/* =====================================================================
   OMNIMESH — design system (dark, high-end AI-compute aesthetic)
   ===================================================================== */
:root {
  --bg: #04070d;
  --bg-2: #070c16;
  --panel: rgba(13, 20, 34, 0.72);
  --panel-2: rgba(17, 26, 44, 0.85);
  --border: rgba(148, 163, 184, 0.14);
  --border-strong: rgba(148, 163, 184, 0.28);
  --text: #e6edf7;
  --text-2: #93a4bc;
  --text-3: #5c6d85;
  --accent: #22d3ee;
  --accent-2: #8b5cf6;
  --green: #34d399;
  --amber: #fbbf24;
  --red: #f87171;
  --mono: ui-monospace, "SF Mono", "Cascadia Code", Menlo, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --radius: 14px;
  --radius-sm: 9px;
  --shadow: 0 18px 50px -18px rgba(0, 0, 0, 0.65);
  --glow: 0 0 24px -6px rgba(34, 211, 238, 0.45);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  background-image:
    radial-gradient(1100px 500px at 85% -10%, rgba(139, 92, 246, 0.13), transparent 60%),
    radial-gradient(900px 420px at -10% 10%, rgba(34, 211, 238, 0.10), transparent 55%),
    linear-gradient(rgba(148, 163, 184, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.035) 1px, transparent 1px);
  background-size: auto, auto, 44px 44px, 44px 44px;
}
a { color: var(--accent); text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; color: var(--text); }
h1, h2, h3, h4, p, .stat .value, .pprice, .kv dd { overflow-wrap: break-word; word-break: break-word; }
.mono { font-family: var(--mono); }
.muted { color: var(--text-2); }
.small { font-size: 12.5px; }

/* ---------- layout ---------- */
.topbar {
  position: sticky; top: 0; z-index: 40;
  display: flex; align-items: center; gap: 18px;
  padding: 14px 26px;
  background: rgba(4, 7, 13, 0.82);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 11px; font-weight: 700; letter-spacing: 0.3px; font-size: 16.5px; }
.brand .logo { width: 30px; height: 30px; border-radius: 8px; display: grid; place-items: center; background: linear-gradient(135deg, rgba(34,211,238,.16), rgba(139,92,246,.16)); border: 1px solid var(--border-strong); }
.brand .logo svg { width: 16px; height: 16px; }
.brand .logo-img { height: 26px; width: auto; object-fit: contain; }
.brand .badge { font-size: 10px; font-weight: 600; letter-spacing: 0.08em; color: var(--accent); border: 1px solid rgba(34,211,238,.35); padding: 2px 7px; border-radius: 20px; text-transform: uppercase; }
.topnav { display: flex; gap: 4px; margin-left: 8px; flex-wrap: wrap; }
.topnav a { color: var(--text-2); font-size: 13.5px; padding: 7px 12px; border-radius: 8px; font-weight: 500; }
.topnav a:hover { color: var(--text); background: rgba(148,163,184,.08); }
.topnav a.active { color: var(--text); background: rgba(34,211,238,.1); }
.topbar .spacer { flex: 1; }
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 26px; }
.layout { display: grid; grid-template-columns: 232px 1fr; gap: 24px; max-width: 1320px; margin: 0 auto; padding: 24px 26px 60px; }
.sidebar { position: sticky; top: 86px; align-self: start; }
.side-nav { display: flex; flex-direction: column; gap: 3px; }
.side-nav .sec { font-size: 10.5px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-3); padding: 14px 12px 6px; }
.side-nav a { display: flex; align-items: center; gap: 10px; padding: 9px 12px; border-radius: 9px; color: var(--text-2); font-size: 13.5px; font-weight: 500; }
.side-nav a:hover { background: rgba(148,163,184,.08); color: var(--text); }
.side-nav a.active { background: linear-gradient(90deg, rgba(34,211,238,.14), rgba(139,92,246,.1)); color: var(--text); border: 1px solid rgba(34,211,238,.2); }
.side-nav a .ic { width: 17px; height: 17px; opacity: .9; }
.content { min-width: 0; }
.page-head { display: flex; align-items: center; gap: 16px; margin-bottom: 20px; flex-wrap: wrap; }
.page-head h1 { font-size: 21px; font-weight: 700; letter-spacing: -0.01em; }
.page-head .sub { color: var(--text-2); font-size: 13px; margin-top: 3px; }
.page-head .spacer { flex: 1; }

/* ---------- cards & grids ---------- */
.grid { display: grid; gap: 16px; }
.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow);
}
.card.pad-lg { padding: 24px; }
.card h3 { font-size: 14.5px; font-weight: 650; margin-bottom: 12px; display: flex; align-items: center; gap: 8px; }
.stat { position: relative; overflow: hidden; }
.stat::after { content: ""; position: absolute; inset: auto -20% -55% 40%; height: 90px; background: radial-gradient(closest-side, rgba(34,211,238,.16), transparent); pointer-events: none; }
.stat .label { color: var(--text-2); font-size: 12px; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; }
.stat .value { font-family: var(--mono); font-size: 25px; font-weight: 700; margin-top: 8px; letter-spacing: -0.02em; }
.stat .delta { font-size: 11.5px; margin-top: 6px; color: var(--text-3); }
.stat .delta .up { color: var(--green); }
.stat .delta .down { color: var(--red); }
.stat .mini { font-size: 12px; color: var(--text-3); margin-top: 4px; }

/* ---------- badges & buttons ---------- */
.badge { display: inline-flex; align-items: center; gap: 6px; font-size: 11.5px; font-weight: 600; padding: 3px 9px; border-radius: 20px; letter-spacing: 0.02em; }
.badge.green { background: rgba(52, 211, 153, 0.12); color: var(--green); border: 1px solid rgba(52,211,153,.3); }
.badge.amber { background: rgba(251, 191, 36, 0.1); color: var(--amber); border: 1px solid rgba(251,191,36,.3); }
.badge.red { background: rgba(248, 113, 113, 0.1); color: var(--red); border: 1px solid rgba(248,113,113,.3); }
.badge.blue { background: rgba(34, 211, 238, 0.1); color: var(--accent); border: 1px solid rgba(34,211,238,.3); }
.badge.gray { background: rgba(148, 163, 184, 0.1); color: var(--text-2); border: 1px solid rgba(148,163,184,.25); }
.badge.violet { background: rgba(139, 92, 246, 0.12); color: #c4b5fd; border: 1px solid rgba(139,92,246,.35); }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border: 1px solid var(--border-strong); background: rgba(148,163,184,.07);
  color: var(--text); font-size: 13.5px; font-weight: 600;
  padding: 9px 16px; border-radius: 10px; transition: all .15s ease;
  max-width: 100%;
}
.btn:hover { background: rgba(148,163,184,.14); border-color: rgba(148,163,184,.4); }
.btn.primary { background: linear-gradient(135deg, #0ea5b7, #7c5cf6); border: none; color: #fff; box-shadow: var(--glow); }
.btn.primary:hover { filter: brightness(1.12); }
.btn.ghost { background: transparent; }
.btn.danger { border-color: rgba(248,113,113,.35); color: var(--red); background: rgba(248,113,113,.07); }
.btn.sm { padding: 6px 11px; font-size: 12.5px; border-radius: 8px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.icon-btn { display: inline-grid; place-items: center; width: 30px; height: 30px; border-radius: 8px; border: 1px solid var(--border); background: transparent; color: var(--text-2); }
.icon-btn:hover { color: var(--text); border-color: var(--border-strong); }

/* ---------- forms ---------- */
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.field label { font-size: 12px; font-weight: 600; color: var(--text-2); letter-spacing: 0.03em; }
.field input, .field select, .field textarea {
  background: rgba(4, 8, 16, 0.7); border: 1px solid var(--border-strong);
  border-radius: 9px; padding: 10px 12px; font-size: 13.5px; outline: none; transition: border .15s;
  color: var(--text);
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(34,211,238,.12); }
.field .hint { font-size: 11.5px; color: var(--text-3); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-row-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.file-drop {
  border: 1.5px dashed var(--border-strong); border-radius: 10px; padding: 22px; text-align: center;
  color: var(--text-3); font-size: 13px; cursor: pointer; transition: all .15s; background: rgba(4,8,16,.4);
}
.file-drop:hover { border-color: var(--accent); color: var(--text-2); }
.file-drop.has-file { border-color: var(--green); color: var(--green); }

/* ---------- tables ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); background: var(--panel); }
table { width: 100%; border-collapse: collapse; font-size: 13px; min-width: 640px; }
th { text-align: left; font-size: 11px; text-transform: uppercase; letter-spacing: 0.07em; color: var(--text-3); padding: 11px 14px; border-bottom: 1px solid var(--border); background: rgba(148,163,184,.04); white-space: nowrap; }
td { padding: 12px 14px; border-bottom: 1px solid rgba(148,163,184,.07); color: var(--text); vertical-align: middle; }
tr:last-child td { border-bottom: none; }
tbody tr:hover { background: rgba(148,163,184,.045); }
td .mono { font-size: 12.5px; }
.row-actions { display: flex; gap: 6px; }
.row-actions, .modal-foot, .cta-row { flex-wrap: wrap; }
/* 表头列较多时表格会横向滚动，操作列吸附在右侧，避免编辑/启停按钮被滚出视野。 */
.col-actions { position: sticky; right: 0; background: var(--panel); box-shadow: -1px 0 0 var(--border); }

/* ---------- modal & toast ---------- */
.modal-backdrop { position: fixed; inset: 0; background: rgba(2, 5, 10, 0.7); backdrop-filter: blur(6px); z-index: 90; display: grid; place-items: center; padding: 20px; animation: fadeIn .15s ease; }
.modal { width: 100%; max-width: 560px; max-height: 88vh; overflow: auto; background: var(--bg-2); border: 1px solid var(--border-strong); border-radius: 16px; padding: 24px; box-shadow: var(--shadow); animation: popIn .18s ease; }
.modal.wide { max-width: 760px; }
.modal h2 { font-size: 17px; margin-bottom: 14px; }
.modal .close { position: absolute; top: 14px; right: 14px; }
.modal-foot { display: flex; justify-content: flex-end; gap: 10px; margin-top: 18px; }
#toast-root { position: fixed; top: 18px; right: 18px; z-index: 120; display: flex; flex-direction: column; gap: 8px; }
.toast { background: var(--panel-2); border: 1px solid var(--border-strong); border-left: 3px solid var(--accent); border-radius: 10px; padding: 11px 16px; font-size: 13px; min-width: 240px; max-width: 380px; box-shadow: var(--shadow); animation: slideIn .18s ease; }
.toast.ok { border-left-color: var(--green); }
.toast.err { border-left-color: var(--red); }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes popIn { from { opacity: 0; transform: scale(.97) translateY(6px); } to { opacity: 1; transform: none; } }
@keyframes slideIn { from { opacity: 0; transform: translateX(16px); } to { opacity: 1; transform: none; } }

/* ---------- landing ---------- */
.hero { padding: 84px 0 40px; text-align: center; position: relative; }
.hero .kicker { display: inline-flex; gap: 8px; align-items: center; font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--accent); border: 1px solid rgba(34,211,238,.3); padding: 6px 14px; border-radius: 30px; background: rgba(34,211,238,.06); }
.hero h1 { font-size: clamp(34px, 5.4vw, 58px); font-weight: 800; letter-spacing: -0.03em; line-height: 1.06; margin: 22px auto 16px; max-width: 820px; background: linear-gradient(120deg, #fff 30%, #9fd8ff 55%, #c9b8ff 80%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p { color: var(--text-2); font-size: 16.5px; max-width: 640px; margin: 0 auto 30px; line-height: 1.6; }
.hero .cta-row { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.hero .trust { display: flex; gap: 26px; justify-content: center; margin-top: 40px; color: var(--text-3); font-size: 12px; flex-wrap: wrap; }
.hero .trust b { color: var(--text-2); font-weight: 600; }
.section { padding: 46px 0; }
.section h2 { font-size: 26px; font-weight: 750; letter-spacing: -0.02em; margin-bottom: 8px; }
.section .lead { color: var(--text-2); margin-bottom: 26px; }
.feature { display: flex; gap: 14px; padding: 16px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--panel); }
.feature .fic { width: 38px; height: 38px; border-radius: 10px; display: grid; place-items: center; flex: none; background: linear-gradient(135deg, rgba(34,211,238,.14), rgba(139,92,246,.14)); border: 1px solid var(--border-strong); }
.feature h4 { font-size: 14.5px; margin-bottom: 5px; }
.feature p { font-size: 13px; color: var(--text-2); line-height: 1.55; }
.plan-card { display: flex; flex-direction: column; gap: 12px; padding: 22px; border-radius: 16px; border: 1px solid var(--border); background: var(--panel); position: relative; transition: all .18s ease; }
.plan-card:hover { transform: translateY(-3px); border-color: var(--border-strong); }
.plan-card.featured { border-color: rgba(34,211,238,.45); box-shadow: var(--glow); }
.plan-card .tag { position: absolute; top: -10px; right: 16px; background: linear-gradient(135deg, #0ea5b7, #7c5cf6); color: #fff; font-size: 10.5px; font-weight: 700; letter-spacing: .06em; padding: 4px 10px; border-radius: 20px; }
.plan-card .pname { font-size: 16px; font-weight: 700; }
.plan-card .pdesc { color: var(--text-2); font-size: 13px; min-height: 34px; }
.plan-card .plan-benefits { display: grid; gap: 5px; margin-top: -2px; }
.plan-card .pb-item { display: flex; gap: 8px; align-items: flex-start; font-size: 12.5px; color: var(--text-2); line-height: 1.45; }
.plan-card .pb-check { color: var(--green); flex-shrink: 0; margin-top: 1px; display: inline-flex; }
.plan-card .pprice { font-family: var(--mono); font-size: 30px; font-weight: 800; letter-spacing: -0.02em; }
.plan-card .pprice span { font-size: 13px; color: var(--text-3); font-weight: 500; }
.plan-card .pmeta { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; font-size: 12.5px; color: var(--text-2); }
.plan-card .pmeta b { color: var(--text); font-family: var(--mono); font-weight: 600; }
.region-label { grid-column: 1 / -1; font-size: 13px; font-weight: 700; color: var(--text-2); padding: 12px 2px 4px; letter-spacing: .02em; }
.compliance-note { border: 1px solid rgba(34,211,238,.22); background: rgba(34,211,238,.05); border-radius: var(--radius); padding: 16px 18px; font-size: 12.5px; color: var(--text-2); display: flex; gap: 12px; align-items: flex-start; }
.footer { border-top: 1px solid var(--border); padding: 30px 0 44px; color: var(--text-3); font-size: 12.5px; margin-top: 30px; }
.footer .grid { display: flex; gap: 40px; justify-content: space-between; flex-wrap: wrap; }
.footer b { color: var(--text-2); display: block; margin-bottom: 8px; }
.auth-card { max-width: 430px; margin: 60px auto; }
.auth-card h1 { font-size: 22px; margin-bottom: 4px; }
.auth-card .sub { color: var(--text-2); font-size: 13.5px; margin-bottom: 22px; }

/* ---------- misc ---------- */
.code-block { background: rgba(2,5,10,.9); border: 1px solid var(--border); border-radius: 10px; padding: 13px 15px; font-family: var(--mono); font-size: 12.5px; line-height: 1.65; overflow-x: auto; color: #a5f3fc; white-space: pre-wrap; word-break: break-all; }
.hero-metric { display: flex; gap: 26px; justify-content: center; flex-wrap: wrap; margin: 34px 0 6px; }
.hero-metric .hm { text-align: center; }
.hero-metric .hm .v { font-family: var(--mono); font-size: 22px; font-weight: 700; color: var(--accent); }
.hero-metric .hm .l { font-size: 11.5px; color: var(--text-3); text-transform: uppercase; letter-spacing: .08em; margin-top: 4px; }
.divider { height: 1px; background: var(--border); margin: 26px 0; }
.empty { text-align: center; color: var(--text-3); padding: 44px 16px; font-size: 13.5px; }
.empty .big { font-size: 30px; margin-bottom: 10px; }
.kv { display: grid; grid-template-columns: 150px 1fr; gap: 8px 14px; font-size: 13px; }
.kv dt { color: var(--text-3); }
.kv dd { color: var(--text); }
.pill-row { display: flex; gap: 8px; flex-wrap: wrap; }
.tabs { display: flex; gap: 6px; border-bottom: 1px solid var(--border); margin-bottom: 18px; }
.tabs button { background: none; border: none; color: var(--text-3); font-size: 13px; font-weight: 600; padding: 9px 14px; border-bottom: 2px solid transparent; }
.tabs button.active { color: var(--accent); border-bottom-color: var(--accent); }
.progress { height: 7px; border-radius: 10px; background: rgba(148,163,184,.14); overflow: hidden; min-width: 90px; }
.progress > div { height: 100%; border-radius: 10px; background: linear-gradient(90deg, var(--accent), var(--accent-2)); }
.avatar { width: 30px; height: 30px; border-radius: 50%; background: linear-gradient(135deg, #0ea5b7, #7c5cf6); display: grid; place-items: center; font-size: 12px; font-weight: 700; color: #fff; }
.stepper { display: flex; gap: 8px; align-items: center; margin-bottom: 22px; font-size: 12px; color: var(--text-3); flex-wrap: wrap; }
.stepper .step { display: flex; align-items: center; gap: 7px; }
.stepper .dot { width: 20px; height: 20px; border-radius: 50%; border: 1px solid var(--border-strong); display: grid; place-items: center; font-size: 10.5px; }
.stepper .step.done .dot { background: rgba(52,211,153,.15); border-color: var(--green); color: var(--green); }
.stepper .step.active .dot { background: rgba(34,211,238,.15); border-color: var(--accent); color: var(--accent); }
.stepper .line { width: 26px; height: 1px; background: var(--border-strong); }

/* responsive */
@media (max-width: 980px) {
  .layout { grid-template-columns: 1fr; padding: 16px 14px 50px; }
  .sidebar { position: static; }
  .side-nav { flex-direction: row; overflow-x: auto; padding-bottom: 6px; }
  .side-nav .sec { display: none; }
  .grid.cols-3, .grid.cols-4 { grid-template-columns: repeat(2, 1fr); }
  .topnav { display: none; }
  .hero { padding: 52px 0 24px; }
  .topbar { padding: 12px 18px; gap: 12px; }
  .brand { font-size: 15px; }
}
@media (max-width: 600px) {
  .grid.cols-2, .grid.cols-3, .grid.cols-4 { grid-template-columns: 1fr; }
  .form-row, .form-row-3 { grid-template-columns: 1fr; }
  .wrap { padding: 0 16px; }
  .topbar { flex-wrap: wrap; padding: 11px 14px; gap: 10px; }
  .brand .badge { display: none; }
  .layout { padding: 16px 16px 48px; gap: 16px; }
  .page-head { gap: 10px; margin-bottom: 16px; }
  .page-head h1 { font-size: 18px; }
  .card { padding: 16px; }
  .card.pad-lg { padding: 18px; }
  .stat .value { font-size: 20px; }
  .btn { padding: 10px 14px; font-size: 13px; min-height: 44px; }
  .btn.sm { padding: 7px 11px; }
  .modal { max-height: 92vh; padding: 18px 16px; }
  .modal-foot .btn { flex: 1 1 auto; }
  #toast-root { left: 12px; right: 12px; top: 12px; }
  .toast { max-width: none; width: 100%; }
  .hero { padding: 40px 0 20px; }
  .hero p { font-size: 15px; padding: 0 12px; }
  .hero .cta-row .btn { flex: 1 1 auto; min-width: 0; }
  .hero-metric { gap: 16px; }
  .section { padding: 36px 16px; }
  .grid { gap: 14px; }
  .hero .cta-row, .hero .trust, .hero-metric { justify-content: center; text-align: center; }
  .kv { grid-template-columns: 1fr; gap: 2px 0; }
  .plan-card .pprice { font-size: 24px; }
  .feature { flex-direction: column; }
  .tabs { overflow-x: auto; }
  .tabs button { flex: none; }
}

/* ---------- language switcher & RTL ---------- */
.lang-select {
  appearance: none; -webkit-appearance: none;
  background: rgba(148,163,184,.08);
  border: 1px solid var(--border);
  color: var(--text-2);
  font-size: 12.5px; font-weight: 600;
  padding: 6px 26px 6px 10px;
  border-radius: 9px;
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%2394a3b8' stroke-width='1.6' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 9px center;
  max-width: 150px;
}
.lang-select:hover { color: var(--text); border-color: var(--border-strong); }
.lang-select option { background: #0b1220; color: var(--text); }

[dir="rtl"] .lang-select { padding: 6px 10px 6px 26px; background-position: left 9px center; }
[dir="rtl"] .side-nav a .ic { margin-left: 10px; }
[dir="rtl"] .topbar { direction: rtl; }