:root {
    /* Obsidian & Zinc Monochrome Palette */
    --bg-desktop: #09090b;
    --bg-panel-1: #0e0e11;
    --bg-panel-2: #141418;
    --bg-panel-3: #18181d;
    --bg-panel-4: #1f1f26;
    --bg-panel-5: #272730;
    --bg-panel-6: #2f2f3b;
    --bg-panel-7: #3b3b4a;
    
    /* Borders: High-definition minimal hairline borders */
    --border-1: rgba(255, 255, 255, 0.06);
    --border-2: rgba(255, 255, 255, 0.10);
    --border-3: rgba(255, 255, 255, 0.16);
    --border-4: rgba(255, 255, 255, 0.24);

    /* Text: Zinc Scale */
    --text-primary: #f4f4f5;
    --text-secondary: #d4d4d8;
    --text-tertiary: #a1a1aa;
    --text-muted: #71717a;
    --text-dark: #52525b;

    /* Accents: Purposeful monochrome with cyber emerald for active states */
    --accent-green: #10b981;
    --accent-blue: #38bdf8;
    --accent-warning: #f59e0b;
    --accent-error: #ef4444;
    --accent-success: #10b981;
    --accent-purple: #a855f7;

    /* Fonts */
    --font-ui: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Consolas', monospace;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    user-select: none;
}

body {
    background-color: var(--bg-desktop);
    background-image: 
        radial-gradient(circle at 50% 0%, rgba(255, 255, 255, 0.03) 0%, transparent 60%),
        radial-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px);
    background-size: 100% 100%, 28px 28px;
    color: var(--text-primary);
    font-family: var(--font-ui);
    height: 100vh;
    width: 100vw;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

/* Desktop */
#desktop {
    flex-grow: 1;
    position: relative;
    padding: 24px;
    overflow: hidden;
    background-image:url(./download.png);
    background-size:1000px 500px;
    background-position-y:80px;
    background-position-x:300px;
    background-repeat:no-repeat;
    background-color:black;
}

.desktop-icons {
    display: flex;
    flex-direction: column;
    gap: 12px;
    width: 96px;
    position: relative;
    z-index: 10;
}

.desktop-icon {
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
    padding: 8px 6px;
    border-radius: 12px;
    border: 1px solid transparent;
    transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
}

.desktop-icon:hover {
    transform: translateY(-2px);
}

.desktop-icon:active {
    transform: scale(0.95);
}

.desktop-icon .icon-tile {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(16px);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #d4d4d8;
    margin-bottom: 7px;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.06);
    transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
}

.desktop-icon:hover .icon-tile {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.22);
    color: #ffffff;
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.14);
}

.desktop-icon .icon {
    font-size: 26px;
    margin-bottom: 6px;
}

.desktop-icon .label {
    font-size: 11px;
    font-weight: 500;
    text-align: center;
    color: var(--text-tertiary);
    letter-spacing: 0.02em;
    transition: color 0.2s ease;
}

.desktop-icon:hover .label {
    color: #ffffff;
}

/* Persistent Desktop Pairing Widget */
.desktop-pairing-widget {
    position: absolute;
    top: 24px;
    right: 24px;
    width: 280px;
    background: rgba(19, 19, 26, 0.85);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border-3);
    border-radius: 12px;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.6);
    padding: 18px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    z-index: 20;
    transition: border-color 0.3s ease;
}

.desktop-pairing-widget:hover {
    border-color: var(--accent-green);
}

.widget-header {
    display: flex;
    align-items: center;
    gap: 8px;
}

.widget-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--accent-green);
}

.widget-dot.pulse {
    box-shadow: 0 0 10px var(--accent-green);
    animation: dotPulse 2s infinite ease-in-out;
}

@keyframes dotPulse {
    0% { transform: scale(0.9); opacity: 0.7; }
    50% { transform: scale(1.3); opacity: 1; }
    100% { transform: scale(0.9); opacity: 0.7; }
}

.widget-title {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.08em;
    color: var(--text-muted);
}

.pairing-pin-display {
    font-family: var(--font-mono);
    font-size: 36px;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-align: center;
    color: var(--accent-green);
    background: rgba(0, 0, 0, 0.4);
    padding: 10px;
    border-radius: 8px;
    border: 1px dashed rgba(90, 247, 142, 0.4);
    text-shadow: 0 0 14px rgba(90, 247, 142, 0.3);
}

.pairing-subtext {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-muted);
    text-align: center;
    margin-top: 6px;
}

.pairing-attempt-display {
    font-family: var(--font-mono);
    font-size: 11px;
    line-height: 1.4;
    text-align: center;
    margin-top: 8px;
    padding: 6px 10px;
    border-radius: 6px;
    background: rgba(0, 0, 0, 0.45);
    border: 1px solid var(--border-2);
    color: var(--text-secondary);
    transition: all 0.25s ease;
    word-break: break-word;
}

.pairing-attempt-display.wrong_pin,
.pairing-attempt-display.expired,
.pairing-attempt-display.version_mismatch {
    color: #ff6b6b;
    border-color: rgba(255, 107, 107, 0.45);
    background: rgba(255, 107, 107, 0.12);
}

.pairing-attempt-display.success {
    color: var(--accent-green);
    border-color: rgba(90, 247, 142, 0.45);
    background: rgba(90, 247, 142, 0.12);
}

.pairing-contact-display {
    font-family: var(--font-mono);
    font-size: 11px;
    line-height: 1.35;
    padding: 7px 10px;
    border-radius: 6px;
    margin-top: 8px;
    text-align: left;
    word-break: break-word;
    transition: all 0.25s ease;
}

.pairing-contact-display.has-contact {
    color: var(--accent-green);
    background: rgba(90, 247, 142, 0.1);
    border: 1px solid rgba(90, 247, 142, 0.35);
}

.pairing-contact-display.no-contact {
    color: var(--accent-warning);
    background: rgba(255, 179, 71, 0.1);
    border: 1px solid rgba(255, 179, 71, 0.35);
}

.pairing-meta-info {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--text-muted);
    text-align: center;
    margin-top: 4px;
    letter-spacing: 0.04em;
}

.pairing-actions {
    display: flex;
    gap: 8px;
    margin-top: 10px;
}

.btn-widget-action {
    flex: 1;
    background: var(--bg-panel-4);
    border: 1px solid var(--border-3);
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 11px;
    padding: 6px 10px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-widget-action:hover {
    background: var(--bg-panel-5);
    border-color: var(--accent-green);
    color: var(--accent-green);
}

.widget-footer {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-muted);
    border-top: 1px solid var(--border-2);
    padding-top: 10px;
}

.status-indicator {
    width: 7px;
    height: 7px;
    border-radius: 50%;
}
.status-indicator.connected {
    background-color: var(--accent-green);
    box-shadow: 0 0 8px var(--accent-green);
}
.status-indicator.disconnected {
    background-color: var(--text-muted);
}

/* Window System */
.window {
    position: absolute;
    background-color: var(--bg-panel-3);
    border: 1px solid var(--border-3);
    border-radius: 10px;
    box-shadow: 0 16px 48px rgba(0,0,0,0.65), 0 0 0 1px rgba(255, 255, 255, 0.05);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-width: 280px;
    min-height: 180px;
}

.window.focused {
    border-color: var(--border-4);
    box-shadow: 0 20px 60px rgba(0,0,0,0.8), 0 0 0 1px rgba(87, 199, 255, 0.2);
}

.window-titlebar {
    height: 36px;
    background-color: var(--bg-panel-2);
    display: flex;
    align-items: center;
    padding: 0 14px;
    border-bottom: 1px solid var(--border-2);
    cursor: default;
}

.traffic-lights {
    display: flex;
    gap: 8px;
    margin-right: 15px;
}

.light {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    cursor: pointer;
    transition: opacity 0.2s;
}
.light:hover { opacity: 0.8; }
.light.close { background-color: var(--accent-error); }
.light.minimize { background-color: var(--accent-warning); }
.light.maximize { background-color: var(--accent-success); }

.window-title {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    flex-grow: 1;
    text-align: center;
    margin-right: 55px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.window-content {
    flex-grow: 1;
    overflow: auto;
    position: relative;
    background-color: var(--bg-panel-3);
}

/* Taskbar */
#taskbar {
    height: 42px;
    background-color: rgba(13, 13, 18, 0.95);
    backdrop-filter: blur(12px);
    border-top: 1px solid var(--border-2);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    z-index: 9999;
}

.start-button {
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 12px;
    letter-spacing: 0.08em;
    cursor: pointer;
    padding: 6px 14px;
    border-radius: 8px;
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.start-button .os-symbol {
    color: var(--accent-green);
    font-size: 13px;
    text-shadow: 0 0 8px rgba(16, 185, 129, 0.4);
}

.start-button:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.22);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

.open-apps {
    flex-grow: 1;
    display: flex;
    gap: 8px;
    padding: 0 20px;
    overflow-x: auto;
}

.taskbar-app-item {
    font-size: 12px;
    font-family: var(--font-ui);
    color: var(--text-secondary);
    background: var(--bg-panel-3);
    border: 1px solid var(--border-2);
    padding: 4px 10px;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s;
}
.taskbar-app-item.active {
    background: var(--bg-panel-5);
    border-color: var(--border-4);
    color: var(--text-primary);
}

.system-tray {
    display: flex;
    align-items: center;
    gap: 16px;
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-muted);
}

.tray-item {
    display: flex;
    align-items: center;
    cursor: default;
}

.tray-item.pin-pill {
    cursor: pointer;
    background: rgba(90, 247, 142, 0.1);
    color: var(--accent-green);
    border: 1px solid rgba(90, 247, 142, 0.25);
    padding: 3px 8px;
    border-radius: 4px;
    font-weight: 600;
}
.tray-item.pin-pill:hover {
    border-color: var(--accent-green);
}

.tray-item.connected {
    color: var(--accent-green);
}

.clock {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    line-height: 1.2;
}

.date-subtext {
    font-size: 10px;
}

/* Nova Voice App Specifics */
.nova-voice-orb-container {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 140px;
}

.nova-orb {
    width: 68px;
    height: 68px;
    border-radius: 50%;
    background-color: #0b1a0e;
    border: 2px solid #23662a;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--accent-green);
    font-family: var(--font-mono);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.1em;
    transition: all 0.3s ease;
    box-shadow: 0 0 16px rgba(90, 247, 142, 0.15);
}

.nova-orb.listening {
    background-color: rgba(90, 247, 142, 0.25);
    border-color: var(--accent-green);
    box-shadow: 0 0 24px rgba(90, 247, 142, 0.5);
    transform: scale(1.08);
}

.nova-orb.thinking {
    background-color: rgba(87, 199, 255, 0.25);
    border-color: var(--accent-blue);
    box-shadow: 0 0 24px rgba(87, 199, 255, 0.5);
    color: var(--accent-blue);
}

.nova-voice-status {
    text-align: center;
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.nova-voice-history {
    flex-grow: 1;
    padding: 14px;
    overflow-y: auto;
    font-family: var(--font-ui);
    font-size: 13px;
    border-top: 1px solid var(--border-2);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.history-entry {
    line-height: 1.4;
    word-break: break-word;
}
.history-entry.user {
    color: var(--text-primary);
    align-self: flex-end;
    background: var(--bg-panel-4);
    padding: 6px 12px;
    border-radius: 12px 12px 2px 12px;
    border: 1px solid var(--border-3);
    max-width: 85%;
}
.history-entry.system {
    color: var(--accent-green);
    align-self: flex-start;
    background: rgba(90, 247, 142, 0.06);
    padding: 6px 12px;
    border-radius: 12px 12px 12px 2px;
    border: 1px solid rgba(90, 247, 142, 0.15);
    max-width: 85%;
}
.history-entry.error {
    color: var(--accent-error);
    background: rgba(255, 95, 87, 0.08);
    border-color: rgba(255, 95, 87, 0.2);
}

/* Terminal App Styling */
.terminal-container {
    height: 100%;
    background-color: #08080c;
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 13px;
    display: flex;
    flex-direction: column;
    padding: 12px;
    overflow: hidden;
}

.terminal-output {
    flex-grow: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.term-line {
    line-height: 1.4;
    white-space: pre-wrap;
    word-break: break-all;
}
.term-line.info { color: var(--accent-blue); }
.term-line.prompt-cmd { color: var(--text-primary); }
.term-line.success { color: var(--accent-green); }
.term-line.error { color: var(--accent-error); }
.term-line.muted { color: var(--text-muted); }

.terminal-input-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 8px;
    border-top: 1px solid var(--border-1);
    padding-top: 8px;
}

.term-prompt-label {
    color: var(--accent-green);
    font-weight: 600;
}

.terminal-input {
    flex-grow: 1;
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 13px;
    user-select: text;
}

/* Files App Styling */
.files-layout {
    display: flex;
    height: 100%;
}

.files-sidebar {
    width: 180px;
    background: var(--bg-panel-2);
    border-right: 1px solid var(--border-2);
    padding: 12px 8px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 13px;
    overflow-y: auto;
}

.files-tree-section-title {
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-dark);
    padding: 8px 10px 4px 10px;
}

.files-nav-item {
    padding: 7px 10px;
    border-radius: 6px;
    cursor: pointer;
    color: var(--text-tertiary);
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: all 0.2s;
    user-select: none;
}
.files-nav-item:hover {
    background: var(--bg-panel-4);
    color: var(--text-primary);
}
.files-nav-item.active {
    background: rgba(90, 247, 142, 0.12);
    color: var(--accent-green);
    font-weight: 500;
}
.files-nav-item.tree-child {
    padding-left: 24px;
    font-size: 12px;
}

.tree-badge {
    font-family: var(--font-mono);
    font-size: 10px;
    background: var(--bg-panel-5);
    color: var(--text-muted);
    padding: 1px 6px;
    border-radius: 10px;
}
.files-nav-item.active .tree-badge {
    background: rgba(90, 247, 142, 0.2);
    color: var(--accent-green);
}

.files-main {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    background: var(--bg-panel-3);
    overflow: hidden;
}

.files-toolbar {
    height: 44px;
    border-bottom: 1px solid var(--border-2);
    padding: 0 14px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bg-panel-2);
    gap: 12px;
}

.files-breadcrumbs {
    display: flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-muted);
    overflow-x: auto;
}

.files-breadcrumb-btn {
    background: var(--bg-panel-4);
    border: 1px solid var(--border-3);
    color: var(--text-secondary);
    border-radius: 4px;
    padding: 3px 8px;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.15s;
    display: flex;
    align-items: center;
    gap: 4px;
}
.files-breadcrumb-btn:hover {
    border-color: var(--accent-green);
    color: var(--accent-green);
    background: var(--bg-panel-5);
}
.files-breadcrumb-btn.current {
    background: rgba(90, 247, 142, 0.1);
    border-color: rgba(90, 247, 142, 0.4);
    color: var(--accent-green);
    font-weight: 600;
}

.files-toolbar-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.files-toolbar-btn {
    background: var(--bg-panel-4);
    border: 1px solid var(--border-3);
    color: var(--text-secondary);
    font-family: var(--font-ui);
    font-size: 12px;
    padding: 6px 12px;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s;
    white-space: nowrap;
}
.files-toolbar-btn:hover {
    background: var(--bg-panel-5);
    border-color: var(--accent-green);
    color: var(--accent-green);
}

.files-content {
    flex-grow: 1;
    overflow-y: auto;
    padding: 16px;
}

.files-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    text-align: left;
}

.files-table th {
    font-family: var(--font-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    padding: 8px 12px;
    border-bottom: 1px solid var(--border-2);
}

.files-table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border-1);
    color: var(--text-secondary);
    user-select: text;
}

.files-table tr:hover td {
    background-color: rgba(255, 255, 255, 0.03);
}

.files-table tr.folder-row {
    cursor: pointer;
}
.files-table tr.folder-row:hover td {
    background-color: rgba(90, 247, 142, 0.05);
}

.file-row-name {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 500;
}

.badge-tag {
    font-size: 10px;
    font-family: var(--font-mono);
    padding: 2px 6px;
    border-radius: 4px;
    text-transform: uppercase;
}
.badge-tag.folder { background: rgba(254, 188, 46, 0.15); color: var(--accent-warning); }
.badge-tag.photo { background: rgba(189, 147, 249, 0.15); color: var(--accent-purple); }
.badge-tag.file { background: rgba(87, 199, 255, 0.15); color: var(--accent-blue); }
.badge-tag.output { background: rgba(90, 247, 142, 0.15); color: var(--accent-green); }

.file-delete-btn {
    background: transparent;
    border: 1px solid transparent;
    color: var(--text-muted);
    padding: 4px 8px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    line-height: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}
.file-delete-btn:hover {
    background: rgba(255, 95, 87, 0.15);
    border-color: rgba(255, 95, 87, 0.4);
    color: #ff5f57;
    transform: scale(1.12);
}
.file-delete-btn:active {
    transform: scale(0.95);
}

/* Text Editor App */
.editor-container {
    height: 100%;
    display: flex;
    flex-direction: column;
    background: #0e0e14;
}

.editor-toolbar {
    height: 38px;
    background: var(--bg-panel-2);
    border-bottom: 1px solid var(--border-2);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 12px;
}

.editor-filename-input {
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 13px;
    outline: none;
    width: 160px;
    user-select: text;
}

.editor-textarea {
    flex-grow: 1;
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 14px;
    line-height: 1.6;
    padding: 16px;
    resize: none;
    user-select: text;
}

.editor-statusbar {
    height: 26px;
    background: var(--bg-panel-2);
    border-top: 1px solid var(--border-2);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 12px;
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-muted);
}

/* Settings App */
.settings-container {
    height: 100%;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 18px;
    background: var(--bg-panel-3);
}

.settings-card {
    background: var(--bg-panel-2);
    border: 1px solid var(--border-2);
    border-radius: 8px;
    padding: 16px;
}

.settings-card-title {
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 600;
    color: var(--accent-green);
    letter-spacing: 0.05em;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.settings-grid {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: 8px 16px;
    font-size: 13px;
}

.settings-label {
    color: var(--text-muted);
}

.settings-val {
    color: var(--text-primary);
    font-family: var(--font-mono);
}

/* Screenshot Flash Animation */
.screenshot-flash {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: #ffffff;
    opacity: 0;
    pointer-events: none;
    z-index: 100000;
    transition: opacity 0.05s ease-out;
}
.screenshot-flash.active {
    opacity: 0.8;
    transition: opacity 0.4s ease-out;
}

/* In-OS File Preview Styles */
.preview-container {
    height: 100%;
    display: flex;
    flex-direction: column;
    background: #09090f;
}

.preview-toolbar {
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 14px;
    background: var(--bg-panel-2);
    border-bottom: 1px solid var(--border-2);
}

.preview-filename {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-primary);
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 50%;
}

.preview-actions {
    display: flex;
    gap: 8px;
    align-items: center;
}

.preview-btn {
    background: var(--bg-panel-4);
    border: 1px solid var(--border-3);
    color: var(--text-secondary);
    padding: 5px 11px;
    border-radius: 5px;
    font-size: 11px;
    font-family: var(--font-mono);
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s ease;
}

.preview-btn:hover {
    background: var(--bg-panel-5);
    border-color: var(--accent-green);
    color: var(--accent-green);
}

.preview-viewport {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: auto;
    padding: 16px;
    position: relative;
    background: #07070b;
}

.preview-media-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    max-width: 100%;
    max-height: 100%;
}

.preview-media-wrapper.general-mode {
    padding: 30px;
    background: var(--bg-panel-2);
    border: 1px solid var(--border-2);
    border-radius: 12px;
    text-align: center;
}

/* Kinetic Audio Player in File Preview */
.preview-media-wrapper.audio-mode {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    padding: 32px 20px;
    background: radial-gradient(circle at center, rgba(255, 255, 255, 0.03) 0%, transparent 70%);
}

.audio-player-card {
    background: rgba(18, 18, 22, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.09);
    border-radius: 16px;
    padding: 28px 24px;
    max-width: 440px;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    box-shadow: 0 20px 48px rgba(0, 0, 0, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.audio-disc-wrapper {
    position: relative;
    width: 100px;
    height: 100px;
    margin-bottom: 18px;
}

.audio-disc {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: repeating-radial-gradient(
        circle,
        #16161a 0px,
        #16161a 2px,
        #222228 3px,
        #16161a 4px
    );
    border: 2px solid rgba(255, 255, 255, 0.12);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease;
}

.audio-disc.spinning {
    animation: discRotate 8s linear infinite;
}

@keyframes discRotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.audio-disc-center {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: #09090b;
    border: 2px solid rgba(255, 255, 255, 0.2);
    box-shadow: inset 0 0 6px rgba(0, 0, 0, 0.8);
}

.audio-meta {
    text-align: center;
    margin-bottom: 12px;
}

.audio-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.01em;
    margin-bottom: 4px;
    max-width: 360px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.audio-status {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--accent-green);
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

/* Kinetic Equalizer Waveform Bars */
.audio-visualizer {
    display: flex;
    align-items: flex-end;
    justify-content: center;
    gap: 4px;
    height: 28px;
    margin-bottom: 8px;
}

.audio-visualizer .bar {
    width: 4px;
    background: #52525b;
    border-radius: 2px;
    height: 5px;
    transition: height 0.2s ease, background 0.3s ease;
}

.audio-visualizer.active .bar {
    background: var(--text-primary);
    animation: kineticEqualizer 1.2s infinite ease-in-out alternate;
}

.audio-visualizer.active .bar:nth-child(1) { animation-delay: 0.0s; height: 14px; }
.audio-visualizer.active .bar:nth-child(2) { animation-delay: 0.2s; height: 24px; }
.audio-visualizer.active .bar:nth-child(3) { animation-delay: 0.4s; height: 10px; }
.audio-visualizer.active .bar:nth-child(4) { animation-delay: 0.1s; height: 26px; }
.audio-visualizer.active .bar:nth-child(5) { animation-delay: 0.5s; height: 18px; }
.audio-visualizer.active .bar:nth-child(6) { animation-delay: 0.3s; height: 22px; }
.audio-visualizer.active .bar:nth-child(7) { animation-delay: 0.15s; height: 12px; }
.audio-visualizer.active .bar:nth-child(8) { animation-delay: 0.45s; height: 20px; }

@keyframes kineticEqualizer {
    0% { height: 5px; opacity: 0.4; }
    50% { height: 26px; opacity: 1; }
    100% { height: 8px; opacity: 0.6; }
}

.preview-image {
    max-width: 100%;
    max-height: 75vh;
    object-fit: contain;
    border-radius: 6px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6);
    transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.preview-video {
    max-width: 100%;
    max-height: 75vh;
    border-radius: 6px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6);
}

.preview-embed-frame {
    width: 100%;
    height: 100%;
    border: none;
    background: #ffffff;
    border-radius: 4px;
}

.preview-text-view {
    width: 100%;
    height: 100%;
    padding: 16px;
    overflow: auto;
    background: var(--bg-panel-2);
    border-radius: 6px;
    font-family: var(--font-mono);
    font-size: 12px;
    line-height: 1.5;
    color: var(--text-secondary);
    user-select: text;
}

.preview-empty,
.preview-loading,
.preview-error {
    font-size: 13px;
    color: var(--text-muted);
    font-family: var(--font-mono);
    text-align: center;
    padding: 24px;
}
.preview-error {
    color: var(--accent-error);
}

/* In-OS Browser / WebView Styles */
.browser-container {
    height: 100%;
    display: flex;
    flex-direction: column;
    background: var(--bg-panel-1);
}

.browser-toolbar {
    height: 44px;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0 12px;
    background: var(--bg-panel-2);
    border-bottom: 1px solid var(--border-2);
}

.browser-nav-btn {
    background: var(--bg-panel-4);
    border: 1px solid var(--border-3);
    color: var(--text-secondary);
    border-radius: 6px;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 11px;
    transition: all 0.15s ease;
}

.browser-nav-btn:hover {
    background: var(--bg-panel-5);
    color: var(--text-primary);
}

.browser-url-input {
    flex: 1;
    background: var(--bg-panel-4);
    border: 1px solid var(--border-3);
    color: var(--text-primary);
    border-radius: 6px;
    padding: 6px 12px;
    font-family: var(--font-mono);
    font-size: 12px;
    outline: none;
    user-select: text;
}

.browser-url-input:focus {
    border-color: var(--accent-blue);
}

.browser-go-btn {
    background: rgba(87, 199, 255, 0.15);
    border: 1px solid rgba(87, 199, 255, 0.3);
    color: var(--accent-blue);
    padding: 6px 14px;
    border-radius: 6px;
    font-weight: 600;
    font-size: 11px;
    cursor: pointer;
    transition: all 0.15s ease;
}

.browser-go-btn:hover {
    background: rgba(87, 199, 255, 0.25);
    border-color: var(--accent-blue);
}

.browser-viewport {
    flex: 1;
    position: relative;
    overflow: hidden;
    background: #ffffff;
}

.browser-webview-frame {
    width: 100%;
    height: 100%;
    border: none;
    background: #ffffff;
}

/* ========================================================
   File Conversion Animation Widget & Overlay
   Source Format → Converting → Target Format
   ======================================================== */
.conversion-overlay {
    position: fixed;
    top: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(-20px);
    z-index: 99999;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s cubic-bezier(0.16, 1, 0.3, 1), transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.conversion-overlay.active {
    opacity: 1;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0);
}

.conversion-overlay.closing {
    opacity: 0;
    transform: translateX(-50%) translateY(-25px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.conversion-card {
    background: rgba(18, 18, 26, 0.94);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-3);
    border-radius: 14px;
    padding: 16px 22px 18px 22px;
    width: 480px;
    max-width: 92vw;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.65), 0 0 30px rgba(87, 199, 255, 0.12);
    display: flex;
    flex-direction: column;
    gap: 12px;
    position: relative;
    overflow: hidden;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.conversion-card.success {
    border-color: rgba(90, 247, 142, 0.5);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.65), 0 0 35px rgba(90, 247, 142, 0.22);
}

.conversion-card.error {
    border-color: rgba(255, 95, 87, 0.5);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.65), 0 0 35px rgba(255, 95, 87, 0.2);
}

.conversion-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.conversion-header-left {
    display: flex;
    align-items: center;
    gap: 8px;
}

.conversion-badge-pulse {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--accent-blue);
    box-shadow: 0 0 10px var(--accent-blue);
    animation: conversionDotPulse 1.4s infinite ease-in-out;
}

.conversion-card.success .conversion-badge-pulse {
    background-color: var(--accent-green);
    box-shadow: 0 0 10px var(--accent-green);
    animation: none;
}

@keyframes conversionDotPulse {
    0%, 100% { transform: scale(0.9); opacity: 0.6; }
    50% { transform: scale(1.3); opacity: 1; }
}

.conversion-header-title {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--text-muted);
}

.conversion-close-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 14px;
    cursor: pointer;
    padding: 2px 6px;
    border-radius: 4px;
    line-height: 1;
    transition: all 0.15s ease;
}

.conversion-close-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.08);
}

.conversion-file-info {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    color: var(--text-secondary);
    font-family: var(--font-mono);
}

.conversion-filename {
    color: var(--text-primary);
    font-weight: 600;
    max-width: 360px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Three-node conversion flow: Source -> Converting -> Target */
.conversion-flow {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin: 4px 0 2px 0;
    padding: 10px 14px;
    background: rgba(0, 0, 0, 0.35);
    border: 1px solid var(--border-2);
    border-radius: 10px;
}

.format-node {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    min-width: 80px;
}

.format-pill-tag {
    font-family: var(--font-mono);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    padding: 6px 14px;
    border-radius: 8px;
    display: inline-block;
    transition: all 0.3s ease;
}

.format-node.source .format-pill-tag {
    background: rgba(87, 199, 255, 0.16);
    border: 1px solid rgba(87, 199, 255, 0.45);
    color: var(--accent-blue);
    box-shadow: 0 0 12px rgba(87, 199, 255, 0.15);
}

.format-node.target .format-pill-tag {
    background: rgba(90, 247, 142, 0.16);
    border: 1px solid rgba(90, 247, 142, 0.45);
    color: var(--accent-green);
    box-shadow: 0 0 12px rgba(90, 247, 142, 0.15);
}

.format-subtext {
    font-size: 10px;
    color: var(--text-muted);
    font-weight: 500;
    letter-spacing: 0.02em;
}

.conversion-connector {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    height: 24px;
}

.connector-beam {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, rgba(87, 199, 255, 0.3), rgba(90, 247, 142, 0.3));
    overflow: hidden;
}

.connector-beam::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 60%;
    height: 100%;
    background: linear-gradient(90deg, transparent, var(--accent-blue), var(--accent-green), transparent);
    animation: beamShimmer 1.5s infinite linear;
}

@keyframes beamShimmer {
    0% { left: -100%; }
    100% { left: 200%; }
}

.connector-arrow {
    position: relative;
    z-index: 2;
    color: var(--text-muted);
    font-size: 14px;
    font-weight: 700;
    background: rgba(18, 18, 26, 0.9);
    padding: 0 4px;
}

.conversion-center-node {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    min-width: 100px;
}

.converter-icon-wrapper {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-3);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.converter-icon {
    font-size: 18px;
    display: inline-block;
    transition: transform 0.3s ease;
}

.converter-icon.spinner {
    animation: converterSpin 1.4s infinite linear;
}

@keyframes converterSpin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.conversion-card.success .converter-icon-wrapper {
    background: rgba(90, 247, 142, 0.2);
    border-color: var(--accent-green);
    color: var(--accent-green);
    transform: scale(1.08);
}

.conversion-state-label {
    font-size: 11px;
    font-family: var(--font-mono);
    font-weight: 600;
    color: var(--accent-warning);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    transition: color 0.3s ease;
}

.conversion-card.success .conversion-state-label {
    color: var(--accent-green);
}

.conversion-card.error .conversion-state-label {
    color: var(--accent-error);
}

/* Explicit Canonical Flow Text: Source Format → Converting → Target Format */
.conversion-label-canonical {
    text-align: center;
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-tertiary);
    letter-spacing: 0.04em;
    padding: 2px 0;
}

.conversion-label-canonical .hl-src { color: var(--accent-blue); font-weight: 600; }
.conversion-label-canonical .hl-mid { color: var(--accent-warning); font-weight: 600; }
.conversion-label-canonical .hl-tgt { color: var(--accent-green); font-weight: 600; }

.conversion-progress-track {
    width: 100%;
    height: 5px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 3px;
    overflow: hidden;
    position: relative;
}

.conversion-progress-bar {
    height: 100%;
    width: 20%;
    border-radius: 3px;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple), var(--accent-green));
    background-size: 200% 100%;
    animation: progressBarShimmer 2s infinite ease-in-out;
    transition: width 0.4s ease, background 0.3s ease;
}

@keyframes progressBarShimmer {
    0% { background-position: 100% 0; }
    50% { background-position: 0 0; }
    100% { background-position: 100% 0; }
}

.conversion-card.success .conversion-progress-bar {
    width: 100% !important;
    background: var(--accent-green);
    animation: none;
}

.conversion-card.error .conversion-progress-bar {
    width: 100% !important;
    background: var(--accent-error);
    animation: none;
}

.conversion-status-msg {
    text-align: center;
    font-size: 11px;
    color: var(--text-secondary);
    font-family: var(--font-mono);
    min-height: 16px;
    line-height: 1.4;
}

.conversion-actions {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 2px;
}

.btn-conv-action {
    background: rgba(90, 247, 142, 0.15);
    border: 1px solid rgba(90, 247, 142, 0.4);
    color: var(--accent-green);
    font-family: var(--font-ui);
    font-size: 12px;
    font-weight: 600;
    padding: 6px 14px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-conv-action:hover {
    background: rgba(90, 247, 142, 0.25);
    border-color: var(--accent-green);
    transform: translateY(-1px);
}

/* Mobile Responsive Nova Voice Interface */
@media (max-width: 768px) {
    #desktop {
        padding: 8px;
    }

    .desktop-pairing-widget {
        display: none !important;
    }

    .desktop-icons {
        display: none !important;
    }

    .window {
        width: 100vw !important;
        height: calc(100vh - 44px) !important;
        left: 0 !important;
        top: 0 !important;
        border-radius: 0 !important;
        border: none !important;
    }

    #win-nova-voice {
        display: flex !important;
    }

    .nova-voice-orb-container {
        padding: 24px 0 16px 0;
    }

    .nova-orb {
        width: 120px;
        height: 120px;
        font-size: 16px;
    }

    .nova-voice-status {
        font-size: 12px;
        letter-spacing: 0.1em;
        margin-bottom: 12px;
    }

    .history-entry {
        font-size: 13px;
        padding: 10px 14px;
    }

    #taskbar {
        padding: 0 8px;
    }

    .system-tray {
        gap: 8px;
    }

    .tray-item.pin-pill,
    #sys-cpu,
    .date-subtext {
        display: none;
    }
}