/* ==========================================================================
   VYOMANTRA TECHNOLOGIES - ADMIN DASHBOARD DESIGN SYSTEM
   Theme: Executive Cyber Dark / Glassmorphic (Consistent with public website)
   ========================================================================== */

:root {
  --bg-admin-base: #02040a;
  --bg-admin-card: rgba(12, 17, 38, 0.75);
  --bg-admin-card-hover: rgba(18, 25, 55, 0.85);
  --bg-admin-sidebar: #060919;
  --bg-admin-topbar: rgba(6, 9, 25, 0.85);
  --border-admin: rgba(255, 255, 255, 0.08);
  --border-admin-hover: rgba(0, 240, 255, 0.4);
  --cyan: #00f0ff;
  --cyan-glow: rgba(0, 240, 255, 0.15);
  --purple: #8b5cf6;
  --purple-glow: rgba(139, 92, 246, 0.15);
  --green: #22c55e;
  --amber: #f59e0b;
  --red: #ef4444;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --font-main: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-heading: 'Syne', sans-serif;
  --font-mono: 'Fira Code', monospace;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
}

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

body.admin-body {
  font-family: var(--font-main);
  background-color: var(--bg-admin-base);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(0, 240, 255, 0.04) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(139, 92, 246, 0.05) 0%, transparent 40%);
}

/* ==========================================================================
   LAYOUT STRUCTURE: SIDEBAR & MAIN VIEWPORT
   ========================================================================== */

.admin-sidebar {
  width: 270px;
  background: var(--bg-admin-sidebar);
  border-right: 1px solid var(--border-admin);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 100;
  transition: transform 0.3s ease;
}

.sidebar-header {
  padding: 1.5rem 1.25rem;
  border-bottom: 1px solid var(--border-admin);
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.sidebar-logo {
  width: 38px;
  height: 38px;
  object-fit: contain;
  filter: drop-shadow(0 0 8px rgba(0, 240, 255, 0.4));
}

.sidebar-brand-text {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: 0.05em;
  color: #fff;
  line-height: 1.1;
}

.sidebar-brand-text span {
  display: block;
  font-size: 0.65rem;
  color: var(--cyan);
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.sidebar-nav {
  padding: 1.25rem 0.85rem 4.5rem 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  flex: 1;
  overflow-y: auto;
}

.nav-section-title {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-dim);
  font-weight: 700;
  padding: 0.75rem 0.75rem 0.25rem 0.75rem;
}

.sidebar-tab-btn {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-muted);
  font-family: var(--font-main);
  font-size: 0.92rem;
  font-weight: 600;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
  transition: all 0.2s ease;
  width: 100%;
  text-align: left;
}

.sidebar-tab-btn i {
  font-size: 1.1rem;
  width: 20px;
  text-align: center;
  color: var(--text-dim);
  transition: color 0.2s;
}

.sidebar-tab-btn:hover {
  background: rgba(255, 255, 255, 0.04);
  color: #fff;
}

.sidebar-tab-btn:hover i {
  color: var(--cyan);
}

.sidebar-tab-btn.active {
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.12), rgba(139, 92, 246, 0.18));
  border-color: rgba(0, 240, 255, 0.35);
  color: #fff;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.sidebar-tab-btn.active i {
  color: var(--cyan);
}

.sidebar-tab-btn .badge-count {
  margin-left: auto;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-muted);
}

.sidebar-tab-btn.active .badge-count {
  background: var(--cyan);
  color: #02040a;
}

.sidebar-footer {
  padding: 1.25rem 1rem;
  border-top: 1px solid var(--border-admin);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

/* ==========================================================================
   MAIN CONTENT AREA
   ========================================================================== */

.admin-viewport {
  margin-left: 270px;
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  position: relative;
}

.admin-topbar {
  position: sticky;
  top: 0;
  z-index: 90;
  backdrop-filter: blur(16px);
  background: var(--bg-admin-topbar);
  border-bottom: 1px solid var(--border-admin);
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.topbar-page-info h1 {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.topbar-page-info p {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin: 0;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.admin-user-chip {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.4rem 0.85rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-admin);
  border-radius: var(--radius-sm);
}

.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--cyan), var(--purple));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: #02040a;
  font-size: 0.85rem;
}

.user-details {
  line-height: 1.2;
}

.user-name {
  font-size: 0.88rem;
  font-weight: 600;
  color: #fff;
}

.user-role {
  font-size: 0.72rem;
  color: var(--cyan);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.admin-main-content {
  padding: 2rem;
  flex: 1;
  min-width: 0;
  width: 100%;
}

/* ==========================================================================
   TABS VIEW CONTAINER
   ========================================================================== */

.admin-tab-view {
  display: none;
  animation: fadeInTab 0.3s ease forwards;
}

.admin-tab-view.active {
  display: block;
}

@keyframes fadeInTab {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   CARDS & KPI STATS GRID
   ========================================================================== */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: var(--bg-admin-card);
  border: 1px solid var(--border-admin);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
  transition: all 0.25s ease;
  backdrop-filter: blur(12px);
}

.stat-card:hover {
  border-color: var(--border-admin-hover);
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4), 0 0 15px var(--cyan-glow);
}

.stat-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.stat-card-label {
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-dim);
}

.stat-card-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
}

.icon-cyan { background: rgba(0, 240, 255, 0.12); color: var(--cyan); }
.icon-purple { background: rgba(139, 92, 246, 0.12); color: var(--purple); }
.icon-green { background: rgba(34, 197, 94, 0.12); color: var(--green); }
.icon-amber { background: rgba(245, 158, 11, 0.12); color: var(--amber); }

.stat-card-value {
  font-family: var(--font-heading);
  font-size: 1.95rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.1;
  margin-bottom: 0.4rem;
}

.stat-card-footer {
  font-size: 0.78rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

/* ==========================================================================
   DATA TABLES & CONTROLS TOOLBAR
   ========================================================================== */

.table-toolbar {
  background: var(--bg-admin-card);
  border: 1px solid var(--border-admin);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  padding: 1.25rem 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
}

.table-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.admin-select {
  background: #060919;
  border: 1px solid var(--border-admin);
  color: var(--text-main);
  padding: 0.55rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-family: var(--font-main);
  cursor: pointer;
  outline: none;
}

.admin-select:focus {
  border-color: var(--cyan);
}

.admin-search-box {
  position: relative;
  min-width: 220px;
}

.admin-search-box input {
  width: 100%;
  background: #060919;
  border: 1px solid var(--border-admin);
  color: #fff;
  padding: 0.55rem 0.85rem 0.55rem 2.2rem;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-family: var(--font-main);
  outline: none;
}

.admin-search-box input:focus {
  border-color: var(--cyan);
}

.admin-search-box i {
  position: absolute;
  left: 0.8rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-dim);
  font-size: 0.85rem;
}

.table-responsive-wrapper {
  background: var(--bg-admin-card);
  border: 1px solid var(--border-admin);
  border-top: none;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

#view-certificates .admin-table {
  min-width: 1280px;
}

/* Keep the registry's wide table inside its own horizontal scroller. */
#view-certificates,
#view-certificates .table-responsive-wrapper {
  min-width: 0;
  max-width: 100%;
}

#view-certificates .table-toolbar {
  align-items: flex-start;
}

#view-certificates .table-toolbar > .table-filters {
  flex: 1 1 620px;
  min-width: 0;
}

#view-certificates .table-toolbar > div:last-child {
  flex: 1 1 100%;
  justify-content: flex-end;
}

@media (max-width: 720px) {
  #view-certificates .table-toolbar > .table-filters,
  #view-certificates .table-toolbar > div:last-child {
    flex-basis: 100%;
  }

  #view-certificates .table-toolbar > .table-filters > * {
    flex: 1 1 100%;
    min-width: 0 !important;
  }

  #view-certificates .table-toolbar > div:last-child > button {
    flex: 1 1 auto;
  }
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.88rem;
}

.admin-table th {
  background: rgba(6, 9, 25, 0.7);
  color: var(--text-dim);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-admin);
  white-space: nowrap;
}

.admin-table td {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-admin);
  color: var(--text-main);
  vertical-align: middle;
}

.admin-table tbody tr {
  transition: background 0.15s ease;
}

.admin-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

.admin-table tbody tr:last-child td {
  border-bottom: none;
}

/* ==========================================================================
   STATUS BADGES
   ========================================================================== */

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.badge-new { background: rgba(0, 240, 255, 0.12); color: var(--cyan); border: 1px solid rgba(0, 240, 255, 0.3); }
.badge-contacted { background: rgba(139, 92, 246, 0.12); color: var(--purple); border: 1px solid rgba(139, 92, 246, 0.3); }
.badge-verified, .badge-active, .badge-resolved, .badge-offered, .badge-valid { background: rgba(34, 197, 94, 0.12); color: var(--green); border: 1px solid rgba(34, 197, 94, 0.3); }
.badge-pending, .badge-reviewing, .badge-expired { background: rgba(245, 158, 11, 0.12); color: var(--amber); border: 1px solid rgba(245, 158, 11, 0.3); }
.badge-rejected, .badge-closed, .badge-revoked { background: rgba(239, 68, 68, 0.12); color: var(--red); border: 1px solid rgba(239, 68, 68, 0.3); }
.badge-draft { background: rgba(148, 163, 184, 0.12); color: var(--text-muted); border: 1px solid rgba(148, 163, 184, 0.3); }

/* ==========================================================================
   BUTTONS & ACTIONS
   ========================================================================== */

.btn-action-icon {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-admin);
  color: var(--text-muted);
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}

.btn-action-icon:hover {
  background: rgba(0, 240, 255, 0.1);
  color: var(--cyan);
  border-color: var(--border-admin-hover);
}

.btn-action-icon.danger:hover {
  background: rgba(239, 68, 68, 0.1);
  color: var(--red);
  border-color: rgba(239, 68, 68, 0.3);
}

.btn-action-icon.whatsapp:hover {
  background: rgba(34, 197, 94, 0.1);
  color: var(--green);
  border-color: rgba(34, 197, 94, 0.3);
}

/* ==========================================================================
   MODAL DIALOGS
   ========================================================================== */

.admin-modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(2, 4, 10, 0.85);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.admin-modal-backdrop.active {
  display: flex;
}

.admin-modal-card {
  background: #080d24;
  border: 1px solid var(--border-admin-hover);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 680px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8), 0 0 30px var(--cyan-glow);
  animation: zoomModal 0.25s ease forwards;
}

.admin-modal-card.modal-lg {
  max-width: 900px;
}

@keyframes zoomModal {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

.admin-modal-header {
  padding: 1.25rem 1.75rem;
  border-bottom: 1px solid var(--border-admin);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.admin-modal-header h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  color: #fff;
  margin: 0;
}

.admin-modal-body {
  padding: 1.75rem;
  overflow-y: auto;
  flex: 1;
}

.admin-modal-footer {
  padding: 1.25rem 1.75rem;
  border-top: 1px solid var(--border-admin);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.75rem;
}

.modal-close-btn {
  background: transparent;
  border: none;
  color: var(--text-dim);
  font-size: 1.25rem;
  cursor: pointer;
  transition: color 0.2s;
}

.modal-close-btn:hover {
  color: #fff;
}

/* ==========================================================================
   TOAST NOTIFICATION
   ========================================================================== */

#adminToast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: #080d24;
  border: 1px solid var(--cyan);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6), 0 0 20px var(--cyan-glow);
  color: #fff;
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9rem;
  z-index: 2000;
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* Responsive */
@media (max-width: 992px) {
  .admin-sidebar {
    transform: translateX(-100%);
  }
  .admin-sidebar.open {
    transform: translateX(0);
  }
  .admin-viewport {
    margin-left: 0;
  }
}

/* ==========================================================================
   CERTIFICATE REGISTRY & CONFIGURATOR ENHANCEMENTS
   ========================================================================== */

.cert-id-badge {
  font-family: 'JetBrains Mono', monospace;
  color: var(--cyan);
  font-size: 0.92rem;
  font-weight: 700;
  white-space: nowrap;
  letter-spacing: -0.01em;
}

.cert-cell-id {
  white-space: nowrap;
  min-width: 200px;
}

.cert-cell-actions {
  white-space: nowrap;
  text-align: right;
  min-width: 390px;
}

.btn-docx-partial {
  border-color: rgba(0, 240, 255, 0.4) !important;
  color: #00f0ff !important;
  background: rgba(0, 240, 255, 0.06) !important;
}

.btn-docx-partial:hover {
  background: rgba(0, 240, 255, 0.18) !important;
  box-shadow: 0 0 12px rgba(0, 240, 255, 0.35);
}

.btn-docx-digital {
  border-color: rgba(245, 158, 11, 0.45) !important;
  color: #fbbf24 !important;
  background: rgba(245, 158, 11, 0.08) !important;
}

.btn-docx-digital:hover {
  background: rgba(245, 158, 11, 0.22) !important;
  box-shadow: 0 0 12px rgba(245, 158, 11, 0.35);
}

/* Configurator Modal Elements */
.configurator-tabs {
  display: flex;
  gap: 0.5rem;
  border-bottom: 1px solid var(--border-admin);
  padding-bottom: 0.85rem;
  margin-bottom: 1.25rem;
}

.configurator-tab-btn {
  background: transparent;
  border: 1px solid var(--border-admin);
  color: var(--text-muted);
  font-family: var(--font-main);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.configurator-tab-btn:hover {
  color: #fff;
  border-color: var(--cyan);
}

.configurator-tab-btn.active {
  background: rgba(0, 240, 255, 0.12);
  border-color: var(--cyan);
  color: #fff;
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.2);
}

.configurator-panel {
  display: none;
}

.configurator-panel.active {
  display: block;
  animation: fadeInTab 0.25s ease forwards;
}

.docx-drop-zone {
  border: 2px dashed rgba(0, 240, 255, 0.35);
  border-radius: var(--radius-md);
  background: rgba(0, 240, 255, 0.03);
  padding: 2rem 1.5rem;
  text-align: center;
  transition: all 0.2s ease;
  cursor: pointer;
  position: relative;
}

.docx-drop-zone:hover, .docx-drop-zone.dragover {
  border-color: var(--cyan);
  background: rgba(0, 240, 255, 0.08);
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.15);
}

.docx-drop-zone i {
  font-size: 2.5rem;
  color: var(--cyan);
  margin-bottom: 0.75rem;
  display: inline-block;
}

.tag-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  padding: 2px 7px;
  background: rgba(0, 240, 255, 0.1);
  border: 1px solid rgba(0, 240, 255, 0.25);
  color: var(--cyan);
  border-radius: 4px;
  display: inline-block;
}

.sig-mode-selector {
  display: flex;
  background: #040612;
  border: 1px solid var(--border-admin);
  border-radius: var(--radius-sm);
  padding: 3px;
  gap: 3px;
}

.sig-mode-btn {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-dim);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 5px 10px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.sig-mode-btn.active-digital {
  background: rgba(34, 197, 94, 0.2);
  color: #22c55e;
  border: 1px solid rgba(34, 197, 94, 0.4);
}

.sig-mode-btn.active-manual {
  background: rgba(245, 158, 11, 0.2);
  color: #f59e0b;
  border: 1px solid rgba(245, 158, 11, 0.4);
}