/* Nebula — The Lab (tools hub) + tool pages. Reuses main.css tokens. */

.lab-hero { text-align: center; padding: 56px 24px 24px; }
.lab-hero__mark { font-size: 3.2rem; filter: drop-shadow(0 0 16px rgba(var(--accent-rgb), 0.5)); }
.lab-hero__title {
  font-size: clamp(2.4rem, 6vw, 3.4rem); font-weight: 900; margin: 10px 0 6px; letter-spacing: -0.02em;
  background: linear-gradient(92deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.lab-hero__sub { color: var(--muted); font-size: 1.05rem; margin: 0; }
.lab-stats { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-top: 18px; }
.lab-stat {
  padding: 7px 16px; border-radius: 999px; font-size: 0.85rem; font-weight: 700;
  background: rgba(255, 255, 255, 0.04); border: 1px solid rgba(255, 255, 255, 0.12); color: var(--muted);
}
.lab-stat--live { color: #58d68a; border-color: rgba(88, 214, 138, 0.4); background: rgba(88, 214, 138, 0.08); }
.lab-stat--accent { color: var(--accent); border-color: rgba(var(--accent-rgb), 0.4); background: rgba(var(--accent-rgb), 0.08); }

.lab-controls { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
.lab-search { position: relative; max-width: 880px; margin: 0 auto 18px; }
.lab-search__icon { position: absolute; left: 16px; top: 50%; transform: translateY(-50%); opacity: 0.6; }
.lab-search input {
  width: 100%; padding: 14px 16px 14px 44px; border-radius: 14px; font-size: 16px;
  background: var(--bg-soft); color: var(--text); border: 1px solid rgba(255, 255, 255, 0.1); outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.lab-search input:focus { border-color: var(--accent); box-shadow: 0 0 0 4px var(--ring); }

.lab-chips { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.lab-chip {
  display: inline-flex; align-items: center; gap: 7px; padding: 8px 15px; border-radius: 999px;
  background: rgba(255, 255, 255, 0.04); border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--muted); font: inherit; font-size: 0.85rem; font-weight: 600; cursor: pointer;
  transition: color 0.15s, background 0.15s, border-color 0.15s;
}
.lab-chip:hover { color: var(--text); border-color: rgba(255, 255, 255, 0.2); }
.lab-chip.is-active {
  color: #fff; background: linear-gradient(92deg, var(--accent), var(--accent-2));
  border-color: transparent;
}
.lab-chip__icon { font-size: 0.95rem; }

.lab-root { max-width: 1100px; margin: 0 auto; padding: 12px 24px 64px; }

.tool-section { margin-top: 36px; }
.tool-section__head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 16px; }
.tool-section__title { display: flex; align-items: center; gap: 12px; }
.tool-section__icon {
  display: inline-grid; place-items: center; width: 38px; height: 38px; border-radius: 11px; font-size: 1.1rem;
  background: linear-gradient(135deg, rgba(var(--accent-rgb), 0.22), rgba(var(--accent-2-rgb), 0.16));
}
.tool-section__title h2 { margin: 0; font-size: 1.25rem; font-weight: 800; }
.tool-section__title p { margin: 2px 0 0; color: var(--muted); font-size: 0.85rem; }
.tool-section__count { color: var(--muted); font-size: 0.82rem; white-space: nowrap; }

.tool-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; }

.tool-card {
  display: block; position: relative; background: var(--card); color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.06); border-radius: var(--radius); padding: 18px;
  transition: border-color 0.15s, transform 0.15s, box-shadow 0.15s;
}
.tool-card:hover { border-color: rgba(var(--accent-rgb), 0.5); transform: translateY(-3px); box-shadow: var(--shadow); }
.tool-card.is-soon { opacity: 0.55; cursor: default; }
.tool-card.is-soon:hover { transform: none; border-color: rgba(255, 255, 255, 0.06); box-shadow: none; }
.tool-card__head { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 14px; }
.tool-card__icon {
  display: inline-grid; place-items: center; width: 40px; height: 40px; border-radius: 11px; font-size: 1.2rem;
  background: linear-gradient(135deg, rgba(var(--accent-rgb), 0.2), rgba(var(--accent-2-rgb), 0.14));
}
.tool-card__badge { padding: 3px 10px; border-radius: 999px; font-size: 0.68rem; font-weight: 800; letter-spacing: 0.04em; }
.tool-card__badge.is-live { color: #58d68a; background: rgba(88, 214, 138, 0.12); border: 1px solid rgba(88, 214, 138, 0.4); }
.tool-card__badge.is-soon { color: var(--muted); background: rgba(255, 255, 255, 0.05); border: 1px solid rgba(255, 255, 255, 0.12); }
.tool-card__name { margin: 0 0 6px; font-size: 1.05rem; font-weight: 700; }
.tool-card__desc { margin: 0; color: var(--muted); font-size: 0.86rem; line-height: 1.5; }
.tool-card__go { position: absolute; right: 18px; bottom: 16px; color: var(--muted); transition: color 0.15s, transform 0.15s; }
.tool-card:hover .tool-card__go { color: var(--accent-2); transform: translateX(3px); }

.tool-empty { text-align: center; color: var(--muted); padding: 48px 0; }

/* =========================================================================
   Individual tool page (tool.html)
   ========================================================================= */
.tool-page { max-width: 640px; margin: 0 auto; padding: 32px 20px 80px; }
.tool-back { color: var(--accent-2); font-weight: 700; display: inline-block; margin-bottom: 18px; }
.tool-back:hover { text-decoration: underline; }
.tool-hero { text-align: center; margin-bottom: 26px; }
.tool-hero__icon { font-size: 2.6rem; }
.tool-hero h1 { margin: 8px 0 4px; font-size: 1.8rem; font-weight: 900; }
.tool-hero p { margin: 0; color: var(--muted); }

.tool-panel {
  background: var(--card); border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: calc(var(--radius) + 4px); padding: 28px; text-align: center;
}
.tool-result { font-size: clamp(2.2rem, 8vw, 3.6rem); font-weight: 900; margin: 8px 0 18px; min-height: 1.2em; word-break: break-word; }
.tool-result--sm { font-size: 1.4rem; }
.tool-sub { color: var(--muted); margin: 0 0 18px; font-size: 0.95rem; }
.tool-row { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; align-items: center; }
.tool-field { display: flex; flex-direction: column; gap: 6px; text-align: left; }
.tool-field label { font-size: 0.8rem; color: var(--muted); font-weight: 600; }
.tool-input, .tool-textarea, .tool-select {
  background: var(--bg-soft); color: var(--text); border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px; padding: 11px 14px; font: inherit; font-size: 16px; outline: none;
}
.tool-input:focus, .tool-textarea:focus, .tool-select:focus { border-color: var(--accent); box-shadow: 0 0 0 4px var(--ring); }
.tool-textarea { width: 100%; min-height: 120px; resize: vertical; }
.tool-stat-row { display: flex; flex-wrap: wrap; gap: 18px; justify-content: center; margin-top: 18px; color: var(--muted); font-size: 0.9rem; }
.tool-stat-row b { color: var(--accent-2); font-variant-numeric: tabular-nums; }
.tool-swatch { width: 100%; height: 120px; border-radius: 12px; border: 1px solid rgba(255, 255, 255, 0.12); margin-bottom: 16px; }
.tool-target {
  width: 56px; height: 56px; border-radius: 50%; position: absolute; cursor: pointer;
  background: radial-gradient(circle at 35% 35%, var(--accent-2), var(--accent));
  box-shadow: 0 0 18px rgba(var(--accent-rgb), 0.6);
}
.tool-arena { position: relative; height: 280px; background: var(--bg-soft); border-radius: 14px; border: 1px solid rgba(255,255,255,0.1); overflow: hidden; }

@media (max-width: 560px) {
  .lab-hero { padding: 40px 16px 18px; }
  .lab-controls, .lab-root { padding-left: 16px; padding-right: 16px; }
  .tool-section__head { flex-direction: column; align-items: flex-start; gap: 4px; }
}