/* ============================================================
   SCADAI 工作台 · 统一样式
   色板（来自设计说明 v0.3，品牌红取自红色 Logo，非 VI 错误蓝）
   --brand:        #8C3B46  品牌红 Primary
   --brand-bright: #9E424D  亮品牌红
   --bg:           #F9FAFB  背景
   --fg:           #111827  文字
   --muted:        #F3F4F6  侧栏/浅灰
   --border:       #E5E7EB  边框
   --primary-soft: #F6ECEE  激活底(约10%品牌红)
   --green:        #16A34A  正常/状态绿呼吸灯
   --warn:         #D97706  提示黄
   ============================================================ */

:root{
  --brand:#8C3B46;
  --brand-bright:#9E424D;
  --bg:#F9FAFB;
  --fg:#111827;
  --muted:#F3F4F6;
  --border:#E5E7EB;
  --primary-soft:#F6ECEE;
  --green:#16A34A;
  --warn:#D97706;
  --sidebar-w:248px;
}

*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Roboto,Helvetica,Arial,sans-serif;
  color:var(--fg);
  background:var(--bg);
  font-size:14px;
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}

/* ---------- 通用按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:9px 16px;border-radius:8px;border:1px solid var(--border);
  background:#fff;color:var(--fg);cursor:pointer;font-size:14px;font-weight:500;
  transition:all .15s ease;
}
.btn:hover{border-color:#d1d5db}
.btn-primary{background:var(--brand);border-color:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-bright);border-color:var(--brand-bright)}

/* ---------- 状态呼吸灯 ---------- */
.dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--green);
  box-shadow:0 0 0 0 rgba(22,163,74,.5);animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(22,163,74,.5)}70%{box-shadow:0 0 0 6px rgba(22,163,74,0)}100%{box-shadow:0 0 0 0 rgba(22,163,74,0)}}

/* ============================================================
   登录页（仿华工 OA：全屏花纹背景 + 右侧悬浮毛玻璃卡片）
   ============================================================ */
.login-wrap{
  position:fixed;inset:0;
  /* 简洁花纹背景：菱形网格 + 极淡品牌红 */
  background-color:#f4f1f2;
  background-image:
    linear-gradient(135deg, rgba(140,59,70,.05) 25%, transparent 25%),
    linear-gradient(225deg, rgba(140,59,70,.05) 25%, transparent 25%),
    linear-gradient(45deg, rgba(140,59,70,.04) 25%, transparent 25%),
    linear-gradient(315deg, rgba(140,59,70,.04) 25%, transparent 25%);
  background-position:0 0, 18px 0, 0 18px, 18px 18px;
  background-size:36px 36px;
  display:flex;align-items:flex-start;justify-content:flex-end;
}
.login-wrap::before{
  /* 右侧暗角，突出卡片 */
  content:"";position:absolute;inset:0;
  background:linear-gradient(to left, rgba(20,8,10,.35), rgba(20,8,10,0) 55%);
}
.login-card{
  position:relative;z-index:1;
  width:360px;margin:14vh 9% 0 0;
  padding:40px 34px 28px;
  border-radius:14px;
  background:rgba(40,18,22,.42);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border:1px solid rgba(255,255,255,.18);
  box-shadow:0 18px 50px rgba(0,0,0,.28);
  color:#fff;
}
.login-logo{display:flex;justify-content:center;margin-bottom:18px}
.login-logo img{width:54px;height:54px;filter:brightness(0) invert(1)}
.login-title{text-align:center;font-size:20px;font-weight:600;letter-spacing:1px;margin-bottom:4px}
.login-sub{text-align:center;font-size:12px;opacity:.7;margin-bottom:26px}
.field{display:flex;align-items:center;gap:10px;padding:10px 4px;
  border-bottom:1px solid rgba(255,255,255,.35);margin-bottom:18px}
.field .ico{width:18px;height:18px;opacity:.85;flex:none}
.field input{flex:1;background:transparent;border:none;outline:none;color:#fff;font-size:15px}
.field input::placeholder{color:rgba(255,255,255,.55)}
.login-forgot{display:block;text-align:right;font-size:12px;color:#fff;opacity:.8;text-decoration:underline;margin:-8px 0 18px}
.login-btn{width:100%;padding:12px;border:none;border-radius:8px;
  background:var(--brand);color:#fff;font-size:15px;font-weight:600;cursor:pointer;letter-spacing:2px}
.login-btn:hover{background:var(--brand-bright)}
.login-tip{text-align:center;font-size:12px;opacity:.7;margin-top:16px}
.login-foot{position:fixed;left:0;right:0;bottom:14px;text-align:center;
  font-size:11px;color:rgba(40,18,22,.55);z-index:1}

/* ============================================================
   Dashboard 框架（侧栏 + 顶部 + 内容区）
   ============================================================ */
.app{display:flex;min-height:100vh}
.sidebar{
  width:var(--sidebar-w);flex:none;background:var(--muted);
  border-right:1px solid var(--border);
  display:flex;flex-direction:column;position:sticky;top:0;height:100vh;
}
.brand{display:flex;align-items:center;gap:10px;padding:18px 18px;border-bottom:1px solid var(--border)}
.brand img{width:30px;height:30px}
.brand .name{font-weight:700;font-size:15px;color:var(--brand)}
.brand .name small{display:block;font-weight:400;font-size:11px;color:#6b7280}
.nav{flex:1;padding:10px 0;overflow-y:auto}
.nav-item{display:flex;align-items:center;gap:11px;padding:11px 18px;color:#374151;cursor:pointer;
  border-left:3px solid transparent;font-size:14px}
.nav-item .ni-ico{width:18px;height:18px;flex:none;opacity:.7}
.nav-item:hover{background:#eceef1}
.nav-item.active{background:var(--primary-soft);color:var(--brand);border-left-color:var(--brand);font-weight:600}
.nav-item.active .ni-ico{opacity:1}
.nav-sep{height:1px;background:var(--border);margin:10px 14px}
.side-foot{padding:12px 18px;border-top:1px solid var(--border);font-size:12px;color:#6b7280;
  display:flex;align-items:center;gap:7px}

.main{flex:1;display:flex;flex-direction:column;min-width:0}
.topbar{height:56px;background:#fff;border-bottom:1px solid var(--border);
  display:flex;align-items:center;justify-content:space-between;padding:0 22px;position:sticky;top:0;z-index:5}
.topbar .crumb{font-size:14px;color:#374151;font-weight:500}
.topbar .crumb b{color:var(--fg)}
.topbar .right{display:flex;align-items:center;gap:14px}
.topbar .search{display:flex;align-items:center;gap:8px;background:var(--bg);
  border:1px solid var(--border);border-radius:8px;padding:6px 12px;color:#9ca3af;font-size:13px}
.topbar .search input{border:none;outline:none;background:transparent;font-size:13px;width:160px}
.topbar .avatar{width:30px;height:30px;border-radius:50%;background:var(--primary-soft);
  color:var(--brand);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:13px}
.content{padding:26px;flex:1}

/* 概览 hero */
.hero{background:#fff;border:1px solid var(--border);border-radius:14px;padding:26px;margin-bottom:22px;
  border-left:4px solid var(--brand)}
.hero h1{font-size:20px;margin-bottom:6px}
.hero p{color:#6b7280;font-size:13px}
.hero .hint{margin-top:14px;font-size:12px;color:var(--warn);
  background:#FFFBEB;border:1px solid #FDE68A;border-radius:8px;padding:8px 12px;display:inline-block}

/* 模块卡片网格 */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(232px,1fr));gap:16px}
.card{background:#fff;border:1px solid var(--border);border-radius:12px;padding:18px;cursor:pointer;
  transition:all .15s ease;display:flex;flex-direction:column;gap:8px}
.card:hover{border-color:var(--brand);box-shadow:0 6px 18px rgba(140,59,70,.10);transform:translateY(-2px)}
.card .c-ico{width:38px;height:38px;border-radius:9px;background:var(--muted);
  display:flex;align-items:center;justify-content:center;color:#6b7280}
.card.active .c-ico{background:var(--primary-soft);color:var(--brand)}
.card .c-name{font-weight:600;font-size:15px}
.card .c-desc{font-size:12px;color:#6b7280;flex:1}
.card .c-tag{font-size:11px;color:#9ca3af}
.card .c-tag.live{color:var(--green)}
.card .c-tag.soon{color:var(--warn)}

.section-title{font-size:15px;font-weight:600;margin:6px 0 14px;display:flex;align-items:center;gap:8px}
.section-title .bar{width:4px;height:16px;background:var(--brand);border-radius:2px}

/* 占位骨架（信息台等） */
.skeleton{height:90px;background:linear-gradient(90deg,#f3f4f6 25%,#e9ebef 37%,#f3f4f6 63%);
  background-size:400% 100%;animation:sk 1.4s ease infinite;border-radius:10px;margin-bottom:12px}
@keyframes sk{0%{background-position:100% 0}100%{background-position:-100% 0}}

.empty{padding:60px;text-align:center;color:#9ca3af;font-size:14px}

/* ===== 管理界面：Tab + 表格（追加到 style.css 末尾） ===== */
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--border);margin-bottom:18px}
.tab{padding:10px 18px;border:none;background:none;cursor:pointer;font-size:14px;color:#6b7280;
  border-bottom:2px solid transparent;font-weight:500}
.tab:hover{color:var(--fg)}
.tab.active{color:var(--brand);border-bottom-color:var(--brand);font-weight:600}
.tab-panel{padding-top:2px}

.table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--border);
  border-radius:10px;overflow:hidden;font-size:13px}
.table th,.table td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--border);vertical-align:middle}
.table th{background:var(--muted);color:#374151;font-weight:600;font-size:12px}
.table tbody tr:last-child td{border-bottom:none}
.table tbody tr:hover{background:#fafafa}
.table code{background:var(--muted);padding:2px 6px;border-radius:4px;font-size:12px;color:#374151}

.badge-live{color:var(--green);font-size:12px;font-weight:500}
.badge-soon{color:var(--warn);font-size:12px;font-weight:500}

.ops{display:flex;gap:8px;white-space:nowrap}
.btn-sm{padding:5px 11px;font-size:12px;border-radius:6px;border:1px solid var(--border);
  background:#fff;cursor:pointer;color:#374151;transition:all .15s}
.btn-sm:hover{border-color:var(--brand);color:var(--brand)}
.btn-sm.danger{color:#dc2626}
.btn-sm.danger:hover{border-color:#dc2626;background:#fef2f2}

.freq-top{margin-bottom:14px;display:flex;align-items:center;gap:10px;font-size:13px;color:#374151}
.freq-top select,.table select{padding:6px 10px;border:1px solid var(--border);border-radius:6px;
  background:#fff;font-size:13px;color:var(--fg)}