:root {
  --bg: #f5f6f8;
  --card: #ffffff;
  --line: #e4e7ec;
  --text: #1f2430;
  --muted: #697180;
  --primary: #2456e6;
  --primary-dark: #1b43b8;
  --ok-bg: #e7f6ec; --ok-fg: #1d7a3d;
  --warn-bg: #fff4e0; --warn-fg: #9a6208;
  --err-bg: #fdebec; --err-fg: #b4232c;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  font-size: 14px;
  line-height: 1.55;
}

.hidden { display: none !important; }

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 20px;
  background: var(--card);
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 10;
}
.topbar h1 { margin: 0; font-size: 18px; }
.status-pills { display: flex; gap: 8px; }
.pill {
  font-size: 12px; padding: 3px 10px; border-radius: 999px;
  border: 1px solid var(--line);
}
.pill-muted { color: var(--muted); }
.pill-ok { background: var(--ok-bg); color: var(--ok-fg); border-color: transparent; }
.pill-warn { background: var(--warn-bg); color: var(--warn-fg); border-color: transparent; }
.pill-err { background: var(--err-bg); color: var(--err-fg); border-color: transparent; }

.steps {
  max-width: 1080px; margin: 18px auto; padding: 0 16px;
  display: flex; flex-direction: column; gap: 14px;
}
.panel {
  background: var(--card); border: 1px solid var(--line);
  border-radius: 12px; padding: 16px 18px;
}
.panel h2 { margin: 0 0 12px; font-size: 15px; display: flex; align-items: center; gap: 8px; }
.panel h2 .num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 20px; height: 20px; border-radius: 50%;
  background: var(--primary); color: #fff; font-size: 12px;
}

.error-box {
  background: var(--err-bg); color: var(--err-fg);
  padding: 10px 12px; border-radius: 8px; margin-top: 10px;
  white-space: pre-wrap; word-break: break-all;
}

.picker { display: flex; gap: 14px; flex-wrap: wrap; }
.picker > div { min-width: 180px; flex: 1; }
.picker label, .order-bar label, .design-tools label:not(.btn) {
  display: block; font-size: 12px; color: var(--muted); margin-bottom: 4px;
}
select, input[type="text"] {
  width: 100%; padding: 8px 10px; border: 1px solid var(--line);
  border-radius: 8px; background: #fff; font-size: 14px; color: var(--text);
}
.meta { margin-top: 8px; font-size: 12px; color: var(--muted); }

.cards {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 10px; margin-bottom: 12px;
}
.card-item {
  border: 1px solid var(--line); border-radius: 10px; padding: 10px;
  cursor: pointer; background: #fff;
}
.card-item:hover { border-color: var(--primary); }
.card-item.active { border-color: var(--primary); box-shadow: 0 0 0 2px rgba(36, 86, 230, .15); }
.card-item img { width: 100%; height: 100px; object-fit: cover; border-radius: 6px; background: #f0f1f4; }
.card-item .t { font-size: 13px; margin-top: 6px; font-weight: 600; }
.card-item .d { font-size: 12px; color: var(--muted); margin-top: 2px; }

.design-layout { display: flex; gap: 16px; flex-wrap: wrap; }
.canvas-holder {
  flex: 0 0 auto; background: #fff; border: 1px dashed var(--line);
  border-radius: 8px; padding: 8px;
}
#design-canvas { max-width: 340px; height: auto; }
.design-tools { flex: 1; min-width: 260px; display: flex; flex-direction: column; gap: 12px; }
.tool-group { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.tool-group input[type="text"] { flex: 1; min-width: 120px; }

.btn {
  display: inline-block; padding: 8px 14px; border: 1px solid var(--line);
  background: #fff; color: var(--text); border-radius: 8px; cursor: pointer;
  font-size: 13px;
}
.btn:hover { border-color: var(--primary); color: var(--primary); }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); color: #fff; }
.btn-ghost { border-color: transparent; background: #f1f3f7; }
.btn-big { padding: 10px 20px; font-size: 15px; }
.btn:disabled { opacity: .55; cursor: not-allowed; }

.emoji-row .emoji {
  font-size: 20px; background: #fff; border: 1px solid var(--line);
  border-radius: 8px; padding: 4px 8px; cursor: pointer;
}
.emoji-row .emoji:hover { border-color: var(--primary); }

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

.preview-grid { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 12px; }
.preview-grid figure { margin: 0; }
.preview-grid canvas {
  max-width: 300px; height: auto; border: 1px solid var(--line); border-radius: 8px;
  background:
    repeating-conic-gradient(#ececf0 0% 25%, #fff 0% 50%) 0 0 / 16px 16px;
}
.preview-grid figcaption { font-size: 12px; color: var(--muted); margin-top: 6px; }

.order-bar { display: flex; gap: 12px; align-items: flex-end; flex-wrap: wrap; margin-top: 12px; }
.order-bar > div { min-width: 260px; }
.progress { margin-top: 10px; font-size: 13px; color: var(--muted); }
.result {
  margin-top: 10px; background: #10151f; color: #d7e2f5;
  padding: 12px; border-radius: 8px; font-size: 12px;
  overflow: auto; max-height: 300px; white-space: pre-wrap; word-break: break-all;
}

.foot {
  text-align: center; color: var(--muted); font-size: 12px;
  padding: 20px 16px 32px;
}

/* 访问口令蒙层 */
.gate {
  position: fixed; inset: 0; z-index: 100;
  background: var(--bg);
  display: flex; align-items: center; justify-content: center;
}
.gate-box {
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 28px 32px; width: 320px; text-align: center;
}
.gate-box h1 { margin: 0 0 6px; font-size: 18px; }
.gate-hint { margin: 0 0 16px; font-size: 12px; color: var(--muted); }
.gate-box input {
  width: 100%; padding: 8px 10px; border: 1px solid var(--line);
  border-radius: 8px; font-size: 14px; margin-bottom: 12px; text-align: center;
}
.gate-box button { width: 100%; }
.gate-error {
  margin-top: 10px; font-size: 12px; color: var(--err-fg);
  background: var(--err-bg); border-radius: 8px; padding: 8px 10px;
}