/* Cards - Loyalty Card Manager */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary: #4f46e5;
  --primary-hover: #4338ca;
  --danger: #dc2626;
  --danger-hover: #b91c1c;
  --bg: #f8fafc;
  --surface: #ffffff;
  --text: #1e293b;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --radius: 8px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0.75rem 1rem;
}
nav {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.logo:hover { text-decoration: none; }
.nav-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.nav-email {
  color: var(--text-muted);
  font-size: 0.875rem;
}

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 1.5rem 1rem;
}

.btn {
  display: inline-block;
  padding: 0.5rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  font-size: 0.875rem;
  cursor: pointer;
  text-decoration: none;
  line-height: 1.4;
}
.btn:hover { background: var(--bg); text-decoration: none; }
.btn-primary {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}
.btn-primary:hover { background: var(--primary-hover); }
.btn-danger { color: var(--danger); border-color: var(--danger); }
.btn-danger:hover { background: var(--danger); color: white; }
.btn-sm { padding: 0.25rem 0.6rem; font-size: 0.8rem; }
.inline-form { display: inline; }

.auth-container {
  max-width: 380px;
  margin: 4rem auto;
  padding: 2rem;
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  text-align: center;
}
.auth-container h1 { font-size: 2rem; margin-bottom: 0.25rem; }
.auth-subtitle { color: var(--text-muted); margin-bottom: 1.5rem; }
.auth-form { text-align: left; }
.auth-form label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
  margin-top: 0.75rem;
}
.auth-form input {
  width: 100%;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 1rem;
}
.auth-form button { width: 100%; margin-top: 1.25rem; }
.auth-link { margin-top: 1rem; font-size: 0.875rem; }
.alert { padding: 0.75rem; border-radius: var(--radius); margin-bottom: 1rem; font-size: 0.875rem; }
.alert-error { background: #fef2f2; color: var(--danger); border: 1px solid #fecaca; }

.toolbar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  flex-wrap: nowrap;
}
.toolbar input[type="text"] {
  flex: 1;
  min-width: 0;
  padding: 0.4rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.875rem;
}
.toolbar select {
  appearance: none;
  -webkit-appearance: none;
  padding: 0.4rem 0.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.875rem;
  background: var(--surface);
  cursor: pointer;
}
.sort-select {
  width: 2rem;
  height: 2rem;
  padding: 0 !important;
  text-align: center;
  font-size: 1.1rem !important;
  color: transparent;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 24 24' fill='none' stroke='%231e293b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cline x1='4' y1='6' x2='16' y2='6'/%3E%3Cline x1='4' y1='12' x2='12' y2='12'/%3E%3Cline x1='4' y1='18' x2='8' y2='18'/%3E%3Cpolyline points='15 15 18 18 21 15'/%3E%3Cline x1='18' y1='10' x2='18' y2='18'/%3E%3C/svg%3E") no-repeat center center var(--surface) !important;
}
.sort-select option {
  color: var(--text);
  font-size: 0.875rem;
}
.btn-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  font-size: 1.1rem;
  text-decoration: none;
  border-radius: var(--radius);
  transition: background 0.15s;
}
.btn-icon:hover { background: var(--border); text-decoration: none; }

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 0.75rem;
}
.card-item {
  display: flex;
  align-items: flex-end;
  text-decoration: none;
  color: var(--text);
  background: var(--surface);
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center center;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  aspect-ratio: 3 / 2;
  transition: box-shadow 0.15s, transform 0.15s;
}
.card-item:hover { box-shadow: 0 4px 12px rgba(0,0,0,0.1); transform: translateY(-2px); }
.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
  background: rgba(255,255,255,0.85);
  border-radius: 4px;
  padding: 0.25rem 0.5rem;
}
.card-header h3 { font-size: 0.95rem; font-weight: 600; flex: 1; color: var(--text); text-align: center; }
.card-logo {
  width: 32px;
  height: 32px;
  object-fit: contain;
  border-radius: 4px;
}
.card-show-logo {
  width: 48px;
  height: 48px;
  object-fit: contain;
  border-radius: 6px;
}
.logo-search {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}
.logo-search-box {
  flex: 1;
  display: flex;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.logo-search-box input {
  flex: 1;
  border: none !important;
  outline: none;
  padding: 0.5rem 0.75rem;
  font-size: 1rem;
  min-width: 0;
  border-radius: 0;
}
.logo-search-submit {
  background: none;
  border: none;
  padding: 0.5rem 0.75rem;
  cursor: pointer;
  font-size: 1rem;
  border-left: 1px solid var(--border);
}
.logo-search-submit:hover {
  background: var(--bg);
}
.logo-search .btn-sm {
  align-self: stretch;
  display: inline-flex;
  align-items: center;
}
.logo-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}
#logo-upload-btn {
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  margin: 0;
  font-weight: normal;
}
.logo-results {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}
.logo-option {
  cursor: pointer;
  padding: 0.5rem;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  text-align: center;
  transition: border-color 0.15s, box-shadow 0.15s;
  position: relative;
  width: 80px;
}
.logo-option:hover { border-color: var(--primary); box-shadow: 0 2px 8px rgba(37,99,235,0.1); }
.logo-option.selected { border-color: var(--primary); background: rgba(37,99,235,0.05); }
.logo-option img { width: 48px; height: 48px; object-fit: contain; display: block; margin: 0 auto 0.25rem; }
.logo-option-name { font-size: 0.65rem; color: var(--text-muted); display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.logo-option-check {
  display: none;
  position: absolute;
  top: 4px;
  right: 4px;
  background: var(--primary);
  color: #fff;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  font-size: 0.7rem;
  line-height: 18px;
  text-align: center;
}
.logo-option.selected .logo-option-check { display: block; }
.logo-selected {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem;
  margin-bottom: 0.5rem;
  background: rgba(37,99,235,0.04);
  border: 2px solid var(--primary);
  border-radius: var(--radius);
}
.logo-selected img { width: 40px; height: 40px; object-fit: contain; border-radius: 4px; }
.logo-selected span { flex: 1; font-weight: 500; }

.card-number {
  font-family: 'Courier New', monospace;
  font-size: 0.95rem;
  color: var(--text-muted);
  margin: 0.5rem 0;
  word-break: break-all;
}
.card-meta {
  display: flex;
  gap: 0.75rem;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}
.barcode-type {
  background: var(--bg);
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
  text-transform: uppercase;
  font-size: 0.7rem;
}
.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-muted);
}

.card-form { max-width: 500px; }
.card-form label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin: 1rem 0 0.25rem;
}
.card-form input,
.card-form select {
  width: 100%;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 1rem;
}
.card-form input.input-valid,
.card-form select.input-valid {
  border: 2px solid var(--primary);
  background: rgba(37,99,235,0.05);
}
.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}
.card-form input[type="color"] {
  height: 3rem;
  padding: 0.25rem;
  cursor: pointer;
}
.form-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 1.5rem;
}
.toggle-label {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 1rem 0 0;
  padding: 0.75rem 1rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  font-weight: normal;
}
.toggle-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin: 0;
  accent-color: var(--primary);
  cursor: pointer;
  flex-shrink: 0;
}
.toggle-text {
  font-size: 0.875rem;
  color: var(--text);
  line-height: 1;
}

.form-divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 1.25rem 0;
}

.add-method-chooser {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
}
.add-method-option {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  padding: 0.75rem 0.5rem;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
  font-size: 0.8rem;
  color: var(--text-muted);
}
.add-method-option:hover { border-color: var(--primary); }
.add-method-option.active {
  border-color: var(--primary);
  background: #eef2ff;
  color: var(--text);
}
.add-method-icon { font-size: 1.5rem; }
.add-method-label { text-align: center; }
.add-panel { margin-bottom: 1rem; }

.upload-area {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 2rem 1rem;
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  text-align: center;
  color: var(--text-muted);
  transition: border-color 0.2s;
}
.upload-area:hover { border-color: var(--primary); }

.scanner-container {
  position: relative;
  margin: 0.5rem 0;
  border-radius: var(--radius);
  overflow: hidden;
  background: #000;
  max-width: 500px;
}
.scanner-container video { width: 100%; display: block; }
.scanner-container canvas, .scanner-container img {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
}
.scanner-container .btn {
  position: absolute;
  bottom: 0.5rem;
  right: 0.5rem;
}
.scan-status {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

.card-show {
  max-width: 500px;
  margin: 0 auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  text-align: center;
}
.card-show-header {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  padding: 1.5rem;
  border-radius: var(--radius);
}
.card-show-barcode {
  margin: 1rem 0;
  overflow-x: auto;
}
.card-show-barcode svg { max-width: 100%; height: auto; }
.card-show-number {
  font-family: 'Courier New', monospace;
  font-size: 1.25rem;
  letter-spacing: 0.05em;
  margin: 1rem 0;
}
.card-show-meta {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 1.5rem;
}
.card-show-actions {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
}
.card-show-barcode { cursor: pointer; }

.barcode-fullscreen {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: #fff;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}
.barcode-fullscreen.active { display: flex; }
.barcode-fullscreen-content {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.barcode-fullscreen-content svg {
  max-width: 100%;
  max-height: 100%;
  width: 100%;
  height: auto;
}

.delete-form {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  text-align: center;
}

@media (max-width: 600px) {
  .card-grid { grid-template-columns: repeat(2, 1fr); }
}