: center;
}
.info-row .val { font-weight: 700; color: var(--ink); text-align: right; }
.info-row .val--online { color: #1F7A46; }

/* Status dot */
.dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--red);
}

/* ------------------------------------------------------------------
   Sold out state — series card
------------------------------------------------------------------ */
.series-card--soldout { opacity: 0.82; }
.series-card__badge--soldout {
  background: var(--char);
  color: var(--t-mute);
}
.btn--disabled {
  border-color: var(--line-lt-2);
  color: var(--ink-mute);
  cursor: not-allowed;
  pointer-events: none;
}