/* styles.css — Generator QR Code
   Tema: hitam & putih bersih, sesuai estetika QR code itu sendiri.
   Variabel warna disesuaikan dari template, struktur tetap sama. */

:root {
  --warna-utama: #111827;
  --warna-aksen: #1a56db;
  --warna-teks: #1f2937;
  --warna-teks-redup: #4b5563;
  --warna-latar: #f9fafb;
  --warna-kartu: #ffffff;
  --warna-garis: #e5e7eb;
  --warna-kesalahan: #b91c1c;
  --radius: 12px;
  --font: system-ui, -apple-system, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--warna-teks);
  background: var(--warna-latar);
  line-height: 1.6;
}

header, main, footer {
  max-width: 640px;
  margin: 0 auto;
  padding: 1rem 1.25rem;
}

header {
  border-bottom: 1px solid var(--warna-garis);
  display: flex;
  align-items: baseline;
  gap: 1rem;
  flex-wrap: wrap;
}

header h1 { margin: 0; font-size: 1.4rem; }
header p { margin: 0; }

section {
  background: var(--warna-kartu);
  border: 1px solid var(--warna-garis);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin: 1rem 0;
}

section h2 {
  margin-top: 0;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--warna-teks-redup);
}

label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.4rem;
  margin-top: 0.75rem;
}

label:first-of-type { margin-top: 0; }

input[type="text"],
select {
  width: 100%;
  font: inherit;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--warna-garis);
  border-radius: 8px;
  margin-bottom: 0.75rem;
}

fieldset {
  border: 1px solid var(--warna-garis);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  margin: 0.5rem 0 1rem;
}

fieldset legend {
  font-weight: 600;
  padding: 0 0.25rem;
}

.daftar-radio {
  list-style: none;
  margin: 0.5rem 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.daftar-radio label {
  font-weight: normal;
  margin: 0;
  cursor: pointer;
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}

.daftar-radio input[type="radio"] {
  margin-top: 0.25rem;
  flex-shrink: 0;
  width: auto;
}

button {
  font: inherit;
  font-weight: 600;
  color: #fff;
  background: var(--warna-utama);
  border: none;
  border-radius: 8px;
  padding: 0.6rem 1.25rem;
  cursor: pointer;
  transition: background 0.15s;
}

button:hover:not(:disabled) { background: #374151; }

button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

/* Fokus keyboard — harus selalu terlihat jelas */
button:focus-visible,
input:focus-visible,
select:focus-visible,
a:focus-visible {
  outline: 2px solid var(--warna-aksen);
  outline-offset: 2px;
}

#tombol-unduh {
  background: var(--warna-aksen);
  margin-top: 0.75rem;
}

#tombol-unduh:hover:not(:disabled) { filter: brightness(1.1); }

/* Area hasil */
#hasil {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 3rem;
}

#kanvas-qr {
  max-width: 100%;
  height: auto;
  border: 1px solid var(--warna-garis);
  border-radius: 8px;
  image-rendering: pixelated;
}

#pesan-kesalahan {
  color: var(--warna-kesalahan);
  font-weight: 600;
  margin-top: 0.5rem;
}

footer {
  font-size: 0.875rem;
  color: var(--warna-teks-redup);
  border-top: 1px solid var(--warna-garis);
  margin-top: 1rem;
  padding-top: 1rem;
}

footer a { color: var(--warna-aksen); }