@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@400;500;600;700&family=IBM+Plex+Mono:wght@500;600&display=swap');

/* ========== Enterprise shell for Client / Admin / Superadmin ========== */
body.panel-shell {
  --radius: 10px;
  --panel-gap: clamp(0.85rem, 1.4vw, 1.35rem);
  --surface-line: color-mix(in srgb, var(--text) 8%, transparent);
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  background:
    radial-gradient(1200px 500px at 10% -10%, rgba(var(--primary-rgb), 0.12), transparent 55%),
    radial-gradient(900px 420px at 100% 0%, rgba(var(--primary-rgb), 0.06), transparent 50%),
    linear-gradient(180deg, color-mix(in srgb, var(--bg) 92%, #000) 0%, var(--bg) 40%, var(--bg) 100%);
  background-attachment: fixed;
}

body.panel-shell .top-nav {
  padding: 0.85rem clamp(1rem, 2.5vw, 2rem);
  background: color-mix(in srgb, var(--card) 78%, transparent);
  border-bottom: 1px solid var(--surface-line);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.22);
  backdrop-filter: blur(16px) saturate(1.2);
}

body.panel-shell .logo {
  letter-spacing: -0.02em;
  font-weight: 700;
  font-size: 1.15rem;
}
body.panel-shell .logo-mark {
  width: 34px;
  height: 34px;
}
body.panel-shell .logo-img {
  height: 36px;
  max-width: 150px;
}

body.panel-shell .nav-links {
  gap: 0.35rem;
}
body.panel-shell .nav-link {
  font-size: 0.84rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--muted) !important;
  padding: 0.45rem 0.7rem;
  border-radius: 8px;
  opacity: 1;
  transition: background 0.15s ease, color 0.15s ease;
}
body.panel-shell .nav-link:hover {
  background: color-mix(in srgb, var(--primary) 12%, transparent);
  color: var(--text) !important;
}
body.panel-shell .nav-link.balance {
  border-radius: 8px;
  border: 1px solid color-mix(in srgb, var(--primary) 45%, transparent);
  background: color-mix(in srgb, var(--primary) 10%, transparent);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.82rem;
  color: var(--primary) !important;
}

body.panel-shell .theme-preview-bar {
  height: 3px;
  border-radius: 0;
  margin: 0;
  opacity: 0.9;
}

body.panel-shell .main-wrap {
  padding: clamp(1rem, 2vw, 1.75rem) clamp(1rem, 2.5vw, 2rem) 2.5rem;
}

body.panel-shell .site-footer {
  border-top: 1px solid var(--surface-line);
  color: color-mix(in srgb, var(--muted) 85%, transparent);
  font-size: 0.8rem;
  letter-spacing: 0.02em;
}

/* Page headers */
body.panel-shell .page-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 0.75rem 1.25rem;
  margin-bottom: 1.35rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--surface-line);
}
body.panel-shell .page-head h1 {
  font-size: clamp(1.35rem, 2vw, 1.75rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin: 0;
}
body.panel-shell .page-head .muted,
body.panel-shell .page-head > p {
  margin: 0.2rem 0 0;
  font-size: 0.9rem;
  color: var(--muted);
}

/* KPI / metric cards */
body.panel-shell .cards-grid,
body.panel-shell .stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--panel-gap);
  margin: 0 0 1.35rem;
}
body.panel-shell .stat-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--surface-line);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--card) 88%, #fff) 0%, var(--card) 100%);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.18);
  padding: 1.05rem 1.15rem 1.15rem;
  border-top: none;
}
body.panel-shell .stat-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: linear-gradient(180deg, var(--primary), var(--secondary));
}
body.panel-shell .stat-card::after {
  content: "";
  position: absolute;
  top: -40%;
  right: -20%;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(var(--primary-rgb), 0.16), transparent 70%);
  pointer-events: none;
}
body.panel-shell .stat-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.55rem;
}
body.panel-shell .stat-value {
  font-family: "IBM Plex Mono", monospace;
  font-size: clamp(1.25rem, 2vw, 1.55rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text) !important;
  line-height: 1.15;
}
body.panel-shell .stat-card .positive,
body.panel-shell .stat-card .negative {
  display: inline-block;
  margin-top: 0.45rem;
  font-size: 0.75rem;
  font-weight: 600;
  font-family: "IBM Plex Mono", monospace;
}

/* Panels / content surfaces */
body.panel-shell .panel {
  border: 1px solid var(--surface-line);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--card) 96%, #000);
  box-shadow: 0 12px 34px rgba(0, 0, 0, 0.2);
  padding: 1.2rem 1.25rem 1.35rem;
}
body.panel-shell .panel > h2,
body.panel-shell .panel h2 {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
}
body.panel-shell .panel h3 {
  font-size: 0.95rem;
  font-weight: 650;
  letter-spacing: -0.01em;
  margin: 1.25rem 0 0.75rem;
  color: color-mix(in srgb, var(--text) 92%, var(--primary));
}

/* Buttons */
body.panel-shell .btn {
  border-radius: 8px;
  padding: 0.65rem 1.05rem;
  font-weight: 650;
  font-size: 0.88rem;
  letter-spacing: 0.01em;
  box-shadow: 0 6px 18px rgba(var(--primary-rgb), 0.28);
}
body.panel-shell .btn-small {
  border-radius: 7px;
  padding: 0.4rem 0.75rem;
  font-size: 0.78rem;
}
body.panel-shell .btn-secondary {
  background: color-mix(in srgb, var(--card) 70%, #000) !important;
  border: 1px solid var(--surface-line) !important;
  color: var(--text) !important;
  box-shadow: none !important;
}

/* Forms */
body.panel-shell .form-group label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}
body.panel-shell .form-group input,
body.panel-shell .form-group select,
body.panel-shell .form-group textarea,
body.panel-shell .input-group input,
body.panel-shell .input-group select,
body.panel-shell .input-group textarea {
  border-radius: 8px;
  background: color-mix(in srgb, var(--bg) 70%, #000) !important;
  border: 1px solid var(--surface-line) !important;
  font-size: 0.9rem;
  padding: 0.7rem 0.85rem;
}
body.panel-shell .form-group input:focus,
body.panel-shell .form-group select:focus,
body.panel-shell .form-group textarea:focus {
  border-color: color-mix(in srgb, var(--primary) 65%, transparent) !important;
  box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.15) !important;
}

/* Enterprise data tables */
body.panel-shell .table-wrap {
  border: 1px solid var(--surface-line);
  border-radius: 8px;
  background: color-mix(in srgb, var(--bg) 55%, var(--card));
}
body.panel-shell table.table {
  margin: 0;
  border-collapse: separate;
  border-spacing: 0;
}
body.panel-shell table.table thead th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: color-mix(in srgb, var(--card) 88%, #000);
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 650;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  padding: 0.75rem 0.9rem;
  border-bottom: 1px solid var(--surface-line);
}
body.panel-shell table.table tbody td {
  padding: 0.8rem 0.9rem;
  font-size: 0.88rem;
  border-bottom: 1px solid color-mix(in srgb, var(--text) 5%, transparent);
  vertical-align: middle;
  word-break: break-word;
}
body.panel-shell .table-wrap {
  overflow: auto;
}
body.panel-shell table.table tbody tr:hover td {
  background: color-mix(in srgb, var(--primary) 6%, transparent);
}
body.panel-shell table.table tbody tr:last-child td {
  border-bottom: none;
}
body.panel-shell table.table td code {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.78rem;
  color: var(--primary);
  background: color-mix(in srgb, var(--primary) 10%, transparent);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
}

body.panel-shell .badge {
  border-radius: 6px;
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.22rem 0.5rem;
}

/* Admin / Superadmin shell */
body.panel-shell .admin-grid {
  gap: var(--panel-gap);
  min-height: calc(100vh - 140px);
  grid-template-columns: 250px minmax(0, 1fr);
}
body.panel-shell .admin-sidebar {
  border: 1px solid var(--surface-line);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--card) 92%, #fff), var(--card));
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.2);
  padding: 0.85rem 0.7rem;
}
body.panel-shell .admin-sidebar::before {
  content: "CONTROL CENTER";
  display: block;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--muted);
  padding: 0.35rem 0.75rem 0.85rem;
  border-bottom: 1px solid var(--surface-line);
  margin-bottom: 0.65rem;
}
body.panel-shell .admin-menu-item {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0 0 0.25rem;
  padding: 0.7rem 0.8rem;
  border-radius: 8px;
  font-size: 0.86rem;
  font-weight: 600;
  color: color-mix(in srgb, var(--text) 82%, var(--muted));
  border: 1px solid transparent;
  background: transparent;
  box-shadow: none !important;
  transition: all 0.15s ease;
}
body.panel-shell .admin-menu-item:hover {
  background: color-mix(in srgb, var(--primary) 10%, transparent) !important;
  color: var(--text) !important;
  border-color: color-mix(in srgb, var(--primary) 20%, transparent);
}
body.panel-shell .admin-menu-item.active {
  background: color-mix(in srgb, var(--primary) 16%, transparent) !important;
  color: var(--text) !important;
  border-color: color-mix(in srgb, var(--primary) 35%, transparent);
  box-shadow: inset 3px 0 0 var(--primary) !important;
}
body.panel-shell .admin-content .panel {
  min-height: calc(100vh - 180px);
}

/* Theme cards in superadmin */
body.panel-shell .theme-card,
body.panel-shell .feature-card {
  border: 1px solid var(--surface-line) !important;
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--card) 94%, #000);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.16);
}
body.panel-shell .theme-swatch {
  height: 64px;
  border-radius: 8px;
  margin-bottom: 0.75rem;
}

/* Modals */
body.panel-shell .modal-content {
  border-radius: 12px !important;
  border-width: 1px !important;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(var(--primary-rgb), 0.25) !important;
}
body.panel-shell .modal-header {
  border-bottom: 1px solid var(--surface-line);
  background: color-mix(in srgb, var(--card) 92%, #000);
}
body.panel-shell .modal-title {
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

/* Flash */
body.panel-shell .flash {
  width: min(720px, calc(100% - 2rem));
  margin: 0.85rem auto 0;
  border-radius: 8px;
  border: 1px solid var(--surface-line);
  backdrop-filter: blur(10px);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.22);
}
body.panel-shell .flash-success {
  background: color-mix(in srgb, var(--primary) 14%, var(--card));
  color: var(--text);
  border-color: color-mix(in srgb, var(--primary) 35%, transparent);
}
body.panel-shell .flash-error {
  background: color-mix(in srgb, #ff4d6d 12%, var(--card));
}

@media (max-width: 1200px) {
  body.panel-shell .cards-grid,
  body.panel-shell .stats-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 980px) {
  body.panel-shell .admin-grid {
    grid-template-columns: 1fr;
  }
  body.panel-shell .admin-sidebar {
    position: static;
  }
  body.panel-shell .admin-sidebar::before {
    content: "NAVIGATION";
  }
}
@media (max-width: 640px) {
  body.panel-shell .cards-grid,
  body.panel-shell .stats-grid {
    grid-template-columns: 1fr;
  }
}