.dctt-tool {
  --dctt-primary: #5b45e0;
  --dctt-primary-dark: color-mix(in srgb, var(--dctt-primary) 78%, #151044);
  --dctt-text: #172033;
  --dctt-muted: #657087;
  --dctt-border: #dfe3ec;
  --dctt-surface: #ffffff;
  --dctt-soft: #f6f7fb;
  --dctt-success: #087a52;
  --dctt-warning: #a05208;
  --dctt-error: #bb2a3b;
  --dctt-info: #2563a9;
  --dctt-radius: 22px;
  width: 100%;
  max-width: 920px;
  margin: clamp(20px, 4vw, 48px) auto;
  color: var(--dctt-text);
  font-family: inherit;
  font-size: 16px;
  line-height: 1.55;
  isolation: isolate;
}

.dctt-tool,
.dctt-tool *,
.dctt-tool *::before,
.dctt-tool *::after {
  box-sizing: border-box;
}

.dctt-tool .dctt-shell {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 5vw, 52px);
  border: 1px solid var(--dctt-border);
  border-radius: var(--dctt-radius);
  background:
    radial-gradient(circle at 95% 0%, color-mix(in srgb, var(--dctt-primary) 9%, transparent), transparent 35%),
    var(--dctt-surface);
  box-shadow: 0 22px 55px rgba(23, 32, 51, 0.09), 0 2px 8px rgba(23, 32, 51, 0.04);
}

.dctt-tool .dctt-header {
  max-width: 680px;
  margin: 0 auto 30px;
  text-align: center;
}

.dctt-tool .dctt-brand-icon {
  display: inline-grid;
  width: 52px;
  height: 52px;
  margin-bottom: 14px;
  place-items: center;
  border-radius: 16px;
  color: #fff;
  background: var(--dctt-primary);
  box-shadow: 0 10px 24px color-mix(in srgb, var(--dctt-primary) 25%, transparent);
}

.dctt-tool .dctt-brand-icon svg { width: 27px; height: 27px; }

.dctt-tool .dctt-title,
.dctt-tool .dctt-header h2,
.dctt-tool .dctt-header h3,
.dctt-tool .dctt-header h4,
.dctt-tool .dctt-header h5,
.dctt-tool .dctt-header h6 {
  margin: 0;
  color: var(--dctt-text);
  font: inherit;
  font-size: clamp(1.65rem, 4vw, 2.3rem);
  font-weight: 750;
  letter-spacing: -0.035em;
  line-height: 1.15;
}

.dctt-tool .dctt-description {
  max-width: 620px;
  margin: 12px auto 0;
  color: var(--dctt-muted);
  font-size: 1rem;
}

.dctt-tool .dctt-form { margin: 0; }
.dctt-tool .dctt-label {
  display: block;
  margin: 0 0 8px;
  color: var(--dctt-text);
  font-size: 0.875rem;
  font-weight: 700;
}

.dctt-tool .dctt-form-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: stretch;
}

.dctt-tool .dctt-input-wrap { position: relative; min-width: 0; }
.dctt-tool .dctt-input-icon {
  position: absolute;
  top: 50%;
  left: 17px;
  display: grid;
  color: var(--dctt-muted);
  pointer-events: none;
  transform: translateY(-50%);
}
.dctt-tool .dctt-input-icon svg { width: 21px; height: 21px; }

.dctt-tool .dctt-input {
  display: block;
  width: 100%;
  height: 56px;
  min-width: 0;
  margin: 0;
  padding: 0 18px 0 50px;
  border: 1px solid var(--dctt-border);
  border-radius: 13px;
  outline: none;
  color: var(--dctt-text);
  background: #fff;
  box-shadow: 0 1px 2px rgba(23, 32, 51, 0.03);
  font: inherit;
  font-size: 1rem;
  line-height: 1;
  text-transform: uppercase;
  transition: border-color 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.dctt-tool .dctt-input::placeholder { color: #8a93a5; text-transform: none; opacity: 1; }
.dctt-tool .dctt-input:hover { border-color: #bdc4d2; }
.dctt-tool .dctt-input:focus {
  border-color: var(--dctt-primary);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--dctt-primary) 15%, transparent);
}
.dctt-tool .dctt-input[aria-invalid="true"] { border-color: var(--dctt-error); }
.dctt-tool .dctt-input.is-detected { background: color-mix(in srgb, var(--dctt-success) 7%, #fff); border-color: var(--dctt-success); }

.dctt-tool .dctt-button {
  display: inline-flex;
  min-height: 46px;
  margin: 0;
  padding: 0 20px;
  align-items: center;
  justify-content: center;
  gap: 9px;
  border: 1px solid transparent;
  border-radius: 12px;
  appearance: none;
  cursor: pointer;
  font: inherit;
  font-size: 0.94rem;
  font-weight: 700;
  line-height: 1.2;
  text-decoration: none;
  transition: transform 150ms ease, box-shadow 150ms ease, background 150ms ease, border-color 150ms ease;
}
.dctt-tool .dctt-button svg { width: 20px; height: 20px; flex: none; }
.dctt-tool .dctt-button:hover { transform: translateY(-1px); }
.dctt-tool .dctt-button:focus-visible,
.dctt-tool .dctt-icon-button:focus-visible,
.dctt-tool .dctt-candidate:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--dctt-primary) 35%, transparent);
  outline-offset: 2px;
}
.dctt-tool .dctt-button:disabled { cursor: wait; opacity: 0.72; transform: none; }

.dctt-tool .dctt-button-primary {
  min-width: 185px;
  min-height: 56px;
  color: #fff;
  background: var(--dctt-primary);
  box-shadow: 0 10px 20px color-mix(in srgb, var(--dctt-primary) 22%, transparent);
}
.dctt-tool .dctt-button-primary:hover { color: #fff; background: var(--dctt-primary-dark); }
.dctt-tool .dctt-button-secondary {
  color: #384257;
  background: #fff;
  border-color: var(--dctt-border);
  box-shadow: 0 2px 5px rgba(23, 32, 51, 0.04);
}
.dctt-tool .dctt-button-secondary:hover { color: var(--dctt-primary); border-color: color-mix(in srgb, var(--dctt-primary) 35%, var(--dctt-border)); background: #fafaff; }
.dctt-tool .dctt-button-small { min-height: 38px; margin-top: 12px; padding: 0 15px; color: var(--dctt-primary); background: #fff; border-color: var(--dctt-border); }

.dctt-tool .dctt-spinner {
  display: none;
  width: 17px;
  height: 17px;
  border: 2px solid rgba(255, 255, 255, 0.45);
  border-top-color: #fff;
  border-radius: 50%;
  animation: dctt-spin 700ms linear infinite;
}
.dctt-tool .dctt-button.is-loading .dctt-button-icon { display: none; }
.dctt-tool .dctt-button.is-loading .dctt-spinner { display: inline-block; }

.dctt-tool .dctt-hint { margin: 9px 0 0; color: var(--dctt-muted); font-size: 0.82rem; }
.dctt-tool .dctt-scan-actions { display: flex; margin-top: 20px; gap: 10px; justify-content: center; flex-wrap: wrap; }
.dctt-tool .dctt-file-input { position: absolute !important; width: 1px !important; height: 1px !important; overflow: hidden !important; clip: rect(0 0 0 0) !important; }

.dctt-tool .dctt-feedback { min-height: 24px; margin-top: 12px; color: var(--dctt-muted); font-size: 0.88rem; font-weight: 600; text-align: center; }
.dctt-tool .dctt-feedback.is-error { color: var(--dctt-error); }
.dctt-tool .dctt-feedback.is-success { color: var(--dctt-success); }
.dctt-tool .dctt-feedback.is-info { color: var(--dctt-info); }
.dctt-tool .dctt-results { min-width: 0; overflow-wrap: anywhere; }

.dctt-tool .dctt-loading-card,
.dctt-tool .dctt-result-card,
.dctt-tool .dctt-error-card,
.dctt-tool .dctt-journey {
  margin-top: 22px;
  border: 1px solid var(--dctt-border);
  border-radius: 18px;
  background: #fff;
}
.dctt-tool .dctt-loading-card { display: grid; gap: 13px; padding: 25px; }
.dctt-tool .dctt-skeleton { display: block; height: 13px; max-width: 75%; border-radius: 8px; background: linear-gradient(90deg, #edf0f5 25%, #f8f9fb 45%, #edf0f5 65%); background-size: 220% 100%; animation: dctt-shimmer 1.3s ease-in-out infinite; }
.dctt-tool .dctt-skeleton:first-child { width: 35%; height: 22px; }
.dctt-tool .dctt-skeleton:nth-child(3) { width: 55%; }

.dctt-tool .dctt-result-card { overflow: hidden; box-shadow: 0 9px 28px rgba(23, 32, 51, 0.06); }
.dctt-tool .dctt-result-top { display: flex; padding: 24px 26px 18px; align-items: center; gap: 13px; }
.dctt-tool .dctt-status-mark {
  display: block;
  width: 14px;
  height: 14px;
  flex: none;
  border: 4px solid color-mix(in srgb, currentColor 18%, #fff);
  border-radius: 50%;
  color: var(--dctt-info);
  background: currentColor;
  box-shadow: 0 0 0 5px color-mix(in srgb, currentColor 10%, transparent);
}
.dctt-tool .dctt-status-copy { min-width: 0; }
.dctt-tool .dctt-kicker { display: block; color: var(--dctt-muted); font-size: 0.72rem; font-weight: 800; letter-spacing: 0.11em; text-transform: uppercase; }
.dctt-tool .dctt-status-title { margin: 1px 0 0; color: var(--dctt-text); font: inherit; font-size: 1.25rem; font-weight: 750; line-height: 1.25; }
.dctt-tool .dctt-status-delivered .dctt-status-mark { color: var(--dctt-success); }
.dctt-tool .dctt-status-exception .dctt-status-mark,
.dctt-tool .dctt-status-returned .dctt-status-mark,
.dctt-tool .dctt-status-expired .dctt-status-mark,
.dctt-tool .dctt-status-delivery_attempted .dctt-status-mark { color: var(--dctt-warning); }
.dctt-tool .dctt-status-pending .dctt-status-mark,
.dctt-tool .dctt-status-unknown .dctt-status-mark { color: #7b8496; }

.dctt-tool .dctt-latest { margin: 0 26px 22px; padding: 18px 20px; border-radius: 13px; background: var(--dctt-soft); }
.dctt-tool .dctt-detail-label { display: block; margin-bottom: 4px; color: var(--dctt-muted); font-size: 0.75rem; font-weight: 750; letter-spacing: 0.04em; text-transform: uppercase; }
.dctt-tool .dctt-latest p { margin: 0; color: var(--dctt-text); font-weight: 650; }
.dctt-tool .dctt-latest .dctt-latest-meta { margin-top: 5px; color: var(--dctt-muted); font-size: 0.84rem; font-weight: 500; }
.dctt-tool .dctt-details { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin: 0; padding: 0 26px 25px; gap: 18px 24px; }
.dctt-tool .dctt-detail { min-width: 0; }
.dctt-tool .dctt-detail dt { margin: 0 0 3px; color: var(--dctt-muted); font-size: 0.75rem; font-weight: 650; }
.dctt-tool .dctt-detail dd { margin: 0; color: var(--dctt-text); font-size: 0.92rem; font-weight: 700; overflow-wrap: anywhere; }

.dctt-tool .dctt-journey { padding: 25px 26px; }
.dctt-tool .dctt-journey-title { margin: 0 0 20px; color: var(--dctt-text); font: inherit; font-size: 1.08rem; font-weight: 750; }
.dctt-tool .dctt-timeline { margin: 0; padding: 0; list-style: none; }
.dctt-tool .dctt-timeline-item { position: relative; display: grid; grid-template-columns: 18px minmax(0, 1fr); gap: 14px; margin: 0; padding: 0 0 22px; }
.dctt-tool .dctt-timeline-item:last-child { padding-bottom: 0; }
.dctt-tool .dctt-timeline-item:not(:last-child)::before { position: absolute; top: 15px; bottom: -3px; left: 8px; width: 2px; content: ''; background: var(--dctt-border); }
.dctt-tool .dctt-timeline-marker { position: relative; z-index: 1; width: 12px; height: 12px; margin: 3px 0 0 3px; border: 3px solid #fff; border-radius: 50%; background: var(--dctt-info); box-shadow: 0 0 0 2px var(--dctt-info); }
.dctt-tool .dctt-status-delivered .dctt-timeline-marker { background: var(--dctt-success); box-shadow: 0 0 0 2px var(--dctt-success); }
.dctt-tool .dctt-status-exception .dctt-timeline-marker,
.dctt-tool .dctt-status-returned .dctt-timeline-marker { background: var(--dctt-warning); box-shadow: 0 0 0 2px var(--dctt-warning); }
.dctt-tool .dctt-timeline-content h4 { margin: 0; color: var(--dctt-text); font: inherit; font-size: 0.92rem; font-weight: 750; line-height: 1.35; }
.dctt-tool .dctt-timeline-content p { margin: 3px 0 0; color: #3d475b; font-size: 0.88rem; }
.dctt-tool .dctt-timeline-content .dctt-timeline-meta { color: var(--dctt-muted); font-size: 0.78rem; }

.dctt-tool .dctt-error-card { display: grid; grid-template-columns: auto minmax(0, 1fr); padding: 22px; align-items: start; gap: 14px; border-color: color-mix(in srgb, var(--dctt-error) 24%, var(--dctt-border)); background: color-mix(in srgb, var(--dctt-error) 4%, #fff); }
.dctt-tool .dctt-error-icon { display: grid; width: 31px; height: 31px; place-items: center; border-radius: 50%; color: #fff; background: var(--dctt-error); font-weight: 800; }
.dctt-tool .dctt-error-copy h3 { margin: 0; color: var(--dctt-text); font: inherit; font-size: 1rem; font-weight: 750; }
.dctt-tool .dctt-error-copy p { margin: 4px 0 0; color: var(--dctt-muted); font-size: 0.88rem; }

.dctt-tool .dctt-info { margin-top: 26px; padding: 20px 22px; border-radius: 14px; background: var(--dctt-soft); }
.dctt-tool .dctt-info h3 { margin: 0 0 8px; color: var(--dctt-text); font: inherit; font-size: 0.98rem; font-weight: 750; }
.dctt-tool .dctt-info ol { margin: 0; padding-left: 21px; color: var(--dctt-muted); font-size: 0.86rem; }
.dctt-tool .dctt-info li + li { margin-top: 3px; }
.dctt-tool .dctt-disclaimer { max-width: 730px; margin: 26px auto 0; color: var(--dctt-muted); font-size: 0.75rem; text-align: center; }

.dctt-tool .dctt-modal[hidden] { display: none !important; }
.dctt-tool .dctt-modal { position: fixed; z-index: 999999; inset: 0; display: grid; padding: max(14px, env(safe-area-inset-top)) max(14px, env(safe-area-inset-right)) max(14px, env(safe-area-inset-bottom)) max(14px, env(safe-area-inset-left)); place-items: center; }
.dctt-tool .dctt-modal-backdrop { position: absolute; inset: 0; background: rgba(9, 14, 28, 0.74); backdrop-filter: blur(5px); }
.dctt-tool .dctt-modal-panel { position: relative; width: min(100%, 520px); max-height: min(760px, calc(100dvh - 28px)); overflow: auto; padding: 22px; border: 1px solid rgba(255,255,255,0.18); border-radius: 20px; background: #fff; box-shadow: 0 24px 80px rgba(0,0,0,0.3); }
.dctt-tool .dctt-modal-heading { display: flex; margin-bottom: 16px; align-items: flex-start; justify-content: space-between; gap: 16px; }
.dctt-tool .dctt-eyebrow { display: block; margin-bottom: 2px; color: var(--dctt-primary); font-size: 0.68rem; font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase; }
.dctt-tool .dctt-modal-heading h3 { margin: 0; color: var(--dctt-text); font: inherit; font-size: 1.22rem; font-weight: 750; }
.dctt-tool .dctt-icon-button { display: grid; width: 42px; height: 42px; flex: none; padding: 0; place-items: center; border: 1px solid var(--dctt-border); border-radius: 11px; appearance: none; color: var(--dctt-text); background: #fff; cursor: pointer; }
.dctt-tool .dctt-icon-button svg { width: 21px; height: 21px; }
.dctt-tool .dctt-video-wrap { position: relative; overflow: hidden; aspect-ratio: 4 / 3; border-radius: 15px; background: #111827; }
.dctt-tool .dctt-video { position: relative; z-index: 1; display: block; width: 100%; height: 100%; object-fit: cover; }
.dctt-tool .dctt-video-placeholder { position: absolute; inset: 0; display: grid; place-items: center; color: rgba(255,255,255,0.42); }
.dctt-tool .dctt-video-placeholder svg { width: 52px; height: 52px; }
.dctt-tool .dctt-scan-frame { position: absolute; z-index: 2; inset: 20% 9%; border: 2px solid rgba(255,255,255,0.9); border-radius: 12px; box-shadow: 0 0 0 999px rgba(5,9,18,0.28); pointer-events: none; }
.dctt-tool .dctt-scan-frame span { position: absolute; top: 50%; left: 7%; width: 86%; height: 2px; background: var(--dctt-primary); box-shadow: 0 0 12px color-mix(in srgb, var(--dctt-primary) 65%, transparent); animation: dctt-scanline 2s ease-in-out infinite; }
.dctt-tool .dctt-scanner-status { min-height: 24px; margin: 15px 0 0; color: var(--dctt-text); font-size: 0.9rem; font-weight: 650; text-align: center; }
.dctt-tool .dctt-scanner-status.is-error { color: var(--dctt-error); }
.dctt-tool .dctt-privacy { margin: 8px auto 17px; color: var(--dctt-muted); font-size: 0.75rem; text-align: center; }
.dctt-tool .dctt-modal-cancel { width: 100%; }
.dctt-tool .dctt-candidates { margin: 12px 0; padding: 13px; border-radius: 12px; background: var(--dctt-soft); }
.dctt-tool .dctt-candidates p { margin: 0 0 9px; color: var(--dctt-text); font-size: 0.84rem; font-weight: 650; }
.dctt-tool .dctt-candidate { display: block; width: 100%; margin: 7px 0 0; padding: 10px 12px; border: 1px solid var(--dctt-border); border-radius: 9px; color: var(--dctt-primary); background: #fff; cursor: pointer; font: inherit; font-size: 0.88rem; font-weight: 750; overflow-wrap: anywhere; }
.dctt-modal-open { overflow: hidden !important; }

@keyframes dctt-spin { to { transform: rotate(360deg); } }
@keyframes dctt-shimmer { to { background-position: -220% 0; } }
@keyframes dctt-scanline { 0%, 100% { transform: translateY(-45px); opacity: 0.55; } 50% { transform: translateY(45px); opacity: 1; } }

@media (max-width: 700px) {
  .dctt-tool { margin: 18px auto; }
  .dctt-tool .dctt-form-row { grid-template-columns: minmax(0, 1fr); }
  .dctt-tool .dctt-button-primary { width: 100%; }
  .dctt-tool .dctt-details { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 480px) {
  .dctt-tool .dctt-shell { padding: 23px 16px; border-radius: 17px; }
  .dctt-tool .dctt-header { margin-bottom: 24px; }
  .dctt-tool .dctt-brand-icon { width: 46px; height: 46px; border-radius: 14px; }
  .dctt-tool .dctt-scan-actions { display: grid; grid-template-columns: minmax(0, 1fr); }
  .dctt-tool .dctt-scan-actions .dctt-button { width: 100%; }
  .dctt-tool .dctt-result-top { padding: 20px 18px 15px; }
  .dctt-tool .dctt-latest { margin: 0 18px 18px; padding: 16px; }
  .dctt-tool .dctt-details { grid-template-columns: minmax(0, 1fr); padding: 0 18px 20px; gap: 13px; }
  .dctt-tool .dctt-journey { padding: 20px 18px; }
  .dctt-tool .dctt-modal-panel { padding: 16px; border-radius: 16px; }
  .dctt-tool .dctt-video-wrap { aspect-ratio: 3 / 4; max-height: 55dvh; }
  .dctt-tool .dctt-scan-frame { inset: 28% 7%; }
}

@media (prefers-reduced-motion: reduce) {
  .dctt-tool *, .dctt-tool *::before, .dctt-tool *::after { scroll-behavior: auto !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}