/* Nexwall License Server - Dark Theme */
:root {
  --nx-bg: #0f172a;
  --nx-surface: #1e293b;
  --nx-surface-hover: #334155;
  --nx-border: #334155;
  --nx-border-light: #475569;
  --nx-text: #f1f5f9;
  --nx-text-muted: #94a3b8;
  --nx-primary: #0056b3;
  --nx-primary-hover: #004494;
  --nx-secondary: #00a8e8;
  --nx-danger: #ef4444;
  --nx-danger-hover: #dc2626;
  --nx-success: #22c55e;
  --nx-warning: #f59e0b;
  --nx-info: #3b82f6;
  --nx-radius: 12px;
  --nx-radius-sm: 8px;
  --nx-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
}

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

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--nx-bg);
  color: var(--nx-text);
  min-height: 100vh;
  line-height: 1.5;
}

#app { display: flex; min-height: 100vh; }

/* Sidebar */
.sidebar {
  width: 260px;
  background: var(--nx-surface);
  border-right: 1px solid var(--nx-border);
  display: flex;
  flex-direction: column;
  position: fixed;
  height: 100vh;
  z-index: 100;
}

.sidebar-brand {
  padding: 1.5rem;
  border-bottom: 1px solid var(--nx-border);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.125rem;
  font-weight: 600;
}

.sidebar-nav {
  flex: 1;
  padding: 1rem 0;
  display: flex;
  flex-direction: column;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.875rem 1.5rem;
  color: var(--nx-text-muted);
  text-decoration: none;
  border-left: 3px solid transparent;
  transition: all 0.2s;
  font-size: 0.9375rem;
}

.nav-item:hover {
  color: var(--nx-text);
  background: rgba(255,255,255,0.03);
  border-left-color: var(--nx-border-light);
}

.nav-item.active {
  color: var(--nx-secondary);
  background: rgba(0,168,232,0.08);
  border-left-color: var(--nx-secondary);
}

.nav-icon { font-size: 1.125rem; width: 24px; text-align: center; }

.sidebar-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--nx-border);
}

.user-info { display: flex; flex-direction: column; margin-bottom: 0.75rem; }
.user-name { font-weight: 500; font-size: 0.9375rem; }
.user-role { font-size: 0.75rem; color: var(--nx-text-muted); text-transform: uppercase; letter-spacing: 0.05em; }

.logout-link {
  color: var(--nx-danger);
  text-decoration: none;
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.logout-link:hover { color: var(--nx-danger-hover); }

/* Main Content */
.main-content {
  flex: 1;
  margin-left: 260px;
  padding: 2rem;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Flash Messages */
.flash-messages { margin-bottom: 1.5rem; }
.flash {
  padding: 1rem 1.25rem;
  border-radius: var(--nx-radius-sm);
  margin-bottom: 0.75rem;
  font-size: 0.9375rem;
}
.flash-success { background: rgba(34,197,94,0.1); border: 1px solid rgba(34,197,94,0.3); color: var(--nx-success); }
.flash-error { background: rgba(239,68,68,0.1); border: 1px solid rgba(239,68,68,0.3); color: var(--nx-danger); }
.flash-warning { background: rgba(245,158,11,0.1); border: 1px solid rgba(245,158,11,0.3); color: var(--nx-warning); }

/* Page Header */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--nx-border);
}
.page-header h1 { font-size: 1.75rem; font-weight: 600; }
.page-header .meta { color: var(--nx-text-muted); font-size: 0.875rem; margin-left: 1rem; }
.page-header .actions { display: flex; gap: 0.75rem; }

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
}
.stat-card {
  background: var(--nx-surface);
  border: 1px solid var(--nx-border);
  border-radius: var(--nx-radius);
  padding: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  transition: transform 0.2s, box-shadow 0.2s;
}
.stat-card:hover { transform: translateY(-2px); box-shadow: var(--nx-shadow); }
.stat-icon {
  width: 48px; height: 48px;
  border-radius: var(--nx-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}
.stat-info { display: flex; flex-direction: column; }
.stat-value { font-size: 1.75rem; font-weight: 700; line-height: 1; }
.stat-label { font-size: 0.875rem; color: var(--nx-text-muted); margin-top: 0.25rem; }

/* Dashboard Grid */
.dashboard-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(480px, 1fr)); gap: 1.5rem; }

/* Panels */
.panel {
  background: var(--nx-surface);
  border: 1px solid var(--nx-border);
  border-radius: var(--nx-radius);
  overflow: hidden;
}
.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--nx-border);
}
.panel-header h2 { font-size: 1.125rem; font-weight: 600; }
.panel-header a { color: var(--nx-secondary); text-decoration: none; font-size: 0.875rem; }
.panel-header a:hover { text-decoration: underline; }

/* Data Tables */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}
.data-table th {
  text-align: left;
  padding: 1rem 1.5rem;
  color: var(--nx-text-muted);
  font-weight: 500;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--nx-border);
}
.data-table td {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--nx-border);
  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 .empty { text-align: center; color: var(--nx-text-muted); padding: 3rem; }
.data-table code {
  background: var(--nx-bg);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-family: 'SF Mono', monospace;
  font-size: 0.8125rem;
}
.data-table .actions { display: flex; gap: 0.5rem; }
.data-table.compact th, .data-table.compact td { padding: 0.75rem 1rem; }

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: capitalize;
}
.badge-active { background: rgba(34,197,94,0.15); color: var(--nx-success); }
.badge-inactive, .badge-suspended, .badge-revoked, .badge-expired { background: rgba(239,68,68,0.15); color: var(--nx-danger); }
.badge-admin, .badge-superadmin { background: rgba(0,168,232,0.15); color: var(--nx-secondary); }
.badge-offline, .badge-limit_exceeded, .badge-invalid { background: rgba(245,158,11,0.15); color: var(--nx-warning); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  border-radius: var(--nx-radius-sm);
  font-size: 0.9375rem;
  font-weight: 500;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}
.btn:hover { opacity: 0.9; transform: translateY(-1px); }
.btn-primary { background: var(--nx-primary); color: #fff; }
.btn-secondary { background: var(--nx-surface-hover); color: var(--nx-text); border: 1px solid var(--nx-border); }
.btn-danger { background: var(--nx-danger); color: #fff; }
.btn-small { padding: 0.35rem 0.75rem; font-size: 0.8125rem; }
.btn-block { width: 100%; }

/* Forms */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
  padding: 1.5rem;
}
.form-group { display: flex; flex-direction: column; gap: 0.5rem; }
.form-group.full-width { grid-column: 1 / -1; }
.form-group label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--nx-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.form-group label .required { color: var(--nx-danger); }
.form-group input, .form-group select, .form-group textarea {
  padding: 0.75rem 1rem;
  border-radius: var(--nx-radius-sm);
  border: 1px solid var(--nx-border);
  background: var(--nx-bg);
  color: var(--nx-text);
  font-size: 1rem;
  font-family: inherit;
  transition: border-color 0.2s;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--nx-secondary);
}
.form-group small { font-size: 0.8125rem; color: var(--nx-text-muted); }
.form-actions { display: flex; gap: 1rem; padding-top: 1rem; border-top: 1px solid var(--nx-border); }

/* Detail Grid */
.detail-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(400px, 1fr)); gap: 1.5rem; }
.detail-list { padding: 1rem 1.5rem; }
.detail-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.875rem 0;
  border-bottom: 1px solid var(--nx-border);
}
.detail-item:last-child { border-bottom: none; }
.detail-item .label { color: var(--nx-text-muted); font-size: 0.875rem; }
.detail-item .value { font-weight: 500; display: flex; align-items: center; gap: 0.75rem; }
.detail-item .value.secret code {
  background: var(--nx-bg);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-family: monospace;
  font-size: 0.8125rem;
}

/* Code Block */
.code-block {
  background: var(--nx-bg);
  border: 1px solid var(--nx-border);
  border-radius: var(--nx-radius-sm);
  padding: 1.5rem;
  margin: 1rem 0;
  position: relative;
}
.code-block pre {
  font-family: 'SF Mono', monospace;
  font-size: 0.8125rem;
  line-height: 1.6;
  overflow-x: auto;
  color: var(--nx-text-muted);
}
.help-text { color: var(--nx-text-muted); font-size: 0.875rem; margin-bottom: 0.75rem; }
.help-text code { background: var(--nx-bg); padding: 0.15rem 0.35rem; border-radius: 4px; font-family: monospace; }

/* Login Page */
.login-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 2rem;
}
.login-card {
  background: var(--nx-surface);
  border: 1px solid var(--nx-border);
  border-radius: var(--nx-radius);
  padding: 2.5rem;
  width: 100%;
  max-width: 420px;
  box-shadow: var(--nx-shadow);
}
.login-brand { text-align: center; margin-bottom: 2rem; }
.login-brand h1 { font-size: 1.5rem; font-weight: 600; margin-bottom: 0.25rem; }
.login-brand p { color: var(--nx-text-muted); font-size: 0.9375rem; }
.login-form { display: flex; flex-direction: column; gap: 1.25rem; }
.login-form .form-group label { text-transform: none; letter-spacing: normal; font-size: 0.9375rem; }
.login-footer { margin-top: 2rem; text-align: center; }

/* Footer */
.main-footer {
  margin-top: auto;
  padding-top: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--nx-text-muted);
  font-size: 0.875rem;
}
.powered-by { display: flex; align-items: center; gap: 0.5rem; }

/* Responsive */
@media (max-width: 768px) {
  .sidebar { width: 100%; position: relative; height: auto; }
  .main-content { margin-left: 0; }
  #app { flex-direction: column; }
  .stats-grid, .dashboard-grid, .detail-grid { grid-template-columns: 1fr; }
}