/* ═══════════════════════════════════════════════════════════════════
   styles_additions.css
   Append these rules to the bottom of your existing styles.css
   ═══════════════════════════════════════════════════════════════════ */

/* ─── Step blocks (the two numbered sections) ─────────────────────── */
.step-block {
  max-width: 860px;
  margin: 0 auto 2.5rem;
  animation: stepIn 0.35s cubic-bezier(.22,1,.36,1) both;
}

.step-block--hidden {
  display: none;
}

/* reveal step 2 with a slight slide-down */
.step-block--hidden + .step-block,
.step-block:not(.step-block--hidden) {
  animation: stepIn 0.4s cubic-bezier(.22,1,.36,1) both;
}

@keyframes stepIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0);    }
}

.step-block__header {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.step-block__num {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,.35);
}

.step-block__title {
  font-family: 'Syne', sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.step-block__hint {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.68rem;
  color: rgba(255,255,255,.3);
  margin-left: auto;
}

/* ─── Person gallery grid ─────────────────────────────────────────── */
.person-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 0.75rem;
}

.person-gallery__loading {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.78rem;
  color: rgba(255,255,255,.4);
  grid-column: 1 / -1;
  padding: 1.5rem 0;
}

/* ─── Person card (thumbnail button) ───────────────────────────────── */
.person-card {
  position: relative;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 10px;
  overflow: hidden;
  cursor: pointer;
  padding: 0;
  transition: border-color .2s, box-shadow .2s, transform .15s;
  outline: none;
}

.person-card:hover:not(.locked) {
  border-color: rgba(255,255,255,.28);
  transform: translateY(-2px);
}

.person-card.selected {
  border-color: #fff;
  box-shadow: 0 0 0 2px rgba(255,255,255,.25);
}

.person-card.selected::after {
  content: '✓';
  position: absolute;
  top: 6px; right: 6px;
  width: 22px; height: 22px;
  background: #fff;
  color: #111;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  line-height: 1;
  pointer-events: none;
}

.person-card.locked {
  opacity: 0.45;
  cursor: not-allowed;
  pointer-events: none;
}

.person-card.locked.selected {
  opacity: 0.7;   /* keep selected one a bit brighter */
}

.person-card__img-wrap {
  width: 100%;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background: #1a1a1a;
}

.person-card__img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .3s;
}

.person-card:hover:not(.locked) .person-card__img-wrap img {
  transform: scale(1.04);
}

.person-card__name {
  display: block;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.67rem;
  color: rgba(255,255,255,.5);
  padding: 0.45rem 0.5rem 0.5rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  text-align: center;
}

/* ─── Launch Display button (operator control, top-right of header) ─── */
.header {
  position: relative; /* anchor for the absolute button */
}
.btn-launch-display {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border: 1px solid var(--border-hi);
  border-radius: var(--radius);
  background: transparent;
  color: var(--text-2);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
}
.btn-launch-display svg {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
}
.btn-launch-display:hover {
  border-color: var(--amber);
  color: var(--amber);
}
.btn-launch-display--active {
  border-color: var(--green);
  color: var(--green);
}

/* ─── Completed step state ──────────────────────────────────────────── */
.step-block--done {
  opacity: 0.55;
  pointer-events: none;
}
.step-block--done .step-block__num {
  color: var(--green);
}

/* ─── Scan prompt ───────────────────────────────────────────────────── */
.scan-prompt {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3rem 1rem;
  border: 1.5px dashed var(--border-hi);
  border-radius: var(--radius-lg);
  background: var(--bg-1);
  text-align: center;
  gap: 0.75rem;
}
.scan-prompt__icon {
  width: 64px;
  height: 64px;
  color: var(--amber);
  margin-bottom: 0.5rem;
}
.scan-prompt__icon svg {
  width: 100%;
  height: 100%;
}
.scan-prompt__text {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-0);
  letter-spacing: 0.04em;
}
.scan-prompt__sub {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-2);
}
.scan-prompt--scanned .scan-prompt__sub {
  color: var(--green);
}

/* ─── Background preview ────────────────────────────────────────────── */
.bg-preview {
  position: relative;
  width: 100%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-2);
  border: 1px solid var(--border);
}
.bg-preview img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  display: block;
}
.bg-preview__confirm {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 0.75rem 1rem;
  background: rgba(0, 0, 0, 0.65);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--green);
  text-align: center;
  letter-spacing: 0.06em;
}

/* ─── Webcam wrapper ────────────────────────────────────────────────── */
.webcam-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  margin-bottom: 1rem;
}
#webcamVideo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transform: scaleX(-1); /* mirror for natural feel */
}
.webcam-snapshot {
  position: absolute;
  inset: 0;
}
.webcam-snapshot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.webcam-countdown {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-head);
  font-size: clamp(80px, 20vw, 180px);
  font-weight: 800;
  color: var(--amber);
  text-shadow: 0 0 40px rgba(240, 168, 50, 0.6), 0 2px 8px rgba(0, 0, 0, 0.8);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.15s;
}
.webcam-countdown.visible {
  opacity: 1;
}
.webcam-controls {
  display: flex;
  gap: 1rem;
  justify-content: center;
  align-items: center;
}
.btn-retake {
  display: inline-flex;
  align-items: center;
  padding: 10px 28px;
  border: 1.5px solid var(--border-hi);
  border-radius: var(--radius);
  background: transparent;
  color: var(--text-1);
  font-family: var(--font-mono);
  font-size: 13px;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
}
.btn-retake:hover {
  border-color: var(--text-0);
  color: var(--text-0);
}

/* ─── Result QR code ────────────────────────────────────────────────── */
.result-qr {
  margin: 1.5rem auto 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}
.result-qr__label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-2);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
#qrCanvas {
  border-radius: var(--radius);
  background: #fff;
  padding: 8px;
}

/* ─── Restart button ────────────────────────────────────────────────── */
.btn-restart {
  display: block;
  margin: 1.25rem auto 0;
  padding: 10px 32px;
  border: 1.5px solid var(--border-hi);
  border-radius: var(--radius);
  background: transparent;
  color: var(--text-2);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
}
.btn-restart:hover {
  border-color: var(--amber);
  color: var(--amber);
}