/* ─── Reset & Base ──────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* Colors */
  --bg-primary:    #080c14;
  --bg-secondary:  #0d1225;
  --bg-card:       #111827;
  --bg-card-hover: #161f35;
  --bg-input:      #0d1225;

  --border:        rgba(99, 102, 241, 0.12);
  --border-hover:  rgba(99, 102, 241, 0.35);
  --border-subtle: rgba(255, 255, 255, 0.05);

  --accent:        #6366f1;
  --accent-light:  #818cf8;
  --accent-dark:   #4f46e5;
  --accent-glow:   rgba(99, 102, 241, 0.25);

  --success:       #22c55e;
  --success-bg:    rgba(34, 197, 94, 0.1);
  --error:         #ef4444;
  --error-bg:      rgba(239, 68, 68, 0.1);
  --warning:       #f59e0b;
  --warning-bg:    rgba(245, 158, 11, 0.1);
  --info:          #38bdf8;

  --text-primary:  #f1f5f9;
  --text-secondary:#94a3b8;
  --text-muted:    #475569;

  /* Spacing */
  --radius-sm: 6px;
  --radius:    10px;
  --radius-lg: 16px;
  --radius-xl: 20px;

  /* Shadows */
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4), 0 1px 4px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 30px rgba(99, 102, 241, 0.15);
}

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent-light); text-decoration: none; }
a:hover { color: var(--accent); }

.hidden { display: none !important; }

/* ─── Scrollbar ─────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-secondary); }
::-webkit-scrollbar-thumb { background: var(--border-hover); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* ─── Buttons ───────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius);
  border: none;
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: transparent;
  transition: background 0.2s;
}
.btn:hover:not(:disabled)::after { background: rgba(255,255,255,0.06); }

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #8b5cf6);
  color: #fff;
  box-shadow: 0 4px 15px var(--accent-glow);
}
.btn-primary:hover:not(:disabled) {
  box-shadow: 0 6px 25px rgba(99,102,241,0.4);
  transform: translateY(-1px);
}

.btn-success {
  background: linear-gradient(135deg, #16a34a, #22c55e);
  color: #fff;
  box-shadow: 0 4px 15px rgba(34,197,94,0.2);
}
.btn-success:hover:not(:disabled) { box-shadow: 0 6px 20px rgba(34,197,94,0.35); transform: translateY(-1px); }

.btn-danger {
  background: linear-gradient(135deg, #dc2626, #ef4444);
  color: #fff;
  box-shadow: 0 4px 15px rgba(239,68,68,0.2);
}
.btn-danger:hover:not(:disabled) { box-shadow: 0 6px 20px rgba(239,68,68,0.35); transform: translateY(-1px); }

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}
.btn-ghost:hover:not(:disabled) { border-color: var(--border-hover); color: var(--text-primary); }

.btn-icon {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  padding: 6px 10px;
  border-radius: var(--radius-sm);
}
.btn-icon:hover:not(:disabled) { color: var(--text-primary); border-color: var(--border-hover); }

.btn-icon-danger {
  background: transparent;
  color: var(--error);
  border: 1px solid rgba(239,68,68,0.2);
  padding: 6px 10px;
  border-radius: var(--radius-sm);
}
.btn-icon-danger:hover:not(:disabled) { background: var(--error-bg); border-color: var(--error); }

.btn-icon-warning {
  background: transparent;
  color: var(--warning);
  border: 1px solid rgba(245,158,11,0.2);
  padding: 6px 10px;
  border-radius: var(--radius-sm);
}
.btn-icon-warning:hover:not(:disabled) { background: var(--warning-bg); border-color: var(--warning); }

.btn-sm { padding: 6px 14px; font-size: 13px; }
.btn-full { width: 100%; }

/* Spinner inside button */
.btn-spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

/* ─── Forms ─────────────────────────────────────────────────── */
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-label { font-size: 13px; font-weight: 500; color: var(--text-secondary); }

.input-wrapper { position: relative; display: flex; align-items: center; }

.form-input {
  width: 100%;
  padding: 11px 14px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 14px;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.form-input::placeholder { color: var(--text-muted); }
.form-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.input-with-icon .form-input { padding-left: 40px; }
.input-icon {
  position: absolute;
  left: 12px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  pointer-events: none;
}

.input-toggle {
  position: absolute;
  right: 10px;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  display: flex;
  align-items: center;
  transition: color 0.2s;
}
.input-toggle:hover { color: var(--text-primary); }

.form-hint {
  font-size: 12px;
  color: var(--text-muted);
}

/* ─── Alerts ────────────────────────────────────────────────── */
.alert {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 500;
}
.alert-error   { background: var(--error-bg);   border: 1px solid rgba(239,68,68,0.3);   color: var(--error); }
.alert-success { background: var(--success-bg); border: 1px solid rgba(34,197,94,0.3);  color: var(--success); }
.alert-warning { background: var(--warning-bg); border: 1px solid rgba(245,158,11,0.3); color: var(--warning); }

/* ─── Status badges ─────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.3px;
}
.badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
}
.badge-running {
  background: rgba(34,197,94,0.12);
  color: var(--success);
  border: 1px solid rgba(34,197,94,0.25);
}
.badge-running .badge-dot {
  background: var(--success);
  box-shadow: 0 0 6px var(--success);
  animation: pulse-dot 2s infinite;
}
.badge-stopped {
  background: rgba(100,116,139,0.12);
  color: var(--text-muted);
  border: 1px solid rgba(100,116,139,0.2);
}
.badge-stopped .badge-dot { background: var(--text-muted); }
.badge-installing {
  background: var(--warning-bg);
  color: var(--warning);
  border: 1px solid rgba(245,158,11,0.25);
}
.badge-installing .badge-dot {
  background: var(--warning);
  animation: pulse-dot 1.2s infinite;
}
.badge-error {
  background: var(--error-bg);
  color: var(--error);
  border: 1px solid rgba(239,68,68,0.25);
}

/* ─── Modal ─────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 20px;
  animation: fade-in 0.2s ease;
}

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 32px;
  width: 100%;
  max-width: 520px;
  box-shadow: var(--shadow-card), var(--shadow-glow);
  animation: slide-up 0.25s ease;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}
.modal-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
}
.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  display: flex;
  border-radius: var(--radius-sm);
  transition: color 0.2s;
}
.modal-close:hover { color: var(--text-primary); background: var(--border-subtle); }

.modal-body { display: flex; flex-direction: column; gap: 16px; }

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--border-subtle);
}

.modal-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* Install progress log */
.install-progress {
  background: #050810;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px;
  height: 180px;
  overflow-y: auto;
  font-family: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
  font-size: 12px;
  color: #94a3b8;
  line-height: 1.6;
}
.install-progress p { margin: 0; }
.install-progress p.success { color: var(--success); }
.install-progress p.error   { color: var(--error); }

/* ─── Toast ─────────────────────────────────────────────────── */
#toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  border-radius: var(--radius-lg);
  font-size: 14px;
  font-weight: 500;
  box-shadow: 0 8px 30px rgba(0,0,0,0.4);
  animation: slide-in-right 0.3s ease;
  min-width: 280px;
  max-width: 380px;
}
.toast-success { background: #14532d; border: 1px solid rgba(34,197,94,0.3); color: #86efac; }
.toast-error   { background: #7f1d1d; border: 1px solid rgba(239,68,68,0.3); color: #fca5a5; }
.toast-info    { background: #1e3a5f; border: 1px solid rgba(56,189,248,0.3); color: #7dd3fc; }
.toast-exit { animation: slide-out-right 0.3s ease forwards; }

/* ─── Login page ────────────────────────────────────────────── */
.login-page { overflow: hidden; }

.bg-aurora {
  position: fixed;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}
.bg-aurora div {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.15;
  animation: aurora-drift 12s ease-in-out infinite alternate;
}
.aurora-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, #6366f1, transparent);
  top: -200px; left: -100px;
}
.aurora-2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, #8b5cf6, transparent);
  bottom: -150px; right: -100px;
  animation-delay: -4s;
}
.aurora-3 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, #06b6d4, transparent);
  top: 40%; left: 50%;
  animation-delay: -8s;
}

.login-container {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.login-card {
  background: rgba(17,24,39,0.85);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 48px 40px;
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow-card), 0 0 60px rgba(99,102,241,0.08);
}

.login-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  margin-bottom: 32px;
}
.login-logo svg { margin-bottom: 4px; }
.login-logo-text {
  font-size: 22px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent-light), #c4b5fd);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.5px;
}
.login-logo-sub {
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 2px;
  text-transform: uppercase;
}

.login-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 6px;
}
.login-subtitle {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 28px;
}

.login-form { display: flex; flex-direction: column; gap: 16px; }

.login-footer {
  margin-top: 20px;
  text-align: center;
  font-size: 13px;
  color: var(--text-secondary);
}

/* ─── Header ────────────────────────────────────────────────── */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 64px;
  background: rgba(8,12,20,0.9);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  z-index: 100;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.header-brand-name {
  font-size: 17px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent-light), #c4b5fd);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
}
.header-username {
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 500;
}

/* ─── Main layout ───────────────────────────────────────────── */
.main {
  margin-top: 64px;
  padding: 28px 24px;
  max-width: 1400px;
  margin-left: auto;
  margin-right: auto;
}

/* ─── Section ───────────────────────────────────────────────── */
.section { margin-bottom: 36px; }
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.section-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 10px;
}
.section-title svg { color: var(--accent); }

/* ─── Stats grid ────────────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
@media (max-width: 1100px) { .stats-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px)  { .stats-grid { grid-template-columns: 1fr; } }

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-card);
  transition: border-color 0.2s, transform 0.2s;
  overflow: hidden;
  position: relative;
}
.stat-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
}
.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), #8b5cf6);
  opacity: 0;
  transition: opacity 0.3s;
}
.stat-card:hover::before { opacity: 1; }

.stat-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.stat-card-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.8px;
}
.stat-icon {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-glow);
  color: var(--accent-light);
}

.stat-value {
  font-size: 28px;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: 4px;
  font-variant-numeric: tabular-nums;
}
.stat-value-unit { font-size: 14px; font-weight: 500; color: var(--text-secondary); }

.stat-detail {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 12px;
}

/* Gauge */
.gauge-wrap {
  display: flex;
  align-items: center;
  gap: 16px;
}
.gauge-canvas-wrap { position: relative; }
.gauge-info { flex: 1; }

/* Progress bar */
.progress-bar {
  height: 6px;
  background: rgba(255,255,255,0.06);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 8px;
}
.progress-fill {
  height: 100%;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--accent), #8b5cf6);
  transition: width 0.6s ease;
}

/* Sparkline */
.sparkline-wrap { margin-top: 12px; }
.sparkline-canvas { width: 100%; height: 40px; display: block; }

/* Network stat rows */
.net-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 0;
  border-bottom: 1px solid var(--border-subtle);
}
.net-row:last-child { border-bottom: none; }
.net-direction {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 500;
}
.net-speed {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
}

/* Disk */
.disk-item { margin-bottom: 10px; }
.disk-item:last-child { margin-bottom: 0; }
.disk-item-header {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 6px;
}
.disk-mount { font-weight: 600; color: var(--text-primary); }
.disk-size   { color: var(--text-muted); }

/* ─── Server cards ──────────────────────────────────────────── */
.servers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
  gap: 16px;
}

.server-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: border-color 0.2s, transform 0.2s;
}
.server-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
}
.server-card.running { border-color: rgba(34,197,94,0.2); }
.server-card.running:hover { border-color: rgba(34,197,94,0.4); }

.server-card-top {
  padding: 20px 20px 16px;
  border-bottom: 1px solid var(--border-subtle);
}
.server-card-title-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}
.server-name {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

.server-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.server-meta-item {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  color: var(--text-muted);
}
.server-meta-item svg { color: var(--accent-light); flex-shrink: 0; }

.server-card-body {
  padding: 16px 20px;
}
.server-uptime {
  font-size: 13px;
  color: var(--text-secondary);
  font-variant-numeric: tabular-nums;
  margin-bottom: 16px;
}
.server-uptime strong { color: var(--success); }

.server-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}
.server-actions-right {
  margin-left: auto;
  display: flex;
  gap: 6px;
}

/* Logs panel */
.server-logs {
  border-top: 1px solid var(--border-subtle);
  background: #050810;
}
.logs-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  cursor: pointer;
  transition: background 0.2s;
}
.logs-header:hover { background: rgba(255,255,255,0.02); }
.logs-header-left {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.8px;
}
.logs-toggle-icon { color: var(--text-muted); transition: transform 0.2s; }
.logs-toggle-icon.open { transform: rotate(180deg); }

.logs-body {
  height: 200px;
  overflow-y: auto;
  padding: 8px 12px;
  font-family: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
  font-size: 11.5px;
  line-height: 1.7;
  color: #64748b;
  display: none;
}
.logs-body.open { display: block; }
.logs-body p { margin: 0; word-break: break-all; }
.logs-body p:hover { color: #94a3b8; }

/* Empty state */
.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-muted);
}
.empty-state svg { margin-bottom: 16px; opacity: 0.3; }
.empty-state h3 { font-size: 16px; color: var(--text-secondary); margin-bottom: 8px; }
.empty-state p  { font-size: 14px; }

/* ─── Confirm dialog ────────────────────────────────────────── */
.confirm-modal p { font-size: 14px; color: var(--text-secondary); line-height: 1.6; }
.confirm-modal strong { color: var(--text-primary); }

/* ─── Animations ────────────────────────────────────────────── */
@keyframes spin {
  to { transform: rotate(360deg); }
}
@keyframes aurora-drift {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(40px, 30px) scale(1.1); }
}
@keyframes fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes slide-up {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes slide-in-right {
  from { opacity: 0; transform: translateX(30px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes slide-out-right {
  from { opacity: 1; transform: translateX(0); }
  to   { opacity: 0; transform: translateX(30px); }
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.4; }
}

/* Load average pill */
.load-pills {
  display: flex;
  gap: 8px;
  margin-top: 10px;
}
.load-pill {
  flex: 1;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 6px 8px;
  text-align: center;
}
.load-pill-label {
  font-size: 10px;
  color: var(--text-muted);
  display: block;
  margin-bottom: 2px;
}
.load-pill-value {
  font-size: 13px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

/* ─── Config button ─────────────────────────────────────────── */
.btn-icon-accent {
  background: transparent;
  color: var(--accent-light);
  border: 1px solid rgba(99,102,241,0.2);
  padding: 6px 10px;
  border-radius: var(--radius-sm);
}
.btn-icon-accent:hover:not(:disabled) { background: var(--accent-glow); border-color: var(--accent); }

/* ─── Config modal ──────────────────────────────────────────── */
.modal-wide { max-width: 720px; }

.modal-scrollable {
  max-height: 70vh;
  overflow-y: auto;
  padding-right: 4px;
}

.config-section {
  margin-bottom: 24px;
}
.config-section-title {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  gap: 8px;
}
.config-section-title svg { color: var(--accent); }

.config-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.config-grid-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 12px;
}

/* ─── Toggle switch ─────────────────────────────────────────── */
.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 6px 0;
}
.toggle-label {
  font-size: 13px;
  color: var(--text-secondary);
  flex: 1;
}

.toggle-switch {
  position: relative;
  display: inline-block;
  width: 36px;
  height: 20px;
  flex-shrink: 0;
}
.toggle-switch input { opacity: 0; width: 0; height: 0; }
.toggle-track {
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.08);
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
}
.toggle-track::after {
  content: '';
  position: absolute;
  left: 2px;
  top: 50%;
  transform: translateY(-50%);
  width: 14px;
  height: 14px;
  background: var(--text-muted);
  border-radius: 50%;
  transition: left 0.2s, background 0.2s;
}
.toggle-switch input:checked + .toggle-track {
  background: var(--accent-glow);
  border-color: var(--accent);
}
.toggle-switch input:checked + .toggle-track::after {
  left: 18px;
  background: var(--accent-light);
}
.toggle-switch input:focus-visible + .toggle-track {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ─── User group cards ──────────────────────────────────────── */
.groups-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.group-card {
  background: rgba(255,255,255,0.025);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  position: relative;
}
.group-card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}
.group-card-name {
  flex: 1;
  font-size: 13px;
  font-weight: 600;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 6px 10px;
  color: var(--text-primary);
  font-family: inherit;
  transition: border-color 0.2s;
}
.group-card-name:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-glow); }

.group-card-password {
  flex: 1;
  font-size: 13px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 6px 10px;
  color: var(--text-primary);
  font-family: inherit;
  transition: border-color 0.2s;
}
.group-card-password:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-glow); }
.group-card-password::placeholder { color: var(--text-muted); }

.group-card-remove {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  transition: color 0.2s, background 0.2s;
  flex-shrink: 0;
}
.group-card-remove:hover { color: var(--error); background: var(--error-bg); }

.group-card-perms {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px 16px;
}

.group-reserved {
  margin-top: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--text-secondary);
}
.group-reserved input[type="number"] {
  width: 60px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 4px 8px;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 13px;
  text-align: center;
}
.group-reserved input[type="number"]:focus { outline: none; border-color: var(--accent); }

.add-group-btn {
  width: 100%;
  padding: 10px;
  background: rgba(99,102,241,0.06);
  border: 1px dashed rgba(99,102,241,0.3);
  border-radius: var(--radius);
  color: var(--accent-light);
  cursor: pointer;
  font-family: inherit;
  font-size: 13px;
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: background 0.2s, border-color 0.2s;
  margin-top: 8px;
}
.add-group-btn:hover { background: rgba(99,102,241,0.12); border-color: var(--accent); }
.add-group-btn:disabled { opacity: 0.4; cursor: not-allowed; }

.config-running-warning {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: rgba(245,158,11,0.08);
  border: 1px solid rgba(245,158,11,0.25);
  border-radius: var(--radius);
  font-size: 13px;
  color: var(--warning);
  margin-bottom: 16px;
}

/* ─── Advanced / game-settings button ─────────────────────── */
.btn-icon-purple {
  background: transparent;
  color: #a78bfa;
  border: 1px solid rgba(167,139,250,0.2);
  padding: 6px 10px;
  border-radius: var(--radius-sm);
}
.btn-icon-purple:hover:not(:disabled) { background: rgba(167,139,250,0.1); border-color: #a78bfa; }

/* ─── Factor slider row ────────────────────────────────────── */
.factor-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 5px 0;
}
.factor-label {
  font-size: 12px;
  color: var(--text-secondary);
  min-width: 180px;
  flex-shrink: 0;
}
.factor-range {
  flex: 1;
  -webkit-appearance: none;
  appearance: none;
  height: 4px;
  background: rgba(255,255,255,0.1);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}
.factor-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--accent-light);
  cursor: pointer;
  transition: transform 0.15s;
}
.factor-range::-webkit-slider-thumb:hover { transform: scale(1.2); }
.factor-value {
  font-size: 12px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--accent-light);
  min-width: 36px;
  text-align: right;
}

/* ─── GameSettings selects ─────────────────────────────────── */
.gs-select {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 7px 10px;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 13px;
  cursor: pointer;
  transition: border-color 0.2s;
}
.gs-select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-glow); }

/* ─── Save path display ───────────────────────────────────── */
.save-path-box {
  margin-top: 14px;
  padding: 12px 14px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 12px;
  color: var(--text-muted);
}
.save-path-box strong {
  display: block;
  color: var(--text-secondary);
  margin-bottom: 6px;
  font-size: 12px;
}
.save-path-value {
  font-family: 'Courier New', monospace;
  font-size: 11px;
  word-break: break-all;
  color: var(--accent-light);
  background: rgba(99,102,241,0.06);
  padding: 6px 10px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.copy-path-btn {
  background: none;
  border: none;
  color: var(--accent-light);
  cursor: pointer;
  padding: 2px 4px;
  border-radius: 3px;
  flex-shrink: 0;
  transition: background 0.2s;
}
.copy-path-btn:hover { background: var(--accent-glow); }