/* ==========================================================
   CMNS FIX MAC — Tester Hub + shared tool chrome
   HIG design-tokens based. Prefix: ts-
   ========================================================== */

.ts-main {
  position: relative;
  isolation: isolate;
  min-height: 100vh;
  background: var(--bg-page);
  color: var(--text-primary);
  font-family: var(--font);
  padding-bottom: var(--sp-24);
}

/* ── Faint grid backdrop ── */
.ts-main::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(to right, var(--border) 1px, transparent 1px),
    linear-gradient(to bottom, var(--border) 1px, transparent 1px);
  background-size: 56px 56px;
  opacity: 0.6;
  pointer-events: none;
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 25%, #000 45%, transparent 92%);
          mask-image: radial-gradient(ellipse 90% 70% at 50% 25%, #000 45%, transparent 92%);
}

/* ── Floating background orbs ── */
.ts-orbs {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}
.ts-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(64px);
  opacity: 0.30;
  will-change: transform;
}
.ts-orb-1 {
  width: 360px; height: 360px; left: -70px; top: 60px;
  background: radial-gradient(circle, var(--accent), transparent 70%);
  animation: ts-float-a 22s ease-in-out infinite;
}
.ts-orb-2 {
  width: 280px; height: 280px; right: -50px; top: 30px;
  background: radial-gradient(circle, rgba(252,116,4,0.55), transparent 70%);
  animation: ts-float-b 27s ease-in-out infinite;
}
.ts-orb-3 {
  width: 320px; height: 320px; left: 42%; bottom: -90px;
  background: radial-gradient(circle, var(--accent), transparent 70%);
  animation: ts-float-c 31s ease-in-out infinite;
}
.ts-orb-4 {
  width: 190px; height: 190px; right: 26%; top: 48%;
  background: radial-gradient(circle, rgba(252,116,4,0.45), transparent 70%);
  animation: ts-float-a 19s ease-in-out infinite reverse;
}

@keyframes ts-float-a {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50%      { transform: translate(42px, -34px) scale(1.12); }
}
@keyframes ts-float-b {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50%      { transform: translate(-52px, 40px) scale(1.06); }
}
@keyframes ts-float-c {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%      { transform: translate(34px, 22px) scale(1.08); }
  66%      { transform: translate(-30px, -14px) scale(0.94); }
}
@media (prefers-reduced-motion: reduce) {
  .ts-orb { animation: none !important; }
}

/* ── Hero ── */
.ts-hero {
  position: relative;
  z-index: 1;
  overflow: hidden;
  padding: calc(var(--nav-h) + var(--sp-16)) var(--sp-6) var(--sp-16);
  text-align: center;
}
.ts-hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(60% 80% at 50% 0%, var(--accent-light), transparent 70%),
    radial-gradient(40% 60% at 85% 20%, rgba(252,116,4,0.06), transparent 70%);
  pointer-events: none;
}
.ts-hero-inner { position: relative; max-width: var(--max-w-narrow); margin: 0 auto; }

.ts-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-4);
  border-radius: var(--r-full);
  background: var(--bg-glass);
  border: 1px solid var(--border);
  backdrop-filter: var(--nav-blur);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: var(--sp-5);
}
.ts-eyebrow .material-symbols-rounded { font-size: 18px; color: var(--accent); }

.ts-h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 6vw, var(--text-5xl));
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin: 0 0 var(--sp-4);
}
.ts-h1-accent { color: var(--accent); }

.ts-sub {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  max-width: 38ch;
  margin: 0 auto;
  line-height: 1.5;
}

/* ── Tool bento ── */
.ts-grid-wrap { position: relative; z-index: 1; max-width: var(--max-w); margin: 0 auto; padding: 0 var(--sp-6); }
.ts-bento {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-4);
  margin-top: var(--sp-6);
}

.ts-tile {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  min-height: 188px;
  padding: var(--sp-6);
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--r-2xl);
  box-shadow: var(--shadow-sm);
  text-decoration: none;
  color: inherit;
  overflow: hidden;
  isolation: isolate;
  transition: transform var(--dur-base) var(--ease-spring),
              box-shadow var(--dur-base) var(--ease),
              border-color var(--dur-base) var(--ease);
}
.ts-tile::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: radial-gradient(120% 120% at 100% 0%, var(--accent-light), transparent 55%);
  opacity: 0;
  transition: opacity var(--dur-base) var(--ease);
}
.ts-tile:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent);
}
.ts-tile:hover::after { opacity: 1; }

.ts-tile-icon {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: var(--r-lg);
  background: var(--accent-light);
  color: var(--accent);
  flex-shrink: 0;
}
.ts-tile-icon .material-symbols-rounded { font-size: 28px; }

.ts-tile-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0;
}
.ts-tile-desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.5;
  margin: 0;
}
.ts-tile-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--accent);
  margin-top: auto;
}
.ts-tile-cta .material-symbols-rounded {
  font-size: 18px;
  transition: transform var(--dur-base) var(--ease);
}
.ts-tile:hover .ts-tile-cta .material-symbols-rounded { transform: translateX(4px); }

/* Feature tiles — span 2 columns, icon beside text */
.ts-tile.is-feature {
  grid-column: span 2;
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto 1fr;
  column-gap: var(--sp-5);
  row-gap: var(--sp-3);
  align-content: center;
}
.ts-tile.is-feature .ts-tile-icon {
  grid-row: 1 / span 3;
  align-self: start;
  width: 64px;
  height: 64px;
}
.ts-tile.is-feature .ts-tile-icon .material-symbols-rounded { font-size: 34px; }
.ts-tile.is-feature .ts-tile-title { grid-column: 2; font-size: var(--text-2xl); align-self: end; }
.ts-tile.is-feature .ts-tile-desc  { grid-column: 2; max-width: 44ch; }
.ts-tile.is-feature .ts-tile-cta   { grid-column: 2; margin-top: var(--sp-1); align-self: start; }

/* Responsive */
@media (max-width: 900px) {
  .ts-bento { grid-template-columns: repeat(2, 1fr); }
  .ts-tile.is-feature { grid-column: span 2; }
}
@media (max-width: 560px) {
  .ts-bento { grid-template-columns: 1fr; }
  .ts-tile, .ts-tile.is-feature { grid-column: auto; }
  .ts-tile.is-feature { display: flex; flex-direction: column; }
  .ts-tile.is-feature .ts-tile-icon { grid-row: auto; }
}

/* ── Tip strip ── */
.ts-tip {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  max-width: var(--max-w);
  margin: var(--sp-12) auto 0;
  padding: var(--sp-5) var(--sp-6);
  background: var(--bg-surface-alt);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
}
.ts-tip .material-symbols-rounded { color: var(--accent); flex-shrink: 0; }
.ts-tip p { margin: 0; font-size: var(--text-sm); color: var(--text-secondary); line-height: 1.55; }

/* ==========================================================
   Shared tool chrome — reuse in individual tester pages
   ========================================================== */
.ts-tool-welcome {
  max-width: var(--max-w-narrow);
  margin: 0 auto;
  padding: calc(var(--nav-h) + var(--sp-12)) var(--sp-6) var(--sp-16);
  text-align: center;
}
.ts-tool-welcome h1 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 5vw, var(--text-4xl));
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 var(--sp-4);
}
.ts-tool-welcome p {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  line-height: 1.55;
  margin: 0 auto var(--sp-3);
  max-width: 46ch;
}

.ts-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-8);
  border: none;
  border-radius: var(--r-full);
  background: var(--accent);
  color: var(--text-inverse);
  font-family: var(--font);
  font-size: var(--text-base);
  font-weight: 600;
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease),
              transform var(--dur-fast) var(--ease),
              box-shadow var(--dur-fast) var(--ease);
  box-shadow: 0 4px 14px var(--accent-shadow);
}
.ts-btn:hover { background: var(--accent-dark); transform: translateY(-2px); box-shadow: 0 6px 20px var(--accent-shadow); }
.ts-btn:active { transform: translateY(0); }

.ts-btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-5);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-full);
  background: var(--bg-glass);
  color: var(--text-primary);
  font-family: var(--font);
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: pointer;
  backdrop-filter: var(--nav-blur);
  transition: border-color var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}
.ts-btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

.ts-back-fab {
  position: fixed;
  top: calc(var(--nav-h) + var(--sp-3));
  left: var(--sp-4);
  z-index: 50;
}