:root {
    --bg-dark: #050507;
    --bg-card: #0a0b10;
    --bg-card-hover: #101218;
    
    --text-main: #e2e8f0;
    --text-muted: #64748b;
    
    --neon-blue: #00f0ff;
    --neon-green: #39ff14;
    --neon-red: #ff003c;
    
    --border-color: #1e293b;
    --border-glow: rgba(0, 240, 255, 0.2);
    
    --font-ui: 'Inter', sans-serif;
    --font-mono: 'Roboto Mono', monospace;
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-ui);
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
    overflow-x: hidden;
}

.hidden {
    display: none !important;
}

/* --- BOOT SEQUENCE --- */
#boot-sequence {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background-color: var(--bg-dark);
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity 0.8s ease-out;
}
#boot-sequence.inactive {
    opacity: 0;
    pointer-events: none;
}
#matrix-canvas {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: 1;
}
.splash-content {
    position: relative;
    z-index: 2;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}
.glitch, .glitch-sub {
    position: relative;
    color: var(--text-main);
    font-weight: 800;
    text-transform: uppercase;
}
.glitch { font-size: 4rem; letter-spacing: 4px; text-shadow: 0 0 10px rgba(255,255,255,0.3); }
.glitch-sub { font-size: 1.5rem; color: var(--neon-blue); letter-spacing: 2px; }

.glitch::before, .glitch::after,
.glitch-sub::before, .glitch-sub::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: transparent;
}
.glitch::before, .glitch-sub::before {
    left: 2px;
    text-shadow: -2px 0 var(--neon-red);
    clip: rect(44px, 450px, 56px, 0);
    animation: glitch-anim 5s infinite linear alternate-reverse;
}
.glitch::after, .glitch-sub::after {
    left: -2px;
    text-shadow: -2px 0 var(--neon-blue);
    clip: rect(44px, 450px, 56px, 0);
    animation: glitch-anim2 5s infinite linear alternate-reverse;
}

@keyframes glitch-anim {
    0% { clip: rect(10px, 9999px, 86px, 0); transform: skew(0.5deg); }
    5% { clip: rect(61px, 9999px, 92px, 0); transform: skew(0.5deg); }
    10% { clip: rect(42px, 9999px, 5px, 0); transform: skew(0.5deg); }
    15% { clip: rect(16px, 9999px, 14px, 0); transform: skew(0.5deg); }
    20% { clip: rect(81px, 9999px, 52px, 0); transform: skew(0.5deg); }
    25% { clip: rect(81px, 9999px, 82px, 0); transform: skew(0.5deg); }
    30% { clip: rect(49px, 9999px, 32px, 0); transform: skew(0.5deg); }
    35% { clip: rect(48px, 9999px, 16px, 0); transform: skew(0.5deg); }
    40% { clip: rect(21px, 9999px, 96px, 0); transform: skew(0.5deg); }
    45% { clip: rect(32px, 9999px, 20px, 0); transform: skew(0.5deg); }
    50% { clip: rect(93px, 9999px, 37px, 0); transform: skew(0.5deg); }
    55% { clip: rect(21px, 9999px, 63px, 0); transform: skew(0.5deg); }
    60% { clip: rect(86px, 9999px, 73px, 0); transform: skew(0.5deg); }
    65% { clip: rect(4px, 9999px, 66px, 0); transform: skew(0.5deg); }
    70% { clip: rect(14px, 9999px, 20px, 0); transform: skew(0.5deg); }
    75% { clip: rect(92px, 9999px, 14px, 0); transform: skew(0.5deg); }
    80% { clip: rect(4px, 9999px, 83px, 0); transform: skew(0.5deg); }
    85% { clip: rect(84px, 9999px, 7px, 0); transform: skew(0.5deg); }
    90% { clip: rect(63px, 9999px, 49px, 0); transform: skew(0.5deg); }
    95% { clip: rect(69px, 9999px, 29px, 0); transform: skew(0.5deg); }
    100% { clip: rect(15px, 9999px, 84px, 0); transform: skew(0.5deg); }
}

@keyframes glitch-anim2 {
    0% { clip: rect(19px, 9999px, 43px, 0); transform: skew(0.5deg); }
    5% { clip: rect(24px, 9999px, 16px, 0); transform: skew(0.5deg); }
    10% { clip: rect(84px, 9999px, 48px, 0); transform: skew(0.5deg); }
    15% { clip: rect(46px, 9999px, 32px, 0); transform: skew(0.5deg); }
    20% { clip: rect(46px, 9999px, 48px, 0); transform: skew(0.5deg); }
    25% { clip: rect(15px, 9999px, 84px, 0); transform: skew(0.5deg); }
    30% { clip: rect(16px, 9999px, 49px, 0); transform: skew(0.5deg); }
    35% { clip: rect(8px, 9999px, 16px, 0); transform: skew(0.5deg); }
    40% { clip: rect(12px, 9999px, 64px, 0); transform: skew(0.5deg); }
    45% { clip: rect(64px, 9999px, 12px, 0); transform: skew(0.5deg); }
    50% { clip: rect(32px, 9999px, 32px, 0); transform: skew(0.5deg); }
    55% { clip: rect(48px, 9999px, 24px, 0); transform: skew(0.5deg); }
    60% { clip: rect(64px, 9999px, 64px, 0); transform: skew(0.5deg); }
    65% { clip: rect(12px, 9999px, 48px, 0); transform: skew(0.5deg); }
    70% { clip: rect(8px, 9999px, 16px, 0); transform: skew(0.5deg); }
    75% { clip: rect(32px, 9999px, 64px, 0); transform: skew(0.5deg); }
    80% { clip: rect(16px, 9999px, 32px, 0); transform: skew(0.5deg); }
    85% { clip: rect(48px, 9999px, 48px, 0); transform: skew(0.5deg); }
    90% { clip: rect(24px, 9999px, 12px, 0); transform: skew(0.5deg); }
    95% { clip: rect(16px, 9999px, 24px, 0); transform: skew(0.5deg); }
    100% { clip: rect(32px, 9999px, 48px, 0); transform: skew(0.5deg); }
}

.loader {
    width: 48px;
    height: 48px;
    border: 4px solid var(--border-color);
    border-bottom-color: var(--neon-green);
    border-radius: 50%;
    animation: rotation 1s linear infinite;
    margin-top: 2rem;
}
@keyframes rotation {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* --- APP WRAPPER --- */
#app-wrapper {
    height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    animation: fadeIn 1s ease-out;
}
.view {
    padding: 1rem 2rem;
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    flex: 1;
    display: flex;
    flex-direction: column;
    box-sizing: border-box;
    overflow: hidden;
}

#host-view {
    display: grid;
    grid-template-columns: 320px 1fr;
    grid-template-rows: minmax(0, 1fr);
    gap: 1.5rem;
    height: 100%;
    overflow: hidden;
    min-height: 0;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

/* --- HEADER --- */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: 2px;
}
.neon-blue { color: var(--neon-blue); text-shadow: 0 0 10px rgba(0, 240, 255, 0.4); }
.neon-green { color: var(--neon-green); text-shadow: 0 0 10px rgba(57, 255, 20, 0.4); }

.btn-icon {
    background: none;
    border: none;
    color: var(--text-main);
    cursor: pointer;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all 0.2s;
}
.btn-icon:hover {
    color: var(--neon-blue);
    background: rgba(0, 240, 255, 0.1);
}
.btn-icon svg {
    width: 20px;
    height: 20px;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    background: var(--bg-card);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    border: 1px solid var(--border-color);
}
.status-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
}
.status-dot.offline { background: var(--text-muted); }
.status-dot.online { background: var(--neon-green); box-shadow: 0 0 8px var(--neon-green); }

/* --- CARDS --- */
.cards-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    overflow-y: auto;
    min-height: 0;
    max-height: 100%;
    padding-bottom: 1rem;
    padding-right: 0.5rem; /* For scrollbar */
}
@media (max-width: 900px) {
    #host-view {
        grid-template-columns: 1fr;
        grid-template-rows: auto 1fr;
        overflow-y: auto;
    }
    .cards-container { 
        display: grid;
        grid-template-columns: 1fr 1fr;
    }
}
@media (max-width: 600px) {
    .cards-container { 
        grid-template-columns: 1fr;
    }
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1rem;
    position: relative;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    flex-shrink: 0;
}
.card:hover {
    border-color: var(--neon-blue);
    box-shadow: 0 0 20px var(--border-glow);
}
.card h2 {
    font-size: 0.75rem;
    color: var(--text-muted);
    letter-spacing: 2px;
    margin-bottom: 0.5rem;
    font-family: var(--font-mono);
}

/* --- QR SECTION --- */
.qr-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 140px;
    background: rgba(0,0,0,0.3);
    border-radius: 8px;
    margin-bottom: 1rem;
    padding: 0.5rem;
}
.qr-placeholder {
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 0.8rem;
}
#qrcode img, #qrcode canvas {
    border-radius: 8px;
    box-shadow: 0 0 15px rgba(255,255,255,0.1);
}
.join-info {
    text-align: center;
}
.join-url {
    font-family: var(--font-mono);
    color: var(--neon-blue);
    font-size: 0.85rem;
    word-break: break-all;
    margin-bottom: 0.5rem;
    user-select: all;
    background: rgba(0, 240, 255, 0.1);
    padding: 0.5rem;
    border-radius: 4px;
}
.join-instruction {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* --- FILE EXPLORER --- */
.explorer-section {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    position: relative;
    height: 100%;
    box-sizing: border-box;
    overflow: hidden;
}
.explorer-header h2 {
    font-size: 0.9rem;
    color: var(--text-muted);
    letter-spacing: 2px;
    font-family: var(--font-mono);
    margin-bottom: 0.5rem;
}
.breadcrumbs {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--neon-blue);
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}
.crumb {
    cursor: pointer;
    transition: color 0.2s;
}
.crumb:hover {
    color: #fff;
    text-shadow: 0 0 8px var(--neon-blue);
}

.file-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 1rem;
    overflow-y: auto;
    flex: 1;
    align-content: start;
    padding-right: 5px;
}
.file-grid::-webkit-scrollbar {
    width: 6px;
}
.file-grid::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}
.file-item {
    background: rgba(255,255,255,0.02);
    border: 1px solid transparent;
    border-radius: 8px;
    padding: 1rem 0.5rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}
.file-item:hover, .file-item.selected {
    background: rgba(255,255,255,0.05);
    border-color: var(--border-color);
    transform: translateY(-2px);
}
.file-item.selected {
    border-color: var(--neon-blue);
    background: rgba(0, 240, 255, 0.1);
    box-shadow: 0 0 15px rgba(0, 240, 255, 0.2);
}
.file-item.folder:hover {
    border-color: var(--neon-green);
    box-shadow: 0 0 10px rgba(57, 255, 20, 0.2);
}
.file-item.file:hover {
    border-color: var(--neon-blue);
    box-shadow: 0 0 10px rgba(0, 240, 255, 0.2);
}
.item-icon {
    width: 48px;
    height: 48px;
    display: flex;
    justify-content: center;
    align-items: center;
}
.folder-icon { color: var(--neon-green); }
.file-icon { color: var(--neon-blue); }
.item-name {
    font-size: 0.8rem;
    word-break: break-all;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.item-meta {
    font-size: 0.65rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

/* --- ACTION BUTTONS --- */
.action-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
}
.action-btn {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 0.5rem;
    background: var(--bg-dark);
    color: var(--text-main);
    border: 1px solid var(--border-color);
    padding: 0.5rem 0.5rem;
    font-size: 0.75rem;
    border-radius: 8px;
}
.action-btn svg {
    width: 16px;
    height: 16px;
}
.action-btn:hover {
    background: rgba(255,255,255,0.05);
    border-color: var(--neon-blue);
    box-shadow: 0 0 15px rgba(0, 240, 255, 0.1);
    transform: translateY(0);
}
.hidden-input { display: none; }

/* --- DOWNLOAD OVERLAY --- */
.download-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(10, 11, 16, 0.9);
    backdrop-filter: blur(5px);
    z-index: 100;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    border-radius: 12px;
}

/* --- EXTRA STYLES FOR PASSWORD --- */
.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}
.header-btn {
    width: 36px;
    height: 36px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
}
.header-btn:hover {
    border-color: var(--neon-red);
    color: var(--neon-red);
    box-shadow: 0 0 10px rgba(255,0,60,0.3);
}

.modal {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(5,5,7,0.9);
    z-index: 5000;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    backdrop-filter: blur(10px);
}
.modal-content {
    max-width: 400px;
    width: 100%;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}
.modal-content p {
    color: var(--text-muted);
    font-size: 0.9rem;
}
.custom-input {
    width: 100%;
    padding: 0.75rem 1rem;
    background: rgba(0,0,0,0.5);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-main);
    font-family: var(--font-mono);
    outline: none;
    transition: all 0.3s;
}
.custom-input:focus {
    border-color: var(--neon-red);
    box-shadow: 0 0 10px rgba(255,0,60,0.2);
}
.custom-btn {
    width: 100%;
    padding: 0.75rem;
    background: var(--neon-red);
    color: #000;
    border: none;
    border-radius: 6px;
    font-weight: 800;
    cursor: pointer;
    transition: all 0.3s;
    letter-spacing: 2px;
}
.custom-btn:hover {
    box-shadow: 0 0 15px var(--neon-red);
    transform: translateY(-2px);
}
.error-text {
    color: var(--neon-red) !important;
    font-size: 0.8rem;
    font-weight: 600;
}

/* --- SEARCH BAR --- */
.search-container {
    position: relative;
    display: inline-block;
}
.search-input {
    background: rgba(0,0,0,0.3);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    color: var(--text-main);
    transition: all 0.3s;
}
.search-input:focus {
    border-color: var(--neon-blue);
    box-shadow: 0 0 10px rgba(0, 240, 255, 0.2);
    width: 200px !important;
}

/* --- LIST VIEW --- */
.file-grid.list-view {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}
.file-grid.list-view .file-item {
    flex-direction: row;
    justify-content: flex-start;
    padding: 0.5rem 1rem;
    height: auto;
}
.file-grid.list-view .item-icon {
    width: 24px;
    height: 24px;
    margin-right: 1rem;
}
.file-grid.list-view .item-name {
    flex: 1;
    text-align: left;
    white-space: nowrap;
    -webkit-line-clamp: unset;
    text-overflow: ellipsis;
}
.file-grid.list-view .item-meta {
    margin-left: auto;
}

/* --- CONTEXT MENU --- */
.context-menu {
    position: fixed;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.5rem 0;
    z-index: 9999;
    box-shadow: 0 5px 20px rgba(0,0,0,0.5);
    min-width: 150px;
}
.context-item {
    padding: 0.5rem 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    transition: background 0.2s;
}
.context-item:hover {
    background: rgba(255,255,255,0.05);
}
.context-item svg {
    width: 16px;
    height: 16px;
}

/* --- CHAT SIDEBAR --- */
.chat-sidebar {
    position: fixed;
    top: 0; right: 0; bottom: 0;
    width: 300px;
    max-width: 100%;
    background: rgba(10, 11, 16, 0.95);
    backdrop-filter: blur(10px);
    border-left: 1px solid var(--border-color);
    z-index: 4000;
    display: flex;
    flex-direction: column;
    transform: translateX(0);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.chat-sidebar.hidden {
    transform: translateX(100%);
    display: flex !important; /* Override .hidden display:none to allow animation */
}
.chat-header {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.chat-header h3 {
    color: var(--neon-blue);
    font-size: 1rem;
}
.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.chat-msg {
    padding: 0.5rem 0.75rem;
    border-radius: 8px;
    font-size: 0.85rem;
    max-width: 85%;
    word-break: break-word;
}
.chat-msg.system {
    align-self: center;
    background: transparent;
    color: var(--text-muted);
    font-size: 0.75rem;
    text-align: center;
}
.chat-msg.self {
    align-self: flex-end;
    background: var(--neon-blue);
    color: #000;
}
.chat-msg.other {
    align-self: flex-start;
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
}
.chat-msg .sender {
    font-weight: 800;
    font-size: 0.65rem;
    margin-bottom: 0.25rem;
    opacity: 0.7;
}
.chat-input-area {
    padding: 1rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 0.5rem;
}

/* --- CHAT BADGE --- */
.chat-badge {
    position: absolute;
    top: -2px;
    right: -2px;
    width: 10px;
    height: 10px;
    background: var(--neon-red);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--neon-red);
    animation: pulse-badge 1.5s infinite;
}
@keyframes pulse-badge {
    0% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.3); opacity: 0.7; }
    100% { transform: scale(1); opacity: 1; }
}

/* --- TOAST NOTIFICATIONS --- */
.toast-container {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
    pointer-events: none;
}
.toast {
    background: rgba(10, 11, 16, 0.95);
    border: 1px solid var(--neon-green);
    color: var(--text-main);
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-size: 0.85rem;
    box-shadow: 0 0 15px rgba(57, 255, 20, 0.2);
    animation: toast-slide-up 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transition: opacity 0.3s, transform 0.3s;
    font-family: var(--font-mono);
}
@keyframes toast-slide-up {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

@media (max-width: 600px) {
    .action-buttons {
        grid-template-columns: 1fr;
    }
}

/* V4 MEGA UPGRADE STYLES */

/* Dead Drop Glow */
.dead-drop {
    color: var(--neon-red) !important;
    text-shadow: 0 0 10px rgba(255,0,0,0.5);
    font-style: italic;
}

/* Burn Overlay Animation */
@keyframes burnPulse {
    0% { background: rgba(255, 0, 0, 0.1); }
    50% { background: rgba(255, 0, 0, 0.4); }
    100% { background: rgba(255, 0, 0, 0.1); }
}
#burn-overlay.active {
    display: flex !important;
    animation: burnPulse 0.5s infinite;
}

/* Whisper Messages */
.whisper-message {
    padding: 0.5rem;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.05);
    word-break: break-all;
}
.whisper-message.self {
    border-left: 2px solid var(--neon-blue);
}
.whisper-message.other {
    border-left: 2px solid var(--neon-pink);
}

/* Radar Pulse Animation */
@keyframes radarSweep {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}
.radar-sweep {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: conic-gradient(from 0deg, rgba(57,255,20,0) 70%, rgba(57,255,20,0.4) 100%);
    border-radius: 50%;
    animation: radarSweep 2s linear infinite;
    pointer-events: none;
}


/* --- TRANSFER DASHBOARD --- */
.transfer-item {
    background: rgba(255,255,255,0.02);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 4px;
    padding: 0.5rem;
    font-size: 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}
.transfer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-main);
}
.transfer-filename {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 200px;
}
.transfer-speed {
    color: var(--neon-blue);
    font-weight: bold;
}
.transfer-progress-bg {
    width: 100%;
    height: 6px;
    background: rgba(0,0,0,0.5);
    border-radius: 3px;
    overflow: hidden;
}
.transfer-progress-fill {
    height: 100%;
    background: var(--neon-blue);
    width: 0%;
    transition: width 0.1s linear;
    box-shadow: 0 0 8px var(--neon-blue);
}
.transfer-item.upload .transfer-progress-fill { background: var(--neon-blue); box-shadow: 0 0 8px var(--neon-blue); }
.transfer-item.download .transfer-progress-fill { background: var(--neon-green); box-shadow: 0 0 8px var(--neon-green); }
.transfer-item.upload .transfer-speed { color: var(--neon-blue); }
.transfer-item.download .transfer-speed { color: var(--neon-green); }

.drag-active {
    pointer-events: none;
}


/* --- TOGGLE SWITCH --- */
.switch {
  position: relative;
  display: inline-block;
  width: 50px;
  height: 24px;
}
.switch input { 
  opacity: 0;
  width: 0;
  height: 0;
}
.slider {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: rgba(255,255,255,0.1);
  transition: .4s;
}
.slider:before {
  position: absolute;
  content: "";
  height: 16px;
  width: 16px;
  left: 4px;
  bottom: 4px;
  background-color: white;
  transition: .4s;
}
input:checked + .slider {
  background-color: var(--neon-blue);
  box-shadow: 0 0 10px var(--neon-blue);
}
input:checked + .slider:before {
  transform: translateX(26px);
}
.slider.round {
  border-radius: 24px;
}
.slider.round:before {
  border-radius: 50%;
}

.item-thumbnail {
    width: 48px;
    height: 48px;
    border-radius: 6px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    margin-bottom: 0.5rem;
    border: 1px solid rgba(255,255,255,0.1);
}

.file-grid.list-view .item-thumbnail {
    width: 24px;
    height: 24px;
    margin-right: 1rem;
    margin-bottom: 0;
}