/* ==========================================================================
   Standby — Reusable components: buttons, pills, cards, badges, marquee
   ========================================================================== */

/* ---- Buttons ---- */
.btn {
  --btn-bg: var(--color-surface-2);
  --btn-fg: var(--text);
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.78rem 1.4rem;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: var(--text-sm);
  letter-spacing: -0.01em;
  color: var(--btn-fg);
  background: var(--btn-bg);
  border: 1px solid var(--color-hairline);
  white-space: nowrap;
  transition: transform var(--duration-fast) var(--ease-out-expo),
    background var(--duration-fast) ease, border-color var(--duration-fast) ease,
    box-shadow var(--duration-normal) var(--ease-out-expo);
  will-change: transform;
}

.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  --btn-bg: var(--signal);
  --btn-fg: var(--text-on-signal);
  border-color: transparent;
  box-shadow: 0 6px 20px -6px oklch(84% 0.18 152 / 0.55);
}

.btn--primary:hover {
  background: var(--signal-bright);
  box-shadow: 0 10px 34px -8px oklch(84% 0.18 152 / 0.7);
}

.btn--ghost {
  --btn-bg: transparent;
  border-color: var(--color-hairline-strong);
}

.btn--ghost:hover {
  background: oklch(100% 0 0 / 0.05);
  border-color: var(--color-hairline-strong);
}

.btn--lg {
  padding: 0.95rem 1.7rem;
  font-size: var(--text-base);
}

.btn--block { width: 100%; }

.btn__arrow {
  transition: transform var(--duration-fast) var(--ease-out-expo);
}

.btn:hover .btn__arrow { transform: translateX(3px); }

/* ---- Pills / badges ---- */
.pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-pill);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--text-soft);
  background: oklch(100% 0 0 / 0.04);
  border: 1px solid var(--color-hairline);
}

.pill--live {
  color: var(--signal);
  background: oklch(84% 0.18 152 / 0.1);
  border-color: oklch(84% 0.18 152 / 0.3);
}

.pill__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 0 0 currentColor;
  animation: pulse-dot 2s var(--ease-in-out) infinite;
}

/* ---- Surface card ---- */
.card {
  position: relative;
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, oklch(20% 0.016 250), oklch(16.5% 0.014 250));
  border: 1px solid var(--color-hairline);
  overflow: hidden;
  transition: border-color var(--duration-normal) var(--ease-out-expo),
    transform var(--duration-normal) var(--ease-out-expo);
}

/* pointer-follow glow used by JS (sets --mx/--my) */
.card--glow::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  opacity: 0;
  background: radial-gradient(
    360px circle at var(--mx, 50%) var(--my, 50%),
    oklch(84% 0.18 152 / 0.14),
    transparent 60%
  );
  transition: opacity var(--duration-normal) var(--ease-out-expo);
  pointer-events: none;
}

.card--glow:hover::before { opacity: 1; }
.card--glow:hover { border-color: var(--color-hairline-strong); }

/* ---- Marquee / logo strip ---- */
.marquee {
  position: relative;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}

.marquee__track {
  display: flex;
  width: max-content;
  gap: var(--space-8);
  align-items: center;
  animation: marquee 32s linear infinite;
}

.marquee:hover .marquee__track {
  animation-play-state: paused;
}

.marquee__item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--text-muted);
  white-space: nowrap;
  transition: color var(--duration-fast) ease;
}

.marquee__item:hover { color: var(--text); }

.marquee__item svg { opacity: 0.7; }

/* ---- Stat / metric ---- */
.metric__value {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 600;
  line-height: 1;
  letter-spacing: var(--tracking-tight);
  color: var(--text);
}

.metric__label {
  margin-top: var(--space-3);
  font-size: var(--text-sm);
  color: var(--text-muted);
}

/* ---- Icon chip ---- */
.icon-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: var(--radius-md);
  background: oklch(84% 0.18 152 / 0.1);
  border: 1px solid oklch(84% 0.18 152 / 0.25);
  color: var(--signal);
}

.icon-chip svg { width: 22px; height: 22px; }

.icon-chip--amber {
  background: oklch(83% 0.15 80 / 0.1);
  border-color: oklch(83% 0.15 80 / 0.25);
  color: var(--standby);
}

.icon-chip--cyan {
  background: oklch(82% 0.13 210 / 0.1);
  border-color: oklch(82% 0.13 210 / 0.25);
  color: var(--cyan);
}

.icon-chip--violet {
  background: oklch(72% 0.16 290 / 0.1);
  border-color: oklch(72% 0.16 290 / 0.25);
  color: var(--violet);
}

/* ---- Divider tag ---- */
.tag {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--text-faint);
}