:root {
  --bg: #0a0a0f;
  --bg-elevated: #14141b;
  --bg-hover: #1c1c26;
  --border: #252530;
  --text: #f5f5f7;
  --text-muted: #8e8e96;
  --accent: #6366f1;
  --accent-hover: #7c7ff2;
  --danger: #ef4444;
  --success: #10b981;
  --warning: #f59e0b;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  height: 100%;
}

.hidden { display: none !important; }

/* ── Login ── */
.login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(ellipse at top, #1a1a2e 0%, #0a0a0f 60%);
  padding: 20px;
}

.login-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 40px;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

.login-card h1 {
  font-size: 28px;
  margin-bottom: 4px;
  background: linear-gradient(135deg, #6366f1, #a855f7);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.login-card .subtitle {
  color: var(--text-muted);
  font-size: 13px;
  margin-bottom: 32px;
}

.login-card form { display: flex; flex-direction: column; gap: 12px; }
.login-card input, .login-card button {
  padding: 12px 14px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
}
.login-card input:focus { outline: none; border-color: var(--accent); }
.login-card button {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
  font-weight: 600;
  cursor: pointer;
  margin-top: 8px;
  transition: background 0.15s;
}
.login-card button:hover { background: var(--accent-hover); }
.error { color: var(--danger); font-size: 12px; margin-top: 12px; min-height: 16px; }

/* ── Dashboard ── */
.dashboard { display: flex; height: 100vh; }

.sidebar {
  width: 240px;
  background: var(--bg-elevated);
  border-right: 1px solid var(--border);
  padding: 20px 0;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

.brand { padding: 0 20px 24px; border-bottom: 1px solid var(--border); margin-bottom: 16px; }
.brand h2 {
  font-size: 18px;
  background: linear-gradient(135deg, #6366f1, #a855f7);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.brand small { color: var(--text-muted); font-size: 11px; }

.sidebar nav { flex: 1; padding: 0 12px; }
.nav-section { margin-bottom: 24px; }
.nav-title {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  padding: 0 8px 8px;
  font-weight: 600;
}
.nav-link {
  display: block;
  padding: 8px 12px;
  border-radius: 6px;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 13px;
  transition: all 0.15s;
  margin-bottom: 2px;
}
.nav-link:hover { background: var(--bg-hover); color: var(--text); }
.nav-link.active { background: var(--accent); color: white; }

.logout {
  margin: 16px 20px 0;
  padding: 10px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  transition: all 0.15s;
}
.logout:hover { border-color: var(--danger); color: var(--danger); }

/* ── Content ── */
.content { flex: 1; overflow-y: auto; }
.content-header {
  padding: 24px 32px;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--bg-elevated);
  position: sticky;
  top: 0;
  z-index: 10;
}
.content-header h1 { font-size: 20px; font-weight: 600; }
.view-body { padding: 24px 32px; }

/* ── Stats Grid ── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}
.stat-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
}
.stat-card .label { color: var(--text-muted); font-size: 11px; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 8px; }
.stat-card .value { font-size: 28px; font-weight: 700; }
.stat-card .sub { color: var(--text-muted); font-size: 12px; margin-top: 4px; }

.app-section {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 16px;
}
.app-section h3 { font-size: 14px; margin-bottom: 14px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; }
.app-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 12px; }
.app-stat { padding: 12px; background: var(--bg); border-radius: 6px; }
.app-stat .l { font-size: 11px; color: var(--text-muted); margin-bottom: 4px; }
.app-stat .v { font-size: 20px; font-weight: 600; }

/* ── Tables ── */
.table-toolbar {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
  align-items: center;
  flex-wrap: wrap;
}
.table-toolbar input, .table-toolbar select, .table-toolbar button {
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-elevated);
  color: var(--text);
  font-size: 13px;
  font-family: inherit;
}
.table-toolbar input:focus, .table-toolbar select:focus { outline: none; border-color: var(--accent); }
.table-toolbar button { cursor: pointer; transition: all 0.15s; }
.table-toolbar button:hover { background: var(--bg-hover); }
.table-toolbar input { flex: 1; min-width: 220px; }

.data-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}
.data-table th, .data-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}
.data-table th {
  background: var(--bg);
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 10px;
  letter-spacing: 0.05em;
}
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover { background: var(--bg-hover); }
.data-table .truncate { max-width: 200px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.badge.active { background: rgba(16, 185, 129, 0.15); color: #10b981; }
.badge.waitlist { background: rgba(245, 158, 11, 0.15); color: #f59e0b; }
.badge.suspended, .badge.banned { background: rgba(239, 68, 68, 0.15); color: #ef4444; }
.badge.premium { background: rgba(168, 85, 247, 0.15); color: #a855f7; }
.badge.free { background: rgba(142, 142, 150, 0.15); color: var(--text-muted); }
.badge.used { background: rgba(99, 102, 241, 0.15); color: #6366f1; }
.badge.unused { background: rgba(16, 185, 129, 0.15); color: #10b981; }

.action-btn {
  padding: 5px 10px;
  border-radius: 5px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 11px;
  cursor: pointer;
  margin-right: 6px;
  transition: all 0.15s;
  font-family: inherit;
}
.action-btn:hover { background: var(--bg-hover); border-color: var(--accent); }
.action-btn.danger { border-color: rgba(239, 68, 68, 0.3); color: var(--danger); }
.action-btn.danger:hover { background: rgba(239, 68, 68, 0.1); border-color: var(--danger); }
.action-btn.success { border-color: rgba(16, 185, 129, 0.3); color: var(--success); }
.action-btn.success:hover { background: rgba(16, 185, 129, 0.1); border-color: var(--success); }

.empty { text-align: center; padding: 40px; color: var(--text-muted); }
.loading { text-align: center; padding: 40px; color: var(--text-muted); }

.pagination {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 16px;
  color: var(--text-muted);
  font-size: 12px;
}

/* ── Composer Panel ── */
.composer-panel {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px;
  margin-bottom: 24px;
}
.composer-panel h3 {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 16px;
}
.composer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 18px;
}
.composer-grid label { display: flex; flex-direction: column; gap: 6px; }
.composer-grid label span { font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; font-weight: 600; }
.composer-grid input, .composer-grid select, .composer-grid textarea {
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--text);
  font-size: 13px;
  font-family: inherit;
  resize: vertical;
}
.composer-grid input:focus, .composer-grid select:focus, .composer-grid textarea:focus {
  outline: none;
  border-color: var(--accent);
}
.composer-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
}
.composer-actions button {
  padding: 9px 16px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--text);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: all 0.15s;
}
.composer-actions button:hover { background: var(--bg-hover); }

/* ── System Health ── */
.health-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 10px;
  margin-bottom: 16px;
}
.host-info { font-size: 15px; font-weight: 600; }
.host-meta { font-size: 12px; color: var(--text-muted); margin-top: 2px; }

.health-badge {
  padding: 6px 14px;
  border-radius: 16px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.03em;
}
.health-badge.healthy { background: rgba(16, 185, 129, 0.15); color: #10b981; border: 1px solid rgba(16, 185, 129, 0.3); }
.health-badge.warning { background: rgba(245, 158, 11, 0.15); color: #f59e0b; border: 1px solid rgba(245, 158, 11, 0.3); }
.health-badge.critical { background: rgba(239, 68, 68, 0.15); color: #ef4444; border: 1px solid rgba(239, 68, 68, 0.3); }

.warnings-list { margin-bottom: 16px; display: flex; flex-direction: column; gap: 8px; }
.warn-item {
  padding: 10px 14px;
  border-radius: 6px;
  font-size: 13px;
  border: 1px solid;
}
.warn-item.warning { background: rgba(245, 158, 11, 0.08); color: #f59e0b; border-color: rgba(245, 158, 11, 0.3); }
.warn-item.critical { background: rgba(239, 68, 68, 0.08); color: #ef4444; border-color: rgba(239, 68, 68, 0.3); }

.progress-bar {
  margin-top: 10px;
  height: 4px;
  background: var(--bg);
  border-radius: 2px;
  overflow: hidden;
}
.progress-fill { height: 100%; transition: width 0.3s ease; border-radius: 2px; }

/* ── Generator Panel ── */
.generator-panel {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px 24px;
  margin-bottom: 24px;
}
.generator-panel h3 {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 16px;
}
.generator-grid {
  display: grid;
  grid-template-columns: 120px 140px 1fr auto;
  gap: 14px;
  align-items: end;
}
.generator-grid label { display: flex; flex-direction: column; gap: 6px; }
.generator-grid label span { font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; }
.generator-grid input {
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--text);
  font-size: 13px;
  font-family: inherit;
}
.generator-grid input:focus { outline: none; border-color: var(--accent); }

.code-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}
.code-chip {
  display: inline-block;
  padding: 6px 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--accent);
  cursor: pointer;
  transition: all 0.15s;
}
.code-chip:hover { border-color: var(--accent); background: var(--bg-hover); }

/* ── Referral Generator ── */
.primary-btn {
  padding: 8px 14px;
  background: var(--accent);
  border: 1px solid var(--accent);
  color: white;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.15s;
}
.primary-btn:hover { background: var(--accent-hover); }

.owner-results {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 16px;
  max-height: 300px;
  overflow-y: auto;
}
.owner-option {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 2px;
  transition: background 0.1s;
}
.owner-option:last-child { border-bottom: none; }
.owner-option:hover { background: var(--bg-hover); }
.owner-option strong { font-size: 13px; }
.owner-option small { color: var(--text-muted); font-size: 11px; }

.code-display { margin-bottom: 16px; }
.generated-code {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(168, 85, 247, 0.1));
  border: 1px solid var(--accent);
  border-radius: 8px;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.generated-code small { color: var(--text-muted); font-size: 11px; }
.code-big {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 28px;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin: 4px 0;
}

.copy-code { cursor: pointer; }
code.copy-code:hover { color: var(--accent); }

/* ── Toast ── */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 20px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.4);
  font-size: 13px;
  max-width: 340px;
  z-index: 100;
  animation: slideIn 0.2s ease;
}
.toast.success { border-color: var(--success); }
.toast.error { border-color: var(--danger); }
@keyframes slideIn { from { transform: translateY(20px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }