@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
  --pv-accent:       #0066CC;
  --pv-accent-dark:  #0052A3;
  --pv-accent-light: #E8F0FB;
  --pv-bg:           #FFFFFF;
  --pv-bg-card:      #F7F8FA;
  --pv-border:       #E2E6EC;
  --pv-text:         #1A1D23;
  --pv-text-muted:   #6B7280;
  --pv-success:      #16A34A;
  --pv-danger:       #DC2626;
  --pv-radius:       12px;
  --pv-radius-sm:    8px;
  --pv-shadow:       0 1px 3px rgba(0,0,0,.08), 0 4px 12px rgba(0,0,0,.06);
  --pv-font:         'Inter', system-ui, -apple-system, sans-serif;
  --pv-transition:   0.18s ease;
}

@media (prefers-color-scheme: dark) {
  :root {
    --pv-accent:       #4D9FFF;
    --pv-accent-dark:  #3D8FEF;
    --pv-accent-light: #0F2040;
    --pv-bg:           #0F1117;
    --pv-bg-card:      #1A1D26;
    --pv-border:       #2A2E3A;
    --pv-text:         #E8EAF0;
    --pv-text-muted:   #8B92A8;
    --pv-shadow:       0 1px 3px rgba(0,0,0,.3), 0 4px 12px rgba(0,0,0,.25);
  }
}

#pv24-app *, #pv24-app *::before, #pv24-app *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

#pv24-app {
  font-family: var(--pv-font);
  color: var(--pv-text);
  max-width: 780px;
  margin: 0 auto;
  padding: 0 16px 48px;
}

.pv24-sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

.pv24-hero {
  text-align: center;
  padding: 48px 0 32px;
}

.pv24-h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--pv-text);
  margin-bottom: 10px;
}

.pv24-subtitle {
  font-size: 1rem;
  color: var(--pv-text-muted);
  margin-bottom: 28px;
}

.pv24-input-row {
  display: flex;
  gap: 8px;
  max-width: 600px;
  margin: 0 auto 12px;
}

#pv24-number {
  flex: 1;
  height: 52px;
  padding: 0 18px;
  font-size: 1rem;
  font-family: var(--pv-font);
  background: var(--pv-bg-card);
  border: 1.5px solid var(--pv-border);
  border-radius: var(--pv-radius);
  color: var(--pv-text);
  transition: border-color var(--pv-transition), box-shadow var(--pv-transition);
  outline: none;
  min-width: 0;
}

#pv24-number:focus {
  border-color: var(--pv-accent);
  box-shadow: 0 0 0 3px rgba(0,102,204,.15);
}

#pv24-number::placeholder { color: var(--pv-text-muted); }

#pv24-btn {
  display: flex;
  align-items: center;
  gap: 7px;
  height: 52px;
  padding: 0 22px;
  font-size: 0.95rem;
  font-weight: 600;
  font-family: var(--pv-font);
  background: var(--pv-accent);
  color: #fff;
  border: none;
  border-radius: var(--pv-radius);
  cursor: pointer;
  white-space: nowrap;
  transition: background var(--pv-transition), transform var(--pv-transition);
}

#pv24-btn svg { width: 18px; height: 18px; flex-shrink: 0; }
#pv24-btn:hover  { background: var(--pv-accent-dark); }
#pv24-btn:active { transform: scale(0.97); }
#pv24-btn:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

.pv24-hint { font-size: 0.82rem; color: var(--pv-text-muted); margin-top: 4px; }

.pv24-error {
  margin-top: 12px;
  padding: 12px 16px;
  background: #FEF2F2;
  border: 1px solid #FECACA;
  border-radius: var(--pv-radius-sm);
  color: var(--pv-danger);
  font-size: 0.9rem;
}

@media (prefers-color-scheme: dark) {
  .pv24-error { background: #2A1515; border-color: #7F1D1D; }
}

.pv24-recent {
  display: flex;
  align-items: center;
  gap: 8px;
  justify-content: center;
  margin-top: 14px;
  flex-wrap: wrap;
}

.pv24-recent-label { font-size: 0.82rem; color: var(--pv-text-muted); }

#pv24-recent-list {
  display: flex;
  gap: 6px;
  list-style: none;
  flex-wrap: wrap;
}

#pv24-recent-list li button {
  font-size: 0.78rem;
  padding: 4px 10px;
  background: var(--pv-accent-light);
  color: var(--pv-accent);
  border: 1px solid transparent;
  border-radius: 99px;
  cursor: pointer;
  font-family: var(--pv-font);
  transition: background var(--pv-transition);
}

#pv24-recent-list li button:hover { background: var(--pv-accent); color: #fff; }

.pv24-skeleton { margin-top: 24px; }

.pv24-skeleton-card {
  background: var(--pv-bg-card);
  border: 1px solid var(--pv-border);
  border-radius: var(--pv-radius);
  padding: 24px;
}

.pv24-skel {
  background: var(--pv-border);
  border-radius: 4px;
  animation: pv24-pulse 1.4s ease-in-out infinite;
}

.pv24-skel-title  { height: 22px; width: 55%; margin-bottom: 16px; }
.pv24-skel-line   { height: 14px; width: 100%; margin-bottom: 10px; }
.pv24-skel-line.short { width: 70%; }

@keyframes pv24-pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.45; }
}

@media (prefers-reduced-motion: reduce) { .pv24-skel { animation: none; } }

.pv24-card {
  background: var(--pv-bg-card);
  border: 1px solid var(--pv-border);
  border-radius: var(--pv-radius);
  padding: 24px;
  margin-top: 20px;
  box-shadow: var(--pv-shadow);
}

.pv24-status-banner {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  border-radius: var(--pv-radius-sm);
  margin-bottom: 20px;
  background: var(--pv-accent-light);
}

.pv24-status-banner.delivered { background: #F0FDF4; }
.pv24-status-banner.failure   { background: #FEF2F2; }

@media (prefers-color-scheme: dark) {
  .pv24-status-banner.delivered { background: #052E16; }
  .pv24-status-banner.failure   { background: #2A1515; }
}

.pv24-status-icon svg { width: 32px; height: 32px; color: var(--pv-accent); flex-shrink: 0; }
.pv24-status-banner.delivered .pv24-status-icon svg { color: #16A34A; }
.pv24-status-banner.failure   .pv24-status-icon svg { color: var(--pv-danger); }

.pv24-status-label { font-size: 1.05rem; font-weight: 600; color: var(--pv-text); }
.pv24-status-desc  { font-size: 0.87rem; color: var(--pv-text-muted); margin-top: 3px; line-height: 1.5; }
.pv24-tracking-id  { font-size: 0.8rem; color: var(--pv-text-muted); margin-bottom: 16px; font-family: monospace; letter-spacing: 0.05em; }

.pv24-timeline { position: relative; padding-left: 28px; margin-top: 8px; }

.pv24-timeline::before {
  content: '';
  position: absolute;
  left: 7px; top: 8px; bottom: 8px;
  width: 2px;
  background: var(--pv-border);
  border-radius: 2px;
}

.pv24-event { position: relative; padding: 0 0 20px 16px; }
.pv24-event:last-child { padding-bottom: 0; }

.pv24-event::before {
  content: '';
  position: absolute;
  left: -21px; top: 6px;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--pv-border);
  border: 2px solid var(--pv-bg);
}

.pv24-event.active::before { background: var(--pv-accent); }

.pv24-event-time     { font-size: 0.78rem; color: var(--pv-text-muted); margin-bottom: 2px; }
.pv24-event-desc     { font-size: 0.9rem; color: var(--pv-text); font-weight: 500; }
.pv24-event-location { font-size: 0.8rem; color: var(--pv-text-muted); }

.pv24-not-found {
  text-align: center;
  padding: 40px 20px;
  background: var(--pv-bg-card);
  border: 1px dashed var(--pv-border);
  border-radius: var(--pv-radius);
  margin-top: 20px;
}

.pv24-not-found svg  { width: 48px; height: 48px; color: var(--pv-text-muted); margin-bottom: 12px; }
.pv24-not-found p    { color: var(--pv-text-muted); font-size: 0.95rem; line-height: 1.6; }

.pv24-ad-slot { margin: 28px 0; min-height: 50px; text-align: center; }

.pv24-faq { margin-top: 56px; border-top: 1px solid var(--pv-border); padding-top: 40px; }
.pv24-faq h2 { font-size: 1.4rem; font-weight: 700; margin-bottom: 24px; color: var(--pv-text); }

.pv24-faq-item { border-bottom: 1px solid var(--pv-border); padding: 18px 0; }

.pv24-faq-q {
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  color: var(--pv-text);
  list-style: none;
  user-select: none;
}

.pv24-faq-q::after         { content: '+'; font-size: 1.2rem; font-weight: 400; flex-shrink: 0; color: var(--pv-text-muted); }
.pv24-faq-item.open .pv24-faq-q::after { content: '−'; }

.pv24-faq-a {
  font-size: 0.9rem;
  color: var(--pv-text-muted);
  line-height: 1.7;
  margin-top: 10px;
  display: none;
}

.pv24-faq-item.open .pv24-faq-a { display: block; }

.pv24-how {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 20px;
}

.pv24-how-step {
  background: var(--pv-bg-card);
  border: 1px solid var(--pv-border);
  border-radius: var(--pv-radius);
  padding: 24px 20px;
  text-align: center;
}

.pv24-how-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--pv-accent);
  color: #fff;
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 12px;
}

.pv24-how-step h3 { font-size: 0.95rem; font-weight: 600; margin-bottom: 6px; color: var(--pv-text); }
.pv24-how-step p  { font-size: 0.85rem; color: var(--pv-text-muted); line-height: 1.5; }

@media (max-width: 480px) {
  .pv24-input-row { flex-direction: column; }
  #pv24-btn { width: 100%; justify-content: center; }
  .pv24-hero { padding-top: 32px; }
  .pv24-card { padding: 18px; }
}