:root {
  --bg: #070b18;
  --bg2: #0b1225;
  --surface: rgba(15, 23, 42, .78);
  --surface2: rgba(30, 41, 59, .62);
  --surface3: rgba(255, 255, 255, .055);
  --text: #f8fafc;
  --muted: #9fb3d5;
  --muted2: #64748b;
  --line: rgba(148, 163, 184, .18);
  --line2: rgba(148, 163, 184, .28);
  --primary: #4f7cff;
  --primary2: #7c3aed;
  --good: #22c55e;
  --bad: #ef4444;
  --warn: #f59e0b;
  --shadow: 0 28px 90px rgba(0, 0, 0, .36);
  --radius: 24px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { min-height: 100%; background: var(--bg); }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at 15% 5%, rgba(79, 124, 255, .22), transparent 30%),
    radial-gradient(circle at 95% 85%, rgba(34, 197, 94, .12), transparent 34%),
    linear-gradient(135deg, #070b18 0%, #0b1020 54%, #041616 100%);
}

a { color: inherit; text-decoration: none; }
button, input, select { font: inherit; }

.site-bg { min-height: 100vh; padding: 28px; }
.site-nav {
  max-width: 1180px;
  margin: 0 auto 46px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 26px;
  background: rgba(7, 11, 24, .58);
  backdrop-filter: blur(18px);
  box-shadow: 0 16px 50px rgba(0,0,0,.16);
}
.brand-mini, .brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}
.brand-mini strong, .brand strong { display: block; font-size: 15px; line-height: 1.15; }
.brand-mini small, .brand small { display: block; color: var(--muted); font-size: 12px; margin-top: 2px; }
.logo {
  flex: 0 0 auto;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  color: white;
  font-weight: 900;
  background: linear-gradient(135deg, var(--primary), var(--primary2));
  box-shadow: 0 12px 30px rgba(79,124,255,.32);
}
.site-links { display: flex; align-items: center; gap: 10px; color: var(--muted); }
.site-main { max-width: 1180px; margin: 0 auto; }

.landing-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) 390px;
  gap: 22px;
  align-items: stretch;
}
.hero-copy, .hero-card, .steps > div, .card, .stat, .auth-card {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(15, 23, 42, .78), rgba(15, 23, 42, .52));
  border-radius: 30px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}
.hero-copy { padding: clamp(28px, 6vw, 58px); position: relative; overflow: hidden; }
.hero-copy:after {
  content: "";
  position: absolute;
  width: 280px;
  height: 280px;
  border-radius: 999px;
  right: -110px;
  top: -120px;
  background: rgba(79, 124, 255, .18);
  filter: blur(10px);
}
.eyebrow, .badge, .pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: 999px;
  padding: 7px 12px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .02em;
  color: #cfe0ff;
  background: rgba(79, 124, 255, .11);
  border: 1px solid rgba(79, 124, 255, .22);
}
.hero-copy h1 {
  max-width: 820px;
  margin: 18px 0;
  font-size: clamp(42px, 7.4vw, 88px);
  line-height: .88;
  letter-spacing: -.075em;
}
.hero-copy p {
  max-width: 700px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.55;
  margin: 0;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 30px; }
.hero-card { padding: 34px; display: flex; flex-direction: column; justify-content: center; }
.hero-card span { color: var(--muted); font-weight: 700; }
.hero-card strong { display: block; margin: 10px 0 6px; font-size: 54px; letter-spacing: -.06em; }
.hero-card p { color: var(--muted); }
.hero-card ul { margin: 20px 0 0; padding: 0; list-style: none; display: grid; gap: 12px; }
.hero-card li { color: #dbeafe; padding: 12px 14px; border: 1px solid var(--line); border-radius: 16px; background: rgba(255,255,255,.045); }
.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin-top: 18px; }
.steps > div { padding: 24px; }
.steps b { color: #93c5fd; font-size: 13px; }
.steps h3 { margin: 12px 0 8px; letter-spacing: -.03em; }
.steps p { margin: 0; color: var(--muted); line-height: 1.5; }

.shell { display: grid; grid-template-columns: 250px 1fr; min-height: 100vh; }
.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 18px;
  border-right: 1px solid var(--line);
  background: rgba(7, 11, 24, .72);
  backdrop-filter: blur(22px);
  display: flex;
  flex-direction: column;
  gap: 22px;
}
.brand { padding: 8px 4px 14px; }
.side-nav { display: grid; gap: 8px; }
.nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 10px 12px;
  color: var(--muted);
  border-radius: 15px;
  border: 1px solid transparent;
  transition: .16s ease;
}
.nav-link:hover { color: var(--text); background: var(--surface3); border-color: var(--line); }
.nav-link.active {
  color: var(--text);
  background: linear-gradient(135deg, rgba(79,124,255,.22), rgba(124,58,237,.14));
  border-color: rgba(79,124,255,.36);
}
.nav-link.logout { margin-top: 8px; color: #fca5a5; }
.nav-icon {
  width: 25px;
  height: 25px;
  border-radius: 9px;
  display: grid;
  place-items: center;
  color: #dbeafe;
  background: rgba(148, 163, 184, .09);
  border: 1px solid rgba(148, 163, 184, .12);
  font-size: 12px;
}
.sidebar-user {
  margin-top: auto;
  padding: 14px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.04);
  min-width: 0;
}
.sidebar-user span { display: block; color: var(--muted2); font-size: 12px; margin-bottom: 4px; }
.sidebar-user strong { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.main { width: 100%; max-width: 1320px; padding: 36px; }
.topbar { display: flex; justify-content: space-between; align-items: end; gap: 18px; margin-bottom: 22px; }
.topbar h1 { margin: 0; font-size: clamp(30px, 4vw, 48px); letter-spacing: -.055em; }
.topbar p { margin: 8px 0 0; color: var(--muted); line-height: 1.5; }

.btn {
  appearance: none;
  border: 1px solid var(--line2);
  color: var(--text);
  background: rgba(255,255,255,.06);
  border-radius: 14px;
  padding: 11px 16px;
  font-weight: 850;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  line-height: 1;
  transition: .16s ease;
}
.btn:hover { transform: translateY(-1px); border-color: rgba(148,163,184,.42); background: rgba(255,255,255,.09); }
.btn.primary { border-color: transparent; background: linear-gradient(135deg, var(--primary), var(--primary2)); color: #fff; box-shadow: 0 16px 40px rgba(79,124,255,.24); }
.btn.ghost { background: rgba(255,255,255,.045); }
.btn.danger { color: #fecaca; background: rgba(239, 68, 68, .12); border-color: rgba(239, 68, 68, .35); }
.btn.big { padding: 15px 20px; border-radius: 16px; }
.btn.small { padding: 8px 10px; font-size: 12px; border-radius: 11px; }
.btn.full { width: 100%; }
.small-shadow { box-shadow: 0 10px 30px rgba(79,124,255,.18); }

.grid { display: grid; gap: 18px; margin-top: 18px; }
.grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.card, .stat, .auth-card { padding: 24px; }
.card.accent { background: linear-gradient(135deg, rgba(79,124,255,.18), rgba(34,197,94,.08)); }
.card h2, .card h3, .auth-card h2 { margin: 0 0 14px; letter-spacing: -.035em; }
.card p, .auth-sub { color: var(--muted); line-height: 1.55; }
.card-head { display: flex; justify-content: space-between; align-items: center; gap: 14px; margin-bottom: 14px; }
.pill.good { color: #bbf7d0; border-color: rgba(34,197,94,.35); background: rgba(34,197,94,.11); }
.pill.bad { color: #fecaca; border-color: rgba(239,68,68,.35); background: rgba(239,68,68,.10); }
.domain { display: block; font-size: clamp(24px, 3vw, 34px); letter-spacing: -.04em; margin: 12px 0; word-break: break-word; }

.auth-layout { min-height: 100vh; display: grid; place-items: center; padding: 28px; }
.auth-layout > .brand-mini { position: fixed; top: 24px; left: 24px; }
.auth-card { width: min(100%, 470px); }
.auth-wide { width: min(100%, 560px); }
.auth-card h2 { font-size: 34px; margin-top: 14px; }
.auth-switch { color: var(--muted); text-align: center; margin: 16px 0 0; }
.auth-switch a { color: #bfdbfe; font-weight: 800; }

form { margin: 0; }
label { display: grid; gap: 7px; margin-bottom: 14px; color: var(--muted); font-weight: 700; font-size: 13px; }
input, select {
  width: 100%;
  border: 1px solid var(--line);
  background: rgba(2, 6, 23, .46);
  color: var(--text);
  border-radius: 14px;
  padding: 12px 13px;
  outline: none;
}
input::placeholder { color: rgba(148, 163, 184, .62); }
input:focus, select:focus { border-color: rgba(79,124,255,.82); box-shadow: 0 0 0 4px rgba(79,124,255,.14); }
.inline-form, .coupon-form, .admin-actions, .search-form { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.inline-form input { max-width: 340px; }
.admin-actions input { width: 90px; min-width: 90px; }
.search-form input { min-width: 260px; }
.manual-card { display: grid; grid-template-columns: .9fr 1.6fr; gap: 20px; align-items: start; margin-bottom: 18px; }
.manual-form { display: grid; grid-template-columns: 1.3fr 1fr 110px auto auto; gap: 12px; align-items: end; }
.manual-form label { margin: 0; }
.checkline { display: flex; align-items: center; gap: 8px; align-self: center; margin: 0; white-space: nowrap; }
.checkline input { width: auto; }

.stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; margin-bottom: 18px; }
.stat span { color: var(--muted); font-weight: 700; }
.stat strong { display: block; font-size: 32px; letter-spacing: -.04em; margin-top: 8px; }
code { display: block; padding: 14px; border-radius: 14px; background: rgba(2,6,23,.62); color: #bfdbfe; overflow-x: auto; border: 1px solid var(--line); }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 14px 12px; border-bottom: 1px solid var(--line); vertical-align: middle; }
th { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }
tr:hover td { background: rgba(255,255,255,.025); }
small { color: var(--muted); }
.alert { padding: 13px 15px; border-radius: 16px; margin-bottom: 14px; border: 1px solid var(--line); background: rgba(255,255,255,.05); }
.alert.success { background: rgba(34,197,94,.12); border-color: rgba(34,197,94,.28); }
.alert.error { background: rgba(239,68,68,.12); border-color: rgba(239,68,68,.28); }
.center { text-align: center; }

@media (max-width: 1100px) {
  .landing-hero, .manual-card, .manual-form { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 900px) {
  .site-bg { padding: 14px; }
  .site-nav { margin-bottom: 18px; }
  .landing-hero, .steps, .grid.two, .grid.three { grid-template-columns: 1fr; }
  .hero-copy h1 { font-size: clamp(38px, 14vw, 62px); }
  .shell { grid-template-columns: 1fr; }
  .sidebar { position: static; height: auto; border-right: 0; border-bottom: 1px solid var(--line); }
  .side-nav { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .main { padding: 18px; }
  .topbar { align-items: start; }
  table { display: block; overflow-x: auto; white-space: nowrap; }
}
@media (max-width: 560px) {
  .site-nav { align-items: flex-start; flex-direction: column; }
  .site-links { width: 100%; justify-content: space-between; }
  .hero-card strong { font-size: 42px; }
  .steps, .stats { grid-template-columns: 1fr; }
  .side-nav { grid-template-columns: 1fr; }
  .auth-layout > .brand-mini { position: static; margin-bottom: 18px; }
  .auth-layout { place-items: start center; }
}

textarea { width: 100%; min-height: 140px; border: 1px solid rgba(148,163,184,.25); border-radius: 14px; background: rgba(15,23,42,.72); color: var(--text); padding: 12px 14px; outline: none; }
.codebox { white-space: pre-wrap; word-break: break-word; background: rgba(0,0,0,.22); border: 1px solid rgba(148,163,184,.18); border-radius: 12px; padding: 12px; color: var(--text); }