/* ===========================
   VANGUARD VPS — Billing Panel
   =========================== */

:root {
  --primary: #7c6ef7;
  --primary-dark: #5b4fcf;
  --primary-light: #a093fa;
  --accent: #00d4ff;
  --dark: #080c18;
  --dark-2: #0e1225;
  --dark-3: #131829;
  --dark-4: #1a2040;
  --sidebar-w: 256px;
  --topbar-h: 64px;
  --border: rgba(255, 255, 255, 0.07);
  --text: #e0e2ec;
  --muted: #6b7292;
  --dim: #3a4060;
  --white: #fff;
  --success: #22c55e;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #38bdf8;
  --radius: 10px;
  --radius-lg: 14px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --transition: 0.2s ease;
  --logo-accent: #a093fa;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 15px; }
body {
  font-family: var(--font);
  background: var(--dark);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 20px;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  white-space: nowrap;
  font-family: var(--font);
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  box-shadow: 0 2px 12px rgba(124,110,247,0.25);
}
.btn-primary:hover { opacity: 0.9; transform: translateY(-1px); }
.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1.5px solid var(--border);
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary-light); }
.btn-ghost { background: transparent; color: var(--muted); border: 1.5px solid var(--border); }
.btn-ghost:hover { color: var(--text); background: rgba(255,255,255,0.04); }
.btn-block { display: flex; width: 100%; justify-content: center; }

/* ===== NAV LOGO ===== */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.5px;
}
.logo-icon {
  width: 34px; height: 34px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  color: white;
  flex-shrink: 0;
}
.logo-accent { color: var(--logo-accent); }

/* ===== SIDEBAR ===== */
.sidebar {
  position: fixed;
  top: 0; left: 0;
  width: var(--sidebar-w);
  height: 100vh;
  background: var(--dark-2);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  z-index: 200;
  transition: transform 0.3s ease;
}
.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 20px 16px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.sidebar-close {
  display: none;
  background: none;
  border: none;
  color: var(--muted);
  font-size: 1.1rem;
  cursor: pointer;
  padding: 4px;
}
.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 16px 12px;
  scrollbar-width: thin;
  scrollbar-color: var(--dim) transparent;
}
.nav-section-label {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--dim);
  padding: 14px 8px 6px;
}
.sidebar-nav ul { display: flex; flex-direction: column; gap: 2px; }
.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: 8px;
  color: var(--muted);
  font-size: 0.875rem;
  font-weight: 500;
  transition: all var(--transition);
  position: relative;
}
.sidebar-nav a:hover { color: var(--text); background: rgba(255,255,255,0.05); }
.sidebar-nav a.active {
  color: var(--primary-light);
  background: rgba(124, 110, 247, 0.12);
  font-weight: 600;
}
.sidebar-nav a.active::before {
  content: '';
  position: absolute;
  left: -12px;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 18px;
  background: var(--primary);
  border-radius: 0 3px 3px 0;
}
.sidebar-nav i { width: 18px; text-align: center; font-size: 0.9rem; }
.nav-badge {
  margin-left: auto;
  background: rgba(124, 110, 247, 0.2);
  color: var(--primary-light);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 100px;
}
.nav-status-dot {
  margin-left: auto;
  width: 7px; height: 7px;
  border-radius: 50%;
}
.nav-status-dot.online { background: var(--success); box-shadow: 0 0 6px var(--success); }
.sidebar-footer {
  padding: 16px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.sidebar-avatar {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
  color: white;
  flex-shrink: 0;
}
.sidebar-user-info {
  flex: 1;
  min-width: 0;
}
.sidebar-user-info strong {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sidebar-user-info span {
  display: block;
  font-size: 0.72rem;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.logout-btn {
  color: var(--muted);
  font-size: 0.95rem;
  padding: 6px;
  border-radius: 6px;
  transition: all var(--transition);
  flex-shrink: 0;
}
.logout-btn:hover { color: var(--danger); background: rgba(239,68,68,0.1); }
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 199;
}

/* ===== TOPBAR ===== */
.topbar {
  position: fixed;
  top: 0;
  left: var(--sidebar-w);
  right: 0;
  height: var(--topbar-h);
  background: var(--dark-2);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  z-index: 100;
}
.topbar-left { display: flex; align-items: center; gap: 14px; }
.sidebar-toggle {
  background: none;
  border: none;
  color: var(--muted);
  font-size: 1.1rem;
  cursor: pointer;
  padding: 6px 8px;
  border-radius: 6px;
  transition: all var(--transition);
  display: none;
}
.sidebar-toggle:hover { color: var(--text); background: rgba(255,255,255,0.05); }
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
}
.breadcrumb a { color: var(--muted); transition: color var(--transition); }
.breadcrumb a:hover { color: var(--text); }
.breadcrumb i { color: var(--dim); font-size: 0.65rem; }
.breadcrumb span { color: var(--text); font-weight: 500; }
.topbar-right { display: flex; align-items: center; gap: 12px; }
.lang-switcher { display: flex; gap: 4px; }
.lang-btn { padding: 3px 9px; border-radius: 6px; font-size: .78rem; font-weight: 600; color: var(--text-muted); text-decoration: none; border: 1px solid transparent; transition: all .2s; }
.lang-btn:hover { color: var(--text-primary); border-color: var(--border); }
.lang-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.topbar-uptime {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  color: var(--muted);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  padding: 5px 12px;
  border-radius: 100px;
}
.status-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}
.status-dot.online { background: var(--success); box-shadow: 0 0 6px var(--success); animation: pulse 2s infinite; }
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}
.topbar-icon-btn {
  background: none;
  border: none;
  color: var(--muted);
  font-size: 1rem;
  cursor: pointer;
  width: 36px; height: 36px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}
.topbar-icon-btn:hover { color: var(--text); background: rgba(255,255,255,0.06); }
.topbar-wallet-btn {
  display: flex;
  align-items: center;
  gap: 7px;
  background: rgba(124,110,247,0.12);
  border: 1px solid rgba(124,110,247,0.25);
  color: var(--primary-light);
  font-size: .82rem;
  font-weight: 700;
  padding: 5px 13px;
  border-radius: 8px;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}
.topbar-wallet-btn:hover { background: rgba(124,110,247,0.22); border-color: rgba(124,110,247,0.45); }
.topbar-user {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  padding: 4px 10px;
  border-radius: 8px;
  transition: all var(--transition);
}
.topbar-user:hover { background: rgba(255,255,255,0.05); }
.topbar-avatar {
  width: 32px; height: 32px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.78rem;
  font-weight: 700;
  color: white;
}
.topbar-name { font-size: 0.82rem; font-weight: 600; color: var(--text); }

/* ===== PANEL MAIN LAYOUT ===== */
.panel-main {
  margin-left: var(--sidebar-w);
  min-height: 100vh;
}
.panel-content {
  padding: calc(var(--topbar-h) + 32px) 32px 40px;
  max-width: 1200px;
}

/* ===== PAGE HEADER ===== */
.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 28px;
  gap: 16px;
  flex-wrap: wrap;
}
.page-header h1 {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.5px;
  margin-bottom: 4px;
}
.page-subtitle { color: var(--muted); font-size: 0.875rem; }
.page-header-meta { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-size: 0.82rem;
  margin-bottom: 6px;
  transition: color var(--transition);
}
.back-link:hover { color: var(--text); }

/* ===== STATS GRID ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}
.stat-card {
  background: var(--dark-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 14px;
  transition: all var(--transition);
}
.stat-card:hover { border-color: rgba(124,110,247,0.3); }
.stat-card.warning { border-color: rgba(245, 158, 11, 0.25); }
.stat-card-icon {
  width: 44px; height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.stat-card-icon.green  { background: rgba(34,197,94,0.12); color: var(--success); }
.stat-card-icon.purple { background: rgba(124,110,247,0.15); color: var(--primary-light); }
.stat-card-icon.blue   { background: rgba(56,189,248,0.12); color: var(--info); }
.stat-card-icon.orange { background: rgba(245,158,11,0.12); color: var(--warning); }
.stat-card-icon.teal   { background: rgba(0,212,255,0.1); color: var(--accent); }
.stat-card-info { flex: 1; min-width: 0; }
.stat-card-value { display: block; font-size: 1.35rem; font-weight: 800; color: var(--white); line-height: 1.2; letter-spacing: -0.5px; }
.stat-card-label { display: block; font-size: 0.78rem; color: var(--muted); margin-top: 2px; }
.stat-card-trend {
  font-size: 0.72rem;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
}
.stat-card-trend.positive { color: var(--success); }
.stat-card-trend.negative { color: var(--warning); }

/* ===== DASHBOARD GRID ===== */
.dashboard-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

/* ===== PANEL CARD ===== */
.panel-card {
  background: var(--dark-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.panel-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  border-bottom: 1px solid var(--border);
}
.panel-card-header h3 {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}
.panel-card-header h3 i { color: var(--primary-light); }
.card-link {
  font-size: 0.78rem;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 5px;
  transition: color var(--transition);
}
.card-link:hover { color: var(--primary-light); }
.panel-card-body { padding: 20px 24px; }

/* ===== SERVICES LIST (dashboard) ===== */
.services-list { display: flex; flex-direction: column; gap: 12px; }
.service-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}
.service-row:last-child { border-bottom: none; }
.service-icon-wrap {
  width: 36px; height: 36px;
  background: rgba(255,255,255,0.05);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  flex-shrink: 0;
}
.service-info { flex: 1; min-width: 0; }
.service-info strong { display: block; font-size: 0.85rem; font-weight: 600; color: var(--text); }
.service-info span { font-size: 0.75rem; color: var(--muted); }
.service-status { flex-shrink: 0; }
.service-price { font-size: 0.82rem; font-weight: 600; color: var(--text); white-space: nowrap; }

/* ===== DATA TABLE ===== */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}
.data-table th {
  text-align: left;
  padding: 10px 14px;
  color: var(--muted);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border);
}
.data-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  vertical-align: middle;
}
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: rgba(255,255,255,0.02); }
.data-table-full th:first-child,
.data-table-full td:first-child { padding-left: 24px; }
.data-table-full th:last-child,
.data-table-full td:last-child { padding-right: 24px; }
.inv-id { font-family: 'Courier New', monospace; color: var(--primary-light) !important; font-size: 0.82rem !important; }

/* ===== BADGES ===== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 0.72rem;
  font-weight: 700;
}
.badge-active   { background: rgba(34,197,94,0.15); color: var(--success); border: 1px solid rgba(34,197,94,0.25); }
.badge-paid     { background: rgba(34,197,94,0.15); color: var(--success); border: 1px solid rgba(34,197,94,0.25); }
.badge-suspended { background: rgba(245,158,11,0.15); color: var(--warning); border: 1px solid rgba(245,158,11,0.25); }
.badge-unpaid   { background: rgba(245,158,11,0.15); color: var(--warning); border: 1px solid rgba(245,158,11,0.25); }
.badge-overdue  { background: rgba(239,68,68,0.15); color: var(--danger); border: 1px solid rgba(239,68,68,0.25); }

/* ===== ACTION BUTTONS ===== */
.btn-icon, .btn-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px; height: 32px;
  border-radius: 6px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.8rem;
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font);
}
.btn-icon:hover, .btn-action:hover { color: var(--text); background: rgba(255,255,255,0.1); }
.btn-action.danger:hover { color: var(--danger); background: rgba(239,68,68,0.1); border-color: rgba(239,68,68,0.3); }
.btn-action-primary { color: var(--primary-light) !important; background: rgba(124,110,247,0.1) !important; border-color: rgba(124,110,247,0.3) !important; }
.btn-action-success { color: #22c55e !important; background: rgba(34,197,94,0.1) !important; border-color: rgba(34,197,94,0.3) !important; }
.btn-action-success:hover { background: rgba(34,197,94,0.18) !important; }
.action-group { display: flex; align-items: center; gap: 5px; }

/* ===== QUICK ACTIONS ===== */
.quick-actions {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
}
.quick-action {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 16px 8px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
  text-align: center;
  transition: all var(--transition);
  cursor: pointer;
}
.quick-action:hover { border-color: rgba(124,110,247,0.35); background: rgba(124,110,247,0.06); }
.qa-icon {
  width: 40px; height: 40px;
  background: rgba(124,110,247,0.12);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-light);
  font-size: 1rem;
}
.quick-action span { font-size: 0.75rem; color: var(--muted); font-weight: 500; }

/* ===== FILTER TABS ===== */
.filter-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 20px;
  background: var(--dark-3);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 4px;
  width: fit-content;
}
.filter-tab {
  padding: 7px 16px;
  border-radius: 7px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--muted);
  transition: all var(--transition);
  display: flex;
  align-items: center;
  gap: 6px;
}
.filter-tab:hover { color: var(--text); }
.filter-tab.active { background: rgba(124,110,247,0.15); color: var(--primary-light); font-weight: 600; }
.dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}
.dot.green  { background: var(--success); }
.dot.orange { background: var(--warning); }
.dot.red    { background: var(--danger); }

/* ===== SERVICES CARDS ===== */
.services-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.service-card {
  background: var(--dark-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.service-card:hover { border-color: rgba(124,110,247,0.3); }
.service-card.suspended { border-color: rgba(245,158,11,0.2); opacity: 0.85; }
.service-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.service-card-name {
  display: flex;
  align-items: center;
  gap: 10px;
}
.service-os-icon {
  width: 38px; height: 38px;
  background: rgba(255,255,255,0.06);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--muted);
}
.service-card-name strong { display: block; font-size: 0.9rem; font-weight: 700; color: var(--text); }
.service-id { display: block; font-size: 0.72rem; color: var(--muted); font-family: monospace; }
.service-card-specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.spec-item {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 0.8rem;
  color: var(--muted);
}
.spec-item i { color: var(--dim); font-size: 0.75rem; width: 14px; }
.service-card-details {
  background: rgba(0,0,0,0.2);
  border-radius: 8px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.detail-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.78rem;
  gap: 8px;
}
.detail-label { color: var(--muted); display: flex; align-items: center; gap: 5px; }
.detail-label i { font-size: 0.7rem; }
.detail-value { color: var(--text); font-weight: 500; text-align: right; }
.mono { font-family: 'Courier New', monospace; }
.service-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}
.service-price-tag { display: flex; align-items: baseline; gap: 3px; }
.price-big { font-size: 1.1rem; font-weight: 800; color: var(--white); }
.price-period { font-size: 0.75rem; color: var(--muted); }
.service-actions { display: flex; gap: 5px; }

/* ===== TAGS ===== */
.tag {
  display: inline-block;
  background: rgba(124,110,247,0.1);
  color: var(--primary-light);
  border: 1px solid rgba(124,110,247,0.2);
  padding: 2px 8px;
  border-radius: 5px;
  font-size: 0.72rem;
  font-weight: 600;
  font-family: monospace;
  margin-right: 3px;
}

/* ===== SUMMARY PILL ===== */
.summary-pill {
  display: flex;
  align-items: center;
  gap: 7px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  padding: 8px 16px;
  border-radius: 100px;
  font-size: 0.82rem;
  color: var(--muted);
}
.summary-pill i { color: var(--primary-light); }
.summary-pill strong { color: var(--text); }

/* ===== INVOICE DETAIL ===== */
.invoice-doc { max-width: 860px; }
.inv-doc-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 32px;
  gap: 20px;
}
.inv-doc-meta {
  background: rgba(0,0,0,0.2);
  border-radius: 10px;
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 260px;
}
.inv-meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
  gap: 16px;
}
.inv-meta-row span { color: var(--muted); }
.inv-meta-row strong { color: var(--text); }
.inv-parties {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 28px;
}
.inv-party {
  background: rgba(0,0,0,0.2);
  border-radius: 8px;
  padding: 16px;
}
.inv-party h4 {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--muted);
  margin-bottom: 8px;
}
.inv-party p { font-size: 0.85rem; color: var(--text); line-height: 1.7; }
.inv-items-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  margin-bottom: 24px;
}
.inv-items-table th {
  text-align: left;
  padding: 10px 14px;
  background: rgba(0,0,0,0.2);
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
}
.inv-items-table th:first-child { border-radius: 8px 0 0 8px; }
.inv-items-table th:last-child { border-radius: 0 8px 8px 0; }
.inv-items-table td {
  padding: 14px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  vertical-align: top;
}
.inv-totals {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
  margin-bottom: 28px;
}
.inv-total-row {
  display: flex;
  gap: 48px;
  font-size: 0.88rem;
}
.inv-total-row span { color: var(--muted); width: 140px; text-align: right; }
.inv-total-row strong { color: var(--text); width: 120px; text-align: right; }
.inv-total-row.grand {
  padding-top: 10px;
  border-top: 1px solid var(--border);
}
.inv-total-row.grand span,
.inv-total-row.grand strong { font-size: 1rem; color: var(--white); font-weight: 800; }
.inv-payment-box {
  background: rgba(56, 189, 248, 0.06);
  border: 1px solid rgba(56, 189, 248, 0.2);
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 20px;
}
.inv-payment-box h4 {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--info);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.payment-details {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.85rem;
}
.payment-details div { display: flex; gap: 12px; }
.payment-details span { color: var(--muted); width: 80px; }
.payment-details strong { color: var(--text); }
.inv-paid-stamp {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--success);
  justify-content: center;
  padding: 20px;
  border: 2px solid rgba(34,197,94,0.3);
  border-radius: 10px;
  letter-spacing: 3px;
  margin-bottom: 20px;
}
.inv-footer-note {
  text-align: center;
  font-size: 0.78rem;
  color: var(--muted);
  padding-top: 20px;
  border-top: 1px solid var(--border);
  line-height: 1.6;
}
.inv-footer-note a { color: var(--primary-light); }

/* ===== PROFILE ===== */
.profile-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.profile-right { display: flex; flex-direction: column; gap: 20px; }
.profile-avatar-section {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}
.profile-avatar {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  font-weight: 800;
  color: white;
  flex-shrink: 0;
}
.profile-avatar-section strong { display: block; font-size: 0.95rem; font-weight: 700; color: var(--text); }
.profile-avatar-section span { display: block; font-size: 0.8rem; color: var(--muted); margin-bottom: 4px; }
.settings-form { display: flex; flex-direction: column; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.form-group input {
  background: rgba(0,0,0,0.3);
  border: 1.5px solid var(--border);
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 0.9rem;
  color: var(--text);
  font-family: var(--font);
  transition: border-color var(--transition);
  width: 100%;
}
.form-group input:focus {
  outline: none;
  border-color: var(--primary);
  background: rgba(124,110,247,0.06);
}
.form-group small { font-size: 0.75rem; color: var(--dim); }
.security-item {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}
.security-item strong { display: block; font-size: 0.88rem; font-weight: 600; color: var(--text); margin-bottom: 3px; }
.security-item p { font-size: 0.8rem; color: var(--muted); }
.divider { border: none; border-top: 1px solid var(--border); margin: 16px 0; }

/* ===== ALERTS ===== */
.alert {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
  border-radius: 8px;
  font-size: 0.88rem;
  margin-bottom: 20px;
}
.alert-success { background: rgba(34,197,94,0.1); color: var(--success); border: 1px solid rgba(34,197,94,0.25); }
.alert-error   { background: rgba(239,68,68,0.1); color: var(--danger); border: 1px solid rgba(239,68,68,0.25); }

/* ===== EMPTY STATE ===== */
.empty-state {
  grid-column: 1/-1;
  text-align: center;
  padding: 60px 20px;
  color: var(--muted);
}
.empty-state i { font-size: 2.5rem; color: var(--dim); margin-bottom: 16px; }
.empty-state h3 { font-size: 1.1rem; font-weight: 700; color: var(--text); margin-bottom: 8px; }
.empty-state p { font-size: 0.88rem; margin-bottom: 20px; }

/* ===========================
   AUTH PAGE
   =========================== */
.auth-page {
  background: var(--dark);
  min-height: 100vh;
}
.auth-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 100vh;
}
.auth-left {
  background: linear-gradient(135deg, rgba(124,110,247,0.12), rgba(0,212,255,0.05));
  border-right: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 60px;
}
.auth-left-content h2 {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.5px;
  margin-bottom: 12px;
}
.auth-left-content > p {
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 28px;
}
.auth-features { display: flex; flex-direction: column; gap: 12px; margin-bottom: 32px; }
.auth-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--text);
}
.auth-features i { color: var(--success); font-size: 0.85rem; }
.auth-demo-info {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  background: rgba(56,189,248,0.08);
  border: 1px solid rgba(56,189,248,0.2);
  border-radius: 10px;
  padding: 14px 16px;
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.7;
}
.auth-demo-info i { color: var(--info); margin-top: 2px; flex-shrink: 0; }
.auth-demo-info strong { color: var(--text); }
.auth-demo-info code {
  background: rgba(0,0,0,0.3);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 0.8rem;
  color: var(--primary-light);
}

.auth-right {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px 40px;
}
.auth-card { width: 100%; max-width: 400px; }
.auth-header { margin-bottom: 28px; }
.auth-header h1 {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.5px;
  margin-bottom: 6px;
}
.auth-header p { color: var(--muted); font-size: 0.9rem; }
.auth-form { display: flex; flex-direction: column; gap: 16px; margin-bottom: 16px; }
.form-group label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}
.forgot-link { color: var(--primary-light); font-size: 0.78rem; text-transform: none; letter-spacing: 0; font-weight: 500; }
.input-wrapper { position: relative; }
.input-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--dim);
  font-size: 0.85rem;
  pointer-events: none;
}
.input-wrapper input {
  width: 100%;
  background: rgba(0,0,0,0.3);
  border: 1.5px solid var(--border);
  border-radius: 8px;
  padding: 11px 14px 11px 40px;
  font-size: 0.92rem;
  color: var(--text);
  font-family: var(--font);
  transition: border-color var(--transition), background var(--transition);
}
.input-wrapper input:focus {
  outline: none;
  border-color: var(--primary);
  background: rgba(124,110,247,0.06);
}
.toggle-pw {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--dim);
  cursor: pointer;
  font-size: 0.85rem;
  padding: 4px;
  transition: color var(--transition);
}
.toggle-pw:hover { color: var(--muted); }
.form-check {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--muted);
}
.form-check input { cursor: pointer; accent-color: var(--primary); }
.auth-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 16px 0;
  color: var(--dim);
  font-size: 0.78rem;
}
.auth-divider::before, .auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}
.auth-register {
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
  margin-top: 16px;
}
.auth-register a { color: var(--primary-light); font-weight: 600; }

/* ===== PRINT STYLES ===== */
@media print {
  .sidebar, .topbar, .page-header .btn, .btn-icon, .action-group { display: none !important; }
  .panel-main { margin-left: 0 !important; }
  .panel-content { padding: 0 !important; }
  body { background: white !important; color: black !important; }
  .panel-card { border: 1px solid #ddd !important; background: white !important; }
  .inv-items-table th { background: #f5f5f5 !important; }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1100px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .dashboard-grid { grid-template-columns: 1fr; }
  .services-cards-grid { grid-template-columns: repeat(2, 1fr); }
  .quick-actions { grid-template-columns: repeat(3, 1fr); }
  .profile-grid { grid-template-columns: 1fr; }
}
@media (max-width: 900px) {
  .auth-wrapper { grid-template-columns: 1fr; }
  .auth-left { display: none; }
}
@media (max-width: 768px) {
  :root { --sidebar-w: 0px; }
  .sidebar { transform: translateX(-256px); --sidebar-w: 256px; }
  .sidebar.open { transform: translateX(0); }
  .sidebar-close { display: block; }
  .sidebar-overlay.open { display: block; }
  .topbar { left: 0; }
  .sidebar-toggle { display: flex; }
  .panel-content { padding: calc(var(--topbar-h) + 20px) 16px 40px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .services-cards-grid { grid-template-columns: 1fr; }
  .quick-actions { grid-template-columns: repeat(3, 1fr); }
  .topbar-uptime, .topbar-name { display: none; }
  .inv-doc-header { flex-direction: column; }
  .inv-doc-meta { min-width: unset; width: 100%; }
  .inv-parties { grid-template-columns: 1fr; }
  .data-table-full { font-size: 0.8rem; }
}
@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
  .filter-tabs { flex-wrap: wrap; }
  .quick-actions { grid-template-columns: repeat(2, 1fr); }
  .auth-right { padding: 40px 20px; }
}