/* ============================================================
   Atomify · v2 · masa (page)
   ------------------------------------------------------------
   Page-specific styles only. Relies on core.css + components.css.
   ============================================================ */

/* ─── 1 · Form layout ───────────────────────────────── */
.masa-form { display: block; }

.masa-form-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: stretch;
}
@media (max-width: 720px) {
  .masa-form-row { grid-template-columns: 1fr; }
  .masa-form-row .btn-cta { width: 100%; }
}

.masa-form-aux {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 14px;
}
.masa-hint {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  color: var(--ink-muted);
}
.masa-hint sub { font-size: 0.85em; vertical-align: -0.25em; }
@media (max-width: 540px) {
  .masa-form-aux {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
}

/* ─── 2 · Specimen grid ─────────────────────────────── */
.specimen-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  border: 1px solid var(--line);
  border-radius: var(--r-3);
  overflow: hidden;
  background: var(--paper-2);
}

.specimen {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1.25rem;
  padding: 1.2rem 1.1rem 1rem;
  min-height: 138px;
  background: var(--paper-2);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  color: inherit;
  margin: 0;
  transition: background-color 180ms ease, transform 120ms var(--ease-soft);
}
.specimen:hover { background: var(--paper); z-index: 2; }
.specimen:hover .specimen-formula { color: var(--green-deep); }
[data-theme="dark"] .specimen:hover .specimen-formula,
body.dark-mode .specimen:hover .specimen-formula { color: var(--green); }
.specimen:active { transform: translateY(1px); }
.specimen:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: -2px;
  z-index: 3;
}

.specimen-num {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  color: var(--ink-muted);
  text-transform: uppercase;
}
.specimen-formula {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.55rem;
  letter-spacing: -0.015em;
  color: var(--ink);
  line-height: 1;
  transition: color 180ms ease;
}
.specimen-formula sub {
  font-size: 0.6em;
  font-weight: 500;
  vertical-align: -0.18em;
}
.specimen-name {
  font-family: var(--font-body);
  font-size: 0.82rem;
  color: var(--ink-soft);
  line-height: 1.3;
}

/* ─── 3 · Result panel ─────────────────────────────── */
.result-panel {
  margin-top: 1.5rem;
  border: 1px solid var(--line);
  border-radius: var(--r-4);
  background: var(--paper-2);
  overflow: hidden;
  animation: result-rise 0.5s var(--ease-out) both;
}
@keyframes result-rise {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.result-head {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1.5rem;
  padding: 1.5rem 1.75rem;
  border-bottom: 1px solid var(--line);
  align-items: end;
}
.result-formula-label,
.result-mass-label {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-muted);
  display: block;
  margin-bottom: 0.5rem;
}
.result-formula {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  letter-spacing: -0.02em;
  line-height: 1;
  color: var(--ink);
  word-break: break-word;
}
.result-formula sub {
  font-size: 0.55em;
  font-weight: 500;
  vertical-align: -0.2em;
}
.result-mass-block {
  text-align: right;
  white-space: nowrap;
}
.result-mass {
  font-family: var(--font-mono);
  font-feature-settings: "tnum";
  font-weight: 500;
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  letter-spacing: -0.02em;
  color: var(--green-deep);
  line-height: 1;
}
[data-theme="dark"] .result-mass,
body.dark-mode .result-mass { color: var(--green); }
.result-mass-unit {
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--ink-muted);
  margin-left: 0.4rem;
  font-weight: 400;
}
.result-mass-rounded {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--ink-muted);
  margin-top: 0.4rem;
}
@media (max-width: 720px) {
  .result-head { grid-template-columns: 1fr; }
  .result-mass-block { text-align: left; }
}

/* Composition rows inside the table */
.composition-symbol {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}
.composition-name {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1rem;
  letter-spacing: -0.005em;
  color: var(--ink);
}
.composition-symbol-text {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--ink-muted);
  letter-spacing: 0.05em;
  display: block;
  margin-top: 2px;
}

/* Per-row percent indicator */
.pct-cell {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.85rem;
  min-width: 160px;
}
.pct-bar {
  flex: 1;
  height: 4px;
  max-width: 110px;
  background: var(--paper-3);
  border-radius: 2px;
  overflow: hidden;
  position: relative;
}
.pct-bar::after {
  content: '';
  display: block;
  height: 100%;
  width: var(--pct, 0%);
  background: linear-gradient(90deg, var(--green-deep), var(--green));
  border-radius: 2px;
  transition: width 600ms var(--ease-out);
}
[data-theme="dark"] .pct-bar::after,
body.dark-mode .pct-bar::after {
  background: linear-gradient(90deg, var(--green), var(--green-bright));
}