.main-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 40px;
  align-items: start;
  padding: 48px 40px 64px;
  max-width: 1280px;
  margin: 0 auto;
}

.drop-zone {
  border: 2px dashed var(--blue-border2);
  border-radius: var(--radius-lg);
  background: var(--blue-pale);
  padding: 48px 32px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
  position: relative;
}

.drop-zone:hover, .drop-zone.drag-over {
  border-color: var(--blue-brand);
  background: var(--blue-light);
}

.drop-zone input[type="file"] {
  position: absolute; inset: 0;
  opacity: 0; cursor: pointer; width: 100%; height: 100%;
}

.drop-icon {
  width: 56px; height: 56px;
  background: var(--blue-light); border: 1.5px solid var(--blue-border2);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 16px;
}

.drop-icon svg { width: 26px; height: 26px; }

.drop-title {
  font-size: 16px; font-weight: 700; color: var(--blue-dark);
  margin-bottom: 6px;
}

.drop-sub {
  font-size: 13.5px; color: var(--text-muted); margin-bottom: 18px;
}

.drop-methods {
  display: flex; align-items: center; justify-content: center;
  gap: 10px; flex-wrap: wrap;
}

.drop-method-pill {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--white); border: 1px solid var(--blue-border);
  border-radius: 20px; padding: 5px 12px;
  font-size: 12px; font-weight: 500; color: var(--text-muted);
}

.drop-method-pill svg { width: 12px; height: 12px; }

.drop-divider {
  display: flex; align-items: center; gap: 12px;
  margin: 20px 0; color: var(--text-hint);
  font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.6px;
}

.drop-divider::before, .drop-divider::after {
  content: ''; flex: 1; height: 1px; background: var(--blue-border);
}

.paste-row {
  display: flex; gap: 8px; position: relative; z-index: 1;
}

.paste-input {
  flex: 1; border: 1.5px solid var(--blue-border2);
  border-radius: var(--radius-sm); padding: 10px 14px;
  font-size: 13.5px; color: var(--blue-dark); background: var(--white);
  outline: none; transition: border-color 0.2s; font-family: inherit;
}

.paste-input:focus { border-color: var(--blue-brand); }
.paste-input::placeholder { color: var(--text-hint); }

.paste-btn {
  background: var(--blue-brand); color: var(--white);
  border: none; border-radius: var(--radius-sm);
  padding: 10px 18px; font-size: 13.5px; font-weight: 700;
  cursor: pointer; white-space: nowrap; font-family: inherit;
  transition: background 0.15s;
}

.paste-btn:hover { background: #1060c0; }

.preview-area {
  display: none;
  margin-top: 20px;
  background: var(--white);
  border: 1px solid var(--blue-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.preview-area.visible { display: block; }

.preview-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px;
  background: var(--blue-pale);
  border-bottom: 1px solid var(--blue-border);
}

.preview-header span {
  font-size: 12px; font-weight: 600; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: 0.8px;
}

.preview-clear {
  background: none; border: none; cursor: pointer;
  font-size: 12px; font-weight: 600; color: var(--text-muted);
  display: flex; align-items: center; gap: 4px;
  transition: color 0.15s; font-family: inherit; padding: 0;
}

.preview-clear:hover { color: #b03030; }
.preview-clear svg { width: 12px; height: 12px; }

.preview-img-wrap {
  padding: 16px;
  display: flex; align-items: center; justify-content: center;
  background: #f9f9f9;
  min-height: 160px;
}

.preview-img-wrap img {
  max-height: 200px; max-width: 100%;
  border-radius: var(--radius-sm);
  object-fit: contain;
}

.decode-btn {
  width: 100%; background: var(--blue-brand); color: var(--white);
  border: none; border-radius: var(--radius-sm);
  padding: 13px; font-size: 15px; font-weight: 700;
  cursor: pointer; margin-top: 16px; font-family: inherit;
  display: flex; align-items: center; justify-content: center; gap: 9px;
  transition: background 0.15s, transform 0.1s;
}

.decode-btn:hover { background: #1060c0; }
.decode-btn:active { transform: scale(0.99); }
.decode-btn:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }
.decode-btn svg { width: 17px; height: 17px; }

.decode-btn .btn-spinner {
  display: none; width: 17px; height: 17px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff; border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

.decode-btn.loading .btn-spinner { display: inline-block; }
.decode-btn.loading .btn-label   { display: none; }

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

.result-panel {
  display: none;
  margin-top: 24px;
  border: 1px solid var(--blue-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.result-panel.visible { display: block; }

.result-panel-header {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--blue-border);
}

.result-panel-header.is-url  { background: var(--green-pale); border-bottom-color: var(--green-border); }
.result-panel-header.is-text { background: var(--blue-pale); }
.result-panel-header.is-error{ background: #fff0f0; border-bottom-color: #f5c0c0; }

.result-type-icon {
  width: 34px; height: 34px; border-radius: 8px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
}

.is-url  .result-type-icon { background: #d2f5e2; }
.is-text .result-type-icon { background: var(--blue-light); }
.is-error .result-type-icon { background: #fdd8d8; }

.result-type-icon svg { width: 17px; height: 17px; }

.result-type-label strong {
  display: block; font-size: 14px; font-weight: 700;
  color: var(--blue-dark); margin-bottom: 2px;
}

.result-type-label span { font-size: 12px; color: var(--text-muted); }

.result-body { padding: 16px 18px; background: var(--white); }

.result-text-box {
  background: var(--blue-pale); border: 1px solid var(--blue-border);
  border-radius: var(--radius-sm); padding: 12px 14px;
  font-family: 'Courier New', monospace; font-size: 13px;
  color: var(--blue-dark); word-break: break-all; line-height: 1.6;
  margin-bottom: 14px;
}

.result-actions { display: flex; gap: 10px; flex-wrap: wrap; }

.result-btn {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 10px 20px; border-radius: var(--radius-sm);
  font-size: 13.5px; font-weight: 700; cursor: pointer;
  text-decoration: none; transition: background 0.15s, transform 0.1s;
  font-family: inherit; border: none;
}

.result-btn:active { transform: scale(0.98); }
.result-btn svg { width: 14px; height: 14px; }

.result-btn.primary { background: var(--blue-brand); color: var(--white); }
.result-btn.primary:hover { background: #1060c0; text-decoration: none; color: var(--white); }

.result-btn.secondary {
  background: var(--white); color: var(--blue-brand);
  border: 1.5px solid var(--blue-border2);
}

.result-btn.secondary:hover { background: var(--blue-pale); text-decoration: none; }
.result-btn.secondary.copied { background: var(--green-pale); border-color: var(--green-border); color: var(--green-text); }

.result-note {
  font-size: 13px; color: var(--text-muted);
  background: var(--amber-pale); border: 1px solid var(--amber-border);
  border-radius: var(--radius-sm); padding: 10px 14px;
  margin-bottom: 14px; line-height: 1.6;
}

.result-note strong { color: var(--amber-text); }

.sidebar { display: flex; flex-direction: column; gap: 20px; position: sticky; top: calc(var(--nav-height) + 24px); }

.sidebar-card {
  background: var(--white); border: 1px solid var(--blue-border);
  border-radius: var(--radius-lg); overflow: hidden;
}

.sidebar-card-title {
  padding: 13px 18px;
  font-size: 11px; font-weight: 700; letter-spacing: 1px;
  text-transform: uppercase; color: var(--text-muted);
  background: var(--blue-pale); border-bottom: 1px solid var(--blue-border);
}

.sidebar-tip-list { list-style: none; }

.sidebar-tip-item {
  display: flex; gap: 12px; align-items: flex-start;
  padding: 13px 16px; border-bottom: 1px solid var(--blue-border);
}

.sidebar-tip-item:last-child { border-bottom: none; }

.sidebar-tip-icon {
  width: 30px; height: 30px; flex-shrink: 0;
  background: var(--blue-light); border-radius: 7px;
  display: flex; align-items: center; justify-content: center;
}

.sidebar-tip-icon svg { width: 15px; height: 15px; }

.sidebar-tip-text strong {
  display: block; font-size: 13px; font-weight: 700;
  color: var(--blue-dark); margin-bottom: 3px;
}

.sidebar-tip-text span { font-size: 12.5px; color: var(--text-muted); line-height: 1.55; }

.sidebar-cta {
  background: var(--blue-dark); border-radius: var(--radius-lg);
  padding: 20px 18px; text-align: center;
}

.sidebar-cta p { font-size: 13px; color: #8ab0d8; line-height: 1.6; margin-bottom: 14px; }

.sidebar-cta a {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  background: var(--white); color: var(--blue-brand);
  border-radius: var(--radius-sm); padding: 10px 20px;
  font-size: 13px; font-weight: 700; text-decoration: none;
  width: 100%; transition: background 0.15s;
}

.sidebar-cta a:hover { background: var(--blue-pale); text-decoration: none; }
.sidebar-cta a svg { width: 14px; height: 14px; }

#decode-canvas { display: none; }

.types-section {
  background: var(--blue-pale);
  border-top: 1px solid var(--blue-border);
  border-bottom: 1px solid var(--blue-border);
}

.types-section .inner { padding: 48px 40px; }

.types-section-label {
  font-size: 11px; font-weight: 700; letter-spacing: 1.2px;
  text-transform: uppercase; color: var(--blue-mid); margin-bottom: 10px;
}

.types-section h2 {
  font-size: 22px; font-weight: 800; color: var(--blue-dark);
  letter-spacing: -0.4px; margin-bottom: 6px;
}

.types-section .types-sub {
  font-size: 14px; color: var(--text-muted); margin-bottom: 28px;
}

.types-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.type-card {
  background: var(--white);
  border: 1px solid var(--blue-border);
  border-radius: var(--radius-md);
  padding: 16px 16px 14px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  transition: box-shadow 0.15s, transform 0.15s;
}

.type-card:hover {
  box-shadow: 0 4px 16px rgba(19,84,163,0.08);
  transform: translateY(-1px);
}

.type-card-icon {
  width: 36px; height: 36px; flex-shrink: 0;
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
}

.type-card-icon svg { width: 18px; height: 18px; }

.icon-url      { background: #d2f5e2; }
.icon-wifi     { background: var(--blue-light); }
.icon-contact  { background: #fdecc5; }
.icon-event    { background: #fdecc5; }
.icon-email    { background: var(--blue-light); }
.icon-phone    { background: #d2f5e2; }
.icon-sms      { background: var(--blue-light); }
.icon-location { background: #fdecc5; }
.icon-crypto   { background: #fddec5; }
.icon-otp      { background: #fdd8d8; }
.icon-app      { background: #f1efe8; }
.icon-text     { background: var(--blue-pale); }

.type-card-body strong {
  display: block; font-size: 13.5px; font-weight: 700;
  color: var(--blue-dark); margin-bottom: 3px;
}

.type-card-body span {
  font-size: 12.5px; color: var(--text-muted); line-height: 1.5;
}

@media (max-width: 900px) {
  .main-layout { grid-template-columns: 1fr; padding: 36px 40px 56px; }
  .sidebar { position: static; }
}

@media (max-width: 820px) {
  .main-layout { padding: 32px 20px 48px; }
  .types-section .inner { padding: 36px 20px; }
  .types-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .result-actions { flex-direction: column; }
  .result-btn { justify-content: center; }
  .types-grid { grid-template-columns: 1fr; }
}