/* ─────────────────────────────────────────
   pages/decoder.css — Hidden in Numbers
   Interactive decoder tool page
───────────────────────────────────────── */

/* ════════════════════════════════════════
   DECODER HERO
════════════════════════════════════════ */
.decoder-hero {
  position: relative;
  padding: calc(var(--nav-height) + clamp(3rem, 8vh, 6rem)) var(--container-pad) clamp(3rem, 6vh, 5rem);
  border-bottom: 1px solid var(--color-border);
  overflow: hidden;
}

#decoder-hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.1;
}

.decoder-hero-inner {
  position: relative;
  z-index: 2;
}

.decoder-hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 7vw, 6rem);
  font-weight: 700;
  color: var(--color-white);
  text-transform: uppercase;
  line-height: 0.9;
  letter-spacing: -0.02em;
}

.decoder-hero-title span { color: var(--color-accent); }

.decoder-hero-sub {
  font-size: var(--text-sm);
  color: var(--color-text-mid);
  line-height: 1.8;
  margin-top: var(--space-6);
  max-width: 500px;
}

/* ════════════════════════════════════════
   DECODER TOOL SECTIONS — shared
════════════════════════════════════════ */
.decoder-section {
  padding: clamp(3rem, 6vh, 5rem) var(--container-pad);
  border-bottom: 1px solid var(--color-border);
}

.decoder-section-label {
  font-size: 10px;
  letter-spacing: 0.3em;
  color: var(--color-accent);
  text-transform: uppercase;
  margin-bottom: var(--space-3);
}

.decoder-section-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--color-white);
  text-transform: uppercase;
  margin-bottom: var(--space-8);
}

/* ── Tool card container ── */
.tool-card {
  border: 1px solid var(--color-border);
  max-width: 760px;
}

.tool-card-header {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  background: var(--color-surface);
}

.tool-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
}

.tool-card-title {
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--color-text-mid);
  text-transform: uppercase;
}

.tool-card-body {
  padding: 1.5rem;
}

/* ── Inputs ── */
.decoder-input {
  width: 100%;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text-main);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.05em;
  padding: 0.875rem 1rem;
  resize: none;
  transition: border-color var(--transition-base);
  cursor: text;
}

.decoder-input:focus {
  border-color: var(--color-accent-border);
  outline: none;
}

.decoder-input::placeholder {
  color: var(--color-text-dim);
}

/* ── Output area ── */
.decoder-output {
  margin-top: var(--space-4);
  min-height: 80px;
  padding: 1rem;
  border: 1px solid var(--color-border);
  background: var(--color-deep);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-accent);
  letter-spacing: 0.05em;
  line-height: 1.8;
  position: relative;
  transition: border-color var(--transition-base);
}

.decoder-output.has-result {
  border-color: var(--color-accent-border);
}

.decoder-output-label {
  position: absolute;
  top: -1px;
  left: 1rem;
  font-size: 9px;
  letter-spacing: 0.25em;
  color: var(--color-text-dim);
  text-transform: uppercase;
  background: var(--color-deep);
  padding: 0 4px;
  transform: translateY(-50%);
}

.decoder-output-text {
  color: var(--color-accent);
  word-break: break-all;
}

.decoder-output-text.empty {
  color: var(--color-text-dim);
  font-style: italic;
}

/* Decode button */
.decode-btn {
  margin-top: var(--space-4);
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.75rem 1.75rem;
  background: var(--color-accent);
  color: var(--color-black);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  font-weight: 700;
  cursor: none;
  transition: background var(--transition-fast);
}
.decode-btn:hover { background: #00e639; }

/* Copy button */
.copy-btn {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.2em;
  color: var(--color-text-dim);
  text-transform: uppercase;
  padding: 4px 10px;
  border: 1px solid var(--color-border);
  background: transparent;
  cursor: none;
  transition: color var(--transition-fast), border-color var(--transition-fast);
  margin-top: var(--space-3);
}
.copy-btn:hover { color: var(--color-accent); border-color: var(--color-accent-border); }
.copy-btn.copied { color: var(--color-accent); }

/* ── Product lookup dropdown ── */
.decoder-select {
  width: 100%;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text-main);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.05em;
  padding: 0.875rem 1rem;
  cursor: none;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%2300ff41' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 10px;
  transition: border-color var(--transition-base);
}
.decoder-select:focus { border-color: var(--color-accent-border); outline: none; }

/* ── Product story reveal ── */
.product-story {
  margin-top: var(--space-6);
  padding: 1.5rem;
  border: 1px solid var(--color-accent-border);
  display: none;
}

.product-story.visible { display: block; animation: fadeIn 0.4s var(--ease); }

.product-story-title {
  font-size: 10px;
  letter-spacing: 0.3em;
  color: var(--color-accent);
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}

.product-story-content {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  line-height: 2;
  color: var(--color-text-main);
  white-space: pre-line;
}

/* ── Map container ── */
.coord-inputs {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: var(--space-3);
  align-items: end;
  margin-bottom: var(--space-4);
}

.map-wrapper {
  height: 300px;
  border: 1px solid var(--color-border);
  margin-top: var(--space-4);
  filter: grayscale(0.3) invert(0.9) hue-rotate(150deg);
  display: none;
}
.map-wrapper.visible { display: block; }

/* ════════════════════════════════════════
   RESPONSIVE
════════════════════════════════════════ */
@media (max-width: 640px) {
  .coord-inputs {
    grid-template-columns: 1fr 1fr;
  }
  .coord-inputs .decode-btn {
    grid-column: 1 / -1;
  }
}