:root {
  --cool: #34D8FF; --warm: #FF7A2E; --bg: #020308; --panel: #060c16; --panel-2: #0a1320;
  --text-strong: #F2FAFF; --text: #D6E6F2; --text-2: #A8BBCB; --muted: #7D93A6;
  --ok: #4FF2A8; --danger: #FF5C6C; --amber: #FFC14D; --on-cool: #021018; --on-warm: #1C0B02;
  --border: rgba(160, 190, 210, 0.14); --border-cool: rgba(52, 216, 255, 0.3);
  --brand: "Michroma", sans-serif; --display: "Saira", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace; --body: "Inter", system-ui, sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--bg); color: var(--text); font-family: var(--body); font-size: 15px; line-height: 1.5; min-height: 100vh; }
a { color: var(--cool); text-decoration: none; }
a:hover { text-decoration: underline; }
button, input, select, textarea { font: inherit; color: inherit; }
h1, h2, h3 { font-family: var(--display); color: var(--text-strong); font-weight: 600; margin: 0 0 12px; letter-spacing: 0.02em; }
h1 { font-size: clamp(30px, 5vw, 52px); line-height: 1.1; }
h2 { font-size: 22px; }
h3 { font-size: 16px; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.mono { font-family: var(--mono); }
[hidden] { display: none !important; }

header.top { position: sticky; top: 0; z-index: 5; display: flex; align-items: center; gap: 18px; padding: 14px clamp(16px, 4vw, 40px); border-bottom: 1px solid var(--border); background: rgba(2, 3, 8, 0.88); backdrop-filter: blur(10px); }
.brand { font-family: var(--brand); letter-spacing: 0.24em; color: var(--text-strong); font-size: 18px; }
.brand small { font-family: var(--mono); font-size: 10px; letter-spacing: 0.3em; color: var(--muted); margin-left: 10px; }
header.top nav { margin-left: auto; display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.wrap { max-width: 1180px; margin: 0 auto; padding: 32px clamp(16px, 4vw, 40px) 64px; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 40px; padding: 0 18px; border-radius: 20px; border: 1px solid var(--border); background: rgba(160, 190, 210, 0.07); color: var(--text); cursor: pointer; font-family: var(--display); font-weight: 500; letter-spacing: 0.08em; font-size: 13px; white-space: nowrap; }
.btn:hover { background: rgba(160, 190, 210, 0.14); text-decoration: none; }
.btn.primary { background: var(--cool); color: var(--on-cool); border-color: transparent; font-weight: 600; box-shadow: 0 0 18px rgba(52, 216, 255, 0.3); }
.btn.primary:hover { background: #5DE0FF; }
.btn.warm { background: var(--warm); color: var(--on-warm); border-color: transparent; font-weight: 600; }
.btn.danger { color: var(--danger); border-color: rgba(255, 92, 108, 0.4); }
.btn.sm { height: 30px; padding: 0 12px; font-size: 12px; }
.btn:disabled { opacity: 0.5; cursor: default; }

.card { background: var(--panel); border: 1px solid var(--border); border-radius: 14px; padding: 20px; }
.grid { display: grid; gap: 16px; }
.grid.cols-2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid.cols-3 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.grid.cols-4 { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.spacer { flex: 1; }

label { display: block; font-size: 12px; color: var(--text-2); margin: 12px 0 5px; letter-spacing: 0.04em; }
input, select, textarea { width: 100%; background: #03070d; border: 1px solid var(--border); border-radius: 9px; padding: 10px 12px; color: var(--text-strong); outline: none; }
input:focus, select:focus, textarea:focus { border-color: var(--cool); }
input[type=checkbox] { width: auto; accent-color: var(--cool); }
.check { display: flex; align-items: center; gap: 8px; margin: 8px 0; font-size: 14px; color: var(--text); }
textarea { min-height: 90px; resize: vertical; }

.hero { padding: 56px 0 30px; text-align: center; }
.hero p { color: var(--text-2); font-size: 18px; max-width: 640px; margin: 0 auto 24px; }
.eyebrow { font-family: var(--mono); font-size: 11px; letter-spacing: 0.3em; color: var(--cool); text-transform: uppercase; margin-bottom: 14px; }
.plan { display: flex; flex-direction: column; gap: 10px; }
.plan.best { border-color: var(--border-cool); box-shadow: 0 0 30px rgba(52, 216, 255, 0.1); }
.price { font-family: var(--display); font-size: 40px; font-weight: 600; color: var(--text-strong); }
.price span { font-size: 14px; color: var(--muted); font-weight: 400; }
.plan ul { list-style: none; padding: 0; margin: 4px 0 12px; flex: 1; }
.plan li { padding: 4px 0 4px 22px; position: relative; color: var(--text); }
.plan li::before { content: ""; position: absolute; left: 3px; top: 12px; width: 7px; height: 7px; border-radius: 50%; background: var(--cool); box-shadow: 0 0 6px var(--cool); }
.feature-grid .card h3 { color: var(--cool); }

.notice { border: 1px solid var(--border-cool); background: rgba(52, 216, 255, 0.06); border-radius: 12px; padding: 12px 16px; margin-bottom: 18px; }
.notice.warn { border-color: rgba(255, 193, 77, 0.4); background: rgba(255, 193, 77, 0.06); }
.notice.err { border-color: rgba(255, 92, 108, 0.45); background: rgba(255, 92, 108, 0.07); }
.msg { min-height: 20px; font-size: 13px; margin-top: 10px; }
.msg.err { color: var(--danger); }
.msg.ok { color: var(--ok); }

.pill { display: inline-block; font-family: var(--mono); font-size: 11px; letter-spacing: 0.06em; padding: 2px 9px; border-radius: 10px; border: 1px solid var(--border); color: var(--text-2); white-space: nowrap; }
.pill.ok { color: var(--ok); border-color: rgba(79, 242, 168, 0.4); }
.pill.bad { color: var(--danger); border-color: rgba(255, 92, 108, 0.4); }
.pill.warn { color: var(--amber); border-color: rgba(255, 193, 77, 0.4); }
.pill.cool { color: var(--cool); border-color: var(--border-cool); }

.key { font-family: var(--mono); font-size: clamp(15px, 2.6vw, 20px); letter-spacing: 0.08em; color: var(--text-strong); background: #03070d; border: 1px dashed var(--border-cool); border-radius: 10px; padding: 12px 14px; word-break: break-all; }

.auth { max-width: 420px; margin: 40px auto; }
.tabs { display: flex; gap: 6px; margin-bottom: 14px; flex-wrap: wrap; }
.tabs button { background: none; border: 1px solid transparent; border-radius: 18px; padding: 6px 14px; color: var(--text-2); cursor: pointer; font-family: var(--display); letter-spacing: 0.08em; font-size: 13px; }
.tabs button.on { border-color: var(--border-cool); color: var(--cool); background: rgba(52, 216, 255, 0.06); }

.stat .n { font-family: var(--display); font-size: 30px; font-weight: 600; color: var(--text-strong); }
.stat .l { font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em; color: var(--muted); text-transform: uppercase; }

.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: 12px; }
table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); vertical-align: middle; }
th { font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; color: var(--muted); text-transform: uppercase; font-weight: 500; background: var(--panel-2); white-space: nowrap; }
tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: rgba(160, 190, 210, 0.03); }
td .row { flex-wrap: nowrap; gap: 6px; }

.admin { display: grid; grid-template-columns: 220px minmax(0, 1fr); min-height: calc(100vh - 61px); }
.side { border-right: 1px solid var(--border); padding: 18px 12px; display: flex; flex-direction: column; gap: 2px; }
.side button { text-align: left; background: none; border: 0; padding: 9px 14px; border-radius: 9px; color: var(--text-2); cursor: pointer; font-size: 14px; display: flex; justify-content: space-between; }
.side button:hover { background: rgba(160, 190, 210, 0.06); color: var(--text-strong); }
.side button.on { background: rgba(52, 216, 255, 0.08); color: var(--cool); }
.side .badge { background: var(--warm); color: var(--on-warm); border-radius: 9px; font-size: 11px; padding: 0 7px; font-weight: 600; }
.panel { padding: 24px clamp(16px, 3vw, 32px) 60px; min-width: 0; }
.bars { display: flex; flex-direction: column; gap: 8px; }
.bar { display: grid; grid-template-columns: 120px 1fr 60px; gap: 10px; align-items: center; font-size: 13px; }
.bar .track { height: 10px; background: rgba(160, 190, 210, 0.08); border-radius: 5px; overflow: hidden; }
.bar .fill { height: 100%; background: var(--cool); border-radius: 5px; }

dialog { background: var(--panel); color: var(--text); border: 1px solid var(--border-cool); border-radius: 14px; padding: 22px; width: min(560px, calc(100vw - 32px)); max-height: 86vh; }
dialog::backdrop { background: rgba(0, 0, 0, 0.65); }

footer.foot { border-top: 1px solid var(--border); padding: 22px clamp(16px, 4vw, 40px); color: var(--muted); font-size: 13px; display: flex; gap: 16px; flex-wrap: wrap; }

@media (max-width: 760px) {
  .admin { grid-template-columns: 1fr; }
  .side { flex-direction: row; overflow-x: auto; border-right: 0; border-bottom: 1px solid var(--border); padding: 8px; }
  .side button { white-space: nowrap; }
  .bar { grid-template-columns: 80px 1fr 44px; }
}
.brand { display: inline-flex; align-items: center; }
.brand-mark { width: 28px; height: 28px; margin-right: 12px; flex: none; }