:root {
  --bg: #15161a;
  --bg-2: #1a1b20;
  --card: #212227;
  --card-50: rgba(33, 34, 39, 0.5);
  --card-70: rgba(33, 34, 39, 0.72);
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);
  --foreground: #f6f8fb;
  --muted: #9aa1ad;
  --primary: #4d9fff;
  --primary-strong: #2f8bff;
  --primary-foreground: #08111f;
  --glow: rgba(77, 159, 255, 0.55);
  --emerald: #34d399;
  --amber: #fbbf24;
  --red: #f87171;
  --radius: 1rem;
  --font: "Inter", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; border-color: var(--border); }
html { scroll-behavior: smooth; }
html, body { margin: 0; padding: 0; }
body {
  min-height: 100vh;
  font-family: var(--font);
  color: var(--foreground);
  background-color: var(--bg);
  -webkit-font-smoothing: antialiased;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: radial-gradient(ellipse 60% 45% at 50% -5%, color-mix(in oklab, var(--primary) 22%, transparent), transparent 70%);
}
#snow { position: fixed; inset: 0; z-index: 0; pointer-events: none; opacity: 0.5; }
h1, h2, h3 { font-weight: 900; letter-spacing: -0.02em; margin: 0; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
.accent { color: var(--primary); font-style: italic; text-shadow: 0 0 30px var(--glow); }

/* topbar */
.topbar {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; height: 68px; padding: 0 24px;
  border-bottom: 1px solid var(--border);
  background: color-mix(in oklab, var(--bg) 72%, transparent);
  backdrop-filter: blur(18px);
}
.brand { display: flex; align-items: center; gap: 12px; }
.logo {
  width: 40px; height: 40px;
  display: grid; place-items: center;
  font-size: 20px; border-radius: 14px;
  color: var(--primary);
  background: color-mix(in oklab, var(--primary) 12%, transparent);
  border: 1px solid color-mix(in oklab, var(--primary) 30%, transparent);
}
.brand h1 { font-size: 19px; }
.brand h1 span { color: var(--primary); }
.top-actions { display: flex; align-items: center; gap: 10px; }

/* buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px; padding: 10px 22px;
  border-radius: 999px; border: none;
  font-family: var(--font); font-size: 14px; font-weight: 700;
  cursor: pointer; transition: all 0.2s;
}
.btn-primary {
  background: var(--primary); color: var(--primary-foreground);
  box-shadow: 0 0 20px var(--glow);
}
.btn-primary:hover { background: var(--primary-strong); transform: translateY(-1px); }
.btn-outline {
  background: transparent; color: var(--foreground);
  border: 1px solid var(--border-strong);
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }
.btn-ghost {
  background: transparent; color: var(--muted);
  border: 1px solid transparent;
}
.btn-ghost:hover { color: var(--foreground); background: var(--card-50); }
.btn-danger { background: var(--red); color: #fff; }
.btn-danger:hover { opacity: 0.85; }
.btn-sm { padding: 7px 14px; font-size: 12px; }

/* cards */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}
.glass {
  background: var(--card-50);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

/* chips */
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 12px; border-radius: 999px;
  font-size: 12px; font-weight: 600;
  background: color-mix(in oklab, var(--primary) 12%, transparent);
  color: var(--primary);
  border: 1px solid color-mix(in oklab, var(--primary) 25%, transparent);
}
.chip.green { --primary: var(--emerald); }
.chip.yellow { --primary: var(--amber); }
.chip.red { --primary: var(--red); }

/* form fields */
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-size: 13px; font-weight: 600; color: var(--muted); }
.field input, .field select, .field textarea {
  padding: 10px 14px; border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--bg-2); color: var(--foreground);
  font-family: var(--font); font-size: 14px;
  outline: none; transition: border-color 0.2s;
}
.field input:focus, .field select:focus { border-color: var(--primary); }

/* toggle switch */
.toggle-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 0; border-bottom: 1px solid var(--border);
}
.toggle-row:last-child { border-bottom: none; }
.toggle-label { font-size: 14px; font-weight: 600; }
.toggle-desc { font-size: 12px; color: var(--muted); margin-top: 2px; }
.toggle {
  position: relative; width: 44px; height: 24px;
  background: var(--bg-2); border-radius: 999px;
  border: 1px solid var(--border); cursor: pointer;
  transition: background 0.2s;
}
.toggle.on { background: var(--primary); border-color: var(--primary); }
.toggle::after {
  content: ""; position: absolute; top: 3px; left: 3px;
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--foreground); transition: transform 0.2s;
}
.toggle.on::after { transform: translateX(20px); }

/* hero section */
.hero {
  position: relative; z-index: 1;
  text-align: center; padding: 100px 24px 60px;
  max-width: 720px; margin: 0 auto;
}
.hero h1 { font-size: clamp(36px, 6vw, 56px); line-height: 1.1; margin-bottom: 20px; }
.hero p { font-size: 18px; color: var(--muted); line-height: 1.6; max-width: 520px; margin: 0 auto 32px; }
.hero-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* feature grid */
.features {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px; max-width: 960px; margin: 0 auto; padding: 40px 24px 80px;
}
.feature-card {
  padding: 28px;
  background: var(--card-50);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.3s, transform 0.3s;
}
.feature-card:hover { border-color: color-mix(in oklab, var(--primary) 40%, transparent); transform: translateY(-2px); }
.feature-icon {
  width: 44px; height: 44px; border-radius: 12px;
  display: grid; place-items: center; font-size: 20px;
  background: color-mix(in oklab, var(--primary) 12%, transparent);
  color: var(--primary); margin-bottom: 16px;
}
.feature-card h3 { font-size: 16px; margin-bottom: 8px; }
.feature-card p { font-size: 14px; color: var(--muted); line-height: 1.5; }

/* app layout (dashboard) */
.app { display: grid; grid-template-columns: 232px 1fr; min-height: 100vh; position: relative; z-index: 1; }
.sidebar {
  position: sticky; top: 0; height: 100vh;
  display: flex; flex-direction: column;
  padding: 20px 12px;
  border-right: 1px solid var(--border);
  background: var(--bg-2);
  overflow-y: auto;
}
.sidebar .brand { padding: 0 8px 20px; }
.sidebar-nav { display: flex; flex-direction: column; gap: 2px; flex: 1; }
.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px; border-radius: 10px;
  font-size: 14px; font-weight: 600; color: var(--muted);
  cursor: pointer; transition: all 0.15s; border: none; background: none;
  font-family: var(--font); width: 100%; text-align: left;
}
.nav-item:hover { color: var(--foreground); background: var(--card-50); }
.nav-item.active { color: var(--primary); background: color-mix(in oklab, var(--primary) 10%, transparent); }
.nav-item .icon { font-size: 18px; width: 24px; text-align: center; }
.nav-divider { height: 1px; background: var(--border); margin: 8px 0; }
.sidebar-footer { padding: 12px 8px 0; border-top: 1px solid var(--border); margin-top: auto; }
.user-pill {
  display: flex; align-items: center; gap: 10px;
  padding: 8px; border-radius: 10px;
}
.user-pill img {
  width: 32px; height: 32px; border-radius: 50%;
  border: 2px solid var(--border);
}
.user-pill .name { font-size: 13px; font-weight: 600; }
.user-pill .tag { font-size: 11px; color: var(--muted); }

/* main content */
.main { padding: 28px 32px; overflow-x: hidden; }
.page-header { margin-bottom: 24px; }
.page-header h2 { font-size: 24px; }
.page-header p { color: var(--muted); font-size: 14px; margin-top: 4px; }

/* stat row */
.stat-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card {
  padding: 20px;
  background: var(--card-50);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.stat-card .label { font-size: 12px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; }
.stat-card .value { font-size: 28px; font-weight: 900; margin-top: 4px; }

/* account grid */
.account-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 16px; }
.account-card {
  padding: 20px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color 0.2s, transform 0.2s;
}
.account-card:hover { border-color: color-mix(in oklab, var(--primary) 40%, transparent); transform: translateY(-2px); }
.account-card .username { font-size: 16px; font-weight: 700; }
.account-card .email { font-size: 13px; color: var(--muted); margin-top: 4px; word-break: break-all; }
.account-card .meta { display: flex; gap: 8px; margin-top: 12px; flex-wrap: wrap; }

/* email list */
.email-list { display: flex; flex-direction: column; gap: 8px; }
.email-item {
  padding: 16px 20px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color 0.2s;
}
.email-item:hover { border-color: color-mix(in oklab, var(--primary) 40%, transparent); }
.email-item .from { font-size: 14px; font-weight: 700; }
.email-item .subject { font-size: 13px; color: var(--muted); margin-top: 2px; }
.email-item .time { font-size: 11px; color: var(--muted); margin-top: 6px; }

/* drawer / detail panel */
.drawer-overlay {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(0,0,0,0.5); opacity: 0;
  pointer-events: none; transition: opacity 0.2s;
}
.drawer-overlay.open { opacity: 1; pointer-events: auto; }
.drawer {
  position: fixed; top: 0; right: -480px; z-index: 101;
  width: 480px; max-width: 100vw; height: 100vh;
  background: var(--bg-2); border-left: 1px solid var(--border);
  overflow-y: auto; transition: right 0.3s ease;
  padding: 28px;
}
.drawer.open { right: 0; }
.drawer-close {
  position: absolute; top: 16px; right: 16px;
  background: none; border: none; color: var(--muted);
  font-size: 20px; cursor: pointer;
}
.drawer-close:hover { color: var(--foreground); }

/* settings grid */
.settings-section { margin-bottom: 32px; }
.settings-section h3 { font-size: 16px; margin-bottom: 16px; padding-bottom: 8px; border-bottom: 1px solid var(--border); }

/* license section */
.license-card {
  padding: 24px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 16px;
}
.license-card .status { font-size: 14px; font-weight: 700; }
.license-card .expiry { font-size: 13px; color: var(--muted); margin-top: 4px; }
.redeem-form { display: flex; gap: 8px; margin-top: 16px; }
.redeem-form input { flex: 1; }

/* admin table */
.data-table { width: 100%; border-collapse: collapse; }
.data-table th, .data-table td {
  padding: 12px 16px; text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}
.data-table th { font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; font-size: 11px; }
.data-table tr:hover td { background: var(--card-50); }

/* auth page */
.auth-page {
  display: flex; align-items: center; justify-content: center;
  min-height: 100vh; padding: 24px; position: relative; z-index: 1;
}
.auth-card {
  width: 100%; max-width: 400px;
  padding: 40px;
  background: var(--card-70);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: 24px;
  text-align: center;
}
.auth-card h2 { font-size: 24px; margin-bottom: 8px; }
.auth-card p { color: var(--muted); font-size: 14px; margin-bottom: 28px; }
.discord-btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 32px; border-radius: 999px;
  background: #5865F2; color: #fff;
  font-size: 15px; font-weight: 700;
  border: none; cursor: pointer;
  font-family: var(--font);
  transition: all 0.2s;
}
.discord-btn:hover { background: #4752c4; transform: translateY(-1px); box-shadow: 0 4px 20px rgba(88,101,242,0.4); }
.discord-btn svg { width: 20px; height: 20px; }

/* page sections */
.page { display: none; }
.page.active { display: block; }

/* empty state */
.empty-state {
  text-align: center; padding: 60px 20px;
  color: var(--muted);
}
.empty-state .icon { font-size: 48px; margin-bottom: 16px; }
.empty-state h3 { font-size: 18px; color: var(--foreground); margin-bottom: 8px; }

/* loading */
.spinner {
  width: 32px; height: 32px; border: 3px solid var(--border);
  border-top-color: var(--primary); border-radius: 50%;
  animation: spin 0.6s linear infinite; margin: 40px auto;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* toast */
.toast {
  position: fixed; bottom: 24px; right: 24px; z-index: 200;
  padding: 14px 24px; border-radius: 12px;
  background: var(--card); border: 1px solid var(--border);
  font-size: 14px; font-weight: 600;
  transform: translateY(100px); opacity: 0;
  transition: all 0.3s;
}
.toast.show { transform: translateY(0); opacity: 1; }
.toast.error { border-color: var(--red); color: var(--red); }
.toast.success { border-color: var(--emerald); color: var(--emerald); }

/* mobile sidebar */
.mobile-toggle {
  display: none; background: none; border: none;
  color: var(--foreground); font-size: 24px; cursor: pointer;
}
@media (max-width: 768px) {
  .app { grid-template-columns: 1fr; }
  .sidebar {
    position: fixed; left: -260px; z-index: 60;
    width: 252px; transition: left 0.3s;
  }
  .sidebar.open { left: 0; }
  .mobile-toggle { display: block; }
  .hero h1 { font-size: 32px; }
  .drawer { width: 100vw; }
}

/* scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 3px; }