:root {
    --bg:         #f4f5f9;
    --bg-card:   #ffffff;
    --border:    #e6e8ef;
    --text:      #1f2333;
    --text-dim:  #7a8294;
    --primary:   #ff5c8a;
    --primary-d: #d8456f;
    --accent:    #6a8cff;
    --ok:        #2bb673;
    --warn:      #f5a623;
    --err:       #ef4444;
    --sidebar:   #1a1e2c;
    --sidebar-t: #c8ccd9;
    --sidebar-a: #ff5c8a;
}

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

/* ==== Login ==== */
.login-wrap {
    min-height: 100vh; display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, #ffe1ec 0%, #e6ecff 100%);
}
.login-card {
    width: 380px; padding: 36px 32px; background: #fff; border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.08);
}
.login-card h1 { margin: 0 0 4px; font-size: 22px; }
.login-card .sub { color: var(--text-dim); margin-bottom: 24px; font-size: 13px; }
.login-card label { display: block; font-size: 12px; color: var(--text-dim); margin: 14px 0 6px; }
.login-card input { width: 100%; padding: 11px 12px; border: 1px solid var(--border); border-radius: 10px; font-size: 14px; outline: none; }
.login-card input:focus { border-color: var(--primary); }
.login-card button {
    width: 100%; margin-top: 22px; padding: 12px; border: 0; background: var(--primary);
    color: #fff; border-radius: 10px; font-size: 15px; cursor: pointer; font-weight: 500;
}
.login-card button:hover { background: var(--primary-d); }
.login-card .err { color: var(--err); margin-top: 12px; font-size: 13px; }
.login-logo { display: flex; align-items: center; gap: 8px; margin-bottom: 24px; }
.login-logo svg { color: var(--primary); }

/* ==== App shell ==== */
.app-shell { display: flex; min-height: 100vh; }

.sidebar {
    width: 220px; background: var(--sidebar); color: var(--sidebar-t); flex-shrink: 0;
    display: flex; flex-direction: column; padding: 16px 0;
}
.sidebar .brand { display: flex; align-items: center; gap: 10px; padding: 8px 20px 24px; font-size: 17px; color: #fff; font-weight: 600; }
.sidebar .brand svg { color: var(--primary); }
.sidebar .nav { flex: 1; }
.sidebar .nav-item {
    display: flex; align-items: center; gap: 12px;
    padding: 11px 20px; cursor: pointer; border-left: 3px solid transparent;
    font-size: 14px; color: var(--sidebar-t);
}
.sidebar .nav-item:hover { background: rgba(255,255,255,0.04); color: #fff; }
.sidebar .nav-item.active { background: rgba(255,92,138,0.08); border-left-color: var(--sidebar-a); color: #fff; }
.sidebar .nav-item svg { flex-shrink: 0; opacity: 0.9; }
.sidebar .foot { padding: 12px 20px; border-top: 1px solid rgba(255,255,255,0.06); display: flex; align-items: center; gap: 8px; cursor: pointer; color: var(--sidebar-t); }
.sidebar .foot:hover { color: #fff; }

.main { flex: 1; display: flex; flex-direction: column; overflow: hidden; }
.topbar {
    display: flex; align-items: center; justify-content: space-between;
    padding: 14px 24px; background: #fff; border-bottom: 1px solid var(--border);
}
.topbar h2 { margin: 0; font-size: 18px; font-weight: 600; }
.topbar .status { display: flex; align-items: center; gap: 8px; color: var(--text-dim); font-size: 13px; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--err); }
.dot.ok { background: var(--ok); }

.content { padding: 24px; overflow: auto; flex: 1; }

/* ==== Stats cards ==== */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card {
    background: var(--bg-card); border-radius: 14px; padding: 18px 20px;
    display: flex; align-items: center; gap: 14px; border: 1px solid var(--border);
}
.stat-card .icon { width: 44px; height: 44px; border-radius: 12px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.stat-card .icon svg { color: #fff; }
.stat-card .num { font-size: 22px; font-weight: 600; }
.stat-card .lbl { font-size: 12px; color: var(--text-dim); margin-top: 2px; }
.stat-card.pink   .icon { background: linear-gradient(135deg, #ff7aa3 0%, #ff5c8a 100%); }
.stat-card.blue   .icon { background: linear-gradient(135deg, #6a8cff 0%, #5066d8 100%); }
.stat-card.green  .icon { background: linear-gradient(135deg, #2bb673 0%, #1e9a5e 100%); }
.stat-card.orange .icon { background: linear-gradient(135deg, #ffba5a 0%, #f5a623 100%); }

/* ==== Section card ==== */
.card { background: var(--bg-card); border-radius: 14px; border: 1px solid var(--border); padding: 20px; margin-bottom: 20px; }
.card h3 { margin: 0 0 14px; font-size: 15px; font-weight: 600; display: flex; align-items: center; gap: 8px; }
.card .actions { display: flex; gap: 8px; }

/* ==== Tables ==== */
.table { width: 100%; border-collapse: collapse; }
.table th, .table td { padding: 11px 12px; text-align: left; border-bottom: 1px solid var(--border); font-size: 13px; }
.table th { color: var(--text-dim); font-weight: 500; background: #fafbfd; }
.table tr:hover { background: #fafbfd; }
.badge { display: inline-flex; align-items: center; gap: 4px; padding: 3px 8px; border-radius: 6px; font-size: 12px; }
.badge.online { background: #e6f7ee; color: #1e9a5e; }
.badge.offline { background: #f0f1f4; color: var(--text-dim); }
.badge.warn  { background: #fff5e6; color: #b07000; }
.badge.bind  { background: #fde9ef; color: var(--primary-d); }
.badge code { font-family: ui-monospace, "SF Mono", Menlo, monospace; }

/* ==== Buttons ==== */
.btn { padding: 8px 14px; border-radius: 8px; border: 1px solid var(--border); background: #fff; cursor: pointer; font-size: 13px; display: inline-flex; align-items: center; gap: 6px; }
.btn:hover { border-color: var(--primary); color: var(--primary); }
.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-d); color: #fff; border-color: var(--primary-d); }
.btn-danger { background: #fff; color: var(--err); border-color: #ffd5d5; }
.btn-danger:hover { background: #fef2f2; }
.btn-ghost { background: transparent; border: 0; padding: 6px 8px; }
.btn-ghost:hover { background: rgba(0,0,0,0.04); color: var(--primary); border: 0; }

/* ==== Forms ==== */
.form-row { display: flex; gap: 14px; align-items: end; flex-wrap: wrap; margin-bottom: 12px; }
.form-row label { display: block; font-size: 12px; color: var(--text-dim); margin-bottom: 6px; }
.input, .select, textarea {
    padding: 9px 11px; border: 1px solid var(--border); border-radius: 8px; outline: none;
    font-size: 13px; min-width: 200px; font-family: inherit; background: #fff;
}
textarea { width: 100%; min-height: 80px; resize: vertical; }
.input:focus, .select:focus, textarea:focus { border-color: var(--primary); }

/* ==== Modal ==== */
.modal-mask { position: fixed; inset: 0; background: rgba(0,0,0,0.4); display: flex; align-items: center; justify-content: center; z-index: 1000; }
.modal { background: #fff; border-radius: 14px; padding: 24px; width: 460px; max-width: calc(100% - 32px); }
.modal h3 { margin-top: 0; }
.modal .row { display: flex; justify-content: flex-end; gap: 8px; margin-top: 18px; }

/* ==== Toast ==== */
.toast { position: fixed; top: 20px; right: 20px; background: #1f2333; color: #fff; padding: 10px 16px; border-radius: 8px; font-size: 13px; box-shadow: 0 6px 24px rgba(0,0,0,0.15); z-index: 2000; }
.toast.err { background: var(--err); }
.toast.ok  { background: var(--ok); }

/* Util */
.mono { font-family: ui-monospace, "SF Mono", Menlo, monospace; }
.muted { color: var(--text-dim); }
.gap { display: flex; gap: 10px; align-items: center; }
.right { display: flex; justify-content: flex-end; }