/* ============================================================
   DopamineDriven — Crisis Library / SIGNAL
   Full-viewport cinematic moment viewer.
   All rules scoped to #dd-signal-app to stay isolated
   from the rest of the native design system.
   ============================================================ */

/* ── CSS custom property (set dynamically by JS) ── */
:root {
  --signal-color: #22D3EE;
}

/* ── Lift native nav above SIGNAL overlay ───────────────── */
.dd-nav {
  z-index: 10000;
}

/* ── Full-page overlay — sits below native nav ──────────── */
#dd-signal-app {
  position: fixed;
  top: var(--nav-h, 87px);
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 9999;
  background: #080808;
  color: #EFEFEF;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  overflow: hidden;
  user-select: none;
  cursor: default;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Admin bar shifts everything down an extra 32px */
.admin-bar #dd-signal-app {
  top: calc(var(--nav-h, 87px) + 32px);
}

/* Scoped reset — zero specificity via :where() so component classes always win */
:where(#dd-signal-app *),
:where(#dd-signal-app *::before),
:where(#dd-signal-app *::after) {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

/* ── Top progress bar ───────────────────────────────────── */
.dd-signal-progress {
  position: absolute;
  top: 0; left: 0;
  height: 2px;
  width: 0%;
  background: var(--signal-color);
  transition:
    width      0.5s cubic-bezier(0.16, 1, 0.3, 1),
    background 0.6s ease;
  z-index: 100;
}

/* ── Ambient colour bloom ───────────────────────────────── */
.dd-signal-bloom {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  will-change: transform;
}

.dd-signal-bloom::after {
  content: '';
  position: absolute;
  width: 70vmax; height: 70vmax;
  border-radius: 50%;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, var(--signal-color) 0%, transparent 70%);
  opacity: 0.045;
  transition: background 0.8s ease;
  pointer-events: none;
}

/* ── Category watermark ─────────────────────────────────── */
.dd-signal-watermark {
  position: absolute;
  right: -0.15em;
  top: 50%;
  transform: translateY(-50%) rotate(90deg);
  transform-origin: center center;
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: clamp(5rem, 12vw, 10rem);
  color: var(--signal-color);
  opacity: 0.06;
  letter-spacing: -0.02em;
  white-space: nowrap;
  pointer-events: none;
  z-index: 0;
  transition: color 0.6s ease;
}

/* ── Nav ────────────────────────────────────────────────── */
.dd-signal-nav {
  position: absolute;
  top: 0; left: 0; right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--wrap, 1400px);
  margin-inline: auto;
  padding: 1.75rem clamp(1.5rem, 5vw, 4rem);
  z-index: 50;
  gap: 1.5rem;
}

.dd-signal-logo {
  font-family: 'JetBrains Mono', 'Courier New', monospace;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(239, 239, 239, 0.42);
  text-decoration: none;
  transition: color 0.2s ease;
  white-space: nowrap;
  flex-shrink: 0;
}
.dd-signal-logo:hover { color: rgba(239, 239, 239, 0.7); }
.dd-signal-logo:focus-visible {
  outline: 1px solid var(--signal-color);
  outline-offset: 3px;
  border-radius: 2px;
}

/* Category filter buttons */
.dd-signal-cats {
  display: flex;
  gap: 0.45rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.dd-signal-cat-btn {
  font-family: 'JetBrains Mono', 'Courier New', monospace;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(239, 239, 239, 0.38);
  background: none;
  border: 1px solid rgba(239, 239, 239, 0.12);
  border-radius: 3px;
  padding: 0.38rem 0.7rem;
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
  white-space: nowrap;
  line-height: 1;
}
.dd-signal-cat-btn:hover {
  color: rgba(239, 239, 239, 0.8);
  border-color: rgba(239, 239, 239, 0.35);
}
.dd-signal-cat-btn.is-active {
  color: #080808;
  background: var(--signal-color);
  border-color: var(--signal-color);
  transition: color 0.35s ease, border-color 0.35s ease, background 0.35s ease;
}
.dd-signal-cat-btn:focus-visible {
  outline: 1px solid var(--signal-color);
  outline-offset: 2px;
}

/* ── Stage ──────────────────────────────────────────────── */
.dd-signal-stage {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  width: 100%;
  max-width: var(--wrap, 1400px);
  margin-inline: auto;
  padding: 6rem clamp(1.5rem, 5vw, 4rem) 10rem;
  z-index: 10;
  outline: none;
}

/* Category label */
.dd-signal-cat-label {
  font-family: 'JetBrains Mono', 'Courier New', monospace;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--signal-color);
  margin-bottom: 1.75rem;
  opacity: 0;
  transition: opacity 0.5s ease, transform 0.5s ease, color 0.5s ease;
}

/* Moment text — the hero element */
.dd-signal-moment-text {
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  font-size: clamp(2.4rem, 5.5vw, 5.5rem);
  line-height: 1.08;
  letter-spacing: -0.025em;
  color: #FFFFFF;
  max-width: 14em;
  position: relative;
  z-index: 1;
}

/* ── Context expand panel ───────────────────────────────── */
.dd-signal-context {
  margin-top: 2.25rem;
  max-width: 38em;
  opacity: 0;
  max-height: 0;
  overflow: hidden;
  transition: opacity 0.4s ease, max-height 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}
.dd-signal-context.is-visible {
  opacity: 1;
  max-height: 22rem;
}

/* Neuro note */
.dd-signal-ctx-neuro {
  font-size: clamp(0.82rem, 1.25vw, 0.92rem);
  line-height: 1.68;
  color: rgba(239, 239, 239, 0.42);
  font-style: italic;
  margin-bottom: 1.25rem;
}

/* Right-now action */
.dd-signal-ctx-now {
  font-size: clamp(0.9rem, 1.45vw, 1.05rem);
  line-height: 1.72;
  color: rgba(239, 239, 239, 0.82);
}
.dd-signal-ctx-now strong {
  color: var(--signal-color);
  font-weight: 700;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.6em;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 0.5rem;
}
.dd-signal-ctx-now span { display: block; }

/* ── Tool CTA ───────────────────────────────────────────── */
.dd-signal-tool-cta {
  display: none; /* JS toggles to flex */
  align-items: center;
  gap: 1.25rem;
  margin-top: 2rem;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.dd-signal-tool-cta.is-visible { opacity: 1; }

.dd-signal-btn-tool {
  display: inline-flex;
  align-items: center;
  font-family: 'JetBrains Mono', 'Courier New', monospace;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #080808;
  background: var(--signal-color);
  border: none;
  border-radius: 4px;
  padding: 0.65rem 1.35rem;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.4s ease, opacity 0.2s ease, transform 0.15s ease;
  white-space: nowrap;
  line-height: 1;
}
.dd-signal-btn-tool:hover {
  opacity: 0.88;
  transform: translateY(-1px);
  color: #080808;
}
.dd-signal-btn-tool:focus-visible {
  outline: 2px solid var(--signal-color);
  outline-offset: 3px;
}

.dd-signal-tool-hint {
  font-size: 0.68rem;
  color: rgba(239, 239, 239, 0.28);
  font-family: 'JetBrains Mono', monospace;
  letter-spacing: 0.06em;
}

/* ── Keyboard hint ──────────────────────────────────────── */
.dd-signal-key-hint {
  position: absolute;
  bottom: 5.5rem;
  left: 0; right: 0;
  text-align: center;
  font-family: 'JetBrains Mono', 'Courier New', monospace;
  font-size: 0.58rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(239, 239, 239, 0.18);
  pointer-events: none;
  z-index: 20;
}

/* ── Bottom controls ────────────────────────────────────── */
.dd-signal-controls {
  position: absolute;
  bottom: 1.5rem; left: 0; right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--wrap, 1400px);
  margin-inline: auto;
  padding: 0 clamp(1.5rem, 5vw, 4rem);
  z-index: 50;
}

.dd-signal-counter {
  font-family: 'JetBrains Mono', 'Courier New', monospace;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: rgba(239, 239, 239, 0.28);
  min-width: 5em;
}

/* Dot navigation track */
.dd-signal-dot-track {
  display: flex;
  gap: 5px;
  align-items: center;
  flex-wrap: wrap;
  justify-content: center;
  max-width: 55%;
}

.dd-signal-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: rgba(239, 239, 239, 0.16);
  cursor: pointer;
  flex-shrink: 0;
  transition:
    background  0.3s ease,
    transform   0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.dd-signal-dot.is-active {
  background: var(--dot-color, var(--signal-color));
  transform: scale(1.55);
}
.dd-signal-dot:hover:not(.is-active) {
  background: rgba(239, 239, 239, 0.42);
  transform: scale(1.2);
}

/* Prev / next arrows */
.dd-signal-right-controls {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.dd-signal-arrow {
  width: 56px; height: 56px;
  border-radius: 50%;
  border: 1.5px solid rgba(239, 239, 239, 0.22);
  background: none;
  color: rgba(239, 239, 239, 0.55);
  font-size: 1.25rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
  font-family: inherit;
  line-height: 1;
}
.dd-signal-arrow:hover {
  border-color: var(--signal-color);
  color: var(--signal-color);
}
.dd-signal-arrow:focus-visible {
  outline: 2px solid var(--signal-color);
  outline-offset: 2px;
}

/* "This is me" resonance button */
.dd-signal-resonate {
  font-family: 'JetBrains Mono', 'Courier New', monospace;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--signal-color);
  background: none;
  border: 1.5px solid var(--signal-color);
  border-radius: 4px;
  padding: 0.8rem 1.5rem;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.35s ease;
  white-space: nowrap;
  line-height: 1;
}
.dd-signal-resonate:hover {
  background: var(--signal-color);
  color: #080808;
}
.dd-signal-resonate:focus-visible {
  outline: 2px solid var(--signal-color);
  outline-offset: 2px;
}

/* ── Slide transitions ──────────────────────────────────── */
.is-sliding-out-left  { animation: ddsSlideOutLeft  0.3s  cubic-bezier(0.4, 0, 1, 1)    forwards; }
.is-sliding-out-right { animation: ddsSlideOutRight 0.3s  cubic-bezier(0.4, 0, 1, 1)    forwards; }
.is-sliding-in-right  { animation: ddsSlideInRight  0.38s cubic-bezier(0.16, 1, 0.3, 1) forwards; }
.is-sliding-in-left   { animation: ddsSlideInLeft   0.38s cubic-bezier(0.16, 1, 0.3, 1) forwards; }

@keyframes ddsSlideOutLeft  { to { opacity: 0; transform: translateX(-4vw); } }
@keyframes ddsSlideOutRight { to { opacity: 0; transform: translateX(4vw);  } }
@keyframes ddsSlideInRight  { from { opacity: 0; transform: translateX(5vw);  } to { opacity: 1; transform: none; } }
@keyframes ddsSlideInLeft   { from { opacity: 0; transform: translateX(-5vw); } to { opacity: 1; transform: none; } }

/* ── Spark particles ────────────────────────────────────── */
.dd-signal-spark {
  position: fixed;
  width: 6px; height: 6px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 10000;
  animation: ddsSparkFly var(--dur, 0.7s) cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}
@keyframes ddsSparkFly {
  to { transform: translate(var(--tx, 0), var(--ty, 0)); opacity: 0; }
}

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 768px) {
  .dd-signal-nav {
    padding: 1.25rem 1.25rem 0.75rem;
    flex-wrap: wrap;
    gap: 0.6rem;
  }
  .dd-signal-cats { justify-content: flex-start; gap: 0.35rem; }
  .dd-signal-cat-btn { font-size: 0.55rem; padding: 0.32rem 0.6rem; }
  .dd-signal-stage { padding: 9rem clamp(1rem, 4vw, 2rem) 9rem; }
  .dd-signal-moment-text { font-size: clamp(2rem, 7vw, 3.5rem); }
  .dd-signal-controls { bottom: 1rem; padding: 0 1.25rem; }
  .dd-signal-dot-track { max-width: 40%; gap: 4px; }
  .dd-signal-dot { width: 5px; height: 5px; }
  .dd-signal-arrow { width: 44px; height: 44px; font-size: 1rem; }
  .dd-signal-resonate { font-size: 0.62rem; padding: 0.65rem 1.1rem; }
  .dd-signal-key-hint { display: none; }
  .dd-signal-tool-hint { display: none; }
  .dd-signal-watermark { font-size: clamp(4rem, 10vw, 7rem); }
}

@media (max-width: 480px) {
  .dd-signal-logo { display: none; }
  .dd-signal-counter { display: none; }
  .dd-signal-stage { padding: 7rem 1.25rem 8rem; }
  .dd-signal-arrow { width: 40px; height: 40px; }
  .dd-signal-resonate { font-size: 0.58rem; padding: 0.6rem 0.9rem; }
}