:root {
  --bg: #0f1115;
  --card: #1a1d24;
  --card-2: #22262f;
  --line: #2c313c;
  --text: #e6e8ee;
  --muted: #8b93a3;
  --primary: #fe2c55;
  --primary-d: #d81b45;
  --ok: #2ecc71;
  --err: #ff5a5a;
  --radius: 14px;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  font-family: -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}
.hidden { display: none !important; }
.muted { color: var(--muted); font-size: 14px; }
.error { color: var(--err); font-size: 13px; min-height: 18px; margin: 6px 0 0; }

/* 按钮 */
.btn {
  border: 1px solid var(--line);
  background: var(--card-2);
  color: var(--text);
  padding: 9px 16px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 14px;
  transition: .15s;
}
.btn:hover { border-color: #3a4150; }
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn.primary:hover { background: var(--primary-d); }
.btn.ghost { background: transparent; }
.btn.block { width: 100%; margin-top: 8px; }
.btn.small { padding: 6px 10px; font-size: 13px; }
.btn.danger { color: var(--err); border-color: #4a2b2b; }

/* 登录 */
.auth-wrap {
  min-height: 100%;
  display: grid;
  place-items: center;
  padding: 24px;
}
.auth-card {
  width: 380px;
  max-width: 100%;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px;
}
.brand { text-align: center; margin-bottom: 20px; }
.brand h1 { font-size: 20px; margin: 12px 0 4px; }
.logo {
  width: 52px; height: 52px; margin: 0 auto;
  background: linear-gradient(135deg, var(--primary), #ff6b88);
  border-radius: 14px;
  display: grid; place-items: center;
  font-weight: 800; color: #fff; font-size: 20px;
}
.logo.small { width: 30px; height: 30px; font-size: 13px; border-radius: 8px; }
.tabs { display: flex; gap: 8px; margin-bottom: 18px; }
.tab {
  flex: 1; padding: 8px; background: var(--card-2);
  border: 1px solid var(--line); border-radius: 10px;
  color: var(--muted); cursor: pointer;
}
.tab.active { color: #fff; border-color: var(--primary); }
form label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 12px; }
input, textarea, select {
  width: 100%; margin-top: 6px;
  background: var(--card-2); border: 1px solid var(--line);
  color: var(--text); border-radius: 10px; padding: 10px 12px;
  font-size: 14px; font-family: inherit;
}
input:focus, textarea:focus, select:focus { outline: none; border-color: var(--primary); }

/* 顶栏 */
.topbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 24px; border-bottom: 1px solid var(--line);
  background: var(--card);
}
.topbar-left { display: flex; align-items: center; gap: 10px; font-weight: 600; }
.topbar-right { display: flex; align-items: center; gap: 12px; }
.banner-warning {
  background: #2a1f10; color: #f0c674; font-size: 13px;
  padding: 10px 24px; border-bottom: 1px solid #3a2c14;
}

.container { max-width: 760px; margin: 0 auto; padding: 24px; display: grid; gap: 18px; }
.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 20px;
}
.card-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; }
.card-head h2 { font-size: 16px; margin: 0; }

.badge { font-size: 12px; padding: 3px 10px; border-radius: 20px; }
.badge.gray { background: #333; color: #bbb; }
.badge.green { background: rgba(46,204,113,.15); color: var(--ok); }
.badge.yellow { background: rgba(240,198,116,.15); color: #f0c674; }

.bind-actions { display: flex; gap: 10px; margin-top: 12px; }
.proxy-row { margin-top: 16px; padding-top: 14px; border-top: 1px solid var(--line); }

/* 任务表单 */
.task-form .form-row { margin-bottom: 12px; }
.task-form .form-row.two { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

/* 任务列表 */
.task-list { display: grid; gap: 10px; }
.task-item {
  background: var(--card-2); border: 1px solid var(--line);
  border-radius: 12px; padding: 14px;
  display: grid; grid-template-columns: 1fr auto; gap: 8px; align-items: center;
}
.task-item .t-main { min-width: 0; }
.task-item .t-target { font-weight: 600; }
.task-item .t-msg { color: var(--muted); font-size: 13px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.task-item .t-meta { font-size: 12px; color: var(--muted); margin-top: 4px; }
.task-item .t-actions { display: flex; gap: 6px; flex-wrap: wrap; justify-content: flex-end; }
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 5px; }
.dot.on { background: var(--ok); }
.dot.off { background: #777; }
.dot.err { background: var(--err); }

/* 弹窗 */
.modal {
  position: fixed; inset: 0; background: rgba(0,0,0,.6);
  display: grid; place-items: center; z-index: 50; padding: 20px;
}
.modal-card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 24px; width: 360px; max-width: 100%;
  text-align: center;
}
.modal-card.wide { width: 560px; text-align: left; }
.qr-box {
  width: 220px; height: 220px; margin: 16px auto; background: #fff;
  border-radius: 10px; display: grid; place-items: center; overflow: hidden;
}
.qr-box img { width: 100%; height: 100%; object-fit: contain; }

.log-list { max-height: 360px; overflow: auto; display: grid; gap: 8px; margin: 12px 0; }
.log-item { background: var(--card-2); border: 1px solid var(--line); border-radius: 8px; padding: 10px; font-size: 13px; }
.log-item .l-time { color: var(--muted); font-size: 12px; }
.log-item.ok { border-left: 3px solid var(--ok); }
.log-item.fail { border-left: 3px solid var(--err); }

.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  background: var(--card-2); border: 1px solid var(--line);
  padding: 12px 20px; border-radius: 10px; z-index: 100; font-size: 14px;
}

/* 管理后台 */
.stats { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; }
.stat { background: var(--card-2); border: 1px solid var(--line); border-radius: 10px; padding: 14px; text-align: center; }
.stat .n { font-size: 24px; font-weight: 700; }
.stat .l { font-size: 12px; color: var(--muted); margin-top: 4px; }
.table-wrap { overflow-x: auto; margin-top: 10px; }
table.grid { width: 100%; border-collapse: collapse; font-size: 13px; }
table.grid th, table.grid td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); white-space: nowrap; }
table.grid th { color: var(--muted); font-weight: 600; }
table.grid code { background: var(--card-2); padding: 2px 6px; border-radius: 6px; }
#gen-result { margin: 12px 0; }
#gen-codes { font-family: monospace; }
.pill { font-size: 12px; padding: 2px 8px; border-radius: 20px; }
.pill.unused { background: rgba(46,204,113,.15); color: var(--ok); }
.pill.used { background: #333; color: #aaa; }
.pill.ban { background: rgba(255,90,90,.15); color: var(--err); }