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body{background:#0f172a;color:#f1f5f9}:root[data-theme=dark] .app-header{background:#020617}:root[data-theme=dark] .header-nav a{color:#64748b}:root[data-theme=dark] .header-nav a:hover{color:#f1f5f9;background:#ffffff0f}:root[data-theme=dark] .header-nav a.active{color:#f1f5f9;background:#ffffff14}:root[data-theme=dark] .user-name{color:#94a3b8}:root[data-theme=dark] .card,:root[data-theme=dark] .detail-section,:root[data-theme=dark] .kiosk-card,:root[data-theme=dark] .login-card,:root[data-theme=dark] .confirm-dialog{background:#1e293b;border-color:#334155}:root[data-theme=dark] .card-header{border-bottom-color:#334155}:root[data-theme=dark] .kiosk-card:hover{background:#1e293b}:root[data-theme=dark] .kiosk-card-header .kiosk-card-name{color:#f1f5f9}:root[data-theme=dark] .kiosk-card-meta{color:#64748b}:root[data-theme=dark] .kiosk-card-actions{border-top-color:#334155}:root[data-theme=dark] .detail-row+.detail-row{border-top-color:#334155}:root[data-theme=dark] .detail-section 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