/* ========================================
   短信管理后台 — 精密工业风全局样式
   ======================================== */

:root {
  --bg-root: #080f1a;
  --bg-surface: #101826;
  --bg-card: #182232;
  --bg-input: #0c1420;
  --bg-hover: rgba(255,255,255,0.02);
  --border-subtle: #1e2838;
  --border-card: #1f2b3d;
  --accent: #c4a35a;
  --accent-soft: rgba(196, 163, 90, 0.12);
  --accent-glow: rgba(196, 163, 90, 0.22);
  --accent-dim: rgba(196, 163, 90, 0.06);
  --steel: #6c8eb2;
  --steel-soft: rgba(108, 142, 178, 0.1);
  --green: #5cb878;
  --green-soft: rgba(92, 184, 120, 0.1);
  --danger: #e0556a;
  --danger-soft: rgba(224, 85, 106, 0.08);
  --text-primary: #e2e6f0;
  --text-body: #a8b6c8;
  --text-muted: #5e6d80;
  --sidebar-w: 230px;
  --sidebar-collapsed: 0px;
}

*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { -webkit-text-size-adjust:100%; font-size:15px; }

body {
  font-family: "SF Pro Display", "Segoe UI", system-ui, -apple-system, sans-serif;
  background: var(--bg-root);
  color: var(--text-body);
  min-height: 100vh;
  display: flex;
}
/* 数据类内容用等宽 */
code, .mono, .version, .pwd, .token, .time-col, table, .card-value {
  font-family: "SF Mono", "JetBrains Mono", "Cascadia Code", "Menlo", "Consolas", monospace;
}

/* ---- 侧边栏 ---- */
.sidebar {
  position: fixed; left: 0; top: 0; bottom: 0; z-index: 40;
  width: var(--sidebar-w); background: var(--bg-surface);
  border-right: 1px solid var(--border-subtle);
  display: flex; flex-direction: column;
  overflow-y: auto; overflow-x: hidden;
}
.sidebar-brand {
  padding: 22px 20px 18px;
  border-bottom: 1px solid var(--border-subtle);
}
.sidebar-brand .logo {
  display: flex; align-items: center; gap: 10px; text-decoration: none;
}
.sidebar-brand .logo-mark {
  width: 32px; height: 32px; border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), #8b6f2e);
  display: flex; align-items: center; justify-content: center;
  font-size: 15px; font-weight: 700; color: #fff; flex-shrink: 0;
}
.sidebar-brand .logo-text {
  font-size: 13px; font-weight: 600; letter-spacing: 0.04em;
  color: var(--text-primary); line-height: 1.2;
}
.sidebar-brand .logo-sub {
  font-size: 10px; color: var(--text-muted); letter-spacing: 0.06em; font-weight: 400;
}
.sidebar-nav { padding: 12px 10px; flex: 1; display: flex; flex-direction: column; gap: 2px; }
.sidebar-section {
  font-size: 10px; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--text-muted); padding: 14px 14px 6px; margin-top: 4px;
}
.sidebar-link {
  display: flex; align-items: center; gap: 10px; padding: 9px 14px;
  font-size: 13px; font-weight: 500; letter-spacing: 0.02em;
  color: var(--text-muted); text-decoration: none; border-radius: 8px;
  transition: all 0.18s ease;
}
.sidebar-link:hover { color: var(--text-body); background: var(--bg-hover); }
.sidebar-link.active {
  color: var(--accent); background: var(--accent-soft);
  font-weight: 600;
}
.sidebar-link .nav-dot {
  width: 5px; height: 5px; border-radius: 50%; flex-shrink: 0;
  background: var(--text-muted); opacity: 0.5;
}
.sidebar-link.active .nav-dot { background: var(--accent); opacity: 1; box-shadow: 0 0 6px var(--accent-glow); }
.sidebar-link .nav-icon { font-size: 15px; width: 20px; text-align: center; flex-shrink: 0; }

/* ---- 主内容区 ---- */
.main {
  margin-left: var(--sidebar-w); flex: 1; min-height: 100vh;
  display: flex; flex-direction: column;
}
.header {
  position: sticky; top: 0; z-index: 30;
  padding: 0 32px; height: 56px;
  background: var(--bg-surface); border-bottom: 1px solid var(--border-subtle);
  display: flex; align-items: center; justify-content: space-between;
  backdrop-filter: blur(8px);
}
.header-title { font-size: 14px; font-weight: 600; color: var(--text-primary); letter-spacing: 0.03em; }
.header-meta { display: flex; align-items: center; gap: 16px; font-size: 12px; color: var(--text-muted); }
.header-meta .user-tag {
  padding: 4px 12px; border-radius: 6px; font-size: 11px; font-weight: 500;
  background: var(--accent-soft); color: var(--accent); letter-spacing: 0.04em;
}
.header-meta a {
  color: var(--text-muted); text-decoration: none; font-size: 11px; padding: 4px 10px;
  border-radius: 5px; transition: all 0.18s;
}
.header-meta a:hover { color: var(--danger); background: var(--danger-soft); }

.content { padding: 32px; flex: 1; }

/* ---- 面包屑 ---- */
.breadcrumb { font-size: 12px; color: var(--text-muted); margin-bottom: 20px; letter-spacing: 0.03em; }
.breadcrumb a { color: var(--text-muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb span { color: var(--text-body); }

/* ---- 页面标题 ---- */
.page-title { font-size: 22px; font-weight: 600; color: var(--text-primary); letter-spacing: 0.02em; margin-bottom: 24px; }
.page-sub { font-size: 12px; color: var(--text-muted); margin-top: 4px; }

/* ---- Dashboard 卡片 ---- */
.stat-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 16px; margin-bottom: 32px; }
.stat-card {
  background: var(--bg-card); border: 1px solid var(--border-card);
  border-radius: 12px; padding: 24px; position: relative;
  transition: all 0.3s cubic-bezier(0.2,0,0,1);
  animation: fadeUp 0.5s cubic-bezier(0.2,0,0,1) backwards;
}
.stat-card:nth-child(1){animation-delay:0.04s}
.stat-card:nth-child(2){animation-delay:0.1s}
.stat-card:nth-child(3){animation-delay:0.16s}
.stat-card:nth-child(4){animation-delay:0.22s}
@keyframes fadeUp { from{opacity:0;transform:translateY(10px)} to{opacity:1;transform:translateY(0)} }
.stat-card:hover { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent-soft); }
.stat-card .stat-label {
  font-size: 11px; font-weight: 600; letter-spacing: 0.08em;
  color: var(--text-muted); text-transform: uppercase; margin-bottom: 12px;
}
.stat-card .stat-value { font-size: 36px; font-weight: 500; color: var(--text-primary); letter-spacing: 0.02em; line-height: 1; }
.stat-card .stat-period { font-size: 11px; color: var(--text-muted); margin-top: 8px; letter-spacing: 0.03em; }

/* ---- 表单卡片 ---- */
.form-card {
  background: var(--bg-card); border: 1px solid var(--border-card);
  border-radius: 12px; padding: 24px; margin-bottom: 20px;
}
.form-card .form-title {
  font-size: 12px; font-weight: 600; letter-spacing: 0.04em;
  color: var(--text-primary); margin-bottom: 16px;
}
.form-row { display: flex; gap: 12px; align-items: flex-end; flex-wrap: wrap; }
.form-row .field { flex: 1; min-width: 160px; }
.form-row .field-wide { flex: 2; min-width: 240px; }
.form-row label {
  display: block; font-size: 11px; font-weight: 500; letter-spacing: 0.03em;
  color: var(--text-muted); margin-bottom: 5px;
}
.form-row input,
.form-row select,
.form-row textarea {
  width: 100%; padding: 10px 14px; background: var(--bg-input);
  border: 1px solid var(--border-subtle); border-radius: 8px;
  color: var(--text-primary); font-family: inherit; font-size: 13px;
  outline: none; transition: all 0.2s;
}
.form-row textarea { min-height: 80px; resize: vertical; }
.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-dim); }
.form-row select option { background: var(--bg-surface); color: var(--text-body); }
.form-row input:read-only { opacity: 0.45; }
.checkbox-field { display: flex; align-items: center; gap: 8px; padding-top: 18px; }
.checkbox-field input[type="checkbox"] { width: 16px; height: 16px; accent-color: var(--accent); cursor: pointer; }
.checkbox-field label { font-size: 12px; color: var(--text-body); cursor: pointer; margin: 0; font-weight: 400; }

/* ---- 按钮 ---- */
.btn {
  padding: 9px 20px; font-family: inherit; font-size: 12px; font-weight: 600;
  letter-spacing: 0.03em; border-radius: 8px; cursor: pointer;
  transition: all 0.2s; white-space: nowrap; text-decoration: none;
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  border: 1px solid transparent;
}
.btn-primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-primary:hover { background: #d4b368; border-color: #d4b368; box-shadow: 0 2px 12px var(--accent-glow); }
.btn-outline { background: transparent; color: var(--accent); border-color: var(--accent); }
.btn-outline:hover { background: var(--accent-soft); }
.btn-ghost { background: transparent; color: var(--text-muted); border-color: var(--border-subtle); }
.btn-ghost:hover { color: var(--text-body); border-color: var(--text-muted); }
.btn-sm {
  padding: 5px 14px; font-size: 11px; letter-spacing: 0.02em; border-radius: 6px;
  border: 1px solid var(--border-subtle); color: var(--text-muted);
  text-decoration: none; transition: all 0.18s; display: inline-block;
  background: transparent; font-family: inherit; cursor: pointer; font-weight: 500;
}
.btn-sm:hover { color: var(--accent); border-color: var(--accent); }
.btn-sm.primary { color: var(--accent); border-color: var(--accent); }
.btn-sm.primary:hover { background: var(--accent-soft); }
.btn-sm.on { color: var(--green); border-color: var(--green); }
.btn-sm.off { color: var(--danger); border-color: var(--danger); }
.btn-sm.danger { color: var(--danger); border-color: rgba(224,85,106,0.25); }
.btn-sm.danger:hover { background: var(--danger-soft); }

/* ---- 徽章 ---- */
.badge {
  display: inline-block; padding: 3px 10px; border-radius: 5px;
  font-size: 10px; font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase;
}
.badge-on   { background: var(--green-soft); color: var(--green); border: 1px solid rgba(92,184,120,0.2); }
.badge-off  { background: var(--danger-soft); color: var(--danger); border: 1px solid rgba(224,85,106,0.2); }
.badge-accent { background: var(--accent-soft); color: var(--accent); border: 1px solid rgba(196,163,90,0.2); }
.badge-steel  { background: var(--steel-soft); color: var(--steel); border: 1px solid rgba(108,142,178,0.2); }
.badge-me { font-size: 9px; color: var(--green); margin-left: 6px; font-weight: 500; }

/* ---- 表格 ---- */
.table-wrap {
  background: var(--bg-card); border: 1px solid var(--border-card);
  border-radius: 12px; overflow: hidden;
}
table { width: 100%; border-collapse: collapse; }
th {
  text-align: left; padding: 12px 18px; font-size: 10px; font-weight: 600;
  letter-spacing: 0.06em; color: var(--text-muted); text-transform: uppercase;
  background: var(--bg-surface); border-bottom: 1px solid var(--border-subtle);
}
td {
  padding: 12px 18px; font-size: 13px; letter-spacing: 0.02em;
  border-bottom: 1px solid rgba(30,40,56,0.5);
}
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--bg-hover); }
td.empty-row { text-align: center; padding: 48px 20px; color: var(--text-muted); font-size: 13px; }

/* ---- 筛选栏 ---- */
.filter-bar {
  background: var(--bg-card); border: 1px solid var(--border-card);
  border-radius: 12px; padding: 20px 24px; margin-bottom: 20px;
  display: flex; flex-wrap: wrap; gap: 14px; align-items: flex-end;
}
.filter-item { display: flex; flex-direction: column; gap: 4px; }
.filter-item label { font-size: 10px; font-weight: 600; letter-spacing: 0.06em; color: var(--text-muted); text-transform: uppercase; }
.filter-item input,
.filter-item select {
  padding: 8px 12px; background: var(--bg-input); border: 1px solid var(--border-subtle);
  border-radius: 8px; color: var(--text-body); font-family: inherit; font-size: 12px;
  outline: none; transition: all 0.2s; min-width: 150px;
}
.filter-item select option { background: var(--bg-surface); color: var(--text-body); }
.filter-item input:focus,
.filter-item select:focus { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-dim); }

/* ---- 分页 ---- */
.pagination { display: flex; justify-content: center; align-items: center; gap: 6px; margin-top: 24px; }
.pagination a, .pagination span {
  padding: 7px 14px; border: 1px solid var(--border-subtle); border-radius: 7px;
  font-size: 12px; letter-spacing: 0.02em; text-decoration: none; color: var(--text-muted);
  transition: all 0.18s;
}
.pagination a:hover { color: var(--accent); border-color: var(--accent); }
.pagination .active { background: var(--accent); color: #fff; border-color: var(--accent); font-weight: 600; }
.pagination .disabled { color: #2e3848; pointer-events: none; border-color: #16202c; }

/* ---- 消息提示 ---- */
.toast {
  padding: 12px 18px; border-radius: 9px; font-size: 13px; letter-spacing: 0.02em;
  margin-bottom: 20px; display: flex; align-items: center; gap: 10px;
}
.toast-success { background: var(--green-soft); border: 1px solid rgba(92,184,120,0.2); color: var(--green); }
.toast-error  { background: var(--danger-soft); border: 1px solid rgba(224,85,106,0.2); color: var(--danger); }
.db-error {
  background: var(--danger-soft); border: 1px solid rgba(224,85,106,0.2);
  border-left: 3px solid var(--danger); color: var(--danger);
  padding: 14px 18px; border-radius: 8px; font-size: 12px; margin-bottom: 20px;
}
.summary-bar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.summary-bar .total { font-size: 12px; color: var(--text-muted); letter-spacing: 0.03em; }
.summary-bar .total strong { color: var(--accent); font-weight: 600; }

/* ---- 杂项 ---- */
.link-url { color: var(--steel); font-size: 12px; text-decoration: none; }
.link-url:hover { text-decoration: underline; color: var(--accent); }
.pwd {
  font-family: "SF Mono", "JetBrains Mono", monospace;
  background: var(--accent-dim); color: var(--accent);
  padding: 3px 10px; border-radius: 4px; font-size: 12px; letter-spacing: 0.04em;
  border: 1px solid rgba(196,163,90,0.12);
}
.version { color: var(--accent); font-weight: 600; font-size: 13px; }
.platform-tag {
  display: inline-block; padding: 3px 10px; border-radius: 5px;
  font-size: 10px; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase;
  border: 1px solid var(--border-subtle); color: var(--text-muted);
}
.platform-name code {
  font-family: "SF Mono", monospace; background: var(--accent-dim);
  color: var(--accent); padding: 2px 8px; border-radius: 4px; font-size: 12px;
  border: 1px solid rgba(196,163,90,0.12);
}

/* ---- 移动端菜单按钮 ---- */
.menu-toggle {
  display: none; position: fixed; top: 12px; left: 12px; z-index: 50;
  width: 36px; height: 36px; border-radius: 8px;
  background: var(--bg-surface); border: 1px solid var(--border-subtle);
  color: var(--text-muted); font-size: 18px; cursor: pointer;
  align-items: center; justify-content: center;
}
.sidebar-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.4); z-index: 35; }

/* ========================================
   登录页
   ======================================== */
.login-page {
  display: flex; align-items: center; justify-content: center;
  min-height: 100vh; background: var(--bg-root);
}
.login-wrap {
  width: 420px; animation: fadeUp 0.6s cubic-bezier(0.2,0,0,1);
}
.login-brand {
  text-align: center; margin-bottom: 28px;
}
.login-brand .mark {
  display: inline-block; width: 48px; height: 48px; border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), #8b6f2e);
  margin-bottom: 14px; font-size: 22px; line-height: 48px; color: #fff; font-weight: 700;
}
.login-brand h1 { font-size: 16px; font-weight: 600; color: var(--text-primary); letter-spacing: 0.04em; }
.login-brand .sub { font-size: 11px; color: var(--text-muted); margin-top: 4px; }
.login-card {
  background: var(--bg-card); border: 1px solid var(--border-card);
  border-radius: 14px; padding: 36px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}
.login-card .field { margin-bottom: 18px; }
.login-card .field label {
  display: block; font-size: 11px; font-weight: 500; letter-spacing: 0.03em;
  color: var(--text-muted); margin-bottom: 6px;
}
.login-card .field input {
  width: 100%; padding: 12px 16px; background: var(--bg-input);
  border: 1px solid var(--border-subtle); border-radius: 10px;
  color: var(--text-primary); font-family: inherit; font-size: 14px;
  outline: none; transition: all 0.25s;
}
.login-card .field input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-dim); }
.login-card .field input:-webkit-autofill {
  -webkit-text-fill-color: var(--text-primary);
  -webkit-box-shadow: 0 0 0 50px var(--bg-input) inset;
}
.btn-login {
  width: 100%; padding: 13px; background: var(--accent); color: #fff;
  border: none; border-radius: 10px; font-family: inherit; font-size: 14px;
  font-weight: 600; letter-spacing: 0.06em; cursor: pointer;
  transition: all 0.2s; margin-top: 4px;
}
.btn-login:hover { background: #d4b368; box-shadow: 0 4px 16px var(--accent-glow); }
.login-alert {
  background: var(--danger-soft); border: 1px solid rgba(224,85,106,0.2);
  color: var(--danger); padding: 12px 16px; border-radius: 9px;
  font-size: 12px; margin-bottom: 20px; display: flex; align-items: center; gap: 8px;
}

/* ========================================
   响应式
   ======================================== */
@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); transition: transform 0.25s ease; }
  .sidebar.open { transform: translateX(0); }
  .sidebar-overlay.show { display: block; }
  .menu-toggle { display: flex; }
  .main { margin-left: 0; }
  .header { padding: 0 16px 0 56px; height: 48px; }
  .header-title { font-size: 12px; }
  .content { padding: 20px 16px; }
  .stat-grid { grid-template-columns: repeat(2,1fr); gap: 10px; }
  .stat-card { padding: 18px 16px; }
  .stat-card .stat-value { font-size: 26px; }
  .form-card { padding: 16px; }
  .form-row { flex-direction: column; }
  .form-row .field, .form-row .field-wide { min-width: auto; width: 100%; }
  .form-row input, .form-row select, .form-row textarea { font-size: 14px; padding: 11px 14px; }
  .btn, .btn-filter, .btn-ghost { width: 100%; text-align: center; justify-content: center; padding: 11px; font-size: 13px; }
  .filter-bar { flex-direction: column; gap: 10px; padding: 16px; }
  .filter-item { width: 100%; }
  .filter-item input, .filter-item select { width: 100%; min-width: auto; font-size: 14px; padding: 10px; }
  .table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .table-wrap table { min-width: 500px; }
  th, td { padding: 10px 14px; font-size: 11px; white-space: nowrap; }
  .pagination { flex-wrap: wrap; gap: 4px; }
  .pagination a, .pagination span { padding: 6px 10px; font-size: 11px; }
  .login-wrap { width: calc(100vw - 32px); }
  .login-card { padding: 24px 20px; }
}

@media (max-width: 480px) {
  .stat-grid { grid-template-columns: 1fr; }
  .stat-card .stat-value { font-size: 24px; }
  .header-meta { gap: 8px; font-size: 10px; }
  .header-meta a { padding: 3px 8px; font-size: 10px; }
}