/* ============ 手环激活码发放平台 —— 共用样式 ============ */
:root {
  --bg1: #0b1020;
  --bg2: #131c37;
  --panel: rgba(255, 255, 255, 0.055);
  --panel-solid: #161e36;
  --border: rgba(255, 255, 255, 0.12);
  --text: #e9edf7;
  --muted: #93a0bd;
  --accent: #4f7cff;
  --accent2: #22d3ee;
  --ok: #34d399;
  --warn: #fbbf24;
  --err: #f87171;
  --radius: 16px;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.45);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
}

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(1100px 600px at 12% -8%, #23346b 0%, transparent 60%),
    radial-gradient(900px 500px at 100% 0%, #0d4f63 0%, transparent 55%),
    linear-gradient(160deg, var(--bg1), var(--bg2) 70%, #0b1020);
  background-attachment: fixed;
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent2); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: 1180px; margin: 0 auto; padding: 28px 18px 60px; }
.wrap.narrow { max-width: 560px; }

/* ---------------- 顶部 ---------------- */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 14px; margin-bottom: 22px; flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand .logo {
  width: 42px; height: 42px; border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  display: grid; place-items: center; font-size: 20px;
  box-shadow: 0 8px 24px rgba(79, 124, 255, 0.45);
}
.brand h1 { font-size: 19px; margin: 0; letter-spacing: .3px; }
.brand p { margin: 0; font-size: 12.5px; color: var(--muted); }
.topbar .actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.whoami { font-size: 13px; color: var(--muted); }
.whoami b { color: var(--text); font-weight: 600; }

/* ---------------- 卡片 ---------------- */
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
}
.card + .card { margin-top: 18px; }
.card h2 { margin: 0 0 4px; font-size: 17px; }
.card .sub { color: var(--muted); font-size: 13px; margin: 0 0 18px; }

.grid { display: grid; gap: 16px; }
.grid.cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid.cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 900px) {
  .grid.cols-2, .grid.cols-3, .grid.cols-4 { grid-template-columns: 1fr; }
}

/* ---------------- 表单 ---------------- */
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 7px; }
.field .hint { font-size: 12px; color: var(--muted); margin-top: 6px; }

input[type=text], input[type=password], input[type=number], select, textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: 11px;
  border: 1px solid var(--border);
  background: rgba(8, 12, 26, 0.72);
  color: var(--text);
  font-size: 15px;
  font-family: inherit;
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(79, 124, 255, 0.22);
}
textarea { min-height: 120px; resize: vertical; font-family: ui-monospace, Consolas, monospace; font-size: 13.5px; line-height: 1.7; }
input.mono { font-family: ui-monospace, Consolas, monospace; letter-spacing: 3px; text-transform: uppercase; }
select option { background: var(--panel-solid); color: var(--text); }
::placeholder { color: #6b7899; }

/* ---------------- 按钮 ---------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  padding: 11px 18px; border-radius: 11px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.07);
  color: var(--text); font-size: 14px; font-family: inherit;
  cursor: pointer; transition: transform .12s, background .15s, opacity .15s;
  white-space: nowrap;
}
.btn:hover { background: rgba(255, 255, 255, 0.13); }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn.primary {
  background: linear-gradient(135deg, var(--accent), #6b5cff);
  border-color: transparent; font-weight: 600;
  box-shadow: 0 10px 26px rgba(79, 124, 255, 0.35);
}
.btn.primary:hover { background: linear-gradient(135deg, #5f89ff, #7a6bff); }
.btn.danger { background: rgba(248, 113, 113, 0.14); border-color: rgba(248, 113, 113, 0.45); color: #ffc9c9; }
.btn.danger:hover { background: rgba(248, 113, 113, 0.24); }
.btn.small { padding: 6px 12px; font-size: 13px; border-radius: 9px; }
.btn.block { width: 100%; }
.btn-row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }

/* ---------------- 提示 ---------------- */
.alert {
  border-radius: 12px; padding: 12px 14px; font-size: 13.5px;
  border: 1px solid var(--border); margin-bottom: 16px;
  background: rgba(255, 255, 255, 0.05);
}
.alert.ok { border-color: rgba(52, 211, 153, .45); background: rgba(52, 211, 153, .12); color: #b6f3dc; }
.alert.err { border-color: rgba(248, 113, 113, .45); background: rgba(248, 113, 113, .12); color: #ffd0d0; }
.alert.warn { border-color: rgba(251, 191, 36, .45); background: rgba(251, 191, 36, .12); color: #ffe9b0; }
.hidden { display: none !important; }
.muted { color: var(--muted); }
.center { text-align: center; }
.mono { font-family: ui-monospace, Consolas, monospace; }

/* ---------------- 用户页 ---------------- */
.hero-code {
  margin: 18px 0 6px;
  padding: 22px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(79, 124, 255, .22), rgba(34, 211, 238, .16));
  border: 1px solid rgba(34, 211, 238, .42);
  text-align: center;
}
.hero-code .label { font-size: 12.5px; color: var(--muted); letter-spacing: 1px; }
.hero-code .code {
  font-family: ui-monospace, Consolas, monospace;
  font-size: 42px; font-weight: 700; letter-spacing: 8px;
  margin: 6px 0 2px; color: #fff;
  text-shadow: 0 0 26px rgba(34, 211, 238, .6);
}
.hero-code .meta { font-size: 12.5px; color: var(--muted); }

.steps { counter-reset: s; padding-left: 0; list-style: none; margin: 0; }
.steps li { position: relative; padding-left: 30px; margin-bottom: 9px; font-size: 13.5px; color: var(--muted); }
.steps li::before {
  counter-increment: s; content: counter(s);
  position: absolute; left: 0; top: 1px;
  width: 20px; height: 20px; border-radius: 50%;
  background: rgba(79, 124, 255, .25); border: 1px solid rgba(79, 124, 255, .5);
  color: #cfe0ff; font-size: 11.5px; display: grid; place-items: center;
}

/* ---------------- 模态框 ---------------- */
.modal-mask {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(4, 7, 16, .72);
  backdrop-filter: blur(4px);
  display: grid; place-items: center; padding: 18px;
}
.modal {
  width: 100%; max-width: 460px;
  background: var(--panel-solid);
  border: 1px solid var(--border);
  border-radius: 18px; padding: 24px;
  box-shadow: var(--shadow);
  animation: pop .16s ease-out;
}
@keyframes pop { from { transform: scale(.96); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.modal h3 { margin: 0 0 8px; font-size: 17px; }
.modal p { margin: 0 0 14px; color: var(--muted); font-size: 13.5px; }
.confirm-device {
  font-family: ui-monospace, Consolas, monospace;
  font-size: 34px; letter-spacing: 8px; text-align: center;
  padding: 14px; margin: 6px 0 14px;
  border-radius: 12px; color: #fff;
  background: rgba(248, 113, 113, .13);
  border: 1px solid rgba(248, 113, 113, .4);
}
.modal .btn-row { justify-content: flex-end; }

/* ---------------- 公告弹窗 ---------------- */
.notice-body {
  max-height: 46vh;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-word;
  font-size: 14px;
  line-height: 1.75;
  color: #d7deef;
  background: rgba(8, 12, 26, .55);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px;
  margin-bottom: 4px;
}
.notice-once {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 13px; color: var(--muted); margin-right: auto; cursor: pointer;
}
.notice-once input { width: auto; }
.modal .btn-row { justify-content: flex-end; }

/* ---------------- 表格 ---------------- */
.table-wrap { overflow-x: auto; border-radius: 12px; border: 1px solid var(--border); }
table { width: 100%; border-collapse: collapse; font-size: 13.5px; min-width: 720px; }
thead th {
  text-align: left; padding: 11px 12px; font-weight: 600; font-size: 12.5px;
  color: var(--muted); background: rgba(255, 255, 255, .05);
  border-bottom: 1px solid var(--border); white-space: nowrap;
}
tbody td { padding: 10px 12px; border-bottom: 1px solid rgba(255, 255, 255, .06); vertical-align: middle; }
tbody tr:hover { background: rgba(255, 255, 255, .04); }
tbody tr:last-child td { border-bottom: none; }
td.mono, th.mono { font-family: ui-monospace, Consolas, monospace; }

.tag {
  display: inline-block; padding: 2px 9px; border-radius: 999px;
  font-size: 12px; border: 1px solid var(--border); white-space: nowrap;
}
.tag.ok { color: #a7f3d0; border-color: rgba(52, 211, 153, .45); background: rgba(52, 211, 153, .12); }
.tag.used { color: #ffd0d0; border-color: rgba(248, 113, 113, .45); background: rgba(248, 113, 113, .12); }
.tag.info { color: #c7d6ff; border-color: rgba(79, 124, 255, .45); background: rgba(79, 124, 255, .12); }
.tag.warn { color: #ffe9b0; border-color: rgba(251, 191, 36, .45); background: rgba(251, 191, 36, .12); }

/* ---------------- 统计块 ---------------- */
.stat {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 14px; padding: 16px 18px;
}
.stat .k { font-size: 12.5px; color: var(--muted); }
.stat .v { font-size: 30px; font-weight: 700; margin-top: 2px; letter-spacing: .5px; }
.stat .v small { font-size: 13px; font-weight: 400; color: var(--muted); margin-left: 4px; }
.stat.accent .v { color: #9ec5ff; }
.stat.green .v { color: #86efac; }
.stat.amber .v { color: #fde68a; }

/* ---------------- 标签页 ---------------- */
.tabs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 18px; }
.tabs button {
  padding: 9px 16px; border-radius: 10px; border: 1px solid transparent;
  background: transparent; color: var(--muted); cursor: pointer; font-size: 14px; font-family: inherit;
}
.tabs button:hover { color: var(--text); background: rgba(255, 255, 255, .06); }
.tabs button.active {
  color: #fff; background: rgba(79, 124, 255, .22); border-color: rgba(79, 124, 255, .5);
}

/* ---------------- 分页 / 工具条 ---------------- */
.toolbar { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-bottom: 14px; }
.toolbar .grow { flex: 1; min-width: 160px; }
.pager { display: flex; gap: 10px; align-items: center; justify-content: center; margin-top: 16px; font-size: 13px; color: var(--muted); }

/* ---------------- 登录页 ---------------- */
.login-wrap { min-height: 100vh; display: grid; place-items: center; padding: 20px; }
.login-box { width: 100%; max-width: 400px; }

.bars { display: flex; align-items: flex-end; gap: 8px; height: 130px; margin-top: 10px; }
.bars .bar { flex: 1; display: flex; flex-direction: column; justify-content: flex-end; align-items: center; gap: 6px; height: 100%; }
.bars .bar i {
  display: block; width: 100%; border-radius: 6px 6px 0 0;
  background: linear-gradient(180deg, var(--accent2), var(--accent));
  min-height: 3px;
}
.bars .bar span { font-size: 11px; color: var(--muted); white-space: nowrap; }
.bars .bar em { font-size: 11.5px; color: #cfe0ff; font-style: normal; }

footer.foot { text-align: center; color: var(--muted); font-size: 12px; margin-top: 26px; }