:root {
  --bg-0: #0a0a0c;
  --bg-1: #111113;
  --bg-2: #18181b;
  --bg-3: #212125;
  --bg-4: #2a2a2f;
  --line-1: rgba(255,255,255,0.06);
  --line-2: rgba(255,255,255,0.10);
  --text-1: #f4f4f5;
  --text-2: #b8b8be;
  --text-3: #76767e;
  --text-4: #56565c;
  --red-1: #ff3a3a;
  --red-2: #e02424;
  --red-3: #b91818;
  --green: #2ecc71;
  --gold: #d6a93a;
  --blue: #3a8bff;
  --purple: #a855f7;
  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 16px;
  --r-xl: 22px;
  --sidebar-w: 240px;
  --font: 'Manrope', ui-sans-serif, system-ui, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, monospace;
}

* { box-sizing: border-box; scrollbar-width: thin; scrollbar-color: rgba(255,255,255,0.1) transparent; }
*::-webkit-scrollbar { width: 5px; height: 5px; }
*::-webkit-scrollbar-track { background: transparent; }
*::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.12); border-radius: 4px; }

html, body {
  margin: 0; padding: 0;
  width: 100%; height: 100%;
  background: var(--bg-0);
  font-family: var(--font);
  font-weight: 600;
  color: var(--text-1);
  font-feature-settings: "ss01";
  -webkit-font-smoothing: antialiased;
  overflow: hidden;
}

button { font-family: inherit; cursor: pointer; }
a { color: inherit; text-decoration: none; }
input, textarea { font-family: inherit; }

#root { width: 100%; height: 100%; display: flex; flex-direction: column; }

.layout {
  flex: 1;
  display: flex;
  min-height: 0;
  overflow: hidden;
}

.sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  background: var(--bg-1);
  border-right: 1px solid var(--line-1);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 20px 20px 16px;
  border-bottom: 1px solid var(--line-1);
}

.sidebar-logo img { width: 32px; height: 32px; }
.sidebar-logo-text { font-size: 17px; font-weight: 800; letter-spacing: -0.03em; }
.sidebar-logo-text span { color: var(--red-1); }

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 10px 8px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: var(--r-md);
  font-size: 14px;
  font-weight: 700;
  color: var(--text-3);
  background: transparent;
  border: none;
  text-align: left;
  width: 100%;
  transition: background 0.12s, color 0.12s;
  cursor: pointer;
}
.nav-item:hover { background: var(--bg-3); color: var(--text-1); }
.nav-item.active { background: rgba(224,36,36,0.12); color: var(--red-1); }
.nav-item svg { flex-shrink: 0; }

.sidebar-footer {
  padding: 12px 8px;
  border-top: 1px solid var(--line-1);
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: var(--r-md);
  cursor: pointer;
  transition: background 0.12s;
}
.sidebar-user:hover { background: var(--bg-3); }

.main-area {
  flex: 1;
  min-width: 0;
  overflow-y: auto;
  background: var(--bg-0);
}

.page {
  max-width: 960px;
  margin: 0 auto;
  padding: 32px 24px;
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.page-title {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.card {
  background: var(--bg-2);
  border: 1px solid var(--line-1);
  border-radius: var(--r-lg);
}

.card-p { padding: 16px 20px; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }

.stat-card {
  background: var(--bg-2);
  border: 1px solid var(--line-1);
  border-radius: var(--r-lg);
  padding: 16px 20px;
}
.stat-label { font-size: 11px; font-weight: 700; color: var(--text-3); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 4px; }
.stat-value { font-size: 24px; font-weight: 800; letter-spacing: -0.03em; }
.stat-sub { font-size: 12px; color: var(--text-3); margin-top: 2px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 18px;
  border-radius: var(--r-md);
  font-size: 14px;
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: opacity 0.12s, background 0.12s;
  white-space: nowrap;
}
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn-primary { background: var(--red-2); color: #fff; }
.btn-primary:hover:not(:disabled) { background: var(--red-1); }
.btn-secondary { background: var(--bg-3); color: var(--text-1); border: 1px solid var(--line-2); }
.btn-secondary:hover:not(:disabled) { background: var(--bg-4); }
.btn-sm { padding: 6px 12px; font-size: 12px; border-radius: var(--r-sm); }
.btn-block { width: 100%; }

.input {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-3);
  border: 1px solid var(--line-2);
  border-radius: var(--r-md);
  color: var(--text-1);
  font-size: 14px;
  font-weight: 600;
  outline: none;
  transition: border-color 0.15s;
}
.input:focus { border-color: rgba(255,255,255,0.22); }
.input::placeholder { color: var(--text-4); }

.chip {
  display: inline-flex;
  align-items: center;
  padding: 3px 8px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 700;
  background: var(--bg-4);
  color: var(--text-2);
  white-space: nowrap;
}
.chip-red { background: rgba(224,36,36,0.15); color: var(--red-1); }
.chip-green { background: rgba(46,204,113,0.15); color: var(--green); }
.chip-gold { background: rgba(214,169,58,0.15); color: var(--gold); }
.chip-purple { background: rgba(168,85,247,0.15); color: var(--purple); }
.chip-blue { background: rgba(58,139,255,0.15); color: var(--blue); }

.avatar {
  --avatar-size: 40px;
  width: var(--avatar-size);
  height: var(--avatar-size);
  border-radius: 50%;
  background: var(--bg-4);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  flex-shrink: 0;
  border: 2px solid rgba(255,255,255,0.08);
}
.avatar.premium { border-color: var(--purple); box-shadow: 0 0 0 2px rgba(168,85,247,0.25); }
.avatar img { width: 100%; height: 100%; object-fit: cover; display: block; }

.skeleton {
  background: linear-gradient(90deg, var(--bg-3) 25%, var(--bg-4) 50%, var(--bg-3) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite;
  border-radius: 6px;
}
@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

.divider { height: 1px; background: var(--line-1); margin: 0; }

.row { display: flex; align-items: center; }
.col { display: flex; flex-direction: column; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }

.search-bar {
  position: relative;
  display: flex;
  align-items: center;
}
.search-bar svg {
  position: absolute;
  left: 12px;
  color: var(--text-4);
  pointer-events: none;
}
.search-bar .input { padding-left: 36px; }

.topbar {
  height: 52px;
  background: var(--bg-1);
  border-bottom: 1px solid var(--line-1);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 16px;
  flex-shrink: 0;
}

.tab-bar {
  display: flex;
  gap: 4px;
  background: var(--bg-2);
  border: 1px solid var(--line-1);
  border-radius: var(--r-md);
  padding: 3px;
}
.tab-btn {
  flex: 1;
  padding: 7px 14px;
  border-radius: calc(var(--r-md) - 3px);
  font-size: 13px;
  font-weight: 700;
  color: var(--text-3);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: background 0.12s, color 0.12s;
  white-space: nowrap;
}
.tab-btn.active { background: var(--bg-4); color: var(--text-1); }
.tab-btn:hover:not(.active) { color: var(--text-2); }

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 48px 24px;
  color: var(--text-3);
  font-size: 14px;
  text-align: center;
}

.player-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--line-1);
  cursor: pointer;
  transition: background 0.1s;
}
.player-row:last-child { border-bottom: none; }
.player-row:hover { background: var(--bg-3); }

.rank-num {
  width: 32px;
  text-align: center;
  font-size: 13px;
  font-weight: 700;
  color: var(--text-4);
  flex-shrink: 0;
}

.badge-online {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--green);
  flex-shrink: 0;
}

.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.7);
  display: flex; align-items: center; justify-content: center;
  z-index: 100;
  backdrop-filter: blur(4px);
}
.modal {
  background: var(--bg-2);
  border: 1px solid var(--line-2);
  border-radius: var(--r-xl);
  padding: 24px;
  max-width: 480px;
  width: calc(100% - 32px);
  max-height: 85vh;
  overflow-y: auto;
}
.modal-title { font-size: 17px; font-weight: 800; margin-bottom: 16px; }

.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-0);
  padding: 24px;
}
.auth-card {
  background: var(--bg-2);
  border: 1px solid var(--line-1);
  border-radius: var(--r-xl);
  padding: 40px;
  max-width: 420px;
  width: 100%;
  text-align: center;
}
.auth-logo { width: 56px; height: 56px; margin: 0 auto 20px; }
.auth-title { font-size: 22px; font-weight: 800; letter-spacing: -0.03em; margin-bottom: 8px; }
.auth-sub { font-size: 14px; color: var(--text-3); margin-bottom: 28px; line-height: 1.5; }
.auth-error { font-size: 13px; color: var(--red-1); margin-top: 12px; }

@media (max-width: 900px) {
  .sidebar { width: 200px; --sidebar-w: 200px; }
}
@media (max-width: 700px) {
  .layout { flex-direction: column; }
  .sidebar { width: 100%; height: auto; border-right: none; border-bottom: 1px solid var(--line-1); }
  .sidebar-nav { flex-direction: row; overflow-x: auto; padding: 6px 8px; gap: 4px; }
  .nav-item { padding: 7px 10px; font-size: 12px; flex-direction: column; gap: 3px; min-width: 60px; text-align: center; }
  .sidebar-logo, .sidebar-footer { display: none; }
  .page { padding: 16px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}