/* ==========================================================
   短信同步中心 —— 样式表
   深色主题，长时间盯短信不刺眼；手机端自动适配
   ========================================================== */

:root {
  --bg: #0f172a;
  --bg2: #1e293b;
  --bg3: #172033;
  --line: #334155;
  --line2: #475569;
  --tx: #e2e8f0;
  --tx2: #94a3b8;
  --tx3: #64748b;
  --acc: #38bdf8;
  --acc2: #0ea5e9;
  --ok: #22c55e;
  --warn: #f59e0b;
  --err: #ef4444;
  --radius: 10px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--tx);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", sans-serif;
  font-size: 15px;
  line-height: 1.6;
  -webkit-text-size-adjust: 100%;
}

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

.wrap { max-width: 1100px; margin: 0 auto; padding: 0 16px; }
.muted { color: var(--tx2); font-size: 13.5px; }
.hide { display: none !important; }

/* ===== 顶栏 ===== */
.topbar {
  background: var(--bg2);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 100;
}
.topbar .wrap {
  display: flex;
  align-items: center;
  gap: 18px;
  height: 58px;
}
.logo { display: flex; align-items: center; gap: 8px; color: var(--tx); font-weight: 700; }
.logo:hover { text-decoration: none; }
.logo-icon { font-size: 20px; }
.logo-text { font-size: 16px; }

.nav { display: flex; gap: 4px; flex: 1; }
.nav a {
  color: var(--tx2);
  padding: 7px 14px;
  border-radius: 7px;
  font-size: 14.5px;
  position: relative;
}
.nav a:hover { background: var(--bg3); color: var(--tx); text-decoration: none; }
.nav a.on { background: var(--bg3); color: var(--acc); font-weight: 600; }
.badge {
  display: inline-block;
  background: var(--err);
  color: #fff;
  font-size: 11px;
  padding: 1px 6px;
  border-radius: 9px;
  margin-left: 5px;
  font-weight: 700;
  vertical-align: middle;
}

.userbox { display: flex; align-items: center; gap: 14px; font-size: 13.5px; }
.uname { color: var(--tx); font-weight: 600; }
.bindcode {
  background: var(--bg3);
  color: var(--acc);
  padding: 3px 9px;
  border-radius: 6px;
  font-family: ui-monospace, Consolas, monospace;
  font-size: 12.5px;
  border: 1px dashed var(--line2);
}
.logout { color: var(--tx2); }
.logout:hover { color: var(--err); }

.page { padding: 22px 16px 60px; }

/* ===== 登录页 ===== */
.auth-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 24px 16px;
}
.auth-box {
  width: 100%;
  max-width: 400px;
  background: var(--bg2);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 34px 30px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
}
.auth-head { text-align: center; margin-bottom: 24px; }
.auth-logo { font-size: 42px; line-height: 1; }
.auth-head h1 { font-size: 20px; margin: 12px 0 4px; }
.auth-head p { margin: 0; }

.tabs { display: flex; gap: 4px; background: var(--bg3); padding: 4px; border-radius: 9px; margin-bottom: 20px; }
.tab {
  flex: 1;
  padding: 9px;
  background: transparent;
  border: 0;
  color: var(--tx2);
  border-radius: 7px;
  cursor: pointer;
  font-size: 14.5px;
  font-family: inherit;
}
.tab.on { background: var(--bg2); color: var(--acc); font-weight: 600; }

.auth-form label { display: block; margin-bottom: 15px; font-size: 13.5px; color: var(--tx2); }
.auth-form input {
  display: block;
  width: 100%;
  margin-top: 6px;
  padding: 11px 13px;
  background: var(--bg);
  border: 1px solid var(--line2);
  border-radius: 8px;
  color: var(--tx);
  font-size: 15px;
  font-family: inherit;
}
.auth-form input:focus { outline: none; border-color: var(--acc); }
.auth-tip { margin-top: 22px; font-size: 12.5px; color: var(--tx3); text-align: center; line-height: 1.8; }
.auth-tip b { color: var(--acc); }

/* ===== 按钮 ===== */
.btn {
  display: inline-block;
  padding: 9px 17px;
  background: var(--bg3);
  color: var(--tx);
  border: 1px solid var(--line2);
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
  font-family: inherit;
  white-space: nowrap;
  transition: background .15s;
}
.btn:hover { background: var(--line); text-decoration: none; }
.btn.primary { background: var(--acc2); border-color: var(--acc2); color: #fff; font-weight: 600; }
.btn.primary:hover { background: var(--acc); border-color: var(--acc); }
.btn.danger { color: var(--err); border-color: #7f1d1d; }
.btn.danger:hover { background: #450a0a; }
.btn.block { width: 100%; padding: 12px; font-size: 15px; }
.btn.sm { padding: 6px 12px; font-size: 13px; }
.btn.xs { padding: 4px 10px; font-size: 12.5px; }

.linkbtn {
  background: none;
  border: 0;
  color: var(--acc);
  cursor: pointer;
  font-size: 12.5px;
  padding: 2px 5px;
  font-family: inherit;
}
.linkbtn:hover { text-decoration: underline; }
.linkbtn.danger { color: var(--err); }

/* ===== 提示条 ===== */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius);
  margin-bottom: 16px;
  font-size: 14px;
}
.alert.ok { background: #052e16; border: 1px solid #166534; color: #86efac; }
.alert.err { background: #450a0a; border: 1px solid #7f1d1d; color: #fca5a5; }

/* ===== 统计卡 ===== */
.stat-row { display: flex; gap: 12px; margin-bottom: 18px; }
.stat {
  flex: 1;
  background: var(--bg2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 15px 18px;
}
.stat-num { font-size: 25px; font-weight: 700; color: var(--acc); line-height: 1.2; }
.stat-label { font-size: 13px; color: var(--tx2); margin-top: 3px; }
.stat.warn .stat-num { color: var(--warn); }

/* ===== 工具栏 ===== */
.toolbar { display: flex; gap: 9px; margin-bottom: 14px; flex-wrap: wrap; }
.search-wrap { display: flex; flex: 1; min-width: 240px; gap: 7px; }
.search-wrap input { flex: 1; }
.toolbar input, .toolbar select {
  padding: 9px 13px;
  background: var(--bg2);
  border: 1px solid var(--line2);
  border-radius: 8px;
  color: var(--tx);
  font-size: 14px;
  font-family: inherit;
}
.toolbar input:focus, .toolbar select:focus { outline: none; border-color: var(--acc); }

.bulk-bar {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 10px 14px;
  background: var(--bg2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin-bottom: 14px;
  flex-wrap: wrap;
}
.bulk-info { margin-left: auto; font-size: 13px; color: var(--tx2); }

/* ===== 短信列表 ===== */
.sms-list { list-style: none; margin: 0; padding: 0; }
.sms-item {
  background: var(--bg2);
  border: 1px solid var(--line);
  border-left: 3px solid var(--acc2);
  border-radius: var(--radius);
  padding: 14px 17px;
  margin-bottom: 9px;
}
.sms-item.unread { background: #16213a; }
.sms-item.read { border-left-color: var(--line2); opacity: .88; }

.sms-head { display: flex; align-items: center; gap: 9px; margin-bottom: 7px; flex-wrap: wrap; }
.sms-sender { font-weight: 700; font-size: 15px; color: var(--tx); }
.dot { width: 8px; height: 8px; background: var(--err); border-radius: 50%; }
.tag {
  font-size: 11.5px;
  padding: 2px 8px;
  border-radius: 5px;
  background: var(--bg3);
  color: var(--tx2);
  border: 1px solid var(--line);
}
.tag.sent { color: var(--ok); border-color: #166534; }
.sms-time { margin-left: auto; font-size: 12.5px; color: var(--tx3); font-variant-numeric: tabular-nums; }

.sms-body {
  color: var(--tx);
  font-size: 14.5px;
  line-height: 1.75;
  word-break: break-word;
  white-space: pre-wrap;
}

.sms-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 10px;
  padding-top: 9px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  flex-wrap: wrap;
}
.meta-dev { color: var(--tx3); }
.meta-ops { margin-left: auto; }

/* ===== 空状态 ===== */
.empty {
  text-align: center;
  padding: 60px 20px;
  background: var(--bg2);
  border: 1px dashed var(--line2);
  border-radius: var(--radius);
}
.empty.sm { padding: 36px 20px; }
.empty-icon { font-size: 46px; }
.empty p { margin: 8px 0; }
.empty .btn { margin-top: 12px; }

/* ===== 分页 ===== */
.pager {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 22px 0;
  font-size: 13.5px;
  color: var(--tx2);
}

/* ===== 卡片（设备页） ===== */
.card {
  background: var(--bg2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  margin-bottom: 22px;
}
.card h2 { font-size: 17px; margin: 0 0 6px; }
.card p { margin: 6px 0; }

.sec-title { font-size: 16px; margin: 26px 0 13px; color: var(--tx); }

/* ===== 绑定信息 ===== */
.bind-card { border-color: var(--acc2); }
.bind-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 12px; margin: 16px 0; }
.bind-item {
  background: var(--bg3);
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 13px;
  position: relative;
}
.bind-label { display: block; font-size: 12.5px; color: var(--tx2); margin-bottom: 7px; }
.bind-val {
  display: block;
  font-family: ui-monospace, Consolas, monospace;
  font-size: 13px;
  color: var(--acc);
  word-break: break-all;
  padding-right: 44px;
  line-height: 1.5;
}
.bind-val.code { font-size: 21px; font-weight: 700; letter-spacing: 2.5px; color: var(--warn); }
.bind-item .btn { position: absolute; right: 9px; top: 32px; }

.steps {
  background: var(--bg3);
  border-radius: 9px;
  padding: 14px 18px;
  font-size: 13.5px;
  line-height: 1.85;
}
.steps ol { margin: 8px 0 0; padding-left: 22px; }
.inline-form { display: inline-block; margin-top: 14px; }

/* ===== 设备卡 ===== */
.dev-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 13px; }
.dev-card {
  background: var(--bg2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
}
.dev-top { display: flex; align-items: center; gap: 11px; margin-bottom: 13px; }
.dev-ico { font-size: 26px; }
.dev-name { font-weight: 700; font-size: 15px; }
.dev-sub { font-size: 12.5px; color: var(--tx2); }
.status {
  margin-left: auto;
  font-size: 11.5px;
  padding: 3px 10px;
  border-radius: 11px;
  font-weight: 600;
}
.status.on { background: #052e16; color: #4ade80; border: 1px solid #166534; }
.status.off { background: var(--bg3); color: var(--tx3); border: 1px solid var(--line); }

.dev-info { width: 100%; border-collapse: collapse; font-size: 13px; }
.dev-info td { padding: 6px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
.dev-info td:first-child { color: var(--tx2); width: 84px; }
.dev-info tr:last-child td { border-bottom: 0; }
.dev-ops { margin-top: 11px; text-align: right; }

.removed-list { display: flex; flex-direction: column; gap: 7px; }
.removed-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 15px;
  background: var(--bg3);
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 13.5px;
}

/* ===== 子账号 ===== */
.member-list { margin: 14px 0; display: flex; flex-direction: column; gap: 8px; }
.member-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: var(--bg3);
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 13.5px;
  flex-wrap: wrap;
  gap: 8px;
}
.member-form { display: flex; gap: 9px; flex-wrap: wrap; margin-top: 14px; }
.member-form input {
  flex: 1;
  min-width: 150px;
  padding: 9px 13px;
  background: var(--bg);
  border: 1px solid var(--line2);
  border-radius: 8px;
  color: var(--tx);
  font-size: 14px;
  font-family: inherit;
}
.member-form input:focus { outline: none; border-color: var(--acc); }

/* ==========================================================
   手机端适配
   ========================================================== */
@media (max-width: 640px) {
  body { font-size: 14.5px; }
  .topbar .wrap { height: auto; flex-wrap: wrap; padding: 10px 14px; gap: 10px; }
  .logo { flex: 1; }
  .nav { order: 3; flex: 100%; }
  .nav a { flex: 1; text-align: center; }
  .userbox { gap: 10px; font-size: 12.5px; }
  .bindcode { font-size: 11.5px; padding: 2px 7px; }
  .uname { display: none; }

  .page { padding: 16px 12px 50px; }

  .stat-row { gap: 8px; }
  .stat { padding: 11px 13px; }
  .stat-num { font-size: 20px; }
  .stat-label { font-size: 11.5px; }

  .toolbar { gap: 7px; }
  .search-wrap { flex: 1 1 100%; }
  .toolbar select { flex: 1; }

  .sms-item { padding: 12px 14px; }
  .sms-time { font-size: 11.5px; }
  .sms-body { font-size: 14px; }
  .meta-ops { margin-left: 0; width: 100%; }

  .bind-grid { grid-template-columns: 1fr; }
  .bind-val.code { font-size: 19px; }
  .steps { padding: 12px 15px; }
  .steps ol { padding-left: 19px; }

  .member-form input { flex: 1 1 100%; }
}