PolyWeather/frontend/components/dashboard/ScanTerminalState.module.css

/* Scan terminal empty, loading, error, and skeleton signal states. */

/* ── Empty state ── */
.root :global(.scan-empty-state) {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 48px 32px;
  text-align: center;
  gap: 12px;
}

.root :global(.scan-empty-icon) {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: rgba(77, 163, 255, 0.1);
  border: 1px solid rgba(77, 163, 255, 0.16);
  display: grid;
  place-items: center;
  color: var(--color-accent-secondary);
  font-size: 20px;
  margin-bottom: 4px;
}

.root :global(.scan-empty-title) {
  font-size: 20px;
  font-weight: 800;
  color: #e8f2ff;
}

.root :global(.scan-empty-copy) {
  max-width: 360px;
  font-size: 14px;
  color: #8fa4c3;
  line-height: 1.6;
}

/* ── Error state ── */
.root :global(.scan-error-state) {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 48px 32px;
  text-align: center;
  gap: 12px;
}

.root :global(.scan-error-icon) {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.2);
  display: grid;
  place-items: center;
  color: #FCA5A5;
  font-size: 20px;
  margin-bottom: 4px;
}

.root :global(.scan-error-title) {
  font-size: 20px;
  font-weight: 800;
  color: #e8f2ff;
}

.root :global(.scan-error-copy) {
  max-width: 360px;
  font-size: 14px;
  color: #8fa4c3;
  line-height: 1.6;
}

.root :global(.scan-retry-button) {
  margin-top: 8px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 40px;
  padding: 10px 16px;
  border: 1px solid rgba(77, 163, 255, 0.3);
  border-radius: 12px;
  background: rgba(77, 163, 255, 0.12);
  color: #9ecbff;
  font-size: 13px;
  font-weight: 800;
  cursor: pointer;
}

.root :global(.scan-retry-button:hover) {
  background: rgba(77, 163, 255, 0.18);
  border-color: rgba(111, 183, 255, 0.48);
}

.root :global(.scan-loading-state) {
  flex: 1;
  min-height: 520px;
  display: grid;
  place-items: center;
  padding: 48px 32px;
  text-align: center;
}

.root :global(.scan-loading-signal) {
  position: relative;
  width: min(100%, 420px);
  display: grid;
  justify-items: center;
  gap: 18px;
  padding: 28px 30px;
  border: 1px solid rgba(125, 211, 252, 0.14);
  border-radius: 28px;
  background:
    radial-gradient(circle at 18% 18%, rgba(77, 163, 255, 0.18), transparent 34%),
    linear-gradient(145deg, rgba(12, 20, 36, 0.92), rgba(5, 11, 22, 0.74));
  box-shadow:
    0 22px 70px rgba(0, 0, 0, 0.3),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
  overflow: hidden;
}

.root :global(.scan-loading-signal::before) {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    100deg,
    transparent 0%,
    rgba(125, 211, 252, 0.08) 42%,
    rgba(34, 197, 94, 0.1) 50%,
    transparent 58%
  );
  transform: translateX(-120%);
  animation: scan-loading-sweep 2.6s ease-in-out infinite;
  pointer-events: none;
}

.root :global(.scan-loading-signal.compact) {
  width: min(100%, 340px);
  gap: 12px;
  padding: 18px 20px;
  border-radius: 22px;
  background:
    radial-gradient(circle at 20% 20%, rgba(77, 163, 255, 0.14), transparent 36%),
    rgba(10, 18, 32, 0.62);
  box-shadow: none;
}

.root :global(.scan-loading-decision-flow) {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 16px minmax(70px, 1fr) 16px minmax(70px, 1fr) 16px;
  align-items: center;
  width: min(100%, 300px);
}

.root :global(.scan-loading-node) {
  width: 16px;
  height: 16px;
  border: 1px solid rgba(226, 232, 240, 0.16);
  border-radius: 999px;
  background: #0b1220;
  box-shadow: 0 0 0 5px rgba(77, 163, 255, 0.05);
}

.root :global(.scan-loading-node.hot) {
  background: linear-gradient(135deg, #f97316, #fde047);
  box-shadow: 0 0 24px rgba(251, 146, 60, 0.26);
}

.root :global(.scan-loading-node.market) {
  background: linear-gradient(135deg, #38bdf8, var(--color-accent-primary));
  box-shadow: 0 0 24px rgba(56, 189, 248, 0.26);
}

.root :global(.scan-loading-node.action) {
  background: linear-gradient(135deg, #22c55e, #1be392);
  box-shadow: 0 0 24px rgba(34, 197, 94, 0.3);
  animation: scan-loading-node-breathe 1.8s ease-in-out infinite;
}

.root :global(.scan-loading-rail) {
  position: relative;
  height: 2px;
  overflow: hidden;
  background: rgba(148, 163, 184, 0.16);
}

.root :global(.scan-loading-rail i) {
  position: absolute;
  inset: 0;
  width: 48%;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, #7dd3fc, #22c55e);
  transform: translateX(-110%);
  animation: scan-loading-rail-flow 1.55s ease-in-out infinite;
}

.root :global(.scan-loading-rail:nth-of-type(4) i) {
  animation-delay: 0.45s;
}

.root :global(.scan-loading-copy-block) {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 7px;
  justify-items: center;
}

.root :global(.scan-loading-copy-block strong) {
  color: var(--color-text-primary);
  font-size: 18px;
  font-weight: 900;
  letter-spacing: -0.02em;
}

.root :global(.scan-loading-copy-block span) {
  max-width: 320px;
  color: var(--color-text-secondary);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.55;
}

.root :global(.scan-loading-signal-bars) {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: end;
  gap: 5px;
  height: 28px;
}

.root :global(.scan-loading-signal-bars span) {
  width: 7px;
  min-height: 8px;
  border-radius: 999px 999px 4px 4px;
  background: linear-gradient(180deg, #7dd3fc, var(--color-accent-primary) 52%, #1be392);
  opacity: 0.42;
  transform-origin: center bottom;
  animation: scan-loading-bars 1.35s ease-in-out infinite;
}

.root :global(.scan-loading-signal-bars span:nth-child(1)) {
  height: 12px;
}

.root :global(.scan-loading-signal-bars span:nth-child(2)) {
  height: 22px;
  animation-delay: 0.16s;
}

.root :global(.scan-loading-signal-bars span:nth-child(3)) {
  height: 16px;
  animation-delay: 0.32s;
}

.root :global(.scan-loading-signal-bars span:nth-child(4)) {
  height: 25px;
  animation-delay: 0.48s;
}

@keyframes scan-loading-sweep {
  0% {
    transform: translateX(-130%);
  }
  46%,
  100% {
    transform: translateX(130%);
  }
}

@keyframes scan-loading-rail-flow {
  0% {
    transform: translateX(-110%);
    opacity: 0.15;
  }
  45% {
    opacity: 1;
  }
  100% {
    transform: translateX(220%);
    opacity: 0.15;
  }
}

@keyframes scan-loading-node-breathe {
  0%,
  100% {
    transform: scale(0.92);
    filter: saturate(0.9);
  }
  50% {
    transform: scale(1.08);
    filter: saturate(1.25);
  }
}

@keyframes scan-loading-bars {
  0%,
  100% {
    opacity: 0.38;
    transform: scaleY(0.72);
  }
  50% {
    opacity: 0.95;
    transform: scaleY(1);
  }
}