/* ============================================================
   LICENSE SERVER ADMIN UI — style.css
   Modern responsive dark glassmorphism theme with electric blue accent
   ============================================================ */

/* ---- CSS Variables ---- */
:root {
  --bg:            #0d0d0d;
  --bg-card:       #141414;
  --bg-card-2:     #1a1a1a;
  --bg-hover:      #202020;
  --border:        rgba(255, 255, 255, 0.08);
  --border-focus:  rgba(79, 156, 249, 0.5);

  --accent:        #4f9cf9;
  --accent-glow:   rgba(79, 156, 249, 0.25);
  --accent-hover:  #6aabfa;
  --purple:        #a855f7;
  --purple-glow:   rgba(168, 85, 247, 0.25);
  --success:       #22c55e;
  --success-bg:    rgba(34, 197, 94, 0.12);
  --warning:       #f59e0b;
  --warning-bg:    rgba(245, 158, 11, 0.12);
  --danger:        #ef4444;
  --danger-bg:     rgba(239, 68, 68, 0.12);
  --gray:          #6b7280;
  --gray-bg:       rgba(107, 114, 128, 0.15);

  --text:          #f1f5f9;
  --text-muted:    #94a3b8;
  --text-dim:      #64748b;

  --sidebar-w:     240px;
  --topbar-h:      60px;
  --radius:        12px;
  --radius-sm:     8px;
  --radius-xs:     4px;

  --transition:    0.2s ease;
  --glass-blur:    blur(12px);

  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  background-image:
    radial-gradient(ellipse at 20% 20%, rgba(79,156,249,0.04) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 80%, rgba(168,85,247,0.04) 0%, transparent 60%),
    linear-gradient(rgba(255,255,255,0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.015) 1px, transparent 1px);
  background-size: auto, auto, 40px 40px, 40px 40px;
}

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

button {
  cursor: pointer;
  font-family: var(--font);
}
input, select, textarea {
  font-family: var(--font);
}

/* ---- Scrollbar ---- */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: rgba(255,255,255,0.12);
  border-radius: 99px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(255,255,255,0.22);
}

/* ---- SVG Icons ---- */
.icon {
  display: inline-block;
  width: 18px;
  height: 18px;
  vertical-align: middle;
  flex-shrink: 0;
}
.icon-sm { width: 14px; height: 14px; }
.icon-lg { width: 22px; height: 22px; }
.icon-xl { width: 28px; height: 28px; }

/* ---- App Layout ---- */
#app {
  display: flex;
  min-height: 100vh;
  width: 100%;
}
.app-layout {
  display: flex;
  width: 100%;
  min-height: 100vh;
  position: relative;
}

/* ---- Login Page ---- */
.login-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 100vh;
  padding: 24px;
}

.login-card {
  width: 100%;
  max-width: 420px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 40px 32px;
  box-shadow:
    0 0 0 1px rgba(79,156,249,0.1),
    0 25px 50px rgba(0,0,0,0.5),
    0 0 80px rgba(79,156,249,0.06);
  animation: fadeScaleIn 0.35s ease;
}

.login-header {
  text-align: center;
  margin-bottom: 28px;
}
.login-logo {
  width: 52px;
  height: 52px;
  margin: 0 auto 16px;
  background: linear-gradient(135deg, rgba(79,156,249,0.2), rgba(168,85,247,0.2));
  border: 1px solid rgba(79,156,249,0.3);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 24px var(--accent-glow);
}
.login-header h2 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 6px;
}
.login-header p {
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* ---- Sidebar Navigation (Desktop Default) ---- */
.sidebar {
  width: var(--sidebar-w);
  min-height: 100vh;
  background: var(--bg-card);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  z-index: 100;
  transition: width var(--transition), transform var(--transition);
  overflow-x: hidden;
  overflow-y: auto;
}

.sidebar.collapsed {
  width: 64px;
}
.sidebar.collapsed .sidebar-logo-text,
.sidebar.collapsed .nav-label,
.sidebar.collapsed .nav-badge,
.sidebar.collapsed .user-info,
.sidebar.collapsed .logout-btn {
  opacity: 0;
  width: 0;
  overflow: hidden;
  pointer-events: none;
}

.sidebar-header {
  height: var(--topbar-h);
  display: flex;
  align-items: center;
  padding: 0 16px;
  border-bottom: 1px solid var(--border);
  gap: 12px;
  flex-shrink: 0;
}

.sidebar-logo-icon {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  background: linear-gradient(135deg, var(--accent), var(--purple));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 12px var(--accent-glow);
}

.sidebar-logo-text {
  font-size: 0.95rem;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  transition: opacity var(--transition);
}

.sidebar-close-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-muted);
  padding: 6px;
  border-radius: var(--radius-sm);
  margin-left: auto;
  transition: all var(--transition);
}
.sidebar-close-btn:hover {
  background: var(--bg-hover);
  color: var(--text);
}

.sidebar-nav {
  flex: 1;
  padding: 12px 8px;
  overflow-y: auto;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  position: relative;
  margin-bottom: 2px;
  user-select: none;
}

.nav-item:hover {
  background: var(--bg-hover);
  color: var(--text);
}

.nav-item.active {
  background: rgba(79,156,249,0.12);
  color: var(--accent);
}

.nav-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 18%;
  bottom: 18%;
  width: 3px;
  background: var(--accent);
  border-radius: 0 2px 2px 0;
  box-shadow: 0 0 8px var(--accent-glow);
}

.nav-label {
  flex: 1;
  transition: opacity var(--transition);
}

.nav-badge {
  background: var(--danger);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 99px;
  line-height: 1;
  flex-shrink: 0;
  box-shadow: 0 0 8px rgba(239,68,68,0.4);
}

.sidebar-footer {
  padding: 12px 8px;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  transition: background var(--transition);
  overflow: hidden;
}
.sidebar-user:hover {
  background: var(--bg-hover);
}

.user-avatar {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--purple));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: #fff;
}

.user-info {
  overflow: hidden;
  transition: opacity var(--transition);
}
.user-info .user-name {
  font-size: 0.82rem;
  font-weight: 600;
  white-space: nowrap;
}
.user-info .user-role {
  font-size: 0.7rem;
  color: var(--text-muted);
  white-space: nowrap;
}

.logout-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  padding: 6px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  flex-shrink: 0;
  margin-left: auto;
  display: flex;
}
.logout-btn:hover {
  color: var(--danger);
  background: var(--danger-bg);
}

/* Sidebar Backdrop for Mobile */
.sidebar-backdrop {
  display: none;
}

/* ---- Main Content Area ---- */
.main-area {
  margin-left: var(--sidebar-w);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-width: 0;
  transition: margin-left var(--transition);
}
.sidebar.collapsed ~ .main-area {
  margin-left: 64px;
}

/* ---- Topbar ---- */
.topbar {
  height: var(--topbar-h);
  background: rgba(20,20,20,0.85);
  backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: 90;
}

.topbar-toggle {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 7px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition);
  flex-shrink: 0;
}
.topbar-toggle:hover {
  background: var(--bg-hover);
  color: var(--text);
  border-color: rgba(255,255,255,0.2);
}

.topbar-title {
  font-size: 1.1rem;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

/* ---- Page Content ---- */
.page-content {
  flex: 1;
  padding: 24px;
  overflow-y: auto;
  min-width: 0;
}

/* ---- Cards ---- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 4px 24px rgba(0,0,0,0.3);
  overflow: hidden;
}

.card-glass {
  background: rgba(20,20,20,0.75);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}

.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}
.card-header h3 {
  font-size: 1rem;
  font-weight: 600;
}
.card-header.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
}

.card-body {
  padding: 20px;
}

.card-footer {
  padding: 14px 20px;
  border-top: 1px solid var(--border);
}

/* ---- Actions & Flex Containers ---- */
.flex-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.grid-2-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.dashboard-grid {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* ---- Stats Cards ---- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  transition: all var(--transition);
  box-shadow: 0 2px 12px rgba(0,0,0,0.2);
}
.stat-card:hover {
  border-color: rgba(255,255,255,0.14);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}

.stat-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.stat-icon.blue   { background: rgba(79,156,249,0.15); color: var(--accent); box-shadow: 0 0 16px rgba(79,156,249,0.1); }
.stat-icon.green  { background: rgba(34,197,94,0.15); color: var(--success); }
.stat-icon.red    { background: rgba(239,68,68,0.15); color: var(--danger); }
.stat-icon.orange { background: rgba(245,158,11,0.15); color: var(--warning); }
.stat-icon.purple { background: rgba(168,85,247,0.15); color: var(--purple); }
.stat-icon.gray   { background: rgba(107,114,128,0.15); color: var(--gray); }

.stat-info {
  flex: 1;
  min-width: 0;
}
.stat-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.stat-value {
  font-size: 1.65rem;
  font-weight: 700;
  line-height: 1;
}
.stat-value.blue   { color: var(--accent); }
.stat-value.green  { color: var(--success); }
.stat-value.red    { color: var(--danger); }
.stat-value.orange { color: var(--warning); }
.stat-value.purple { color: var(--purple); }
.stat-value.gray   { color: var(--gray); }

/* ---- Guard Period Section ---- */
.guard-item {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  margin-bottom: 12px;
}
.guard-item:last-child {
  margin-bottom: 0;
}
.guard-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}
.progress-bar-wrap {
  height: 8px;
  background: rgba(255,255,255,0.06);
  border-radius: 99px;
  overflow: hidden;
}
.progress-bar-fill {
  height: 100%;
  border-radius: 99px;
  transition: width 0.6s ease;
}
.progress-warning {
  background: linear-gradient(90deg, var(--warning), #fbbf24);
  box-shadow: 0 0 8px rgba(245,158,11,0.4);
}
.progress-success {
  background: linear-gradient(90deg, var(--success), #4ade80);
}
.progress-danger {
  background: linear-gradient(90deg, var(--danger), #f87171);
}

/* ---- Tables ---- */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: 0 0 var(--radius) var(--radius);
}

.table {
  width: 100%;
  min-width: 680px;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.table thead th {
  padding: 12px 16px;
  text-align: left;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: rgba(255,255,255,0.02);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.table tbody td {
  padding: 12px 16px;
  color: var(--text);
  border-bottom: 1px solid rgba(255,255,255,0.03);
  vertical-align: middle;
  white-space: nowrap;
}

.table tbody tr:last-child td {
  border-bottom: none;
}
.table tbody tr:hover {
  background: rgba(255,255,255,0.025);
}

.copy-btn {
  cursor: pointer;
  transition: color var(--transition);
}
.copy-btn:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

/* ---- Badges ---- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 9px;
  border-radius: 99px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  white-space: nowrap;
  line-height: 1.3;
}
.badge::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  flex-shrink: 0;
}

.badge-success, .badge-active, .badge-approved, .badge-paid {
  background: var(--success-bg);
  color: var(--success);
}
.badge-success::before, .badge-active::before, .badge-approved::before, .badge-paid::before {
  background: var(--success);
  box-shadow: 0 0 4px var(--success);
}

.badge-warning, .badge-guard, .badge-pending {
  background: var(--warning-bg);
  color: var(--warning);
}
.badge-warning::before, .badge-guard::before, .badge-pending::before {
  background: var(--warning);
  box-shadow: 0 0 4px var(--warning);
}

.badge-danger, .badge-expired, .badge-rejected, .badge-overdue {
  background: var(--danger-bg);
  color: var(--danger);
}
.badge-danger::before, .badge-expired::before, .badge-rejected::before, .badge-overdue::before {
  background: var(--danger);
}

.badge-purple, .badge-company, .badge-per_machine, .badge-yearly {
  background: rgba(168,85,247,0.15);
  color: var(--purple);
}
.badge-purple::before, .badge-company::before, .badge-per_machine::before, .badge-yearly::before {
  background: var(--purple);
}

.badge-gray, .badge-revoked, .badge-free {
  background: var(--gray-bg);
  color: var(--gray);
}
.badge-gray::before, .badge-revoked::before, .badge-free::before {
  background: var(--gray);
}

.badge-outline, .badge-standard, .badge-private, .badge-per_person, .badge-half_year {
  background: rgba(79,156,249,0.1);
  color: var(--accent);
  border: 1px solid rgba(79,156,249,0.25);
}
.badge-outline::before, .badge-standard::before, .badge-private::before, .badge-per_person::before, .badge-half_year::before {
  background: var(--accent);
}

.badge-sm { font-size: 0.65rem; padding: 2px 7px; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  border: 1px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
  cursor: pointer;
  text-decoration: none;
}
.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  box-shadow: 0 0 20px var(--accent-glow);
}
.btn-primary:hover:not(:disabled) {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  box-shadow: 0 0 28px rgba(79,156,249,0.4);
  transform: translateY(-1px);
}

.btn-secondary {
  background: rgba(255,255,255,0.06);
  color: var(--text);
  border-color: var(--border);
}
.btn-secondary:hover:not(:disabled) {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.15);
}

.btn-success {
  background: var(--success);
  color: #fff;
  border-color: var(--success);
  box-shadow: 0 0 16px rgba(34,197,94,0.25);
}
.btn-success:hover:not(:disabled) {
  background: #16a34a;
  transform: translateY(-1px);
}

.btn-danger {
  background: var(--danger);
  color: #fff;
  border-color: var(--danger);
  box-shadow: 0 0 16px rgba(239,68,68,0.25);
}
.btn-danger:hover:not(:disabled) {
  background: #dc2626;
  transform: translateY(-1px);
}

.btn-warning {
  background: var(--warning);
  color: #000;
  border-color: var(--warning);
}
.btn-warning:hover:not(:disabled) {
  background: #d97706;
  transform: translateY(-1px);
}

.btn-ghost {
  background: none;
  color: var(--text-muted);
  border: 1px solid transparent;
  padding: 6px 12px;
}
.btn-ghost:hover:not(:disabled) {
  background: var(--bg-hover);
  color: var(--text);
}

.btn-icon {
  padding: 6px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.btn-icon:hover {
  background: var(--bg-hover);
  color: var(--text);
}

.btn-sm {
  padding: 5px 12px;
  font-size: 0.8rem;
}
.btn-xs {
  padding: 3px 9px;
  font-size: 0.75rem;
}
.btn-block {
  width: 100%;
}

/* ---- Form Controls ---- */
.form-group {
  margin-bottom: 18px;
}
.form-group:last-child {
  margin-bottom: 0;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.form-control, .form-input, .form-select, .form-textarea {
  width: 100%;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 0.875rem;
  padding: 9px 13px;
  transition: all var(--transition);
  outline: none;
}

.form-control:focus, .form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--border-focus);
  background: rgba(79,156,249,0.04);
  box-shadow: 0 0 0 3px rgba(79,156,249,0.12);
}

.form-control::placeholder, .form-input::placeholder {
  color: var(--text-dim);
}

.form-select, select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
  cursor: pointer;
}
.form-select option, select.form-control option {
  background: var(--bg-card-2);
  color: var(--text);
}

.form-textarea, textarea.form-control {
  resize: vertical;
  min-height: 80px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-row-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 16px;
}

/* ---- Modals ---- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.75);
  backdrop-filter: blur(4px);
  z-index: 1100;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 16px;
}
.modal-backdrop.active {
  display: flex;
  animation: fadeIn 0.15s ease;
}

.modal-card, .modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: 100%;
  max-width: 580px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 25px 60px rgba(0,0,0,0.6), 0 0 0 1px rgba(79,156,249,0.08);
  animation: fadeScaleIn 0.2s ease;
  overflow: hidden;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-card);
  flex-shrink: 0;
}
.modal-header h3 {
  font-size: 1.05rem;
  font-weight: 700;
}

.modal-body {
  padding: 20px;
  overflow-y: auto;
  flex: 1;
}

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  padding: 16px 20px;
  border-top: 1px solid var(--border);
  background: var(--bg-card);
  flex-shrink: 0;
}

/* ---- Slide-in Drawers ---- */
.drawer-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.65);
  backdrop-filter: blur(2px);
  z-index: 1050;
  display: none;
}
.drawer-backdrop.active {
  display: block;
  animation: fadeIn 0.2s ease;
}

.drawer-card, .drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 520px;
  max-width: 100vw;
  background: var(--bg-card);
  border-left: 1px solid var(--border);
  box-shadow: -20px 0 60px rgba(0,0,0,0.5);
  z-index: 1060;
  display: flex;
  flex-direction: column;
  animation: slideInRight 0.25s ease;
  overflow: hidden;
}

.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.drawer-header h3 {
  font-size: 1.05rem;
  font-weight: 700;
}

.drawer-body {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
}

.drawer-footer, .drawer-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 16px 20px;
  border-top: 1px solid var(--border);
  background: var(--bg-card);
  flex-shrink: 0;
}

/* ---- Toast Alerts ---- */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
  max-width: calc(100vw - 40px);
}

.toast {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  background: var(--bg-card-2);
  border: 1px solid var(--border);
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
  pointer-events: all;
  animation: toastIn 0.3s ease forwards;
  min-width: 280px;
  max-width: 380px;
  font-size: 0.85rem;
}
.toast.fade-out {
  animation: toastOut 0.3s ease forwards;
}

.toast-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.1rem;
  cursor: pointer;
  padding: 0 4px;
  line-height: 1;
}
.toast-close:hover {
  color: var(--text);
}

.toast-success { border-color: rgba(34,197,94,0.3); }
.toast-error   { border-color: rgba(239,68,68,0.3); }
.toast-warning { border-color: rgba(245,158,11,0.3); }
.toast-info    { border-color: rgba(79,156,249,0.3); }

/* ---- REST API Docs Card & Frame ---- */
.docs-card {
  display: flex;
  flex-direction: column;
  height: calc(100vh - var(--topbar-h) - 48px);
  min-height: 520px;
  overflow: hidden;
}

.docs-toolbar {
  padding: 12px 18px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  background: rgba(255,255,255,0.02);
}

.docs-toolbar-info {
  display: flex;
  align-items: center;
  gap: 8px;
}
.docs-title {
  font-weight: 600;
  font-size: 0.95rem;
}
.docs-toolbar-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.docs-frame-container {
  flex: 1;
  width: 100%;
  height: 100%;
  position: relative;
  background: #0d0d0d;
}

.docs-iframe {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}

.docs-footer-tip {
  padding: 8px 18px;
  border-top: 1px solid var(--border);
  font-size: 0.78rem;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(0,0,0,0.25);
  flex-wrap: wrap;
}

/* ---- Spinners & Loading States ---- */
.spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255,255,255,0.2);
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  vertical-align: middle;
}
.spinner-lg {
  width: 32px;
  height: 32px;
  border-width: 3px;
}

.loading-state {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 40px;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.empty-state {
  text-align: center;
  padding: 48px 20px;
  color: var(--text-muted);
}
.empty-state-sm {
  text-align: center;
  padding: 24px 16px;
  color: var(--text-dim);
  font-size: 0.85rem;
}

/* ---- Utility Classes ---- */
.font-mono     { font-family: 'Courier New', monospace; font-size: 0.82rem; }
.font-semibold { font-weight: 600; }
.font-medium   { font-weight: 500; }
.font-bold     { font-weight: 700; }

.text-dim     { color: var(--text-dim); }
.text-muted   { color: var(--text-muted); }
.text-accent  { color: var(--accent); }
.text-success { color: var(--success); }
.text-danger  { color: var(--danger); }
.text-warning { color: var(--warning); }
.text-center  { text-align: center; }

.text-xs { font-size: 0.75rem; }
.text-sm { font-size: 0.875rem; }

.p-0  { padding: 0 !important; }
.p-4  { padding: 16px !important; }
.p-6  { padding: 24px !important; }
.py-4 { padding-top: 16px !important; padding-bottom: 16px !important; }
.py-6 { padding-top: 24px !important; padding-bottom: 24px !important; }
.mb-4 { margin-bottom: 16px !important; }
.mb-6 { margin-bottom: 24px !important; }
.w-full { width: 100%; }

/* ---- Keyframe Animations ---- */
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes fadeScaleIn {
  from { opacity: 0; transform: scale(0.96); }
  to   { opacity: 1; transform: scale(1); }
}
@keyframes slideInRight {
  from { transform: translateX(100%); }
  to   { transform: translateX(0); }
}
@keyframes toastIn {
  from { opacity: 0; transform: translateX(100%); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes toastOut {
  from { opacity: 1; transform: translateX(0); }
  to   { opacity: 0; transform: translateX(100%); }
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ============================================================
   RESPONSIVE OVERHAUL & MEDIA QUERIES
   ============================================================ */

/* Tablet & Intermediate (< 1024px) */
@media (max-width: 1024px) {
  .grid-2-cols {
    grid-template-columns: 1fr;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .form-row-3 {
    grid-template-columns: 1fr 1fr;
  }
}

/* Mobile & Small Tablets (< 768px) */
@media (max-width: 768px) {
  /* Off-canvas mobile sidebar drawer */
  .sidebar-backdrop {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(4px);
    z-index: 998;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition);
  }
  .sidebar-backdrop.active {
    opacity: 1;
    pointer-events: all;
  }

  .sidebar {
    width: 280px;
    max-width: 85vw;
    z-index: 999;
    transform: translateX(-100%);
    box-shadow: 0 0 50px rgba(0,0,0,0.8);
    transition: transform var(--transition);
  }
  .sidebar.mobile-open {
    transform: translateX(0);
  }

  .sidebar-close-btn {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  /* Force labels to be visible in mobile drawer */
  .sidebar-logo-text,
  .nav-label,
  .user-info,
  .logout-btn {
    opacity: 1 !important;
    width: auto !important;
    overflow: visible !important;
  }

  /* Main area occupies full width */
  .main-area {
    margin-left: 0 !important;
    width: 100%;
    min-width: 0;
  }

  /* Topbar compact */
  .topbar {
    padding: 0 14px;
    gap: 12px;
  }
  .topbar-title {
    font-size: 0.95rem;
  }

  /* Page content padding */
  .page-content {
    padding: 16px 12px;
  }

  /* Stats grid */
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }
  .stat-card {
    padding: 14px;
    gap: 10px;
  }
  .stat-icon {
    width: 38px;
    height: 38px;
  }
  .stat-value {
    font-size: 1.4rem;
  }

  /* Filter bars and header controls stack on mobile */
  .card-header.flex-between {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }
  .flex-actions {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    gap: 8px;
  }
  .flex-actions select,
  .flex-actions input,
  .flex-actions button {
    width: 100% !important;
  }

  /* Drawer and Modal full width */
  .drawer-card, .drawer {
    width: 100% !important;
  }
  .modal-card, .modal {
    margin: 8px;
    width: calc(100% - 16px);
    max-height: 92vh;
  }

  /* Table horizontal scroll */
  .table {
    min-width: 600px;
  }

  /* Forms single column */
  .form-row, .form-row-3 {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  /* REST Docs card */
  .docs-card {
    height: calc(100vh - var(--topbar-h) - 24px);
    min-height: 440px;
  }
  .docs-toolbar {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }
  .docs-toolbar-actions {
    width: 100%;
  }
  .docs-toolbar-actions a {
    flex: 1;
    justify-content: center;
  }
}

/* Small Smartphone Viewport (< 480px) */
@media (max-width: 480px) {
  .topbar {
    padding: 0 10px;
    gap: 8px;
  }
  .topbar-title {
    font-size: 0.88rem;
  }

  /* Hide 'New License' text on tiny screens, keeping the icon */
  #btn-quick-new-lic span {
    display: none;
  }
  #btn-quick-new-lic {
    padding: 7px 10px;
  }

  .page-content {
    padding: 12px 8px;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }
  .stat-card {
    padding: 10px 8px;
    gap: 8px;
  }
  .stat-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
  }
  .stat-label {
    font-size: 0.62rem;
  }
  .stat-value {
    font-size: 1.25rem;
  }

  .card-header {
    padding: 12px 14px;
  }
  .card-body {
    padding: 14px;
  }

  .guard-item {
    padding: 10px 12px;
  }
  .guard-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  .toast-container {
    top: 10px;
    right: 10px;
    max-width: calc(100vw - 20px);
  }
  .toast {
    min-width: unset;
    width: 100%;
  }
}