:root {
  color-scheme: dark;
  --bg: #0f0b14;
  --panel: #17121f;
  --panel-border: #2a2235;
  --text: #f2edf8;
  --muted: #a89bb8;
  --accent: #8b5cf6;
  --accent-soft: rgba(139, 92, 246, 0.15);
  --success: #34d399;
  --warning: #fbbf24;
  --danger: #f87171;
  --radius: 14px;
  font-family: "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top, rgba(139, 92, 246, 0.18), transparent 40%),
    var(--bg);
  color: var(--text);
}

.hidden { display: none !important; }

.loading {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  background: rgba(15, 11, 20, 0.72);
  backdrop-filter: blur(4px);
  z-index: 20;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin: 1rem;
}

.login-panel {
  min-height: 100vh;
  display: grid;
  place-items: center;
  margin: 0;
  background: transparent;
  border: 0;
}

.login-card {
  width: min(440px, calc(100vw - 2rem));
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: calc(var(--radius) + 4px);
  padding: 2rem;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
}

.eyebrow {
  margin: 0 0 0.35rem;
  color: var(--accent);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  margin: 0 0 0.75rem;
  font-size: 1.75rem;
}

h2 {
  margin: 0;
  font-size: 1.15rem;
}

.muted { color: var(--muted); }
.small { font-size: 0.85rem; }

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
  padding: 1.25rem 1rem 0.5rem;
}

.topbar-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.chip {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: #ddd6fe;
  font-size: 0.85rem;
}

.btn {
  border: 1px solid var(--panel-border);
  background: #221a2d;
  color: var(--text);
  border-radius: 10px;
  padding: 0.55rem 0.9rem;
  cursor: pointer;
  font: inherit;
}

.btn:hover { border-color: #46365d; }
.btn.primary {
  background: linear-gradient(135deg, #7c3aed, #6366f1);
  border-color: transparent;
  width: 100%;
  margin-top: 1rem;
}
.btn.ghost { background: transparent; }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }

.error {
  margin-top: 0.75rem;
  color: var(--danger);
  font-size: 0.9rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 0.85rem;
  padding: 0 1rem 0.5rem;
}

.stat-card {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
}

.stat-card .label {
  color: var(--muted);
  font-size: 0.82rem;
}

.stat-card .value {
  margin-top: 0.35rem;
  font-size: 1.65rem;
  font-weight: 700;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.search-row {
  display: flex;
  gap: 0.5rem;
}

input[type="search"] {
  min-width: 240px;
  border: 1px solid var(--panel-border);
  background: #120d18;
  color: var(--text);
  border-radius: 10px;
  padding: 0.55rem 0.75rem;
  font: inherit;
}

.table-wrap {
  overflow: auto;
  border: 1px solid var(--panel-border);
  border-radius: 12px;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
}

th, td {
  text-align: left;
  padding: 0.75rem 0.85rem;
  border-bottom: 1px solid var(--panel-border);
  vertical-align: top;
}

th {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 600;
}

tbody tr:hover { background: rgba(255, 255, 255, 0.02); }

tbody tr.user-row {
  cursor: pointer;
}

tbody tr.user-row:hover {
  background: rgba(139, 92, 246, 0.08);
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: grid;
  place-items: center;
  padding: 1rem;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(8, 6, 12, 0.72);
  backdrop-filter: blur(4px);
}

.modal-card {
  position: relative;
  width: min(720px, 100%);
  max-height: min(88vh, 900px);
  overflow: auto;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: calc(var(--radius) + 2px);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
  padding: 1.25rem 1.25rem 0.75rem;
  border-bottom: 1px solid var(--panel-border);
  position: sticky;
  top: 0;
  background: var(--panel);
  z-index: 1;
}

.modal-user-head {
  display: flex;
  gap: 0.85rem;
  align-items: center;
}

.modal-user-head .avatar {
  width: 52px;
  height: 52px;
}

.modal-user-head h2 {
  margin: 0 0 0.2rem;
  font-size: 1.2rem;
}

.modal-body {
  padding: 1rem 1.25rem 1.25rem;
}

.modal-section {
  margin-bottom: 1.25rem;
}

.modal-section h3 {
  margin: 0 0 0.65rem;
  font-size: 0.95rem;
  color: #ddd6fe;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.65rem;
}

.detail-item {
  background: #120d18;
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  padding: 0.75rem;
}

.detail-item .label {
  color: var(--muted);
  font-size: 0.78rem;
}

.detail-item .value {
  margin-top: 0.25rem;
  font-size: 1rem;
  font-weight: 600;
}

.usage-bar-wrap {
  margin-top: 0.35rem;
  height: 8px;
  background: #2a2235;
  border-radius: 999px;
  overflow: hidden;
}

.usage-bar {
  height: 100%;
  background: linear-gradient(90deg, #7c3aed, #6366f1);
  border-radius: 999px;
}

.usage-table {
  width: 100%;
  border-collapse: collapse;
}

.usage-table th,
.usage-table td {
  padding: 0.55rem 0.65rem;
  border-bottom: 1px solid var(--panel-border);
  font-size: 0.88rem;
}

.usage-table tr.current-month {
  background: rgba(139, 92, 246, 0.08);
}

.login-mini-table {
  width: 100%;
  border-collapse: collapse;
}

.login-mini-table th,
.login-mini-table td {
  padding: 0.5rem 0.55rem;
  border-bottom: 1px solid var(--panel-border);
  font-size: 0.82rem;
  vertical-align: top;
}

.modal-close {
  flex-shrink: 0;
}

.user-cell {
  display: flex;
  gap: 0.65rem;
  align-items: center;
}

.avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  object-fit: cover;
  background: #2a2235;
}

.badge {
  display: inline-block;
  padding: 0.15rem 0.45rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge.pro { background: rgba(52, 211, 153, 0.15); color: var(--success); }
.badge.free { background: rgba(168, 155, 184, 0.12); color: var(--muted); }

.mono {
  font-family: ui-monospace, Consolas, monospace;
  font-size: 0.78rem;
  word-break: break-all;
  color: #c4b5fd;
}

.pager {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.75rem;
  margin-top: 0.85rem;
}

@media (max-width: 720px) {
  .topbar { flex-direction: column; }
  input[type="search"] { min-width: 0; width: 100%; }
  .search-row { width: 100%; flex-direction: column; }
}