:root {
  --bg: #f7f8fa;
  --card: #ffffff;
  --muted: #7b8794;
  --accent: #3563f7;
  --accent-2: #00bfa6;
  --danger: #e64b4b;
  --radius: 16px;
  --shadow: 0 8px 20px rgba(0,0,0,0.08);
  font-family: 'Poppins', system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
}

* { box-sizing: border-box; margin:0; padding:0; }
html, body { height:100%; background:var(--bg); -webkit-font-smoothing:antialiased; }

body {
  display:flex;
  justify-content:center;
  align-items:flex-start;
  padding:20px;
}

.app { width:100%; max-width:900px; }

.card {
  background:var(--card);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:32px;
  display:flex;
  flex-direction:column;
  gap:24px;
}

.card__header {
  display:flex;
  align-items:center;
  gap:16px;
}

.logo {
  width:120px;
  max-width:30%;
  height:auto;
}

.title {
  font-size:24px;
  font-weight:600;
  color:#111827;
}

.subtitle {
  font-size:14px;
  color:var(--muted);
  margin-top:4px;
}

.form {
  display:flex;
  flex-direction:column;
  gap:16px;
}

.field {
  display:flex;
  flex-direction:column;
  gap:6px;
  width:100%;
}

.field__label {
  font-size:13px;
  color:var(--muted);
  margin-bottom:4px;
}

.file-wrapper {
  position: relative;
  display:flex;
  align-items:center;
  gap:12px;
}

.file-wrapper input[type=file] {
  position:absolute;
  inset:0;
  opacity:0;
  cursor:pointer;
  z-index:2;
}

.file-btn {
  flex:1;
  padding:10px 24px;
  border-radius:25px;
  background:var(--accent);
  color:#fff;
  font-weight:600;
  cursor:pointer;
  text-align:center;
  transition:transform .15s ease, box-shadow .2s ease, background .2s ease;
}

.file-wrapper:hover .file-btn {
  transform:translateY(-2px) scale(1.05);
  background:#5b7dff;
  box-shadow:0 8px 18px rgba(53,99,247,0.2);
}

.file-btn:active {
  transform:translateY(0) scale(.98);
}

button {
  padding:12px 20px;
  border-radius:25px;
  font-weight:600;
  cursor:pointer;
  border:none;
  background:var(--accent);
  color:#fff;
  transition:transform .15s ease, box-shadow .2s ease, background .2s ease;
}

button:hover {
  transform:translateY(-2px);
  box-shadow:0 6px 16px rgba(53,99,247,0.15);
}

.preview-card {
  display:flex;
  flex-direction:column;
  gap:8px;
  opacity:0;
  transform:translateY(10px) scale(.98);
  pointer-events:none;
  transition:opacity .25s ease, transform .25s ease;
}

.preview-card[aria-hidden="false"] {
  opacity:1;
  transform:translateY(0) scale(1);
  pointer-events:auto;
}

.preview-label {
  font-size:13px;
  font-weight:600;
  color:var(--muted);
}

.preview-card img {
  display:block;
  width:100%;
  max-height:320px;
  object-fit:contain;
  border-radius:var(--radius);
  box-shadow:var(--shadow);
}

.result-card {
  display:flex;
  flex-direction:column;
  gap:12px;
  min-height:220px;
}

.result {
  border-radius:14px;
  background:#fff;
  padding:16px;
  border:1px solid rgba(0,0,0,.05);
  box-shadow:0 6px 18px rgba(0,0,0,.03);
  opacity:0;
  transform:translateY(10px) scale(.98);
  pointer-events:none;
  transition:opacity .25s ease, transform .25s ease;
  min-height:100%; /* fills reserved space */
}

.result[aria-hidden="false"] {
  opacity:1;
  transform:translateY(0) scale(1);
  pointer-events:auto;
}

.result__meta {
  display:flex;
  justify-content:space-between;
  align-items:center;
  margin-bottom:8px;
}

.result__label {
  font-size:13px;
  color:var(--muted);
  font-weight:600;
}

.result__text {
  font-family:ui-monospace, SFMono-Regular, Menlo, Monaco, monospace;
  font-size:14px;
  white-space:pre-wrap;
  word-break:break-word;
  max-height:300px;
  overflow-y:auto;
  padding:10px;
  border-radius:10px;
  background:rgba(10,15,25,.02);
  border:1px dashed rgba(0,0,0,.05);
}

.card__footer {
  font-size:12px;
  color:var(--muted);
  text-align:center;
}

.camera-modal {
  position:fixed;
  inset:0;
  background:rgba(0,0,0,.85);
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  padding:16px;
  opacity:0;
  pointer-events:none;
  transform:scale(.95);
  transition:opacity .25s ease, transform .25s ease;
}

.camera-modal.show {
  opacity:1;
  pointer-events:auto;
  transform:scale(1);
}

#cameraVideo {
  width:100%;
  max-width:480px;
  border-radius:var(--radius);
  object-fit:cover;
  box-shadow:var(--shadow);
}

.camera-controls {
  margin-top:16px;
  display:flex;
  gap:16px;
}

.icon-btn {
  background:rgba(255,255,255,.15);
  border:none;
  border-radius:50%;
  padding:12px;
  font-size:20px;
  color:#fff;
  cursor:pointer;
  transition:transform .15s ease, background .15s ease;
}

.icon-btn:hover {
  background:rgba(255,255,255,.3);
  transform:scale(1.1);
}

#toastContainer {
  position:fixed;
  top:20px;
  right:20px;
  width:260px;
  z-index:2000;
  pointer-events:none;
}

.toast {
  display:block;
  margin-bottom:10px;
  padding:14px 20px;
  border-radius:14px;
  background:var(--danger);
  color:#fff;
  box-shadow:0 6px 18px rgba(0,0,0,.2);
  transform:translateX(300%);
  opacity:0;
  animation:slideIn .4s forwards, fadeOut .4s 3s forwards;
}

.toast.success { background:var(--accent-2); }

@keyframes slideIn {
  from { transform:translateX(300%); opacity:0; }
  to { transform:translateX(0); opacity:1; }
}

@keyframes fadeOut {
  to { opacity:0; transform:translateX(300%); }
}

@media (max-width:640px) {
  .card { padding:20px; }
  .logo { width:70px; }
  #cameraVideo { max-width:100%; }
  .file-wrapper { flex-direction: column; align-items:stretch; gap:8px; }
}