@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  color-scheme: dark;
  --bg-base: #07090e;
  --bg-sidebar: #0b0e17;
  --bg-card: rgba(15, 20, 32, 0.7);
  --bg-card-hover: rgba(22, 29, 46, 0.85);
  --bg-card-solid: #0f1420;
  --bg-input: #080a11;
  
  --border: rgba(255, 255, 255, 0.08);
  --border-subtle: rgba(255, 255, 255, 0.04);
  --border-focus: rgba(99, 102, 241, 0.6);
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  --primary: #6366f1;
  --primary-glow: rgba(99, 102, 241, 0.35);
  --primary-hover: #4f46e5;
  --primary-bg: rgba(99, 102, 241, 0.12);
  
  --accent-cyan: #06b6d4;
  --accent-purple: #a855f7;
  
  --success: #10b981;
  --success-bg: rgba(16, 185, 129, 0.12);
  --success-border: rgba(16, 185, 129, 0.25);
  
  --warning: #f59e0b;
  --warning-bg: rgba(245, 158, 11, 0.12);
  --warning-border: rgba(245, 158, 11, 0.25);
  
  --danger: #ef4444;
  --danger-bg: rgba(239, 68, 68, 0.12);
  --danger-border: rgba(239, 68, 68, 0.25);
  --danger-hover: #dc2626;

  --sidebar-w: 260px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 18px;
  
  --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.5), 0 0 1px 1px rgba(255, 255, 255, 0.04);
  --shadow-modal: 0 25px 60px -15px rgba(0, 0, 0, 0.8), 0 0 1px 1px rgba(255, 255, 255, 0.1);
  --shadow-glow: 0 0 25px -5px var(--primary-glow);
}

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

body {
  background-color: var(--bg-base);
  background-image: 
    radial-gradient(at 0% 0%, rgba(99, 102, 241, 0.12) 0px, transparent 45%),
    radial-gradient(at 100% 100%, rgba(168, 85, 247, 0.08) 0px, transparent 50%),
    radial-gradient(at 50% 30%, rgba(6, 182, 212, 0.04) 0px, transparent 55%);
  background-attachment: fixed;
  color: var(--text-main);
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* Layout Shell: Sidebar + Content Area */
.app-shell {
  display: flex;
  min-height: 100vh;
}

/* Sidebar (Desktop) */
.sidebar {
  width: var(--sidebar-w);
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 100;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.sidebar-header {
  padding: 24px 20px 20px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--border-subtle);
}

.brand-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent-purple) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px var(--primary-glow);
  color: #fff;
  font-weight: 800;
  font-size: 18px;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-size: 17px;
  font-weight: 800;
  letter-spacing: 0.5px;
  color: #fff;
}

.brand-subtitle {
  font-size: 11px;
  color: var(--text-dim);
  font-weight: 600;
  letter-spacing: 0.5px;
}

.sidebar-nav {
  padding: 20px 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
  overflow-y: auto;
}

.nav-section-title {
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-dim);
  font-weight: 700;
  padding: 12px 12px 6px 12px;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 600;
  font-size: 13.5px;
  transition: all 0.15s ease;
}

.nav-link svg {
  width: 18px;
  height: 18px;
  stroke-width: 2;
  opacity: 0.75;
  transition: opacity 0.15s ease;
}

.nav-link:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.04);
}

.nav-link:hover svg {
  opacity: 1;
}

.nav-link.active {
  color: #fff;
  background: var(--primary-bg);
  border: 1px solid rgba(99, 102, 241, 0.25);
  box-shadow: 0 2px 10px rgba(99, 102, 241, 0.15);
}

.nav-link.active svg {
  stroke: var(--primary);
  opacity: 1;
}

.sidebar-footer {
  padding: 16px 18px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.server-status-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 500;
  padding: 6px 10px;
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid var(--success-border);
  border-radius: 20px;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 8px var(--success);
}

.sidebar-user {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.user-info {
  display: flex;
  flex-direction: column;
}

.user-name {
  font-size: 13px;
  font-weight: 700;
  color: #fff;
}

.user-role {
  font-size: 11px;
  color: var(--text-dim);
}

/* Mobile Header Bar */
.mobile-topbar {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 60px;
  background: rgba(11, 14, 23, 0.9);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 0 18px;
  align-items: center;
  justify-content: space-between;
  z-index: 90;
}

.hamburger-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: #fff;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  z-index: 95;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

/* Main Content Body */
.main-wrapper {
  margin-left: var(--sidebar-w);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.content-container {
  padding: 32px 36px;
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
}

/* Page Header & Actions */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 28px;
}

.page-title-group h1 {
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: #fff;
  margin-bottom: 4px;
}

.page-title-group p {
  color: var(--text-muted);
  font-size: 13.5px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Stat Grid Cards */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-bottom: 32px;
}

.stat-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 22px 24px;
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.stat-card:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.15);
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent-cyan));
  opacity: 0.8;
}

.stat-card.card-purple::before {
  background: linear-gradient(90deg, var(--accent-purple), var(--primary));
}

.stat-card.card-amber::before {
  background: linear-gradient(90deg, var(--warning), #f97316);
}

.stat-card.card-cyan::before {
  background: linear-gradient(90deg, var(--accent-cyan), var(--success));
}

.stat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.stat-label {
  font-size: 12.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-muted);
}

.stat-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
}

.stat-value {
  font-size: 34px;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: #fff;
  line-height: 1.1;
  font-feature-settings: "cv02", "cv03", "cv04", "cv11";
}

/* Glass Panels & Sections */
.panel {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-card);
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 12px;
}

.panel-title {
  font-size: 17px;
  font-weight: 700;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 10px;
}

.panel-title::before {
  content: '';
  width: 4px;
  height: 16px;
  background: var(--primary);
  border-radius: 2px;
  box-shadow: 0 0 10px var(--primary);
}

/* Filter Toolbar */
.filter-toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.search-input-wrap {
  position: relative;
  min-width: 240px;
}

.search-input-wrap svg {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  color: var(--text-dim);
  pointer-events: none;
}

.search-input-wrap input {
  padding-left: 36px;
  width: 100%;
}

/* Modern Data Tables */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
}

table {
  width: 100%;
  border-collapse: collapse;
  white-space: nowrap;
}

th {
  background: rgba(255, 255, 255, 0.02);
  color: var(--text-muted);
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  padding: 14px 18px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

td {
  padding: 14px 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
  font-size: 13.5px;
  color: var(--text-main);
  vertical-align: middle;
}

tr:last-child td {
  border-bottom: none;
}

tr:hover td {
  background: rgba(255, 255, 255, 0.015);
}

/* Badges & Tags */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 9px;
  border-radius: 20px;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.3px;
  text-transform: capitalize;
}

.badge-active {
  background: var(--success-bg);
  color: #34d399;
  border: 1px solid var(--success-border);
}

.badge-banned {
  background: var(--danger-bg);
  color: #f87171;
  border: 1px solid var(--danger-border);
}

.badge-revoked {
  background: var(--warning-bg);
  color: #fbbf24;
  border: 1px solid var(--warning-border);
}

.badge-tier {
  background: rgba(99, 102, 241, 0.12);
  color: #a5b4fc;
  border: 1px solid rgba(99, 102, 241, 0.3);
  text-transform: uppercase;
  font-size: 10.5px;
}

.mono-tag {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 12.5px;
  color: #cbd5e1;
  background: rgba(0, 0, 0, 0.3);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

/* Buttons */
.btn {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-hover) 100%);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
  padding: 9px 18px;
  cursor: pointer;
  font-family: inherit;
  font-weight: 600;
  font-size: 13px;
  box-shadow: 0 4px 14px 0 rgba(99, 102, 241, 0.3);
  transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  text-decoration: none;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px 0 rgba(99, 102, 241, 0.45);
  filter: brightness(1.08);
}

.btn:active {
  transform: translateY(0);
}

.btn.btn-sm {
  padding: 5px 11px;
  font-size: 12px;
  border-radius: var(--radius-sm);
  box-shadow: none;
}

.btn.btn-ghost {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-muted);
  border: 1px solid var(--border);
  box-shadow: none;
}

.btn.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.2);
}

.btn.btn-danger {
  background: linear-gradient(135deg, var(--danger) 0%, var(--danger-hover) 100%);
  box-shadow: 0 4px 14px 0 rgba(239, 68, 68, 0.35);
  color: #fff;
  border: none;
}

.btn.btn-danger:hover {
  box-shadow: 0 6px 20px 0 rgba(239, 68, 68, 0.5);
}

.action-group {
  display: flex;
  gap: 6px;
}

/* Forms & Inputs */
input[type="text"],
input[type="password"],
input:not([type="checkbox"]),
select {
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text-main);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  font-family: inherit;
  font-size: 13.5px;
  transition: all 0.2s ease;
  outline: none;
}

input:focus,
select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
  background: #0b0e18;
}

select {
  cursor: pointer;
}

.form-group {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 7px;
}

.form-hint {
  font-size: 11.5px;
  color: var(--text-dim);
  margin-top: 5px;
}

/* Custom Checkbox */
.custom-checkbox {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  user-select: none;
  font-weight: 500;
  font-size: 13.5px;
}

.custom-checkbox input {
  width: 17px;
  height: 17px;
  accent-color: var(--primary);
  cursor: pointer;
}

/* Modals */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.modal-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-dialog {
  background: var(--bg-card-solid);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 480px;
  padding: 26px 28px;
  box-shadow: var(--shadow-modal);
  transform: scale(0.96);
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
}

.modal-backdrop.open .modal-dialog {
  transform: scale(1);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}

.modal-title {
  font-size: 18px;
  font-weight: 800;
  color: #fff;
}

.modal-close-btn {
  background: transparent;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  transition: color 0.15s ease, background 0.15s ease;
}

.modal-close-btn:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
}

.modal-body {
  margin-bottom: 24px;
}

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}

/* Key Display in Modal */
.key-box {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 14px 0;
}

.key-code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 15px;
  font-weight: 600;
  color: #a5b4fc;
  letter-spacing: 0.5px;
  user-select: all;
  word-break: break-all;
}

/* Toast Notifications */
#toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 300;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  background: #1e293b;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  padding: 12px 18px;
  color: #fff;
  font-size: 13.5px;
  font-weight: 500;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  gap: 10px;
  transform: translateY(20px);
  opacity: 0;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

.toast.toast-success {
  border-color: var(--success-border);
}

.toast.toast-danger {
  border-color: var(--danger-border);
}

/* Commercial Login Screen */
.login-shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.login-card {
  width: 100%;
  max-width: 420px;
  background: var(--bg-card-solid);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 36px 32px;
  box-shadow: var(--shadow-modal);
  position: relative;
  overflow: hidden;
}

.login-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent-purple));
}

.login-header {
  text-align: center;
  margin-bottom: 28px;
}

.login-header .brand-icon {
  margin: 0 auto 16px auto;
  width: 46px;
  height: 46px;
  font-size: 22px;
}

.login-header h1 {
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 4px;
}

.login-header p {
  color: var(--text-dim);
  font-size: 13px;
}

.login-card .form-group input {
  width: 100%;
}

.login-card .btn {
  width: 100%;
  padding: 12px;
  font-size: 14px;
  margin-top: 8px;
}

/* Responsive Media Queries (Mobile & Tablet) */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .mobile-overlay.open {
    display: block;
    opacity: 1;
    pointer-events: auto;
  }

  .mobile-topbar {
    display: flex;
  }

  .main-wrapper {
    margin-left: 0;
    padding-top: 60px;
  }

  .content-container {
    padding: 20px 16px;
  }

  .page-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .stat-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .filter-toolbar {
    width: 100%;
  }

  .search-input-wrap {
    width: 100%;
  }
}