:root {
  --bg: #f3efe7;
  --bg-accent: #e8dfd1;
  --panel: rgba(255, 252, 247, 0.92);
  --border: #d2c3af;
  --text: #2f2419;
  --muted: #6d5d4d;
  --brand: #1e6b52;
  --brand-strong: #124b39;
  --danger: #9d3f2c;
  --warning: #9a6700;
  --shadow: 0 20px 45px rgba(47, 36, 25, 0.12);
  --radius-lg: 24px;
  --radius-md: 16px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  font-family: "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(30, 107, 82, 0.16), transparent 28%),
    linear-gradient(135deg, var(--bg) 0%, var(--bg-accent) 100%);
  color: var(--text);
}

button,
input {
  font: inherit;
}

.app-shell {
  width: calc(100% - 32px);
  max-width: 1180px;
  margin: 0 auto;
  padding: 32px 0 48px;
}

.hero {
  margin-bottom: 24px;
}

.eyebrow {
  margin: 0 0 8px;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--brand);
}

.hero h1 {
  margin: 0;
  font-size: clamp(2rem, 3vw, 3.2rem);
  line-height: 1.05;
}

.hero-copy {
  max-width: 720px;
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 1.02rem;
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.65fr);
  gap: 20px;
}

.panel {
  background: var(--panel);
  border: 1px solid rgba(210, 195, 175, 0.82);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.scanner-panel,
.result-panel,
.history-panel {
  padding: 22px;
}

.scanner-panel {
  margin-bottom: 20px;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
}

.panel-header h2 {
  margin: 0;
  font-size: 1.2rem;
}

.panel-header p {
  margin: 6px 0 0;
  color: var(--muted);
}

.scanner-header-actions,
.camera-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.hidden-file-input {
  display: none;
}

.field-label {
  display: inline-block;
  margin: 22px 0 10px;
  font-weight: 700;
}

.scanner-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
}

.scanner-input {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  font-size: 1.25rem;
  background: #fff;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.scanner-input:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 4px rgba(30, 107, 82, 0.12);
}

.action-button,
.secondary-button,
.mode-button {
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  transition: transform 0.18s ease, opacity 0.18s ease, background 0.18s ease;
}

.action-button:hover,
.secondary-button:hover,
.mode-button:hover {
  transform: translateY(-1px);
}

.action-button {
  padding: 0 22px;
  background: var(--brand);
  color: #fff;
  font-weight: 700;
}

.secondary-button {
  padding: 10px 16px;
  background: rgba(30, 107, 82, 0.1);
  color: var(--brand-strong);
  font-weight: 700;
}

.button-hidden {
  display: none;
}

.mode-selector {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.mode-button {
  padding: 11px 16px;
  background: #efe7da;
  color: var(--muted);
  font-weight: 700;
}

.mode-button.active {
  background: var(--brand-strong);
  color: #fff;
}

.scanner-status {
  margin: 18px 0 0;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  background: rgba(30, 107, 82, 0.1);
  color: var(--brand-strong);
}

.scanner-status.warning {
  background: rgba(154, 103, 0, 0.12);
  color: var(--warning);
}

.scanner-status.danger {
  background: rgba(157, 63, 44, 0.12);
  color: var(--danger);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(30, 107, 82, 0.12);
  color: var(--brand-strong);
  font-weight: 700;
  white-space: normal;
}

.result-card {
  min-height: 260px;
  margin-top: 22px;
  border-radius: var(--radius-lg);
  padding: 22px;
  background: linear-gradient(160deg, #fffdf8 0%, #f8f0e1 100%);
  border: 1px solid #eadbc5;
}

.result-card.empty {
  display: grid;
  place-items: center;
}

.result-placeholder {
  margin: 0;
  color: var(--muted);
  text-align: center;
}

.result-topline {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  margin-bottom: 18px;
}

.result-product-name {
  margin: 0;
  font-size: clamp(1.55rem, 2.5vw, 2.25rem);
}

.result-status {
  margin: 6px 0 0;
  color: var(--muted);
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.detail-box {
  padding: 16px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid #e9dbc8;
}

.detail-box span {
  display: block;
  color: var(--muted);
  font-size: 0.92rem;
}

.detail-box strong {
  display: block;
  margin-top: 6px;
  font-size: 1.1rem;
}

.history-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.history-item {
  padding: 14px 16px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid #ecdfce;
}

.history-item.pending {
  border-color: rgba(30, 107, 82, 0.36);
  background: rgba(30, 107, 82, 0.08);
  animation: syncPulse 1.1s ease-in-out infinite alternate;
}

.history-item.failed {
  border-color: rgba(157, 63, 44, 0.32);
  background: rgba(157, 63, 44, 0.08);
}

.history-item strong,
.history-item span {
  display: block;
}

.history-item span {
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.92rem;
}

.camera-modal {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 20px;
  z-index: 30;
}

.camera-modal.hidden {
  display: none;
}

.camera-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(47, 36, 25, 0.48);
  backdrop-filter: blur(6px);
}

.camera-modal-card {
  position: relative;
  width: min(760px, 100%);
  padding: 22px;
  border-radius: var(--radius-lg);
  background: rgba(255, 252, 247, 0.98);
  border: 1px solid rgba(210, 195, 175, 0.82);
  box-shadow: var(--shadow);
}

.camera-stage {
  position: relative;
  margin: 20px 0 18px;
  aspect-ratio: 16 / 10;
  border-radius: 24px;
  overflow: hidden;
  background: #1f1a15;
}

.camera-preview {
  width: 100%;
  height: 100%;
  display: block;
  background: #1f1a15;
}

.camera-preview video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.camera-frame {
  position: absolute;
  inset: 18% 14%;
  border: 3px solid rgba(255, 255, 255, 0.92);
  border-radius: 22px;
  box-shadow: 0 0 0 999px rgba(0, 0, 0, 0.16);
}

@keyframes syncPulse {
  from {
    transform: translateY(0);
    box-shadow: 0 0 0 rgba(30, 107, 82, 0);
  }

  to {
    transform: translateY(-1px);
    box-shadow: 0 10px 24px rgba(30, 107, 82, 0.08);
  }
}

@media (min-width: 1080px) {
  .hero {
    margin-bottom: 28px;
  }

  .scanner-panel,
  .result-panel,
  .history-panel {
    padding: 24px;
  }

  .content-grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(320px, 0.72fr);
    align-items: start;
  }

  .history-panel {
    position: sticky;
    top: 24px;
  }
}

@media (max-width: 880px) {
  .app-shell {
    width: calc(100% - 24px);
    padding: 24px 0 32px;
  }

  .hero {
    margin-bottom: 18px;
  }

  .hero h1 {
    font-size: clamp(1.8rem, 6vw, 2.4rem);
  }

  .hero-copy {
    max-width: none;
    font-size: 0.98rem;
  }

  .content-grid {
    grid-template-columns: 1fr;
  }

  .scanner-row {
    grid-template-columns: 1fr;
  }

  .action-button {
    min-height: 52px;
  }

  .camera-modal-card {
    padding: 18px;
  }

  .detail-grid {
    grid-template-columns: 1fr;
  }

  .result-topline {
    align-items: flex-start;
    flex-direction: column;
  }

  .panel-header {
    flex-direction: column;
  }

  .panel-header .badge {
    width: 100%;
  }
}

@media (max-width: 560px) {
  .app-shell {
    width: calc(100% - 16px);
    padding-top: 14px;
    padding-bottom: 24px;
  }

  .scanner-panel,
  .result-panel,
  .history-panel {
    padding: 16px;
  }

  body {
    background:
      linear-gradient(180deg, rgba(30, 107, 82, 0.08) 0%, transparent 120px),
      linear-gradient(180deg, #f5f0e7 0%, #efe6d8 100%);
  }

  .hero {
    margin-bottom: 14px;
  }

  .eyebrow {
    margin-bottom: 6px;
    font-size: 0.72rem;
    letter-spacing: 0.14em;
  }

  .hero h1 {
    font-size: 1.85rem;
    line-height: 1.02;
  }

  .hero-copy {
    margin-top: 8px;
    font-size: 0.92rem;
  }

  .scanner-header-actions,
  .camera-actions {
    width: 100%;
    flex-direction: column;
  }

  .scanner-panel {
    margin-bottom: 14px;
  }

  .panel {
    border-radius: 20px;
  }

  .panel-header h2 {
    font-size: 1.08rem;
  }

  .panel-header p {
    font-size: 0.92rem;
  }

  .field-label {
    margin-top: 16px;
  }

  .scanner-input {
    padding: 14px 16px;
    font-size: 1.05rem;
  }

  .mode-selector {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

  .mode-button {
    min-height: 44px;
    padding: 10px 12px;
    text-align: center;
  }

  .mode-button:last-child {
    grid-column: 1 / -1;
  }

  .scanner-status {
    margin-top: 14px;
    padding: 12px 14px;
    font-size: 0.92rem;
  }

  .badge {
    padding: 10px 12px;
    border-radius: 16px;
    font-size: 0.92rem;
    line-height: 1.35;
  }

  .result-card {
    min-height: 0;
    margin-top: 16px;
    padding: 16px;
  }

  .result-product-name {
    font-size: 1.65rem;
  }

  .detail-box {
    padding: 14px;
  }

  .detail-box strong {
    font-size: 1rem;
    word-break: break-word;
  }

  .history-list {
    margin-top: 16px;
    gap: 10px;
  }

  .history-item {
    padding: 12px 14px;
  }

  .history-item strong {
    font-size: 1rem;
    line-height: 1.3;
  }

  .history-item span {
    font-size: 0.9rem;
    word-break: break-word;
  }

  .camera-modal {
    padding: 10px;
    align-items: end;
  }

  .camera-modal-card {
    width: 100%;
    max-height: min(92vh, 760px);
    overflow: auto;
    padding: 16px;
    border-radius: 22px 22px 18px 18px;
  }

  .camera-stage {
    margin: 16px 0 14px;
    aspect-ratio: 4 / 3;
    border-radius: 18px;
  }

  .camera-frame {
    inset: 20% 10%;
    border-radius: 18px;
  }
}