/* PostPilot — Ultra Pro dark design system */
:root{
  --bg:#070b14; --bg2:#0b1120; --card:#0e1628; --card2:#111c33;
  --border:rgba(148,163,184,.14); --border2:rgba(148,163,184,.22);
  --text:#e8eefc; --muted:#8b98b8; --muted2:#5d6b8c;
  --blue:#2f7bff; --cyan:#22d3ee; --violet:#8b5cf6;
  --green:#22c55e; --amber:#f59e0b; --red:#ef4444;
  --grad:linear-gradient(135deg,#2f7bff 0%,#8b5cf6 55%,#22d3ee 100%);
  --radius:16px; --radius-s:10px;
  --shadow:0 20px 60px rgba(0,0,0,.45);
  --font:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:var(--font);font-size:15.5px;line-height:1.65;-webkit-font-smoothing:antialiased}
body::before{content:'';position:fixed;inset:0;z-index:-1;
  background:
    radial-gradient(700px 420px at 12% -4%,rgba(47,123,255,.16),transparent 60%),
    radial-gradient(700px 420px at 88% 6%,rgba(139,92,246,.14),transparent 60%),
    radial-gradient(600px 500px at 50% 110%,rgba(34,211,238,.07),transparent 60%);}
a{color:var(--cyan);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:1180px;margin:0 auto;padding:0 22px}
::selection{background:rgba(47,123,255,.4)}

/* ---------- nav ---------- */
.nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);background:rgba(7,11,20,.72);border-bottom:1px solid var(--border)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:66px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;color:var(--text);letter-spacing:-.3px}
.logo:hover{text-decoration:none}
.logo-mark{width:34px;height:34px;border-radius:10px;background:var(--grad);display:grid;place-items:center;font-size:18px;box-shadow:0 6px 20px rgba(47,123,255,.45)}
.nav-links{display:flex;gap:26px;align-items:center}
.nav-links a{color:var(--muted);font-weight:500;font-size:14.5px}
.nav-links a:hover{color:var(--text);text-decoration:none}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 22px;border-radius:12px;
  font-weight:600;font-size:14.5px;border:1px solid transparent;cursor:pointer;transition:.18s;white-space:nowrap}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 26px rgba(47,123,255,.35)}
.btn-ghost{background:rgba(148,163,184,.08);color:var(--text);border-color:var(--border)}
.btn-ghost:hover{border-color:var(--border2);background:rgba(148,163,184,.14)}
.btn-sm{padding:8px 15px;font-size:13.5px;border-radius:10px}
.btn-danger{background:rgba(239,68,68,.12);color:#fca5a5;border-color:rgba(239,68,68,.3)}
.btn-block{width:100%}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}

/* ---------- hero / landing ---------- */
.hero{padding:96px 0 70px;text-align:center}
.badge{display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:999px;font-size:13px;font-weight:600;
  background:rgba(47,123,255,.1);border:1px solid rgba(47,123,255,.3);color:#9dc0ff;margin-bottom:26px}
.hero h1{font-size:clamp(38px,6vw,66px);line-height:1.08;letter-spacing:-1.5px;font-weight:800;margin-bottom:20px}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.sub{color:var(--muted);font-size:18px;max-width:640px;margin:0 auto 34px}
.hero-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.stats{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:64px}
.stat{background:rgba(14,22,40,.7);border:1px solid var(--border);border-radius:var(--radius);padding:20px 34px;min-width:150px}
.stat b{display:block;font-size:26px;letter-spacing:-.5px}
.stat span{color:var(--muted);font-size:13px}

/* features */
.section{padding:70px 0}
.section h2{font-size:clamp(26px,4vw,38px);letter-spacing:-.8px;text-align:center;margin-bottom:12px;font-weight:800}
.section p.lead{color:var(--muted);text-align:center;max-width:620px;margin:0 auto 44px}
.grid3{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px}
.card{background:linear-gradient(180deg,var(--card),var(--bg2));border:1px solid var(--border);border-radius:var(--radius);
  padding:28px;transition:.2s}
.card:hover{border-color:var(--border2);transform:translateY(-3px);box-shadow:var(--shadow)}
.card .icon{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;font-size:22px;margin-bottom:16px;
  background:rgba(47,123,255,.12);border:1px solid rgba(47,123,255,.25)}
.card h3{font-size:17px;margin-bottom:8px}
.card p{color:var(--muted);font-size:14px}
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;counter-reset:step}
.step{background:rgba(14,22,40,.7);border:1px solid var(--border);border-radius:var(--radius);padding:26px;position:relative}
.step::before{counter-increment:step;content:counter(step);position:absolute;top:-16px;left:22px;width:34px;height:34px;border-radius:50%;
  background:var(--grad);display:grid;place-items:center;font-weight:800;font-size:15px;box-shadow:0 6px 18px rgba(47,123,255,.4)}
.step h3{margin:6px 0 8px;font-size:16px}
.step p{color:var(--muted);font-size:14px}
.plat-row{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:8px}
.plat{padding:10px 20px;border-radius:999px;background:rgba(148,163,184,.08);border:1px solid var(--border);font-weight:600;font-size:14px}
.faq{max-width:720px;margin:0 auto}
.faq details{background:rgba(14,22,40,.7);border:1px solid var(--border);border-radius:12px;padding:18px 22px;margin-bottom:12px}
.faq summary{cursor:pointer;font-weight:600}
.faq p{color:var(--muted);font-size:14px;margin-top:10px}
footer{border-top:1px solid var(--border);padding:34px 0;color:var(--muted2);font-size:13.5px;text-align:center;margin-top:40px}

/* ---------- app shell ---------- */
.app{display:flex;min-height:100vh}
.sidebar{width:248px;flex-shrink:0;background:rgba(9,14,26,.9);border-right:1px solid var(--border);padding:22px 16px;
  position:sticky;top:0;height:100vh;display:flex;flex-direction:column;gap:4px}
.side-logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;padding:4px 10px 20px;color:var(--text)}
.side-link{display:flex;align-items:center;gap:12px;padding:11px 14px;border-radius:11px;color:var(--muted);font-weight:500;font-size:14.5px}
.side-link:hover{background:rgba(148,163,184,.07);color:var(--text);text-decoration:none}
.side-link.active{background:rgba(47,123,255,.13);color:#bcd4ff;border:1px solid rgba(47,123,255,.25)}
.side-link .em{font-size:17px;width:22px;text-align:center}
.side-foot{margin-top:auto;padding:10px;font-size:12.5px;color:var(--muted2)}
.main{flex:1;min-width:0;padding:30px 34px;max-width:1060px}
.page-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:24px;flex-wrap:wrap}
.page-head h1{font-size:26px;letter-spacing:-.5px;font-weight:800}
.page-head p{color:var(--muted);font-size:14px}

/* panels & forms */
.panel{background:linear-gradient(180deg,var(--card),var(--bg2));border:1px solid var(--border);border-radius:var(--radius);padding:26px;margin-bottom:20px}
.panel h2{font-size:17px;margin-bottom:6px}
.panel .desc{color:var(--muted);font-size:13.5px;margin-bottom:18px}
.field{margin-bottom:16px}
.field label{display:block;font-weight:600;font-size:13.5px;margin-bottom:7px;color:#c4cfe8}
.field .hint{font-size:12.5px;color:var(--muted2);margin-top:6px}
.input,select.input,textarea.input{width:100%;background:#0a1224;border:1px solid var(--border);border-radius:var(--radius-s);
  color:var(--text);padding:11px 14px;font-size:14.5px;font-family:var(--font);transition:.15s}
.input:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(47,123,255,.18)}
textarea.input{min-height:130px;resize:vertical}
select.input option{background:#0a1224}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:720px){.row2{grid-template-columns:1fr}.sidebar{display:none}.main{padding:20px 16px}}

/* channel cards */
.chan{display:flex;align-items:center;gap:16px;background:rgba(10,18,36,.6);border:1px solid var(--border);
  border-radius:14px;padding:18px 20px;margin-bottom:12px}
.chan .pic{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;font-size:22px;flex-shrink:0}
.chan.telegram .pic{background:rgba(34,211,238,.12);border:1px solid rgba(34,211,238,.3)}
.chan.facebook .pic{background:rgba(47,123,255,.12);border:1px solid rgba(47,123,255,.3)}
.chan.youtube .pic{background:rgba(239,68,68,.1);border:1px solid rgba(239,68,68,.3)}
.chan .meta{flex:1;min-width:0}
.chan .meta b{display:block;font-size:15px}
.chan .meta span{color:var(--muted);font-size:13px}
.pill{font-size:12px;font-weight:700;padding:4px 12px;border-radius:999px;letter-spacing:.3px}
.pill.ok{background:rgba(34,197,94,.13);color:#86efac;border:1px solid rgba(34,197,94,.3)}
.pill.bad{background:rgba(239,68,68,.13);color:#fca5a5;border:1px solid rgba(239,68,68,.3)}
.pill.warn{background:rgba(245,158,11,.13);color:#fcd34d;border:1px solid rgba(245,158,11,.3)}
.pill.info{background:rgba(47,123,255,.13);color:#9dc0ff;border:1px solid rgba(47,123,255,.3)}

/* tables */
.tbl{width:100%;border-collapse:collapse;font-size:14px}
.tbl th{text-align:left;color:var(--muted2);font-weight:600;font-size:12.5px;text-transform:uppercase;letter-spacing:.6px;
  padding:10px 12px;border-bottom:1px solid var(--border)}
.tbl td{padding:13px 12px;border-bottom:1px solid rgba(148,163,184,.07);vertical-align:middle}
.tbl tr:last-child td{border-bottom:none}
.tbl .cut{max-width:280px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--muted)}

/* flash */
.flash{padding:13px 18px;border-radius:12px;margin-bottom:16px;font-size:14px;font-weight:500}
.flash-ok{background:rgba(34,197,94,.1);border:1px solid rgba(34,197,94,.35);color:#a7f3c9}
.flash-err{background:rgba(239,68,68,.1);border:1px solid rgba(239,68,68,.35);color:#fecaca}
.flash-info{background:rgba(47,123,255,.1);border:1px solid rgba(47,123,255,.35);color:#bcd4ff}

/* auth */
.auth-wrap{min-height:calc(100vh - 66px);display:grid;place-items:center;padding:40px 20px}
.auth-card{width:100%;max-width:420px;background:linear-gradient(180deg,var(--card),var(--bg2));
  border:1px solid var(--border);border-radius:20px;padding:38px 34px;box-shadow:var(--shadow)}
.auth-card h1{font-size:24px;letter-spacing:-.5px;margin-bottom:6px}
.auth-card .sub{color:var(--muted);font-size:14px;margin-bottom:24px}
.auth-alt{text-align:center;margin-top:18px;color:var(--muted);font-size:14px}

/* toggle chips for platforms */
.plat-pick{display:flex;gap:10px;flex-wrap:wrap}
.chip{cursor:pointer;user-select:none;padding:10px 18px;border-radius:12px;border:1px solid var(--border);
  background:rgba(10,18,36,.6);font-weight:600;font-size:14px;display:flex;gap:8px;align-items:center;transition:.15s}
.chip input{display:none}
.chip.on{border-color:var(--blue);background:rgba(47,123,255,.13);box-shadow:0 0 0 3px rgba(47,123,255,.12)}

/* howto */
.howto{background:rgba(47,123,255,.06);border:1px dashed rgba(47,123,255,.35);border-radius:12px;padding:16px 18px;font-size:13.5px;color:#b9c8e8;margin-bottom:18px}
.howto ol{margin:8px 0 0 18px}
.howto li{margin-bottom:6px}
code.inline{background:rgba(148,163,184,.12);padding:2px 8px;border-radius:6px;font-size:13px;color:#dbe4ff}
.empty{text-align:center;padding:50px 20px;color:var(--muted)}
.empty .big{font-size:44px;margin-bottom:12px}
.kbd{background:#0a1224;border:1px solid var(--border2);border-radius:6px;padding:1px 7px;font-size:12.5px}
.mobile-top{display:none}
@media(max-width:720px){
  .mobile-top{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--border);
    position:sticky;top:0;background:rgba(7,11,20,.9);z-index:40;backdrop-filter:blur(10px)}
  .mobile-top nav{display:flex;gap:4px;overflow-x:auto}
  .mobile-top a{padding:8px 10px;font-size:13px;color:var(--muted);white-space:nowrap}
  .mobile-top a.active{color:var(--text)}
}