/* ============================================================
   ParcelTrace — Public Widget Styles
   Mobile-first, CSS custom properties for branding
   ============================================================ */

.parceltrace-widget {
  --pt-primary:       #2563eb;
  --pt-primary-dark:  #1d4ed8;
  --pt-success:       #16a34a;
  --pt-warning:       #d97706;
  --pt-danger:        #dc2626;
  --pt-gray-50:       #f9fafb;
  --pt-gray-100:      #f3f4f6;
  --pt-gray-200:      #e5e7eb;
  --pt-gray-300:      #d1d5db;
  --pt-gray-400:      #9ca3af;
  --pt-gray-600:      #4b5563;
  --pt-gray-800:      #1f2937;
  --pt-radius:        16px;
  --pt-radius-sm:     8px;
  --pt-shadow:        0 10px 40px -10px rgba(0,0,0,0.08);
  --pt-transition:    .2s cubic-bezier(0.4, 0, 0.2, 1);
  --pt-font:          -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;

  font-family: var(--pt-font);
  max-width: 680px;
  margin: 0 auto;
  padding: 0;
  color: var(--pt-gray-800);
  line-height: 1.5;
}

.parceltrace-widget * {
  box-sizing: border-box;
}

/* Ensure hidden attribute always works */
.parceltrace-widget [hidden] {
  display: none !important;
}

/* Dark theme */
.parceltrace-widget[data-theme="dark"] {
  --pt-gray-50:  #0f172a;
  --pt-gray-100: #1e293b;
  --pt-gray-200: #334155;
  --pt-gray-300: #475569;
  --pt-gray-400: #94a3b8;
  --pt-gray-600: #cbd5e1;
  --pt-gray-800: #f8fafc;
  --pt-shadow:   0 10px 40px -10px rgba(0,0,0,0.5);
}

/* ── Form ─────────────────────────────────────────────────────────────── */

.parceltrace-form {
  background: var(--pt-gray-50);
  border-radius: var(--pt-radius);
  padding: 24px;
  box-shadow: var(--pt-shadow);
  border: 1px solid var(--pt-gray-200);
}

.pt-input-group {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.pt-input-group input[type="text"] {
  flex: 1 1 240px;
  height: 52px; /* Fixed height to prevent square look on mobile */
  padding: 0 18px; /* Vertical centering via flex/height */
  border: 2px solid var(--pt-gray-200);
  border-radius: var(--pt-radius-sm);
  font-size: 1.05rem;
  outline: none;
  transition: border-color var(--pt-transition), box-shadow var(--pt-transition);
  background: #fff;
  color: #1f2937; /* Force dark text for input */
  min-width: 0;
  appearance: none;
  line-height: normal;
  margin: 0; /* Reset margins */
}

.parceltrace-widget[data-theme="dark"] .pt-input-group input[type="text"] {
  background: var(--pt-gray-100);
  border-color: var(--pt-gray-200);
  color: var(--pt-gray-800);
}

.pt-input-group input[type="text"]:focus {
  border-color: var(--pt-primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.15);
}

.pt-submit-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 52px; /* Match input height */
  padding: 0 28px;
  background: var(--pt-primary);
  color: #fff;
  border: none;
  border-radius: var(--pt-radius-sm);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--pt-transition), transform var(--pt-transition);
  white-space: nowrap;
  min-width: 140px;
  margin: 0;
}

.pt-submit-btn:hover:not(:disabled) { background: var(--pt-primary-dark); }
.pt-submit-btn:active { transform: scale(.98); }
.pt-submit-btn:disabled { opacity: .7; cursor: not-allowed; }

.pt-btn-spinner {
  width: 18px;
  height: 18px;
  border: 2.5px solid rgba(255,255,255,.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: pt-spin .7s linear infinite;
  display: inline-block;
}

@keyframes pt-spin { to { transform: rotate(360deg); } }

.pt-error-message {
  color: var(--pt-danger);
  font-size: .95rem;
  margin: 12px 0 0;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ── Results Card ────────────────────────────────────────────────────── */

.pt-results {
  background: #fff;
  border-radius: var(--pt-radius);
  box-shadow: var(--pt-shadow);
  margin-top: 24px;
  overflow: hidden;
  animation: pt-fade-up .4s cubic-bezier(0.16, 1, 0.3, 1);
  border: 1px solid var(--pt-gray-200);
}

.parceltrace-widget[data-theme="dark"] .pt-results {
  background: var(--pt-gray-100);
  border-color: var(--pt-gray-200);
}

@keyframes pt-fade-up {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Header */
.pt-results-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 28px;
  background: linear-gradient(135deg, var(--pt-primary) 0%, var(--pt-primary-dark) 100%);
  color: #fff;
  flex-wrap: wrap;
  gap: 16px;
}

.pt-header-left {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.pt-label {
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  opacity: .9;
  font-weight: 500;
}

.pt-tracking-id {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: .02em;
  line-height: 1.1;
}

.pt-status-badge {
  padding: 8px 16px;
  border-radius: 999px;
  font-size: .85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: rgba(255,255,255,.2);
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255,255,255,.3);
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.pt-status-delivered { background: var(--pt-success); border-color: var(--pt-success); }
.pt-status-exception  { background: var(--pt-danger);  border-color: var(--pt-danger);  }
.pt-status-on_hold    { background: var(--pt-warning);  border-color: var(--pt-warning); }

/* ── Progress Track ──────────────────────────────────────────────────── */

.pt-progress-track {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 32px 28px;
  background: #fff;
  border-bottom: 1px solid var(--pt-gray-200);
  position: relative;
}

.parceltrace-widget[data-theme="dark"] .pt-progress-track {
  background: var(--pt-gray-50);
}

.pt-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  position: relative;
  z-index: 2;
  flex: 1;
}

.pt-step-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--pt-gray-100);
  color: var(--pt-gray-400);
  transition: all .3s ease;
  border: 2px solid var(--pt-gray-200);
}

.parceltrace-widget[data-theme="dark"] .pt-step-icon {
  background: var(--pt-gray-200);
  border-color: var(--pt-gray-300);
}

.pt-step-icon svg { width: 22px; height: 22px; stroke-width: 2px; }

.pt-step--done .pt-step-icon {
  background: var(--pt-primary);
  color: #fff;
  border-color: var(--pt-primary);
}

.pt-step--active .pt-step-icon {
  background: #fff;
  color: var(--pt-primary);
  border-color: var(--pt-primary);
  box-shadow: 0 0 0 4px rgba(37,99,235,.15);
}

.parceltrace-widget[data-theme="dark"] .pt-step--active .pt-step-icon {
  background: var(--pt-gray-100);
}

.pt-step-label {
  font-size: .8rem;
  color: var(--pt-gray-400);
  text-align: center;
  font-weight: 500;
  line-height: 1.3;
  transition: color .2s;
}

.pt-step--done .pt-step-label,
.pt-step--active .pt-step-label {
  color: var(--pt-gray-800);
  font-weight: 700;
}

.pt-step--active .pt-step-label {
  color: var(--pt-primary);
}

/* Connectors */
.pt-step-connector {
  position: absolute;
  top: 56px; /* Icon height/2 + padding top */
  left: 0;
  right: 0;
  height: 3px;
  background: var(--pt-gray-200);
  z-index: 1;
  transform: translateY(-50%);
  margin: 0 10%; /* Keep it away from edges */
}

/* We need a better connector approach that works responsively.
   Instead of absolute line, let's use ::after on steps */
.pt-progress-track {
  gap: 0;
}
.pt-step-connector { display: none; } /* Hide old connector */

.pt-step:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 24px; /* Half of icon height */
  left: 50%;
  width: 100%;
  height: 3px;
  background: var(--pt-gray-200);
  z-index: -1;
}

.parceltrace-widget[data-theme="dark"] .pt-step:not(:last-child)::after {
  background: var(--pt-gray-300);
}

.pt-step.pt-step--done:not(:last-child)::after {
  background: var(--pt-primary);
}


/* ── Info Grid ───────────────────────────────────────────────────────── */

.pt-info-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: #fff;
}

.parceltrace-widget[data-theme="dark"] .pt-info-grid {
  background: var(--pt-gray-50);
}

.pt-info-card {
  padding: 24px;
  border-right: 1px solid var(--pt-gray-100);
  border-bottom: 1px solid var(--pt-gray-100);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.parceltrace-widget[data-theme="dark"] .pt-info-card {
  border-color: var(--pt-gray-200);
}

/* Remove right borders for grid */
.pt-info-grid .pt-info-card:nth-child(4n) { border-right: none; }

/* Icon styling */
.pt-info-icon {
  font-size: 1.5rem;
  margin-bottom: 4px;
  display: inline-block;
}

.pt-info-label {
  font-size: .75rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--pt-gray-400);
  font-weight: 600;
  margin: 0;
}

.pt-info-value {
  font-size: 1rem;
  font-weight: 700;
  color: var(--pt-gray-800);
  margin: 0;
  line-height: 1.4;
  text-transform: capitalize; /* Fix lowercase data */
  word-break: break-word;
}

/* ── Timeline ────────────────────────────────────────────────────────── */

.pt-timeline {
  padding: 32px;
  background: #fff;
}

.parceltrace-widget[data-theme="dark"] .pt-timeline {
  background: var(--pt-gray-50);
}

.pt-timeline-title {
  font-size: 1.1rem;
  font-weight: 800;
  margin: 0 0 24px;
  color: var(--pt-gray-800);
  display: flex;
  align-items: center;
  gap: 8px;
}

.pt-timeline-title::before {
  content: '';
  display: block;
  width: 4px;
  height: 24px;
  background: var(--pt-primary);
  border-radius: 2px;
}

.pt-events-list {
  list-style: none;
  margin: 0;
  padding: 0 0 0 12px;
  border-left: 2px solid var(--pt-gray-200);
}

.parceltrace-widget[data-theme="dark"] .pt-events-list {
  border-color: var(--pt-gray-200);
}

.pt-event-item {
  position: relative;
  padding: 0 0 32px 24px;
}

.pt-event-item:last-child { padding-bottom: 0; }

.pt-event-dot {
  position: absolute;
  left: -7px;
  top: 0;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--pt-primary);
  box-shadow: 0 0 0 3px #fff;
}

.parceltrace-widget[data-theme="dark"] .pt-event-dot {
  background: var(--pt-gray-50);
  box-shadow: 0 0 0 3px var(--pt-gray-50);
}

.pt-event-header {
  margin-bottom: 4px;
}

.pt-event-desc {
  font-size: 1rem;
  font-weight: 600;
  color: var(--pt-gray-800);
  display: block;
  margin-bottom: 4px;
}

.pt-event-code {
  display: inline-block;
  font-size: .7rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--pt-primary);
  background: rgba(37,99,235,.1);
  padding: 2px 8px;
  border-radius: 4px;
  margin-bottom: 8px;
}

.pt-event-meta {
  display: flex;
  gap: 16px;
  font-size: .85rem;
  color: var(--pt-gray-400);
}

.pt-event-location { font-weight: 500; color: var(--pt-gray-600); }

/* No events state */
.pt-no-events {
  text-align: center;
  color: var(--pt-gray-400);
  padding: 20px;
  background: var(--pt-gray-50);
  border-radius: var(--pt-radius-sm);
  font-style: italic;
  margin: 0;
}

.parceltrace-widget[data-theme="dark"] .pt-no-events {
  background: var(--pt-gray-100);
}

/* ── GDPR Notice ─────────────────────────────────────────────────────── */

.pt-gdpr-notice {
  font-size: .75rem;
  color: var(--pt-gray-400);
  padding: 16px 32px;
  background: var(--pt-gray-50);
  border-top: 1px solid var(--pt-gray-200);
  margin: 0;
  line-height: 1.5;
  text-align: center;
}

.parceltrace-widget[data-theme="dark"] .pt-gdpr-notice {
  background: var(--pt-gray-100);
  border-color: var(--pt-gray-200);
}

/* ── Loading ─────────────────────────────────────────────────────────── */

.pt-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: 60px 20px;
  color: var(--pt-gray-600);
  font-weight: 500;
  background: #fff;
  border-radius: var(--pt-radius);
  box-shadow: var(--pt-shadow);
  margin-top: 24px;
}

.parceltrace-widget[data-theme="dark"] .pt-loading {
  background: var(--pt-gray-100);
  color: var(--pt-gray-400);
}

.pt-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--pt-gray-200);
  border-top-color: var(--pt-primary);
  border-radius: 50%;
  animation: pt-spin .8s linear infinite;
}

/* ── Responsive ──────────────────────────────────────────────────────── */

@media (max-width: 768px) {
  .pt-info-grid { grid-template-columns: repeat(2, 1fr); }
  .pt-info-grid .pt-info-card:nth-child(2n) { border-right: none; }
  .pt-info-grid .pt-info-card:nth-child(4n) { border-right: none; }
  .pt-info-grid .pt-carrier-card,
  .pt-info-grid .pt-weight-card { grid-column: span 1; }
}

@media (max-width: 520px) {
  .parceltrace-form     { padding: 20px; }
  .pt-input-group       { flex-direction: column; gap: 10px; align-items: stretch; }
  .pt-submit-btn        { width: 100%; margin-top: 4px; height: 52px !important; }
  .pt-input-group input[type="text"] { width: 100%; height: 52px !important; max-height: 52px !important; min-height: 52px !important; padding: 0 16px; margin: 0; box-sizing: border-box; font-size: 16px; line-height: normal; }

  .pt-results-header    { padding: 20px; flex-direction: column; align-items: flex-start; gap: 12px; }
  .pt-status-badge      { align-self: flex-start; }

  /* Stack info cards on mobile */
  .pt-info-grid         { display: flex; flex-direction: column; }
  .pt-info-card         { border-right: none; padding: 16px 20px; flex-direction: row; align-items: center; justify-content: space-between; text-align: left; }
  .pt-info-icon         { order: 2; font-size: 1.2rem; opacity: 0.5; margin: 0; }
  .pt-info-card > div   { order: 1; text-align: left; display: flex; flex-direction: column; align-items: flex-start; }

  /* Compact progress track */
  .pt-progress-track    { padding: 24px 16px; overflow-x: auto; justify-content: flex-start; gap: 24px; }
  .pt-step              { min-width: 70px; flex: 0 0 auto; }
  .pt-step:not(:last-child)::after { width: calc(100% + 24px); left: 50%; } /* Extend line to cover gap */

  .pt-step-label        { font-size: .7rem; }
  .pt-step-icon         { width: 40px; height: 40px; }
  .pt-step-icon svg     { width: 18px; height: 18px; }

  .pt-timeline          { padding: 24px 20px; }
}