/* ==========================================================
   SANDHI — Styles  (uses app design tokens throughout)
   ========================================================== */

.sn-shell {
  max-width: 680px;
  margin: 0 auto;
  padding: 0 1.25rem 4rem;
}

/* ── Header ──────────────────────────────────────────────── */
.sn-header {
  text-align: center;
  padding: 3rem 1rem 2.25rem;
  border-bottom: 1px solid var(--color-border);
}
.sn-header__deva {
  font-size: 4rem;
  color: var(--color-gold);
  line-height: 1;
  margin-bottom: 0.4rem;
}
.sn-header__title {
  font-size: 1.4rem;
  font-weight: 300;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-text);
  margin: 0 0 0.35rem;
  font-family: var(--font-ui);
}
.sn-header__sub {
  color: var(--color-text-muted);
  font-size: 0.85rem;
  letter-spacing: 0.07em;
  margin: 0;
}

/* ── Card ────────────────────────────────────────────────── */
.sn-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 14px;
  padding: 2rem;
  margin-top: 2rem;
}

/* ── Inputs ──────────────────────────────────────────────── */
.sn-inputs {
  display: flex;
  gap: 1rem;
  align-items: flex-end;
  flex-wrap: wrap;
}
.sn-input-group { flex: 1; min-width: 130px; }

.sn-label {
  display: block;
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 0.45rem;
  font-family: var(--font-ui);
}
.sn-input {
  width: 100%;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.65rem 0.9rem;
  color: var(--color-text);
  font-size: 1.1rem;
  font-family: var(--font-ui);
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
  -webkit-appearance: none;
}
.sn-input:focus {
  border-color: var(--color-gold);
  box-shadow: 0 0 0 3px var(--color-gold-glow);
}
.sn-input::placeholder { color: var(--color-text-faint); }

.sn-plus {
  color: var(--color-text-faint);
  font-size: 1.6rem;
  font-weight: 300;
  padding-bottom: 0.55rem;
  user-select: none;
  flex-shrink: 0;
}
#sn-apply { flex-shrink: 0; letter-spacing: 0.08em; }

/* ── Result ──────────────────────────────────────────────── */
.sn-result {
  margin-top: 2rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--color-border);
  animation: sn-fade-in 0.3s ease;
}
@keyframes sn-fade-in {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}
.sn-result__label {
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  text-align: center;
  margin-bottom: 0.7rem;
  font-family: var(--font-ui);
}
.sn-result__word {
  font-size: 2.4rem;
  font-weight: 300;
  letter-spacing: 0.05em;
  line-height: 1.25;
  text-align: center;
  margin-bottom: 0.6rem;
  color: var(--color-text);
  font-family: var(--font-ui);
}

/* Junction highlight — ruby in light, white+underline in dark */
.sn-junction-glow {
  color: var(--color-ruby);
  border-bottom: 2px solid var(--color-ruby-soft);
  padding-bottom: 1px;
  font-weight: 600;
}
[data-theme="dark"] .sn-junction-glow,
:root:not([data-theme]) .sn-junction-glow {
  color: var(--color-text-inverse);
  border-bottom-color: var(--color-gold-bright);
}

.sn-result__source {
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.95rem;
  font-style: italic;
  margin-bottom: 1rem;
}
.sn-result__formula { text-align: center; margin-bottom: 1rem; }
.sn-formula {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.3rem 0.9rem;
  font-family: 'Courier New', Courier, monospace;
  font-size: 0.95rem;
  color: var(--color-gold);
  letter-spacing: 0.05em;
}
.sn-result__badge-row { text-align: center; margin-bottom: 0.9rem; }
.sn-result__explanation {
  color: var(--color-text-muted);
  font-size: 0.92rem;
  line-height: 1.75;
  font-style: italic;
  text-align: center;
  max-width: 480px;
  margin: 0 auto;
}

/* ── Badges — all use app palette, no hardcoded greens ────── */
.sn-badge {
  display: inline-block;
  border-radius: var(--radius-full);
  padding: 0.2rem 0.85rem;
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-family: var(--font-ui);
  font-weight: 500;
  border: 1px solid;
}
.sn-badge--vowel-same     { background: var(--color-purple-deep);  border-color: var(--color-purple-soft); color: var(--color-purple-glow); }
.sn-badge--vowel-guna     { background: var(--color-gold-deep);    border-color: var(--color-gold);        color: var(--color-gold-glow);   }
.sn-badge--vowel-vrddhi   { background: var(--color-ruby-deep);    border-color: var(--color-ruby-soft);   color: var(--color-ruby-glow);   }
.sn-badge--vowel-yan      { background: var(--color-orange-deep);  border-color: var(--color-orange-soft); color: var(--color-orange-glow); }
.sn-badge--vowel-purvarupa{ background: var(--color-purple-deep);  border-color: var(--color-purple);      color: var(--color-purple-glow); }
.sn-badge--visarga        { background: var(--color-ruby-deep);    border-color: var(--color-ruby);        color: var(--color-ruby-glow);   }
.sn-badge--anusvara       { background: var(--color-purple-deep);  border-color: var(--color-purple-soft); color: var(--color-purple-glow); }
.sn-badge--consonant      { background: var(--color-orange-deep);  border-color: var(--color-orange);      color: var(--color-orange-glow); }
.sn-badge--none           { background: var(--color-surface-offset); border-color: var(--color-divider);   color: var(--color-text-muted);  }

/* ── Sections ────────────────────────────────────────────── */
.sn-section { margin-top: 2rem; }
.sn-section__head {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 0.9rem;
}
.sn-section__title {
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  flex-shrink: 0;
  font-family: var(--font-ui);
}

/* ── Filters ─────────────────────────────────────────────── */
.sn-filters { display: flex; gap: 0.4rem; flex-wrap: wrap; }
.sn-filter-btn { padding: 0.18rem 0.75rem !important; font-size: 0.75rem !important; }
.sn-filter-btn--active {
  border-color: var(--color-gold) !important;
  color: var(--color-gold) !important;
  background: var(--color-gold-glow) !important;
}

/* ── Example grid ────────────────────────────────────────── */
.sn-examples {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(152px, 1fr));
  gap: 0.45rem;
}
.sn-ex-btn {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.6rem 0.75rem;
  cursor: pointer;
  text-align: left;
  transition: border-color 0.15s, background 0.15s;
  font-family: var(--font-ui);
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}
.sn-ex-btn:hover {
  border-color: var(--color-gold);
  background: var(--color-surface-offset);
}
.sn-ex-tag  { display: block; font-size: 0.68rem; color: var(--color-gold); font-family: 'Courier New', Courier, monospace; letter-spacing: 0.03em; }
.sn-ex-words { display: block; font-size: 0.85rem; color: var(--color-text); }
.sn-ex-cat  { display: block; font-size: 0.68rem; color: var(--color-text-muted); }

/* ── Reference toggle with lotus ─────────────────────────── */
.sn-ref-toggle {
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.7rem 1.15rem;
  cursor: pointer;
  color: var(--color-text-muted);
  font-family: var(--font-ui);
  font-size: 0.88rem;
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  width: 100%;
  transition: border-color 0.2s, color 0.2s;
}
.sn-ref-toggle:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
}
.sn-ref-toggle__lotus {
  flex-shrink: 0;
  transition: transform 0.25s ease, opacity 0.2s;
  opacity: 0.7;
}
.sn-ref-toggle:hover .sn-ref-toggle__lotus {
  opacity: 1;
  color: var(--color-gold);
}

/* ── Reference table ─────────────────────────────────────── */
.sn-ref-body {
  border: 1px solid var(--color-border);
  border-top: none;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  overflow: hidden;
}
.sn-ref-table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.sn-ref-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.83rem;
  min-width: 500px;
  background: var(--color-surface);
}
.sn-th {
  padding: 0.6rem 0.85rem;
  text-align: left;
  color: var(--color-gold);
  font-weight: 400;
  letter-spacing: 0.09em;
  font-size: 0.67rem;
  text-transform: uppercase;
  font-family: var(--font-ui);
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
}
.sn-td {
  padding: 0.5rem 0.85rem;
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
}
.sn-row-alt { background: var(--color-surface-offset); }
.sn-td--name    { color: var(--color-text); font-weight: 600; white-space: nowrap; }
.sn-td--type    { color: var(--color-text-muted); font-family: var(--font-ui); font-size: 0.76rem; }
.sn-td--pattern { color: var(--color-gold); font-family: 'Courier New', Courier, monospace; white-space: nowrap; }
.sn-td--note    { color: var(--color-text-muted); font-style: italic; }

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 520px) {
  .sn-card { padding: 1.25rem; }
  .sn-inputs { gap: 0.75rem; }
  .sn-result__word { font-size: 1.8rem; }
  .sn-header__deva { font-size: 3rem; }
  #sn-apply { width: 100%; text-align: center; }
}