:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --text: #17191d;
  --muted: #6b7280;
  --line: #e5e7eb;
  --primary: #111827;
  --primary-hover: #2b3444;
  --danger: #b42318;
  --radius: 18px;
  --shadow: 0 8px 30px rgba(17, 24, 39, .06);
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans TC", "PingFang TC",
               "Microsoft JhengHei", sans-serif;
  color: var(--text);
  background: var(--bg);
}

button, input, select { font: inherit; }

.container {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  padding: 32px 0 26px;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

h1, h2, p { margin-top: 0; }
h1 { margin-bottom: 6px; font-size: clamp(30px, 5vw, 44px); }
h2 { margin-bottom: 12px; }

.eyebrow {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 7px;
}

.muted { color: var(--muted); margin-bottom: 0; }

main.container { padding: 28px 0 48px; }

.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
  margin-bottom: 24px;
}

.controls-panel { position: sticky; top: 12px; z-index: 10; }

.controls-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.field {
  display: grid;
  gap: 7px;
  margin-bottom: 14px;
}

.field > span {
  font-size: 13px;
  font-weight: 700;
  color: #404756;
}

input[type="text"],
input[type="search"],
input[type="email"],
input[type="password"],
input[type="file"],
select {
  width: 100%;
  min-height: 44px;
  border: 1px solid #d7dce3;
  border-radius: 12px;
  background: #fff;
  padding: 10px 12px;
  outline: none;
}

input:focus, select:focus {
  border-color: #6b7280;
  box-shadow: 0 0 0 3px rgba(17,24,39,.07);
}

input[type="range"] { width: 100%; }

.selection-bar, .admin-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  background: #f3f4f6;
  border-radius: 14px;
  padding: 12px 14px;
}

.seller-message {
  margin-top: 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px;
  background: #fff;
}

.seller-message-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.seller-message-head strong {
  display: block;
  margin-bottom: 4px;
}

.seller-message-head p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.seller-message-copy {
  width: 100%;
  border: 1px dashed #cbd0d8;
  border-radius: 12px;
  background: #f8f9fb;
  color: var(--text);
  padding: 14px;
  text-align: left;
  white-space: pre-line;
  line-height: 1.65;
  cursor: pointer;
}

.seller-message-copy:hover {
  border-color: var(--primary);
  background: #fff;
}

.results-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin: 8px 0 14px;
}

.results-head h2 { margin: 0; }
.count { color: var(--muted); font-size: 14px; }

.status {
  color: var(--muted);
  padding: 18px 2px;
}

.font-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.font-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  transition: transform .16s ease, border-color .16s ease, box-shadow .16s ease;
}

.font-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.font-card.selected {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(17,24,39,.12);
}

.font-card-button {
  display: block;
  width: 100%;
  border: 0;
  background: transparent;
  padding: 18px;
  text-align: left;
  cursor: pointer;
  color: inherit;
}

.font-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 14px;
}

.font-code {
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .06em;
}

.font-name {
  font-size: 13px;
  color: var(--muted);
  text-align: right;
}

.font-preview {
  min-height: 72px;
  display: flex;
  align-items: center;
  line-height: 1.25;
  word-break: break-word;
}

.badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  background: #f3f4f6;
  color: #4b5563;
  font-size: 12px;
  padding: 5px 9px;
}

.btn {
  border: 1px solid transparent;
  border-radius: 11px;
  padding: 10px 14px;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 750;
}

.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-ghost { border-color: var(--line); background: #fff; color: var(--text); }
.btn-danger { border-color: #f0b4ae; background: #fff; color: var(--danger); }

.site-footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
  padding: 24px 0 36px;
}

.stack { display: grid; gap: 4px; }
.auth-panel { max-width: 520px; margin: 0 auto; }
.form-message { min-height: 22px; font-size: 13px; color: var(--muted); }
.form-message.error { color: var(--danger); }
.form-message.success { color: #067647; }

.check-field {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 0 12px;
}

.admin-main { max-width: 1000px; }
.admin-toolbar { margin-bottom: 20px; }

.admin-font-list { display: grid; gap: 10px; }

.admin-font-row {
  display: grid;
  grid-template-columns: 100px 1fr 130px auto;
  align-items: center;
  gap: 12px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 13px;
}

.admin-font-row .row-title { font-weight: 800; }
.admin-font-row .row-sub { color: var(--muted); font-size: 13px; margin-top: 3px; }
.admin-actions { display: flex; gap: 8px; justify-content: flex-end; }

@media (max-width: 760px) {
  .container { width: min(100% - 20px, 1120px); }
  .site-header { padding: 24px 0 20px; }
  .header-inner { align-items: flex-start; }
  .panel { padding: 16px; border-radius: 14px; }
  .controls-panel { position: static; }
  .controls-grid { grid-template-columns: 1fr; gap: 0; }
  .font-grid { grid-template-columns: 1fr; }
  .font-preview { min-height: 62px; }
  .admin-font-row { grid-template-columns: 74px 1fr; }
  .admin-font-row > .badge { justify-self: start; }
  .admin-actions { grid-column: 1 / -1; justify-content: stretch; }
  .admin-actions .btn { flex: 1; }
  .selection-bar { align-items: stretch; flex-direction: column; }
  .seller-message-head { flex-direction: column; }
}