/* Scancardium font — the one Apple's camera scanner is trained to recognise.
   Loaded locally from fonts/ so we don't depend on any CDN. */
@font-face {
  font-family: "Scancardium";
  src: url("fonts/Scancardium_2.0.ttf") format("truetype");
  font-display: block;
}

/* Apple-style design system for the surrounding page */
:root {
  --bg: #f5f5f7;
  --card: #ffffff;
  --text: #1d1d1f;
  --text-secondary: #86868b;
  --accent: #0071e3;
  --accent-hover: #0077ed;
  --success: #34c759;
  --error: #ff3b30;
  --border: #d2d2d7;
  --shadow-sm: 0 2px 12px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 24px rgba(0, 0, 0, 0.10);
  --radius: 18px;
  --font-ui: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text',
    'Helvetica Neue', Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

html, body { margin: 0; padding: 0; }

body {
  font-family: var(--font-ui);
  background: var(--bg);
  color: var(--text);
  line-height: 1.47;
  font-size: 17px;
  min-height: 100vh;
}

.page {
  max-width: 780px;
  margin: 0 auto;
  padding: 48px 24px 80px;
}

/* Header */
.header {
  text-align: center;
  margin-bottom: 40px;
}

.apple-logo {
  width: 36px;
  height: 36px;
  color: var(--text);
  margin-bottom: 16px;
}

.title {
  font-size: 44px;
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0 0 14px;
}

.title span {
  display: block;
}

.subtitle {
  font-size: 19px;
  color: var(--text-secondary);
  margin: 0;
  font-weight: 400;
}

/* Input card */
.input-card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 32px;
}

.input-label {
  display: block;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text);
}

.codes-input {
  width: 100%;
  padding: 16px;
  font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Courier New', monospace;
  font-size: 16px;
  border: 1px solid var(--border);
  border-radius: 12px;
  resize: vertical;
  background: #fbfbfd;
  color: var(--text);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  letter-spacing: 0.02em;
}

.codes-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(0, 113, 227, 0.15);
}

.codes-input::placeholder { color: #b0b0b5; }

.helper-text {
  font-size: 13px;
  color: var(--text-secondary);
  margin: 10px 0 0;
}

.input-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 24px;
}

.btn-primary {
  background: var(--accent);
  color: white;
  border: none;
  border-radius: 980px;
  padding: 12px 28px;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  font-family: inherit;
  transition: all 0.2s ease;
}

.btn-primary:hover:not(:disabled) {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

.btn-primary:disabled {
  background: #b8d4f5;
  cursor: not-allowed;
}

.btn-text {
  background: none;
  border: none;
  color: var(--accent);
  font-size: 15px;
  cursor: pointer;
  font-family: inherit;
  padding: 8px 4px;
}

.btn-text:hover { text-decoration: underline; }

.validation-error {
  margin: 16px 0 0;
  padding: 12px 16px;
  background: rgba(255, 59, 48, 0.08);
  color: var(--error);
  border-radius: 10px;
  font-size: 14px;
}

/* Cards area */
.cards-area {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-bottom: 40px;
}

.gift-card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  animation: fadeIn 0.4s ease;
  transition: box-shadow 0.2s ease;
}

.gift-card:hover { box-shadow: var(--shadow-md); }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.card-header {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  margin-bottom: 8px;
}

.card-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.card-remove {
  background: none;
  border: none;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  color: var(--text-secondary);
  font-size: 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease, color 0.2s ease;
}

.card-remove:hover {
  background: rgba(255, 59, 48, 0.1);
  color: var(--error);
}

.scan-box {
  display: block;
  width: 100%;
  max-width: 900px;
  height: auto;
  margin: 0 auto;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  gap: 12px;
}

.readable-code {
  font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--text);
}

.copy-btn {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 980px;
  padding: 8px 18px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  cursor: pointer;
  font-family: inherit;
  transition: all 0.2s ease;
}

.copy-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.copy-btn.copied {
  border-color: var(--success);
  color: var(--success);
}

/* Instructions */
.instructions {
  background: var(--card);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 40px;
}

.instructions-title {
  font-size: 22px;
  font-weight: 600;
  margin: 0 0 16px;
  letter-spacing: -0.01em;
}

.instructions-list {
  margin: 0;
  padding-left: 20px;
  color: var(--text);
}

.instructions-list li {
  margin-bottom: 10px;
  font-size: 16px;
}

.instructions-list li:last-child { margin-bottom: 0; }

/* Footer */
.footer {
  text-align: center;
  color: var(--text-secondary);
  font-size: 13px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.footer p { margin: 8px 0; }

.disclaimer {
  max-width: 520px;
  margin-left: auto !important;
  margin-right: auto !important;
  margin-bottom: 14px !important;
}

.footer a { color: var(--accent); text-decoration: none; }
.footer a:hover { text-decoration: underline; }

/* Toast */
.toast {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: rgba(29, 29, 31, 0.95);
  color: white;
  padding: 12px 24px;
  border-radius: 980px;
  font-size: 14px;
  font-weight: 500;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
  opacity: 0;
  transition: all 0.3s ease;
  pointer-events: none;
  z-index: 1000;
  backdrop-filter: blur(10px);
}

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

@media (max-width: 680px) {
  .page { padding: 32px 16px 60px; }
  .title { font-size: 30px; }
  .subtitle { font-size: 17px; }
  .input-card, .gift-card, .instructions { padding: 20px; }
  .gift-card { padding-top: 12px; }
  .card-header { margin-bottom: 4px; }
  .readable-code { font-size: 14px; letter-spacing: 0.05em; }
  .copy-btn { padding: 6px 14px; font-size: 13px; }
  .card-footer { margin-top: 16px; padding-top: 14px; }
  .footer { font-size: 12px; }
  .disclaimer { font-size: 12px; }
}