:root {
  color-scheme: light;
  --background: #f3f1ec;
  --surface: #ffffff;
  --ink: #111111;
  --muted: #6f6c65;
  --line: #dedbd3;
  --accent: #ff5c35;
  --accent-dark: #db3f1b;
  --soft: #ebe8e0;
  --success: #16794b;
  --shadow: 0 18px 60px rgba(20, 18, 14, 0.09);
  --radius-xl: 30px;
  --radius-lg: 22px;
  --radius-md: 16px;
}

* { box-sizing: border-box; }

html { background: var(--background); }

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 15% 0%, rgba(255, 92, 53, 0.13), transparent 27rem),
    var(--background);
}

button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }

.app-shell {
  width: min(760px, 100%);
  margin: 0 auto;
  padding: max(24px, env(safe-area-inset-top)) 18px calc(44px + env(safe-area-inset-bottom));
}

.topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
}

h1, h2, p { margin: 0; }
h1 { font-size: clamp(2rem, 8vw, 3.5rem); line-height: 0.95; letter-spacing: -0.055em; }
h2 { font-size: 1.18rem; letter-spacing: -0.025em; }

.eyebrow {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  margin-bottom: 7px;
}

.status-dot {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,0.7);
  font-size: 0.78rem;
  font-weight: 750;
}

.status-dot span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 4px rgba(22,121,75,0.12);
}

.scanner-card, .manual-card, .result-card {
  background: var(--surface);
  border: 1px solid rgba(17,17,17,0.06);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
}

.scanner-card { padding: 18px; }
.scanner-heading { padding: 4px 5px 16px; }
.scanner-heading p, .manual-card p { color: var(--muted); margin-top: 5px; font-size: 0.94rem; }

.reader {
  position: relative;
  min-height: 330px;
  overflow: hidden;
  border-radius: 22px;
  background: #121212;
}

#reader video {
  width: 100% !important;
  height: 100% !important;
  min-height: 330px;
  object-fit: cover;
}

#reader img { object-fit: contain; }
#reader__scan_region { min-height: 330px; }
#reader__dashboard { display: none !important; }

.scanner-placeholder {
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  gap: 20px;
  text-align: center;
  color: rgba(255,255,255,0.65);
}

.barcode-art {
  width: 190px;
  height: 110px;
  display: flex;
  align-items: stretch;
  justify-content: center;
  gap: 8px;
  padding: 16px;
  border: 2px solid rgba(255,255,255,0.82);
  border-radius: 18px;
  box-shadow: 0 0 0 999px rgba(0,0,0,0.12);
}

.barcode-art i { display: block; background: white; border-radius: 3px; }
.barcode-art i:nth-child(1), .barcode-art i:nth-child(4), .barcode-art i:nth-child(8) { width: 7px; }
.barcode-art i:nth-child(2), .barcode-art i:nth-child(6) { width: 13px; }
.barcode-art i:nth-child(3), .barcode-art i:nth-child(7), .barcode-art i:nth-child(9) { width: 4px; }
.barcode-art i:nth-child(5) { width: 18px; }

.scanner-actions, .result-actions {
  display: flex;
  gap: 10px;
  margin-top: 14px;
  flex-wrap: wrap;
}

.button {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 17px;
  border: 0;
  border-radius: 15px;
  text-decoration: none;
  cursor: pointer;
  font-weight: 800;
  transition: transform 140ms ease, opacity 140ms ease, background 140ms ease;
}

.button:active { transform: scale(0.975); }
.button:disabled { opacity: 0.5; cursor: not-allowed; }
.button.primary { background: var(--ink); color: white; }
.button.primary:hover { background: #2b2b2b; }
.button.secondary { background: var(--soft); color: var(--ink); }
.button.compact { min-height: 48px; }
.button-icon { font-size: 1.5rem; line-height: 1; transform: rotate(45deg); }
#startButton { flex: 1 1 190px; }
.upload-button { flex: 1 1 120px; }

.hint {
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.45;
  margin: 12px 5px 0;
}

.result-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: center;
  margin-top: 16px;
  padding: 18px;
  border-color: rgba(22,121,75,0.18);
}

.success-mark {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 15px;
  background: rgba(22,121,75,0.11);
  color: var(--success);
  font-size: 1.4rem;
  font-weight: 900;
}

.result-content { min-width: 0; }
.result-text {
  overflow-wrap: anywhere;
  font-size: clamp(1.25rem, 6vw, 2rem);
  font-weight: 850;
  letter-spacing: -0.03em;
}
.format-text { color: var(--muted); font-size: 0.8rem; margin-top: 3px; }
.result-actions { grid-column: 1 / -1; }
.result-actions > * { flex: 1; }

.manual-card {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 16px;
  padding: 20px;
}

.manual-form { display: flex; gap: 9px; }
.manual-form input {
  width: 100%;
  min-width: 0;
  min-height: 48px;
  border: 1px solid var(--line);
  border-radius: 15px;
  padding: 0 14px;
  outline: none;
  background: #fbfaf7;
  color: var(--ink);
}
.manual-form input:focus { border-color: var(--ink); box-shadow: 0 0 0 3px rgba(17,17,17,0.08); }

.history-section { margin-top: 30px; }
.section-title-row { display: flex; align-items: end; justify-content: space-between; padding: 0 4px 12px; }
.text-button { border: 0; background: none; padding: 7px; color: var(--muted); cursor: pointer; font-weight: 750; }
.history-list { display: grid; gap: 9px; }
.history-item {
  width: 100%;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 10px;
  text-align: left;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.72);
  padding: 14px 15px;
  cursor: pointer;
}
.history-code { font-weight: 820; overflow-wrap: anywhere; }
.history-meta { color: var(--muted); font-size: 0.76rem; margin-top: 3px; }
.history-arrow { font-size: 1.2rem; color: var(--muted); }
.empty-state { color: var(--muted); text-align: center; padding: 28px 0; }

.toast {
  position: fixed;
  left: 50%;
  bottom: calc(22px + env(safe-area-inset-bottom));
  transform: translate(-50%, 20px);
  max-width: calc(100% - 36px);
  padding: 12px 16px;
  border-radius: 999px;
  background: var(--ink);
  color: white;
  font-weight: 750;
  font-size: 0.88rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease, transform 180ms ease;
  z-index: 30;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.hidden { display: none !important; }

@media (min-width: 660px) {
  .app-shell { padding-left: 24px; padding-right: 24px; }
  .scanner-card { padding: 22px; }
  .manual-card { grid-template-columns: 0.9fr 1.1fr; align-items: center; }
}

@media (max-width: 430px) {
  .manual-form { flex-direction: column; }
  .manual-form .button { width: 100%; }
  .reader, #reader video, #reader__scan_region { min-height: 300px; }
}