:root {
  --bg: #0f1220;
  --card: #1a1f35;
  --card-hover: #232a47;
  --accent: #ff5a3c;
  --accent-2: #ffb43c;
  --text: #f3f5ff;
  --muted: #9aa3c7;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  background: radial-gradient(1200px 600px at 50% -10%, #20264a 0%, var(--bg) 60%);
  color: var(--text);
  min-height: 100vh;
}

.topbar {
  text-align: center;
  padding: 28px 16px 8px;
}
.topbar h1 {
  margin: 0;
  font-size: 24px;
  letter-spacing: 2px;
}
.topbar .sub {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 13px;
}
.topnav {
  margin-top: 14px;
  display: inline-flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
}
.topnav a {
  text-decoration: none;
  color: #4b5566;
  font-size: 14px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,.6);
  border: 1px solid #e3e7f0;
  transition: all .12s ease;
}
.topnav a:hover { background: #fff; color: #1f2a44; }
.topnav a.active { background: #1f2a44; color: #fff; border-color: #1f2a44; }

.grid {
  max-width: 920px;
  margin: 18px auto 40px;
  padding: 0 16px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
@media (max-width: 680px) {
  .grid { grid-template-columns: repeat(2, 1fr); }
}

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  padding: 18px 16px;
  min-height: 116px;
  border: 1px solid rgba(255,255,255,.06);
  border-radius: 16px;
  background: linear-gradient(160deg, var(--card), #161b30);
  color: var(--text);
  cursor: pointer;
  text-align: left;
  transition: transform .12s ease, background .12s ease, box-shadow .12s ease;
}
.card:hover {
  background: var(--card-hover);
  transform: translateY(-3px);
  box-shadow: 0 10px 24px rgba(0,0,0,.35);
}
.card-no {
  font-size: 12px;
  color: var(--accent-2);
  font-weight: 700;
  letter-spacing: 1px;
}
.card-name {
  font-size: 19px;
  font-weight: 700;
}
.card-desc {
  font-size: 12.5px;
  color: var(--muted);
  line-height: 1.5;
}

/* 弹窗 */
.modal-mask {
  position: fixed; inset: 0;
  background: rgba(6,8,18,.72);
  display: flex; align-items: center; justify-content: center;
  padding: 20px; z-index: 50;
}
.modal-mask[hidden] { display: none; }

.modal {
  position: relative;
  background: #11152a;
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 18px;
  padding: 22px;
  width: 320px;
  max-width: 100%;
  text-align: center;
}
.modal-close {
  position: absolute; top: 10px; right: 12px;
  background: none; border: none; color: var(--muted);
  font-size: 24px; line-height: 1; cursor: pointer;
}

/* 标签预览（40:60 比例的仿真票样） */
.label-preview {
  width: 200px;
  margin: 6px auto 16px;
  background: #fff;
  color: #111;
  border-radius: 8px;
  padding: 12px 16px;
  box-shadow: 0 6px 18px rgba(0,0,0,.4);
  display: flex;
  flex-direction: column;
  align-items: center;
  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
}
.lp-logo {
  width: 58%;
  max-width: 110px;
  height: auto;
  margin-top: 2px;
  image-rendering: pixelated;
}
.lp-name {
  font-size: 22px;
  font-weight: 800;
  margin-top: 8px;
  line-height: 1.2;
  text-align: center;
}
.lp-desc {
  font-size: 12px;
  text-align: center;
  color: #333;
  margin-top: 6px;
  line-height: 1.4;
  max-width: 100%;
}
.lp-divider {
  font-size: 11px;
  color: #888;
  letter-spacing: 1px;
  margin: 10px 0 2px;
}
.lp-time-label, .lp-tip-label {
  font-size: 13px;
  align-self: center;
  text-align: center;
  margin-top: 6px;
  color: #333;
}
.lp-time {
  align-self: center;
  text-align: center;
  font-size: 14px;
  font-weight: 600;
  margin-top: 2px;
  letter-spacing: 0.3px;
}
.lp-tip {
  align-self: center;
  text-align: center;
  font-size: 13px;
  line-height: 1.5;
  margin-top: 2px;
  color: #333;
}

.modal-actions { margin-top: 4px; }
.btn-print {
  width: 100%;
  padding: 13px;
  border: none;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  cursor: pointer;
}
.btn-print:disabled { opacity: .6; cursor: default; }

.modal-hint {
  min-height: 18px;
  margin: 10px 0 0;
  font-size: 13px;
  color: var(--muted);
}
.modal-hint.ok { color: #4ade80; }
.modal-hint.err { color: #f87171; }

.calib-bar { display: flex; align-items: center; gap: 12px; margin: 0 0 18px; flex-wrap: wrap; }
.btn-calib {
  background: var(--accent, #1f2a44); color: #fff; border: none;
  padding: 9px 16px; border-radius: 9px; font-size: 13px; cursor: pointer;
}
.btn-calib:disabled { opacity: .6; cursor: default; }
.calib-hint { font-size: 13px; color: var(--muted, #6b7280); }
.calib-hint.ok { color: #16a34a; }
.calib-hint.err { color: #dc2626; }