:root {
  --green: #0b6b3a;
  --green-dark: #084f2b;
  --bg: #f4f6f5;
  --card: #ffffff;
  --text: #14181a;
  --muted: #5b6b63;
  --border: #d7e0db;
  --err-bg: #fdecea;
  --err: #9b1c1c;
  --ok-bg: #e7f6ec;
  --ok: #0b6b3a;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.45;
}

.card {
  max-width: 520px;
  margin: 0 auto;
  padding: 24px 18px calc(40px + env(safe-area-inset-bottom));
}

h1 {
  font-size: 1.5rem;
  margin: 8px 0 4px;
}

.lead {
  margin: 0 0 20px;
  color: var(--muted);
}

.hint {
  margin: 4px 0 12px;
  color: var(--muted);
  font-size: 0.95rem;
}

/* Przyciski */
.btn {
  display: block;
  width: 100%;
  padding: 16px 18px;
  border: none;
  border-radius: 14px;
  font-size: 1.1rem;
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.btn-primary {
  background: var(--green);
  color: #fff;
}
.btn-primary:active { background: var(--green-dark); }
.btn-primary:disabled { opacity: 0.55; cursor: default; }

/* Podgląd zdjęcia */
.preview {
  margin: 18px 0;
  text-align: center;
}
.preview img {
  max-width: 100%;
  max-height: 320px;
  border-radius: 14px;
  border: 1px solid var(--border);
}

/* Status OCR */
.status {
  margin: 14px 0;
  padding: 12px 14px;
  border-radius: 12px;
  background: #eef3f0;
  color: var(--muted);
  font-size: 0.95rem;
}

/* Pola formularza */
.field {
  display: block;
  margin: 14px 0;
}
.field span {
  display: block;
  font-size: 0.9rem;
  color: var(--muted);
  margin-bottom: 6px;
}
.field input {
  width: 100%;
  padding: 14px;
  font-size: 1.1rem;
  border: 1.5px solid var(--border);
  border-radius: 12px;
  background: #fff;
  color: var(--text);
}
.field input:focus {
  outline: none;
  border-color: var(--green);
}

#sendBtn { margin-top: 18px; }

/* Wynik */
.result {
  margin-top: 18px;
  padding: 14px 16px;
  border-radius: 12px;
  font-weight: 500;
}
.result.ok  { background: var(--ok-bg);  color: var(--ok); }
.result.err { background: var(--err-bg); color: var(--err); }