* { box-sizing: border-box; }
body { margin: 0; font-family: -apple-system, "Segoe UI", "Microsoft YaHei", sans-serif; background: #f4f6f9; color: #1f2933; }
.hidden { display: none !important; }
.muted { color: #8a94a6; font-size: 13px; }
.err { color: #d64545; min-height: 18px; font-size: 13px; }

/* 登录 */
.login-box { max-width: 320px; margin: 12vh auto; background: #fff; padding: 28px; border-radius: 12px; box-shadow: 0 6px 24px rgba(0,0,0,.08); }
.login-box h1 { margin: 0 0 4px; font-size: 22px; }
.login-box input { display: block; width: 100%; margin: 10px 0; padding: 10px; border: 1px solid #d6dbe3; border-radius: 8px; font-size: 14px; }
.login-box button { width: 100%; padding: 10px; border: 0; border-radius: 8px; background: #2b6cb0; color: #fff; font-size: 15px; cursor: pointer; }

/* 顶栏 */
header { display: flex; justify-content: space-between; align-items: center; padding: 12px 20px; background: #fff; border-bottom: 1px solid #e5e9f0; }
header button { margin-left: 8px; padding: 7px 12px; border: 1px solid #d6dbe3; border-radius: 8px; background: #2b6cb0; color: #fff; cursor: pointer; }
header button.ghost { background: #fff; color: #2b6cb0; }
main { padding: 18px 20px; }
h2 { font-size: 17px; margin: 18px 0 10px; }

/* 站点卡片 */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 14px; }
.card { background: #fff; border: 1px solid #e5e9f0; border-radius: 12px; padding: 14px; cursor: pointer; transition: box-shadow .15s; }
.card:hover { box-shadow: 0 4px 16px rgba(0,0,0,.1); }
.card .name { font-weight: 600; font-size: 15px; }
.dot { display: inline-block; width: 9px; height: 9px; border-radius: 50%; margin-right: 6px; }
.dot.on { background: #2f9e44; }
.dot.off { background: #ced4da; }
.stat { margin-top: 8px; color: #515b69; font-size: 13px; }

/* 工具条 */
.toolbar { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 10px; }
.toolbar input { padding: 7px; border: 1px solid #d6dbe3; border-radius: 8px; flex: 1; min-width: 160px; }
.toolbar button { padding: 7px 12px; border: 0; border-radius: 8px; background: #2b6cb0; color: #fff; cursor: pointer; }
.toolbar button.danger { background: #d64545; }
.toolbar button.ghost { background: #fff; color: #2b6cb0; border: 1px solid #d6dbe3; }

/* 表格 */
table { width: 100%; border-collapse: collapse; background: #fff; border-radius: 10px; overflow: hidden; }
th, td { padding: 8px 10px; text-align: left; font-size: 13px; border-bottom: 1px solid #eef1f6; }
th { background: #f8fafc; color: #66707e; font-weight: 600; }
.ok { color: #2f9e44; }
.bad { color: #d64545; }

/* 弹窗 */
.modal { position: fixed; inset: 0; background: rgba(0,0,0,.35); display: flex; align-items: center; justify-content: center; }
.modal-box { background: #fff; padding: 20px; border-radius: 12px; width: 460px; max-width: 92vw; max-height: 80vh; overflow: auto; }
.modal-box h3 { margin-top: 0; }
.cred { border: 1px solid #e5e9f0; border-radius: 8px; padding: 10px; margin: 8px 0; font-size: 13px; position: relative; }
.cred code { display: block; word-break: break-all; background: #f4f6f9; padding: 6px; border-radius: 6px; margin-top: 4px; }
.cred .del-dev { float: right; background: #d64545; color: #fff; border: 0; margin: 0 0 0 8px; }
.cred .del-dev:hover { background: #b53232; }
.modal-box button { margin-top: 10px; padding: 7px 12px; border: 1px solid #d6dbe3; border-radius: 8px; cursor: pointer; }

/* toast */
.toast { position: fixed; left: 50%; bottom: 30px; transform: translateX(-50%); background: #1f2933; color: #fff; padding: 10px 16px; border-radius: 8px; font-size: 14px; box-shadow: 0 4px 16px rgba(0,0,0,.2); }