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var(--success)}.network-badge[data-type=online]{color:var(--success-fg);border-color:var(--success-border);background-color:var(--success-subtle)}.network-badge[data-type=offline] .network-dot{background-color:var(--danger)}.network-badge[data-type=offline]{color:var(--danger-fg);border-color:var(--danger-border);background-color:var(--danger-subtle)}.theme-toggle-btn{border-radius:var(--radius-md);border:1px solid var(--border-default);background-color:var(--bg-surface);width:34px;height:34px;color:var(--fg-muted);cursor:pointer;transition:var(--transition-fast);justify-content:center;align-items:center;display:inline-flex}.theme-toggle-btn:hover{background-color:var(--bg-surface-elevated);color:var(--fg-default);border-color:var(--border-strong)}@media (max-width:768px){.nav-segmented{display:none}}.mobile-bottom-nav{display:none}@media (max-width:768px){.mobile-bottom-nav{z-index:90;background-color:var(--bg-app);border-top:1px solid var(--border-default);padding:var(--space-2) var(--space-3) calc(var(--space-2) + env(safe-area-inset-bottom,0px));gap:var(--space-1);grid-template-columns:repeat(4,1fr);display:grid;position:fixed;bottom:0;left:0;right:0}.mobile-nav-item{color:var(--fg-muted);border-radius:var(--radius-md);transition:var(--transition-fast);flex-direction:column;justify-content:center;align-items:center;gap:3px;padding:6px 0;font-size:.725rem;font-weight:400;text-decoration:none;display:flex}.mobile-nav-item.active{color:var(--accent);font-weight:600}.mobile-nav-item svg{transition:var(--transition-fast)}.mobile-nav-item.active svg{transform:translateY(-1px)}}.ephemeral-banner{justify-content:space-between;align-items:center;gap:var(--space-2);background-color:var(--warning-subtle);border:1px solid var(--warning-border);border-radius:var(--radius-md);margin-bottom:var(--space-4);color:var(--warning-fg);padding:8px 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var(--space-6);border-radius:var(--radius-lg);font-size:1rem}.full-width{width:100%}.button-block{width:100%;margin-top:var(--space-3)}.button-block-danger{color:var(--danger-fg);border-color:var(--danger-border)}.button-block-danger:hover:not(:disabled){background-color:var(--danger-subtle)}.badge{padding:3px var(--space-2);text-transform:uppercase;letter-spacing:.04em;border-radius:var(--radius-sm);border:1px solid #0000;align-items:center;gap:4px;font-size:.7rem;font-weight:600;display:inline-flex}.badge-primary{background-color:var(--accent-subtle);color:var(--accent);border-color:var(--accent-border)}.badge-emerald{background-color:var(--success-subtle);color:var(--success-fg);border-color:var(--success-border)}.badge-amber{background-color:var(--warning-subtle);color:var(--warning-fg);border-color:var(--warning-border)}.badge-slate{background-color:var(--bg-surface-elevated);color:var(--fg-muted);border-color:var(--border-default)}.wizard-steps{margin-bottom:var(--space-6);padding:var(--space-3) var(--space-4);background-color:var(--bg-surface);border:1px solid var(--border-default);border-radius:var(--radius-lg);justify-content:space-between;align-items:center;gap:var(--space-2);display:flex}.wizard-steps .step{align-items:center;gap:var(--space-2);color:var(--fg-subtle);font-size:.8125rem;font-weight:400;display:flex}.wizard-steps 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p{color:var(--fg-muted);font-size:.8125rem}.file-input{display:none}.file-upload-wrapper{width:100%;margin-bottom:var(--space-6)}.file-upload-section-label{color:var(--fg-default);margin-bottom:var(--space-2);align-items:center;gap:4px;font-size:.9375rem;font-weight:600;display:flex}.file-upload-section-label .required-star{color:var(--danger,#ef4444)}.file-upload-box{border:1.5px dashed var(--border-strong,#cbd5e1);border-radius:var(--radius-xl,12px);background-color:var(--bg-surface,#f9fafb);text-align:center;cursor:pointer;box-sizing:border-box;flex-direction:column;justify-content:center;align-items:center;width:100%;min-height:200px;padding:32px 20px;transition:all .2s;display:flex}.file-upload-box:hover,.file-upload-box.is-dragging{border-color:var(--accent,#06f);background-color:var(--accent-subtle,#eff6ff)}.file-upload-icon-circle{background-color:var(--bg-app,#fff);border:1px solid 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var(--border-default);width:36px;height:36px;color:var(--accent);flex-shrink:0;justify-content:center;align-items:center;display:flex}.file-icon--success{color:var(--success-fg);background-color:var(--success-subtle);border-color:var(--success-border)}.file-item-name{color:var(--fg-default);white-space:nowrap;text-overflow:ellipsis;font-size:.875rem;font-weight:600;overflow:hidden}.file-item-size{color:var(--fg-muted);font-size:.75rem}.file-row-actions{align-items:center;gap:var(--space-2);flex-shrink:0;display:flex}.file-remove-btn{color:var(--fg-subtle);cursor:pointer;border-radius:var(--radius-xs);transition:var(--transition-fast);background:0 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var(--space-4);background-color:var(--bg-app);border:1px solid var(--border-default);border-radius:var(--radius-lg);cursor:pointer;transition:var(--transition-fast)}.vault-option-card:hover{border-color:var(--border-strong)}.vault-option-card.active{border-color:var(--accent);background-color:var(--accent-subtle)}.option-card__copy{align-items:flex-start;gap:var(--space-3);min-width:0;display:flex}.option-card__icon{border-radius:var(--radius-md);border:1px solid 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var(--space-3);background-color:var(--bg-surface-elevated);border:1px solid var(--border-default);border-radius:var(--radius-md);color:var(--fg-default);cursor:pointer;outline:none;font-size:.8125rem;font-weight:600}.expiry-row select:focus{border-color:var(--accent)}.field-icon{color:var(--fg-muted)}.progress-container{width:100%;margin:var(--space-4) 0}.progress-bar{background-color:var(--bg-muted);border-radius:var(--radius-full);width:100%;height:8px;position:relative;overflow:hidden}.progress-fill{background-color:var(--accent);border-radius:var(--radius-full);height:100%;width:var(--progress-width,0%);transition:width .15s ease-out}.progress-fill.green-fill{background-color:var(--accent)}.progress-text{color:var(--fg-muted);margin-top:var(--space-1);justify-content:space-between;font-size:.75rem;font-weight:600;display:flex}.share-section{background-color:var(--bg-surface);border:1px solid var(--border-default);border-radius:var(--radius-xl);padding:var(--space-6);text-align:center}.share-section h3{color:var(--fg-default);justify-content:center;align-items:center;gap:var(--space-2);margin-bottom:var(--space-4);font-size:1.25rem;font-weight:600;display:flex}.share-heading-icon{color:var(--success-fg)}.status-message{align-items:center;gap:var(--space-3);padding:var(--space-3) var(--space-4);border-radius:var(--radius-md);text-align:left;margin-bottom:var(--space-4);font-size:.85rem;font-weight:400;display:flex}.status-message.success{background-color:var(--success-subtle);color:var(--success-fg);border:1px solid var(--success-border)}.status-message.info{background-color:var(--accent-subtle);color:var(--accent);border:1px solid var(--accent-border)}.status-message.error{background-color:var(--danger-subtle);color:var(--danger-fg);border:1px solid var(--danger-border)}.file-meta{gap:var(--space-2);margin-bottom:var(--space-4);grid-template-columns:repeat(auto-fit,minmax(130px,1fr));display:grid}.meta-item{background-color:var(--bg-app);border:1px solid var(--border-default);border-radius:var(--radius-md);padding:var(--space-3);text-align:left}.meta-item label{text-transform:uppercase;color:var(--fg-muted);margin-bottom:2px;font-size:.7rem;font-weight:600;display:block}.meta-item span{color:var(--fg-default);font-size:.875rem;font-weight:600}.burn-banner{align-items:center;gap:var(--space-3);padding:var(--space-3) var(--space-4);background-color:var(--danger-subtle);border:1px solid var(--danger-border);border-radius:var(--radius-md);margin-bottom:var(--space-4);text-align:left;display:flex}.burn-icon{color:var(--danger-fg);flex-shrink:0}.burn-title{color:var(--danger-fg);font-size:.875rem;font-weight:600;display:block}.burn-copy{color:var(--danger-fg);opacity:.9;font-size:.775rem}.crypto-code-box{background-color:var(--bg-app);border:1px solid var(--border-default);border-radius:var(--radius-lg);padding:var(--space-4);margin-bottom:var(--space-4);text-align:left}.crypto-code-label--success{align-items:center;gap:var(--space-1);color:var(--success-fg);margin-bottom:var(--space-2);font-size:.75rem;font-weight:600;display:flex}.crypto-code-text{color:var(--fg-default);word-break:break-all;letter-spacing:.04em;background-color:var(--bg-surface-elevated);padding:var(--space-3);border-radius:var(--radius-md);border:1px solid 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var(--border-default);border-radius:var(--radius-lg);padding:var(--space-3);flex-direction:column;gap:4px;display:flex}.telemetry-label{text-transform:uppercase;letter-spacing:.03em;color:var(--fg-subtle);font-size:.725rem;font-weight:600}.telemetry-val{color:var(--fg-default);align-items:center;gap:6px;font-size:.875rem;font-weight:600;display:flex}.crypto-code-header{justify-content:space-between;align-items:center;gap:var(--space-2);margin-bottom:var(--space-2);display:flex}.code-hint-badge{color:var(--fg-muted);font-size:.725rem}.crypto-code-display-row{align-items:center;gap:var(--space-3);display:flex}.copy-code-btn{flex-shrink:0}.qr-heading-left{align-items:center;gap:8px;display:flex}.qr-actions-row{justify-content:center;align-items:center;gap:var(--space-2);margin-top:var(--space-3);flex-wrap:wrap;display:flex}.result-actions-footer{justify-content:space-between;align-items:center;gap:var(--space-3);margin-top:var(--space-4);padding-top:var(--space-4);border-top:1px solid var(--border-subtle);flex-wrap:wrap;display:flex}.file-thumb-container{border-radius:var(--radius-lg);border:1px solid var(--border-default);cursor:pointer;flex-shrink:0;width:44px;height:44px;position:relative;overflow:hidden}.file-thumb-img{-o-object-fit:cover;object-fit:cover;width:100%;height:100%}.file-thumb-overlay{color:#fff;opacity:0;background-color:#0006;justify-content:center;align-items:center;transition:opacity .15s;display:flex;position:absolute;top:0;right:0;bottom:0;left:0}.file-thumb-container:hover .file-thumb-overlay{opacity:1}.file-size-badge{border-radius:var(--radius-sm);background-color:var(--bg-subtle);color:var(--fg-default);padding:2px 6px;font-size:.75rem;font-weight:600}.file-details-name{color:var(--fg-default);margin:0 0 2px;font-size:1.05rem;font-weight:700}.file-details-meta{color:var(--fg-muted);align-items:center;gap:6px;margin:0;font-size:.8125rem;display:flex}.sender-history-section{margin-top:var(--space-8);padding-top:var(--space-6);border-top:1px solid var(--border-default)}.sender-history-header{margin-bottom:var(--space-4);justify-content:space-between;align-items:center;display:flex}.sender-history-title-group{align-items:center;gap:8px;display:flex}.sender-history-icon{color:var(--accent)}.sender-history-title{color:var(--fg-default);margin:0;font-size:1.05rem;font-weight:700}.sender-history-grid{gap:var(--space-3);grid-template-columns:repeat(auto-fit,minmax(300px,1fr));display:grid}.sender-history-card{background-color:var(--bg-surface);border:1px solid var(--border-default);border-radius:var(--radius-xl);padding:var(--space-4);gap:var(--space-3);box-shadow:var(--shadow-sm);transition:var(--transition-fast);flex-direction:column;display:flex}.sender-history-card:hover{border-color:var(--border-strong);box-shadow:var(--shadow-md)}.sender-history-card--current{border-color:var(--accent);background-color:var(--accent-subtle)}.sender-history-card--inactive{opacity:.75}.history-card-name-row{flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:2px;display:flex}.history-card-name{color:var(--fg-default);white-space:nowrap;text-overflow:ellipsis;max-width:220px;font-size:.95rem;font-weight:600;overflow:hidden}.history-card-meta{color:var(--fg-muted);flex-wrap:wrap;align-items:center;gap:6px;font-size:.775rem;display:flex}.history-time-badge{color:var(--accent);align-items:center;gap:4px;font-weight:500;display:inline-flex}.history-code-strip{background-color:var(--bg-app);border:1px solid var(--border-subtle);border-radius:var(--radius-md);justify-content:space-between;align-items:center;padding:6px 10px;display:flex}.history-code-val{font-family:var(--font-mono);color:var(--accent);align-items:center;gap:6px;font-size:.85rem;font-weight:700;display:flex}.history-card-footer{justify-content:space-between;align-items:center;gap:var(--space-2);padding-top:var(--space-2);border-top:1px solid var(--border-subtle);display:flex}.history-status-pill{font-size:.75rem}.history-card-actions{align-items:center;gap:6px;display:flex}.sender-dashboard-grid-7{gap:var(--space-3);margin-top:var(--space-4);margin-bottom:var(--space-4);grid-template-columns:repeat(auto-fit,minmax(280px,1fr));display:grid}.dashboard-box{background-color:var(--bg-surface);border:1px solid var(--border-default);border-radius:var(--radius-xl);padding:var(--space-4);gap:var(--space-3);box-shadow:var(--shadow-sm);transition:var(--transition-fast);flex-direction:column;display:flex}.dashboard-box:hover{border-color:var(--border-strong);box-shadow:var(--shadow-md)}.dashboard-box-header{justify-content:space-between;align-items:center;gap:var(--space-2);padding-bottom:var(--space-2);border-bottom:1px solid var(--border-subtle);display:flex}.box-header-title{text-transform:uppercase;letter-spacing:.03em;color:var(--fg-default);align-items:center;gap:6px;font-size:.825rem;font-weight:700;display:flex}.box-header-icon{color:var(--accent)}.box-preview-content{align-items:center;gap:var(--space-3);display:flex}.preview-thumb-wrap{border-radius:var(--radius-lg);background-color:var(--bg-subtle);border:1px solid var(--border-default);flex-shrink:0;justify-content:center;align-items:center;width:44px;height:44px;display:flex}.preview-info-text{flex:1;min-width:0}.preview-filename{color:var(--fg-default);white-space:nowrap;text-overflow:ellipsis;font-size:.95rem;font-weight:700;display:block;overflow:hidden}.preview-filesize{color:var(--fg-muted);font-size:.775rem}.box-preview-btn{width:100%;margin-top:auto}.dashboard-code-display{background-color:var(--bg-app);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:var(--space-3);text-align:center}.dashboard-code-text{font-family:var(--font-mono);letter-spacing:.06em;color:var(--accent);font-size:1.25rem;font-weight:800}.box-copy-btn{width:100%}.dashboard-box-hint{color:var(--fg-muted);margin-top:auto;font-size:.75rem;line-height:1.35}.dashboard-qr-wrapper{border-radius:var(--radius-lg);border:1px solid var(--border-subtle);background-color:#fff;justify-content:center;align-items:center;width:-moz-fit-content;width:fit-content;margin:0 auto;padding:10px;display:flex}.dashboard-qr-actions{flex-wrap:wrap;justify-content:center;align-items:center;gap:6px;display:flex}.dashboard-metric-hero{color:var(--fg-default);align-items:center;gap:8px;font-size:1.25rem;font-weight:800;display:flex}.hero-val{font-size:1.25rem;font-weight:800}.hero-val--subtle{font-size:1rem;font-weight:600}.dashboard-metric-subtext{color:var(--fg-muted);margin:0;font-size:.775rem;line-height:1.35}.dashboard-progress-track{background-color:var(--bg-subtle);border-radius:var(--radius-full);height:6px;margin-top:auto;overflow:hidden}.dashboard-progress-fill{border-radius:var(--radius-full);height:100%;transition:width .3s}.pulse-dot{background-color:var(--success-fg);width:10px;height:10px;box-shadow:0 0 8px var(--success-fg);border-radius:50%;flex-shrink:0;animation:1.8s infinite pulse;display:inline-block}.active-user-pill{color:var(--fg-subtle);background-color:var(--bg-app);border:1px solid var(--border-subtle);border-radius:var(--radius-md);margin-top:auto;padding:4px 8px;font-size:.725rem}.dashboard-status-list{flex-direction:column;gap:6px;display:flex}.status-item-row{color:var(--fg-default);align-items:center;gap:6px;font-size:.8rem;display:flex}.sender-dashboard-grid-4{gap:var(--space-3);margin-top:var(--space-4);margin-bottom:var(--space-4);grid-template-columns:repeat(auto-fit,minmax(260px,1fr));display:grid}@media (max-width:768px){input[type=text],input[type=number],input[type=password],input[type=search],input[type=email],select,textarea,.code-input-single,.manual-key-input{font-size:16px!important}.sender-dashboard-grid-4,.sender-dashboard-grid-7{grid-template-columns:1fr}.transfer-telemetry-grid{gap:var(--space-2);grid-template-columns:1fr 1fr}.mobile-bottom-nav{padding-bottom:max(var(--space-2),env(safe-area-inset-bottom,16px))}.preview-modal{max-height:92dvh;margin:var(--space-2);width:calc(100% - var(--space-4))}.preview-body{-webkit-overflow-scrolling:touch;max-height:calc(92dvh - 120px);overflow-y:auto}.btn{touch-action:manipulation;min-height:44px}.app-footer{padding-bottom:calc(72px + env(safe-area-inset-bottom,16px))}}.vault-settings{margin-top:var(--space-4);gap:var(--space-2);flex-direction:column;display:flex}.vault-option-card{background:var(--bg-surface);border:1px solid var(--border-default);border-radius:var(--radius-lg);cursor:pointer;transition:var(--transition-normal);-webkit-user-select:none;-moz-user-select:none;user-select:none;padding:12px 14px}.vault-option-card:hover{border-color:var(--accent);background:var(--bg-surface-elevated)}.vault-option-card.active{border-color:var(--accent);background:var(--accent-subtle);box-shadow:0 0 0 1px var(--accent)}.option-card__content{justify-content:space-between;align-items:center;gap:var(--space-3);display:flex}.option-card__copy{flex:1;align-items:flex-start;gap:12px;display:flex}.option-card__icon{border-radius:var(--radius-md);flex-shrink:0;justify-content:center;align-items:center;width:34px;height:34px;margin-top:2px;display:flex}.option-card__icon--danger{background:var(--danger-subtle);color:var(--danger-fg)}.option-card__icon--success{background:var(--success-subtle);color:var(--success-fg)}.option-card__icon--primary{background:var(--accent-subtle);color:var(--accent)}.option-card__title-row{flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:2px;display:flex}.option-card__title{color:var(--fg-default);font-size:.9rem;font-weight:600}.option-card__description{color:var(--fg-muted);font-size:.775rem;line-height:1.35;display:block}.option-checkbox{width:18px;height:18px;accent-color:var(--accent);cursor:pointer;flex-shrink:0}.vault-option-helper{border-top:1px dashed var(--border-subtle);margin-top:8px;padding-top:8px}.vault-helper-toggle{color:var(--fg-muted);cursor:pointer;border-radius:var(--radius-xs);background:0 0;border:none;align-items:center;gap:4px;padding:2px 4px;font-size:.75rem;display:flex}.vault-helper-toggle:hover{color:var(--accent)}.vault-helper-pane{background:var(--bg-subtle);border-radius:var(--radius-md);color:var(--fg-default);margin-top:6px;padding:8px 10px;font-size:.75rem}.point-wise-guide{flex-direction:column;gap:6px;display:flex}.guide-point strong{color:var(--accent);margin-right:4px}.guide-point p{color:var(--fg-muted);margin:0;display:inline}.expiry-pill-btn:hover{border-color:var(--accent)!important;color:var(--accent)!important}.sender-qr-inline-card{transition:var(--transition-fast)}.sender-qr-inline-card:hover{border-color:var(--accent)!important}.app,.main-content,.page-container,.upload-result,.sender-dashboard,.sender-dashboard-grid-7,.sender-dashboard-grid-4{max-width:100%;overflow-x:hidden}.dashboard-code-text{word-break:break-all;overflow-wrap:break-word}@media (max-width:768px){.app{max-width:100vw;overflow-x:hidden}.page-container{max-width:100%;padding:0}.upload-result,.sender-dashboard{border-radius:var(--radius-lg)}.dashboard-box{min-width:0}.sender-dashboard-grid-7,.sender-dashboard-grid-4{gap:var(--space-3)!important;grid-template-columns:1fr!important}.dashboard-code-actions-row{flex-direction:column}.dashboard-code-actions-row .btn{width:100%}.result-actions-footer{gap:var(--space-2);flex-direction:column}.result-actions-footer .btn{width:100%}.sender-qr-inline-card{max-width:100%;overflow:hidden}}@media (min-width:769px) and (max-width:1024px){.sender-dashboard-grid-7,.sender-dashboard-grid-4{grid-template-columns:1fr 1fr!important}}@media (max-width:768px){.main-content{padding:var(--space-3) var(--space-2) calc(var(--space-16) + 70px)!important}button,select,input,.btn{min-height:44px}h1,.hero-title{font-size:2.25rem!important;line-height:1.1!important}h2{font-size:1.75rem!important}.upload-container,.download-container{padding:var(--space-4) var(--space-3)!important;border-radius:var(--radius-md)!important;margin:0!important}.hero-card,.upload-container,.download-container{box-shadow:var(--shadow-sm)!important}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-space-y-reverse{syntax:"*";inherits:false;initial-value:0}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-leading{syntax:"*";inherits:false}@property --tw-font-weight{syntax:"*";inherits:false}@property --tw-tracking{syntax:"*";inherits:false}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-duration{syntax:"*";inherits:false}@keyframes pulse{50%{opacity:.5}}