/* ============================================
   G.R.I.P. Platform — Calibration Screen
   ============================================ */

/* ---- Calibration Wrapper (centered, theatrical) ---- */
.calibration {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - var(--header-height));
  padding: var(--space-8);
  text-align: center;
  position: relative;
}

.calibration::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 240, 255, 0.04) 0%, transparent 70%);
  pointer-events: none;
}

/* ---- Calibration Card ---- */
.calibration-card {
  background: var(--color-bg-raised);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-10) var(--space-8);
  max-width: 520px;
  width: 100%;
  position: relative;
  z-index: 1;
  animation: fadeIn 0.4s ease, slideUp 0.4s ease;
}

.calibration-card__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-5);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-accent-dim);
  color: var(--color-accent);
  font-size: var(--text-2xl);
  box-shadow: var(--glow-cyan-md);
  animation: pulse-glow 3s ease infinite;
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: var(--glow-cyan-md); }
  50% { box-shadow: var(--glow-cyan-lg); }
}

.calibration-card__title {
  font-size: var(--text-2xl);
  font-weight: var(--weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.calibration-card__description {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-6);
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}

/* ---- Stream Status Indicators ---- */
.stream-status-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
  text-align: left;
}

.stream-status {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: var(--transition-all);
}

.stream-status__indicator {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
  transition: var(--transition-all);
}

/* Offline */
.stream-status--offline .stream-status__indicator {
  background: var(--color-text-muted);
}

.stream-status--offline .stream-status__label {
  color: var(--color-text-muted);
}

/* Connecting */
.stream-status--connecting .stream-status__indicator {
  background: var(--color-warning);
  box-shadow: 0 0 8px rgba(255, 184, 0, 0.5);
  animation: pulse-dot 1s ease infinite;
}

.stream-status--connecting .stream-status__label {
  color: var(--color-warning);
}

.stream-status--connecting {
  border-color: rgba(255, 184, 0, 0.2);
}

/* Online */
.stream-status--online .stream-status__indicator {
  background: var(--color-success);
  box-shadow: 0 0 8px rgba(0, 255, 136, 0.5);
}

.stream-status--online .stream-status__label {
  color: var(--color-success);
}

.stream-status--online {
  border-color: rgba(0, 255, 136, 0.15);
}

/* Error */
.stream-status--error .stream-status__indicator {
  background: var(--color-error);
  box-shadow: 0 0 8px rgba(255, 64, 96, 0.5);
}

.stream-status--error .stream-status__label {
  color: var(--color-error);
}

.stream-status--error {
  border-color: rgba(255, 64, 96, 0.15);
}

.stream-status__label {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  flex: 1;
}

.stream-status__detail {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* ---- Calibration Progress ---- */
.calibration-progress {
  margin-bottom: var(--space-6);
}

.calibration-progress__bar {
  width: 100%;
  height: 8px;
  background: var(--color-bg);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-bottom: var(--space-3);
}

.calibration-progress__fill {
  height: 100%;
  border-radius: var(--radius-full);
  background: linear-gradient(90deg, var(--color-accent), rgba(0, 240, 255, 0.7));
  box-shadow: var(--glow-cyan-sm);
  transition: width 0.5s ease;
  position: relative;
}

.calibration-progress__fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.2) 50%,
    transparent 100%
  );
  animation: shimmer 2s ease infinite;
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.calibration-progress__text {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.calibration-progress__percent {
  color: var(--color-accent);
  font-weight: var(--weight-bold);
}

/* ---- Pulsing Ring Effect ---- */
.pulse-ring {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.pulse-ring::before,
.pulse-ring::after {
  content: '';
  position: absolute;
  border: 2px solid var(--color-accent);
  border-radius: 50%;
  animation: ring-pulse 2.5s ease infinite;
}

.pulse-ring::before {
  width: 100%;
  height: 100%;
  animation-delay: 0s;
}

.pulse-ring::after {
  width: 100%;
  height: 100%;
  animation-delay: 1.25s;
}

@keyframes ring-pulse {
  0% {
    transform: scale(1);
    opacity: 0.6;
  }
  100% {
    transform: scale(2);
    opacity: 0;
  }
}

/* ---- Calibration Steps ---- */
.calibration-steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
}

.calibration-step {
  width: 32px;
  height: 4px;
  border-radius: var(--radius-full);
  background: var(--color-border);
  transition: var(--transition-all);
}

.calibration-step--active {
  background: var(--color-accent);
  box-shadow: var(--glow-cyan-sm);
  width: 48px;
}

.calibration-step--complete {
  background: var(--color-success);
}

/* ---- Scan Line Overlay ---- */
.scan-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  border-radius: inherit;
}

.scan-overlay::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(0, 240, 255, 0.3),
    transparent
  );
  animation: scan-line 3s ease infinite;
}

@keyframes scan-line {
  0% { top: -2px; opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { top: 100%; opacity: 0; }
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .calibration {
    padding: var(--space-4);
  }

  .calibration-card {
    padding: var(--space-6) var(--space-5);
  }
}