:root {
      --admin-bg: #101828;
      --admin-surface: #151f32;
      --admin-surface-muted: #1f2a44;
      --admin-border: #31405f;
      --admin-sidebar: #0b1020;
      --admin-sidebar-accent: #00c2ff;
      --admin-accent-hot: #ff3ea5;
      --admin-accent-coin: #ffbf3f;
      --admin-accent-green: #34d399;
      --admin-text: #ecf6ff;
      --admin-muted: #9fb0c9;
    }
    body {
      font-family: "Nunito", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      margin: 0;
      background:
        linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px),
        #101828;
      background-attachment: fixed;
      background-size: 42px 42px, 42px 42px, cover;
      color: var(--admin-text);
      min-height: 100vh;
    }
    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      z-index: 0;
      background: repeating-linear-gradient(180deg, rgba(255,255,255,0.035), rgba(255,255,255,0.035) 1px, transparent 1px, transparent 4px);
      opacity: 0.35;
    }
    .landing-shell {
      position: relative;
      z-index: 1;
      min-height: 100vh;
      padding: 2rem 1rem 3rem;
      background:
        radial-gradient(circle at top left, rgba(0, 194, 255, 0.18), transparent 34rem),
        radial-gradient(circle at top right, rgba(255, 62, 165, 0.13), transparent 28rem),
        transparent;
    }
    .landing-shell .landing-container {
      width: min(1180px, 100%);
      margin: 0 auto;
      padding: 0;
      text-align: center;
      background: transparent !important;
    }
    .landing-shell .landing-nav {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1rem;
      width: min(1180px, 100%);
      margin: 0 auto 1.5rem;
      padding: .85rem 1rem;
      background: rgba(21, 31, 50, 0.86);
      border: 1px solid var(--admin-border);
      border-radius: 1rem;
      box-shadow: 0 0.15rem 1rem rgba(0, 0, 0, 0.18);
      backdrop-filter: blur(10px);
    }
    .landing-shell .landing-brand {
      display: inline-flex;
      align-items: center;
      gap: .65rem;
      color: var(--admin-text);
      font-weight: 900;
      font-size: 1.05rem;
      text-decoration: none;
      white-space: nowrap;
    }
    .landing-shell .landing-brand-group {
      display: inline-flex;
      align-items: center;
      gap: .75rem;
      min-width: 0;
    }
    .landing-shell .landing-brand-mark {
      width: 2rem;
      height: 2rem;
      border-radius: 50%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: rgba(0, 194, 255, 0.15);
      border: 1px solid rgba(0, 194, 255, 0.55);
      box-shadow: 0 0 18px rgba(0, 194, 255, 0.24);
      color: var(--admin-sidebar-accent);
      overflow: hidden;
    }
    .landing-shell .landing-brand-mark img,
    .brand-mark img,
    .brand-mascot {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
    }
    .landing-shell .hero-actions {
      display: flex;
      justify-content: flex-end;
      align-items: center;
      gap: .75rem;
      margin: 0;
      flex-wrap: wrap;
    }
    .landing-shell .resource-links {
      display: inline-flex;
      align-items: center;
      gap: .45rem;
      padding-left: .5rem;
      border-left: 1px solid rgba(255, 255, 255, 0.10);
    }
    .landing-shell .resource-icon-link {
      width: 2.35rem;
      height: 2.35rem;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: var(--admin-muted);
      background: rgba(21, 31, 50, 0.42);
      border: 1px solid rgba(49, 64, 95, 0.72);
      border-radius: .7rem;
      text-decoration: none;
      transition: border-color .2s, color .2s, background .2s, transform .2s;
    }
    .landing-shell .resource-icon-link:hover {
      color: var(--admin-sidebar-accent);
      border-color: rgba(0, 194, 255, 0.45);
      background: rgba(0, 194, 255, 0.08);
      transform: translateY(-1px);
    }
    .landing-shell .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: .45rem;
      color: var(--admin-sidebar-accent);
      border: 1px solid rgba(0, 194, 255, 0.35);
      background: rgba(0, 194, 255, 0.10);
      border-radius: 999px;
      padding: .35rem .75rem;
      font-weight: 800;
      margin-bottom: 1rem;
    }
    .landing-shell .hero {
      padding: 2rem 1rem 1rem;
    }
    .landing-shell .hero h1 {
      margin: 0 0 .75rem;
      font-size: clamp(2.5rem, 6vw, 5rem);
      line-height: .95;
      font-weight: 900;
      color: var(--admin-text);
      letter-spacing: -0.05em;
      text-shadow: 0 0 28px rgba(0, 194, 255, 0.18);
    }
    .landing-shell .hero p {
      margin: 0 auto 1rem;
      color: var(--admin-muted);
      font-size: clamp(1.05rem, 2vw, 1.3rem);
      line-height: 1.65;
      max-width: 880px;
    }
    .landing-shell .hero strong {
      color: var(--admin-text);
    }
    .landing-shell .feature-strip {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 1rem;
      margin: 1.5rem 0;
    }
    .landing-shell .feature-pill {
      display: grid;
      grid-template-columns: auto minmax(0, 1fr);
      align-items: center;
      column-gap: .65rem;
      background: rgba(21, 31, 50, 0.84);
      border: 1px solid var(--admin-border);
      border-radius: 1rem;
      padding: 1rem;
      text-align: left;
      box-shadow: 0 0.15rem 1rem rgba(0, 0, 0, 0.16);
      backdrop-filter: blur(10px);
    }
    .landing-shell .feature-pill i {
      color: var(--admin-sidebar-accent);
      font-size: 1.35rem;
      display: block;
    }
    .landing-shell .feature-pill h3 {
      color: var(--admin-text);
      font-size: 1rem;
      font-weight: 900;
      margin: 0;
    }
    .landing-shell .feature-pill p {
      grid-column: 1 / -1;
      color: var(--admin-muted);
      margin: .5rem 0 0;
      font-size: .95rem;
      line-height: 1.45;
    }
    .landing-shell .hero-img {
      width: min(1120px, 100%);
      max-width: 100%;
      height: auto;
      border-radius: 1.25rem;
      box-shadow: 0 1rem 3rem rgba(0, 0, 0, 0.55), 0 0 2rem rgba(0, 194, 255, 0.12);
      border: 1px solid rgba(0, 194, 255, 0.24);
      margin: 1.5rem auto 0;
      display: block;
      background: rgba(21, 31, 50, 0.9);
    }
    .landing-shell .landing-card {
      background: rgba(21,31,50,0.86);
      border: 1px solid var(--admin-border);
      padding: 1.5rem;
      border-radius: 1rem;
      margin-top: 1rem;
      backdrop-filter: blur(10px);
      text-align: left;
      box-shadow: 0 0.15rem 1rem rgba(0, 0, 0, 0.16);
    }
    .landing-shell .landing-card h2 {
      font-weight: 900;
      color: var(--admin-text);
      margin-bottom: .75rem;
    }
    .landing-shell .landing-card p,
    .landing-shell .landing-card li {
      color: var(--admin-muted);
      line-height: 1.6;
    }
    .landing-shell .landing-card li strong {
      color: var(--admin-text);
    }
    .landing-shell .cta {
      display: inline-block;
      background: var(--admin-sidebar-accent);
      color: #06111f;
      padding: .75rem 1.35rem;
      border-radius: .7rem;
      text-decoration: none;
      font-weight: 900;
      transition: background .2s, transform .2s;
      border: 1px solid rgba(0, 194, 255, 0.35);
    }
    .landing-shell .cta:hover {
      background: var(--admin-accent-hot);
      color: #fff;
      transform: translateY(-1px);
    }
    .landing-shell .cta-outline {
      display: inline-block;
      background: rgba(21, 31, 50, 0.72);
      border: 1px solid var(--admin-border);
      color: var(--admin-text);
      padding: .75rem 1.35rem;
      border-radius: .7rem;
      text-decoration: none;
      font-weight: 800;
      transition: border-color .2s, color .2s, transform .2s;
    }
    .landing-shell .cta-outline:hover {
      border-color: var(--admin-sidebar-accent);
      color: var(--admin-sidebar-accent);
      transform: translateY(-1px);
    }
    .landing-shell .grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 1rem;
      margin-top: 1rem;
      text-align: left;
    }
    .landing-shell .step {
      background: rgba(31, 42, 68, 0.72);
      border: 1px solid var(--admin-border);
      padding: 1.25rem;
      border-radius: 1rem;
      box-shadow: inset 0 1px 0 rgba(255,255,255,.03);
    }
    .landing-shell .step h3 {
      color: var(--admin-sidebar-accent);
      font-weight: 900;
      margin-top: 0;
      margin-bottom: .75rem;
      font-size: 1.1rem;
    }
    .landing-shell .step ol li,
    .landing-shell .step ul li {
      color: var(--admin-text);
      margin-bottom: .4rem;
      line-height: 1.55;
    }
    .landing-shell .step code {
      background: rgba(0,194,255,0.1);
      color: var(--admin-sidebar-accent);
      padding: .15rem .4rem;
      border-radius: 4px;
      font-size: .9em;
    }
    .landing-shell footer {
      color: var(--admin-muted);
      font-size: .9rem;
      margin-top: 2rem;
      text-align: center;
    }
    .landing-shell footer a {
      color: var(--admin-sidebar-accent);
      text-decoration: none;
    }
    .landing-shell footer a:hover { color: var(--admin-accent-hot); }
    @media (max-width:900px){.landing-shell .feature-strip{grid-template-columns:1fr 1fr}.landing-shell .grid{grid-template-columns:1fr}}
    @media (max-width:575px){.landing-shell .feature-strip{grid-template-columns:1fr}.landing-shell{padding:1rem .75rem 2rem}.landing-shell .landing-nav{align-items:flex-start;flex-direction:column}.landing-shell .landing-brand-group{width:100%;justify-content:space-between}.landing-shell .hero-actions{justify-content:flex-start;width:100%}.landing-shell .resource-links{border-left:1px solid rgba(255,255,255,0.10);padding-left:.4rem}}
  

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

            body {
                font-family: "Nunito", -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
                background: #f8f9fc;
                min-height: 100vh;
            }

            .container {
                width: 100%;
                max-width: 100%;
                min-height: 100vh;
                background: #f8f9fc;
            }

            header {
                background: #4e73df;
                color: white;
                padding: 0;
            }

            header h1 {
                font-size: 1.2rem;
                margin: 0;
            }

            header p {
                font-size: 1.1em;
                opacity: 0.9;
            }

            main {
                padding: 1rem;
            }

            .nav-tabs {
                display: flex;
                gap: 10px;
                margin-bottom: 12px;
                border-bottom: none;
                flex-wrap: wrap;
            }

            .nav-tabs button {
                background: none;
                border: none;
                padding: 10px 20px;
                cursor: pointer;
                font-size: 1em;
                color: #666;
                border-bottom: 3px solid transparent;
                transition: all 0.3s ease;
            }

            .nav-tabs button.active {
                color: #fff;
                background: #4e73df;
                border-bottom-color: transparent;
            }

            .sub-nav-btn {
                background: #f8f9fa;
                color: #1f2937;
                border: 1px solid #dee2e6;
                border-radius: 6px;
                margin-bottom: 8px;
                width: 100%;
                text-align: left;
            }

            .sub-nav-btn.active {
                background: #1e3a8a;
                color: #ffffff;
                border-color: #1e3a8a;
            }

            .app-header {
                display: flex;
                justify-content: space-between;
                align-items: center;
                gap: 16px;
                margin-bottom: 12px;
                padding: .75rem 1rem;
                background: #4e73df;
                border: 1px solid #4e73df;
                border-radius: .5rem;
                box-shadow: 0 .15rem 1rem 0 rgba(58,59,69,.05);
            }

            .top-nav {
                display: flex;
                gap: 8px;
                flex-wrap: wrap;
            }

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

            .top-nav .nav-btn {
                color: #ffffff !important;
                border-color: rgba(255,255,255,.55) !important;
                background: transparent !important;
            }

            .top-nav .nav-btn:hover {
                color: #ffffff !important;
                border-color: #ffffff !important;
                background: rgba(255,255,255,.12) !important;
            }

            .top-nav .nav-btn.active {
                color: #4e73df !important;
                background: #ffffff !important;
                border-color: #ffffff !important;
            }

            .top-nav .nav-btn.shared-swarm-nav {
                color: #10233a !important;
                background: #f6c85f !important;
                border-color: #f6c85f !important;
                font-weight: 700;
            }

            .top-nav .nav-btn.shared-swarm-nav:hover,
            .top-nav .nav-btn.shared-swarm-nav.active {
                color: #06111f !important;
                background: #ffd978 !important;
                border-color: #ffd978 !important;
            }

            .profile-chip {
                background: transparent;
                border: none;
                padding: 0;
                display: inline-flex;
                align-items: center;
                justify-content: center;
                width: 42px;
                height: 42px;
                border-radius: 9999px;
                overflow: hidden;
                cursor: pointer;
            }

            .avatar-top-right {
                width: 42px;
                height: 42px;
                object-fit: cover;
                display: none;
            }

            .avatar-fallback {
                width: 42px;
                height: 42px;
                border-radius: 9999px;
                background: #e5e7eb;
                color: #111827;
                display: inline-flex;
                align-items: center;
                justify-content: center;
                font-size: 20px;
            }

            .nav-tabs button:hover {
                color: #667eea;
            }

            .content-section {
                display: none;
            }

            .content-section.active {
                display: block;
            }

            .form-group {
                margin-bottom: 20px;
            }

            label {
                display: block;
                margin-bottom: 8px;
                font-weight: 500;
                color: #333;
            }

            input[type="text"],
            input[type="email"],
            input[type="password"],
            textarea {
                width: 100%;
                padding: 10px;
                border: 1px solid #ddd;
                border-radius: 5px;
                font-size: 1em;
                font-family: inherit;
            }

            input[type="text"]:focus,
            input[type="email"]:focus,
            input[type="password"]:focus,
            textarea:focus {
                outline: none;
                border-color: #667eea;
                box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
            }

            button {
                background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
                color: white;
                padding: 12px 24px;
                border: none;
                border-radius: 5px;
                cursor: pointer;
                font-size: 1em;
                font-weight: 500;
                transition: transform 0.2s ease, box-shadow 0.2s ease;
            }

            button:hover {
                transform: translateY(-2px);
                box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
            }

            button:active {
                transform: translateY(0);
            }

            .message {
                padding: 15px;
                border-radius: 5px;
                margin-bottom: 20px;
                display: none;
            }

            .message.success {
                background: #d4edda;
                color: #155724;
                border: 1px solid #c3e6cb;
                display: block;
            }

            .message.error {
                background: #f8d7da;
                color: #721c24;
                border: 1px solid #f5c6cb;
                display: block;
            }

            .device-card {
                background: #f8f9fa;
                border: 1px solid #dee2e6;
                border-radius: 8px;
                padding: 20px;
                margin-bottom: 15px;
            }

            .device-card h3 {
                color: #667eea;
                margin-bottom: 10px;
            }

            .runtime-log-section {
                min-width: 0;
            }

            .runtime-log-header {
                align-items: center;
                display: flex;
                gap: .5rem;
                justify-content: space-between;
                margin-bottom: .35rem;
            }

            .runtime-log-pane {
                background: #07111f;
                border: 1px solid rgba(255, 255, 255, .12);
                border-radius: 6px;
                color: #d7e4f6;
                font-size: .72rem;
                line-height: 1.25;
                margin: 0;
                /* Fixed height so the panel never grows/shifts as logs stream in. */
                height: 320px;
                overflow: auto;
                padding: .65rem;
                resize: vertical;
                tab-size: 2;
                user-select: text;
                white-space: pre-wrap;
                word-break: break-word;
            }

            .device-info {
                display: grid;
                grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
                gap: 15px;
                margin: 15px 0;
            }

            .info-item {
                background: white;
                padding: 10px;
                border-radius: 5px;
                border-left: 3px solid #667eea;
            }

            .info-label {
                font-weight: 600;
                color: #666;
                font-size: 0.9em;
            }

            .info-value {
                color: #333;
                word-break: break-all;
            }

            .logout-btn {
                background: #dc3545;
                margin-top: 20px;
            }

            .logout-btn:hover {
                box-shadow: 0 5px 15px rgba(220, 53, 69, 0.4);
            }

            .form-row {
                display: grid;
                grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
                gap: 20px;
            }

            .auth-form {
                max-width: 400px;
                margin: 0 auto;
            }

            .auth-form h2 {
                margin-bottom: 20px;
                color: #333;
            }

            .toggle-form {
                text-align: center;
                margin-top: 20px;
                color: #666;
            }

            .toggle-form button {
                background: none;
                color: #667eea;
                padding: 0;
                text-decoration: underline;
            }

            .toggle-form button:hover {
                transform: none;
                box-shadow: none;
            }

            .loading {
                display: inline-block;
                width: 20px;
                height: 20px;
                border: 3px solid rgba(255,255,255,.3);
                border-radius: 50%;
                border-top-color: white;
                animation: spin 1s ease-in-out infinite;
            }

            .toast-alert-container {
                position: fixed;
                top: 1rem;
                right: 1rem;
                z-index: 100000;
                max-width: 420px;
                width: calc(100% - 2rem);
                pointer-events: none;
            }

            .toast-alert-container > * {
                pointer-events: auto;
            }

            .toast-alert {
                align-items: center;
                border-radius: .6rem;
                box-shadow: 0 .35rem 1rem rgba(0,0,0,.28);
                color: white;
                display: flex;
                font-weight: 600;
                gap: .65rem;
                margin-bottom: .55rem;
                padding: .75rem 1rem;
                animation: toastSlideIn .18s ease-out;
            }

            @keyframes toastSlideIn {
                from { opacity: 0; transform: translateX(30px); }
                to { opacity: 1; transform: translateX(0); }
            }

            .toast-alert.alert-success { background: #059669; }
            .toast-alert.alert-danger { background: #dc2626; }
            .toast-alert.alert-warning { background: #d97706; }
            .toast-alert.alert-info { background: #2563eb; }
            .toast-alert.alert-loading { background: #334155; }

            .toast-alert .loading {
                height: 16px;
                width: 16px;
            }

            @keyframes spin {
                to { transform: rotate(360deg); }
            }

            .roms-grid {
                display: grid;
                grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
                gap: 15px;
                margin-top: 20px;
            }

            .rom-item {
                background: white;
                border: 1px solid #dee2e6;
                border-radius: 5px;
                padding: 15px;
            }

            .rom-item strong {
                color: #667eea;
            }

            .empty-state {
                text-align: center;
                padding: 40px;
                color: #999;
            }

            .empty-state svg {
                width: 64px;
                height: 64px;
                margin-bottom: 20px;
                opacity: 0.5;
            }

            .tree-view details {
                background: #fff;
                border: 1px solid #e3e6f0;
                border-radius: 6px;
                padding: 10px 12px;
                margin-bottom: 10px;
                box-shadow: 0 .15rem .5rem 0 rgba(58,59,69,.08);
            }

            .tree-view summary {
                cursor: pointer;
                font-weight: 600;
                color: #4e73df;
            }

            .rom-artwork-table {
                margin-bottom: 0;
            }

            .rom-artwork-table th {
                color: var(--admin-muted);
                font-size: .72rem;
                font-weight: 700;
                letter-spacing: 0;
                text-transform: uppercase;
            }

            .rom-artwork-assets {
                display: flex;
                flex-wrap: wrap;
                gap: .25rem;
            }

            .rom-artwork-chip {
                align-items: center;
                border: 1px solid rgba(78,115,223,.18);
                border-radius: 999px;
                display: inline-flex;
                font-size: .72rem;
                gap: .25rem;
                line-height: 1;
                padding: .18rem .42rem;
                white-space: nowrap;
            }

            .rom-artwork-chip.is-present {
                background: rgba(52,211,153,.12);
                border-color: rgba(52,211,153,.26);
                color: #047857;
            }

            .rom-artwork-chip.is-available {
                background: rgba(148,163,184,.12);
                border-color: rgba(148,163,184,.22);
                color: #64748b;
            }

            .rom-master-row {
                cursor: pointer;
            }

            .rom-master-row:hover td {
                background: rgba(78,115,223,.06);
            }

            .rom-master-row.is-expanded td {
                background: rgba(78,115,223,.08);
            }

            .rom-master-detail-row > td {
                background: rgba(15,23,42,.03);
                border-top: 0;
            }

            .rom-detail-panel {
                border-left: 3px solid rgba(78,115,223,.35);
                padding: .75rem .9rem;
            }

            .rom-detail-grid {
                display: grid;
                gap: .65rem 1rem;
                grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            }

            .rom-detail-field {
                min-width: 0;
            }

            .rom-artwork-detail-list {
                display: flex;
                flex-direction: column;
                gap: .35rem;
            }

            .rom-artwork-detail-row {
                align-items: center;
                display: flex;
                flex-wrap: wrap;
                gap: .45rem;
            }

            .tree-view ul {
                margin: 10px 0 0 20px;
                padding: 0;
            }

            .dashboard-layout {
                display: grid;
                grid-template-columns: 280px 1fr;
                gap: 24px;
                align-items: start;
            }

            .dashboard-sidebar {
                position: sticky;
                top: 10px;
            }

            .dashboard-content {
                min-height: 320px;
                background: #fff;
                border: 1px solid #e3e6f0;
                border-radius: .5rem;
                box-shadow: 0 .15rem 1rem 0 rgba(58,59,69,.05);
                padding: 1rem;
            }

            @media (max-width: 900px) {
                .dashboard-layout {
                    grid-template-columns: 1fr;
                }
            }

            :root {
                --admin-bg: #101828;
                --admin-surface: #151f32;
                --admin-surface-muted: #1f2a44;
                --admin-border: #31405f;
                --admin-sidebar: #0b1020;
                --admin-sidebar-accent: #00c2ff;
                --admin-accent-hot: #ff3ea5;
                --admin-accent-coin: #ffbf3f;
                --admin-accent-green: #34d399;
                --admin-text: #ecf6ff;
                --admin-muted: #9fb0c9;
            }

            body {
                background:
                    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px),
                    #101828;
                background-attachment: fixed;
                background-size: 42px 42px, 42px 42px, cover;
                color: var(--admin-text);
                font-family: "Nunito", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
            }
            body::before {
                content: "";
                position: fixed;
                inset: 0;
                pointer-events: none;
                z-index: 0;
                background: repeating-linear-gradient(180deg, rgba(255,255,255,0.035), rgba(255,255,255,0.035) 1px, transparent 1px, transparent 4px);
                opacity: 0.35;
            }

            .layout-shell {
                min-height: 100vh;
                position: relative;
                z-index: 1;
            }
            .layout-shell > .row { flex-direction: column; }
            .layout-shell aside,
            .layout-shell main {
                width: 100%;
                max-width: 100%;
                flex: 0 0 auto;
            }
            .layout-shell aside {
                position: relative;
                z-index: 10000;
            }
            .layout-shell main {
                position: relative;
                z-index: 1;
            }

            .sidebar {
                background: rgba(21, 31, 50, 0.86);
                color: var(--admin-text);
                min-height: auto;
                border: 1px solid var(--admin-border);
                border-radius: 1rem !important;
                box-shadow: 0 0.15rem 1rem rgba(0, 0, 0, 0.18);
                backdrop-filter: blur(10px);
            }

            .brand-block {
                border-bottom: 0;
                padding-bottom: 0 !important;
                margin-bottom: 0 !important;
                white-space: nowrap;
                display: inline-flex;
                align-items: center;
                gap: .75rem;
            }

            .brand-mark {
                width: 2rem;
                height: 2rem;
                border-radius: 50%;
                display: inline-flex;
                align-items: center;
                justify-content: center;
                background: rgba(0, 194, 255, 0.15);
                border: 1px solid rgba(0, 194, 255, 0.55);
                box-shadow: 0 0 18px rgba(0, 194, 255, 0.24);
                color: var(--admin-sidebar-accent);
                overflow: hidden;
            }

            .menu-label {
                font-size: 0.72rem;
                letter-spacing: 0.07em;
                text-transform: uppercase;
                color: var(--admin-muted);
                font-weight: 800;
            }

            .sidebar .btn {
                border: 0 !important;
                text-align: left;
                color: rgba(255, 255, 255, 0.92) !important;
                background: transparent !important;
                padding: 0.62rem 0.8rem;
                border-radius: 0.45rem;
                font-weight: 700;
                font-size: 0.92rem;
                transform: none !important;
                box-shadow: none !important;
                transition: color .2s ease, background .2s ease;
            }

            .sidebar .btn:hover,
            .sidebar .btn:focus {
                color: #fff !important;
                background: rgba(255, 255, 255, 0.14) !important;
            }

            .sidebar .btn.active {
                background: rgba(255, 255, 255, 0.14) !important;
                color: #fff !important;
            }

            .sidebar .resource-links {
                display: inline-flex;
                align-items: center;
                gap: .45rem;
                margin-left: 0;
                padding-left: .5rem;
                border-left: 1px solid rgba(255, 255, 255, 0.10);
            }

            .sidebar .resource-icon-link {
                width: 2.35rem;
                height: 2.35rem;
                display: inline-flex;
                align-items: center;
                justify-content: center;
                color: var(--admin-muted) !important;
                background: rgba(21, 31, 50, 0.42) !important;
                border: 1px solid rgba(49, 64, 95, 0.72) !important;
                border-radius: .7rem;
                text-decoration: none;
                transform: none !important;
                box-shadow: none !important;
                transition: border-color .2s ease, color .2s ease, background .2s ease, transform .2s ease;
            }

            .sidebar .resource-icon-link:hover,
            .sidebar .resource-icon-link:focus {
                color: var(--admin-sidebar-accent) !important;
                border-color: rgba(0, 194, 255, 0.45) !important;
                background: rgba(0, 194, 255, 0.08) !important;
                transform: translateY(-1px) !important;
            }
            @media (max-width: 991.98px) {
                .brand-block {
                    width: 100%;
                    justify-content: space-between;
                }
                .sidebar .resource-links {
                    margin-left: 0;
                    padding-left: .5rem;
                    border-left: 1px solid rgba(255, 255, 255, 0.10);
                    margin-top: 0;
                }
            }

            .sidebar .brand-title {
                color: var(--admin-text);
                font-weight: 900;
                letter-spacing: -0.02em;
            }

            .sidebar .brand-subtitle {
                color: var(--admin-muted);
                font-weight: 700;
            }

            .nav-actions {
                align-items: center;
                flex: 1 1 auto;
                justify-content: flex-end;
                min-width: 0;
            }

            .nav-actions .shared-swarm-nav {
                margin-right: auto;
            }

            .topbar {
                background: rgba(21, 31, 50, 0.86);
                border: 1px solid var(--admin-border);
                border-radius: 0.75rem;
                box-shadow: 0 0.15rem 1rem rgba(58, 59, 69, 0.08);
                min-height: 4.1rem;
                backdrop-filter: blur(10px);
            }

            .app-shell {
                background: rgba(21, 31, 50, 0.84);
                border: 1px solid var(--admin-border);
                border-radius: 0.75rem;
                box-shadow: 0 0.15rem 1rem rgba(58, 59, 69, 0.08);
                backdrop-filter: blur(10px);
            }

            .app-container {
                width: 100%;
                max-width: 100%;
                min-height: auto;
                background: transparent;
            }

            .app-main { padding: 0; }
            header, .app-header { display: none !important; }
            .dashboard-content {
                min-height: 320px;
                background: transparent;
                border: 0;
                border-radius: 0;
                box-shadow: none;
                padding: 0;
            }

            .content-section.active { display: block; }
            .requires-auth { display: none; }
            body.is-authenticated .requires-auth { display: flex; }
            body.is-authenticated .sidebar .requires-auth { display: inline-flex; }
            .sidebar .requires-auth { display: none; }
            body:not(.is-authenticated) .sidebar .requires-auth { display: none !important; }
            .device-view-btn.active {
                color: #fff !important;
                background: var(--admin-sidebar-accent) !important;
                border-color: var(--admin-sidebar-accent) !important;
            }
            .profile-nav-btn,
            .sidebar .nav-btn {
                align-items: center;
                justify-content: flex-start;
                display: inline-flex;
            }
            .profile-nav-btn .profile-chip {
                flex: 0 0 auto;
                border-color: rgba(255,255,255,.35);
            }
            .device-grid {
                display: grid;
                grid-template-columns: repeat(3, minmax(0, 1fr));
                gap: 1rem;
                margin-bottom: 1rem;
            }
            .device-tile {
                height: 100%;
                cursor: pointer;
                padding: 0;
                color: var(--admin-text);
                background: rgba(21, 31, 50, 0.9) !important;
                border: 1px solid var(--admin-border) !important;
                border-radius: 0.5rem;
                transition: border-color 0.15s ease, box-shadow 0.15s ease;
            }
            .device-tile:hover,
            .device-tile.active {
                border-color: var(--admin-sidebar-accent) !important;
                box-shadow: 0 0.2rem 1rem rgba(0, 194, 255, 0.18) !important;
                transform: none !important;
            }
            .device-tile.active {
                background: rgba(0, 194, 255, 0.12) !important;
            }
            .device-detail-view {
                margin-bottom: 0;
            }

            label { color: var(--admin-text); }
            .text-muted { color: var(--admin-muted) !important; }
            .card-title, .fw-semibold, h1, h2, h3, h4, h5 { color: var(--admin-text); }
            .card, .device-card, .info-item, .tree-view details, input[type="text"], input[type="email"], input[type="password"], textarea {
                background: rgba(21, 31, 50, 0.9);
                border-color: var(--admin-border);
                color: var(--admin-text);
            }
            input[type="text"]:focus,
            input[type="email"]:focus,
            input[type="password"]:focus,
            textarea:focus {
                background: rgba(21, 31, 50, 0.98);
                color: var(--admin-text);
                border-color: var(--admin-sidebar-accent);
                box-shadow: 0 0 0 0.18rem rgba(0, 194, 255, 0.18);
            }
            input::placeholder { color: #73849e; }

            .btn {
                transform: none !important;
                box-shadow: none !important;
            }
            .btn:hover {
                transform: none !important;
                box-shadow: none !important;
            }
            .btn-primary,
            button.btn-primary {
                background: var(--admin-sidebar-accent) !important;
                border-color: var(--admin-sidebar-accent) !important;
                color: #06111f !important;
                font-weight: 800;
            }
            .btn-primary:hover,
            button.btn-primary:hover {
                background: var(--admin-accent-hot) !important;
                border-color: var(--admin-accent-hot) !important;
                color: #fff !important;
            }
            .btn-outline-secondary, .btn-outline-primary {
                color: #c8d7ee;
                border-color: var(--admin-border);
                background: rgba(21, 31, 50, 0.9) !important;
            }
            .btn-outline-secondary:hover, .btn-outline-primary:hover {
                background: rgba(0, 194, 255, 0.12) !important;
                border-color: var(--admin-sidebar-accent) !important;
                color: #fff !important;
            }
            .form-select,
            .dropdown-menu {
                background-color: rgba(21, 31, 50, 0.97);
                border-color: var(--admin-border);
                color: var(--admin-text);
            }
            .form-select:focus {
                background-color: rgba(21, 31, 50, 0.98);
                border-color: var(--admin-sidebar-accent);
                color: var(--admin-text);
                box-shadow: 0 0 0 0.18rem rgba(0, 194, 255, 0.18);
            }
            .form-select option {
                background: var(--admin-surface);
                color: var(--admin-text);
            }
            .app-checkbox-dropdown {
                position: relative;
            }
            .app-checkbox-dropdown .dropdown-toggle {
                min-height: 2.45rem;
                display: flex;
                align-items: center;
                justify-content: space-between;
                gap: 0.65rem;
                color: #c8d7ee !important;
                background: rgba(21, 31, 50, 0.9) !important;
                border-color: var(--admin-border) !important;
                font-weight: 800;
                box-shadow: none !important;
            }
            .app-checkbox-dropdown .dropdown-toggle:hover,
            .app-checkbox-dropdown .dropdown-toggle:focus,
            .app-checkbox-dropdown .dropdown-toggle[aria-expanded="true"] {
                color: #fff !important;
                background: rgba(0, 194, 255, 0.12) !important;
                border-color: var(--admin-sidebar-accent) !important;
                box-shadow: 0 0 0 0.18rem rgba(0, 194, 255, 0.12) !important;
            }
            .dropdown-menu,
            .app-checkbox-menu {
                background: rgba(21, 31, 50, 0.97);
                border: 1px solid var(--admin-border);
                color: var(--admin-text);
                border-radius: 0.5rem;
                box-shadow: 0 0.7rem 1.8rem rgba(0, 0, 0, 0.28);
                backdrop-filter: blur(10px);
            }
            .filter-dropdown-menu,
            .app-checkbox-menu {
                width: 100%;
                min-width: 260px;
                max-width: 360px;
                max-height: 320px;
                overflow: auto;
                padding: 0.6rem;
                z-index: 6000;
            }
            .drone-auto-sync-controls {
                display: flex;
                align-items: center;
                max-width: 22rem;
            }
            .drone-auto-sync-dropdown,
            .drone-auto-sync-dropdown .dropdown-toggle {
                width: 100%;
            }
            .drone-auto-sync-menu {
                max-height: 18rem;
            }
            .dropdown-item,
            .app-dropdown-check,
            .app-checkbox-menu .form-check-label {
                color: var(--admin-text);
            }
            .dropdown-item:hover,
            .dropdown-item:focus,
            .app-dropdown-check:hover,
            .app-dropdown-check:focus {
                background: rgba(0, 194, 255, 0.12);
                color: #fff;
            }
            .dropdown-divider {
                border-top-color: var(--admin-border);
                opacity: 1;
            }
            .form-check-input {
                background-color: rgba(11, 16, 32, 0.86);
                border-color: var(--admin-border);
            }
            .form-check-input:checked {
                background-color: var(--admin-sidebar-accent);
                border-color: var(--admin-sidebar-accent);
            }
            .form-check-input:focus {
                border-color: var(--admin-sidebar-accent);
                box-shadow: 0 0 0 0.18rem rgba(0, 194, 255, 0.18);
            }
            .source-selector .list-group-item {
                background: rgba(21, 31, 50, 0.9) !important;
                color: #c8d7ee !important;
                border-color: var(--admin-border) !important;
            }
            .source-selector .list-group-item:hover,
            .source-selector .list-group-item:focus {
                background: rgba(255, 255, 255, 0.06) !important;
                color: #fff !important;
            }
            .source-selector .list-group-item.active {
                background: var(--admin-sidebar-accent) !important;
                border-color: var(--admin-sidebar-accent) !important;
                color: #06111f !important;
                font-weight: 800;
            }
            .config-source-scroll {
                max-height: 520px;
                overflow-y: auto;
            }
            .config-filter-wrap {
                border-bottom: 1px solid var(--admin-border);
                background: rgba(11, 16, 32, 0.72);
            }
            .btn-outline-danger {
                color: #b42318 !important;
                border-color: #f1b7b2 !important;
                background: rgba(21, 31, 50, 0.9) !important;
            }
            .btn-outline-danger:hover {
                color: #fff !important;
                background: #b42318 !important;
                border-color: #b42318 !important;
            }
            button:not(.btn):not(.profile-chip) {
                background: var(--admin-sidebar-accent);
                color: #fff;
            }

            .auth-form {
                max-width: 440px;
                margin: 1rem auto;
            }
            .auth-form h2 {
                color: var(--admin-text);
                font-weight: 800;
            }
            .toggle-form button {
                background: transparent !important;
                color: var(--admin-sidebar-accent) !important;
            }
            .message.success, .message.error {
                display: block;
            }
            .device-card {
                border: 1px solid var(--admin-border);
                border-radius: 0.5rem;
            }
            .rom-item {
                background: rgba(31, 42, 68, 0.72);
                border-color: var(--admin-border);
                color: var(--admin-text);
            }
            .device-card h3, .tree-view summary, .rom-item strong {
                color: var(--admin-sidebar-accent);
            }
            .table {
                color: var(--admin-text);
                --bs-table-color: var(--admin-text);
                --bs-table-bg: transparent;
                --bs-table-border-color: var(--admin-border);
                --bs-table-striped-bg: rgba(255, 255, 255, 0.03);
                --bs-table-hover-bg: rgba(0, 194, 255, 0.08);
            }
            .table thead th {
                color: var(--admin-muted);
                border-color: var(--admin-border);
                font-size: 0.78rem;
                text-transform: uppercase;
            }
            .table td {
                border-color: var(--admin-border);
            }
            .tree-view details {
                margin-bottom: 0.75rem;
            }
            .tree-view li {
                border-color: rgba(255,255,255,0.08) !important;
                color: var(--admin-text);
            }
            .rom-browser-toolbar {
                background: rgba(31, 42, 68, 0.72);
                border: 1px solid var(--admin-border);
                border-radius: 0.5rem;
                padding: 0.9rem;
            }
            .profile-chip {
                background: transparent !important;
                width: 2.25rem;
                height: 2.25rem;
                padding: 0;
                border: 1px solid var(--admin-border);
                border-radius: 50%;
                color: var(--admin-muted);
                transform: none !important;
                box-shadow: none !important;
            }
            .profile-chip:hover {
                transform: none !important;
                box-shadow: none !important;
            }
            .avatar-top-right, .avatar-fallback {
                width: 2.25rem;
                height: 2.25rem;
            }
            .avatar-fallback {
                background: transparent;
                color: var(--admin-muted);
                font-size: 1rem;
            }
            .account-menu {
                flex: 0 0 auto;
                margin-left: 0.35rem;
                position: relative;
                z-index: 10001;
            }
            .sidebar .account-menu.requires-auth {
                display: none;
            }
            body.is-authenticated .sidebar .account-menu.requires-auth {
                display: block;
            }
            .account-menu > summary {
                list-style: none;
            }
            .account-menu > summary::-webkit-details-marker {
                display: none;
            }
            .account-menu[open] .profile-chip {
                border-color: var(--admin-sidebar-accent);
                color: var(--admin-sidebar-accent);
            }
            .account-menu-panel {
                background: rgba(21, 31, 50, 0.98);
                border: 1px solid var(--admin-border);
                border-radius: 0.5rem;
                box-shadow: 0 0.7rem 1.8rem rgba(0, 0, 0, 0.32);
                min-width: 12rem;
                padding: 0.4rem;
                position: absolute;
                right: 0;
                top: calc(100% + 0.55rem);
                z-index: 10002;
            }
            .account-menu-item {
                align-items: center;
                background: transparent !important;
                border: 0;
                border-radius: 0.35rem;
                color: var(--admin-text) !important;
                display: flex;
                font-size: 0.92rem;
                font-weight: 700;
                gap: 0.65rem;
                padding: 0.65rem 0.75rem;
                text-align: left;
                text-decoration: none;
                width: 100%;
            }
            .account-menu-item:hover,
            .account-menu-item:focus,
            .account-menu-item.active {
                background: rgba(0, 194, 255, 0.12) !important;
                color: var(--admin-sidebar-accent) !important;
            }
            .account-menu-logout {
                border-top: 1px solid var(--admin-border);
                border-radius: 0;
                margin-top: 0.25rem;
                padding-top: 0.8rem;
            }
            .notification-menu {
                display: none;
                position: relative;
                z-index: 10001;
            }
            body.is-authenticated .notification-menu.requires-auth {
                display: block;
            }
            .notification-button {
                min-width: 2.5rem;
                position: relative;
            }
            .notification-badge {
                align-items: center;
                background: #ff3b6b;
                border: 2px solid rgba(21, 31, 50, 0.98);
                border-radius: 999px;
                color: #fff;
                display: inline-flex;
                font-size: 0.68rem;
                font-weight: 800;
                height: 1.1rem;
                justify-content: center;
                line-height: 1;
                min-width: 1.1rem;
                padding: 0 0.22rem;
                position: absolute;
                right: 0.18rem;
                top: 0.12rem;
            }
            .notification-panel {
                background: rgba(21, 31, 50, 0.98);
                border: 1px solid var(--admin-border);
                border-radius: 0.5rem;
                box-shadow: 0 0.7rem 1.8rem rgba(0, 0, 0, 0.32);
                flex-direction: column;
                max-height: min(70vh, 34rem);
                min-width: min(24rem, calc(100vw - 2rem));
                overflow: hidden;
                position: fixed;
                right: 1rem;
                top: 4.25rem;
                z-index: 10002;
            }
            .notification-panel-header {
                align-items: center;
                border-bottom: 1px solid var(--admin-border);
                display: flex;
                justify-content: space-between;
                padding: 0.75rem;
            }
            .notification-list {
                flex: 1 1 auto;
                min-height: 0;
                overflow: auto;
                padding: 0.45rem;
            }
            .notification-panel-footer {
                border-top: 1px solid var(--admin-border);
                padding: 0.65rem;
            }
            .notification-item {
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
                padding: 0.7rem 0.55rem;
            }
            .notification-item.unread {
                background: rgba(0, 194, 255, 0.1);
                border-radius: 0.35rem;
            }
            .notification-title {
                color: var(--admin-text);
                font-weight: 800;
            }
            .notification-meta {
                color: var(--admin-muted);
                font-size: 0.78rem;
                margin-top: 0.25rem;
            }
            @media (max-width: 575px) {
                .notification-panel {
                    left: 0.75rem;
                    min-width: 0;
                    right: 0.75rem;
                    top: 4.75rem;
                }
            }
            .empty-state {
                background: rgba(31, 42, 68, 0.86);
                border: 1px dashed var(--admin-border);
                border-radius: 0.5rem;
                color: var(--admin-muted);
            }
            footer {
                background: transparent;
                border-color: var(--admin-border);
            }
            .connection-panel {
                background: rgba(0, 194, 255, 0.1);
                border: 1px solid rgba(0, 194, 255, 0.36);
                border-radius: 0.5rem;
                padding: 1rem;
                margin-bottom: 1rem;
            }
            .oauth-grid {
                display: grid;
                grid-template-columns: repeat(2, minmax(0, 1fr));
                gap: 0.6rem;
                margin: 1rem 0;
            }
            .oauth-grid .btn:disabled {
                opacity: 0.42;
                cursor: not-allowed;
            }

            @media (max-width: 991.98px) {
                .sidebar { min-height: auto; }
                .sidebar .btn { width: 100%; }
                .sidebar .menu-label { display: none !important; }
                .sidebar .resource-links {
                    display: inline-flex;
                    gap: .45rem;
                    flex: 0 0 auto;
                    margin-right: .25rem;
                }
                .sidebar .resource-icon-link,
                .sidebar .notification-button,
                .sidebar .profile-chip {
                    width: 2.35rem !important;
                    min-width: 2.35rem;
                    height: 2.35rem;
                    justify-content: center;
                }
                .sidebar .notification-menu,
                .sidebar .account-menu {
                    flex: 0 0 auto;
                }
                .nav-actions {
                    width: 100%;
                    justify-content: flex-start;
                    align-items: center;
                    overflow: visible;
                }
                .device-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
            }
            @media (max-width: 575.98px) {
                .device-grid { grid-template-columns: 1fr; }
                .sidebar {
                    padding-left: .75rem !important;
                    padding-right: .75rem !important;
                }
                .brand-block {
                    width: 100%;
                    min-width: 0;
                }
                .brand-title {
                    white-space: normal;
                    overflow-wrap: anywhere;
                }
                .nav-actions .nav-btn:not(.notification-button) {
                    flex: 1 1 10rem;
                }
            }