#explorer-window {
    --explorer-sidebar-surface:
        linear-gradient(180deg, rgba(255, 255, 255, 0.8), rgba(244, 248, 253, 0.74));
    --explorer-main-surface:
        linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(243, 247, 252, 0.84));
    --explorer-toolbar-surface:
        linear-gradient(180deg, rgba(255, 255, 255, 0.74), rgba(245, 248, 252, 0.68));
    --explorer-panel-surface:
        linear-gradient(180deg, rgba(255, 255, 255, 0.86), rgba(241, 246, 252, 0.78));
    --explorer-panel-border: rgba(15, 23, 42, 0.08);
    --explorer-ink: var(--ink);
    --explorer-muted: rgba(71, 85, 105, 0.82);
    --explorer-subtle: rgba(71, 85, 105, 0.7);
    color: var(--explorer-ink);
}

body[data-shell-mode="dark"] #explorer-window {
    --explorer-sidebar-surface:
        linear-gradient(180deg, rgba(14, 22, 40, 0.92), rgba(11, 18, 32, 0.88));
    --explorer-main-surface:
        linear-gradient(180deg, rgba(10, 16, 30, 0.82), rgba(14, 22, 40, 0.72));
    --explorer-toolbar-surface:
        linear-gradient(180deg, rgba(18, 28, 50, 0.76), rgba(12, 20, 36, 0.64));
    --explorer-panel-surface:
        linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.03));
    --explorer-panel-border: rgba(255, 255, 255, 0.08);
    --explorer-ink: #e5edf8;
    --explorer-muted: rgba(226, 232, 240, 0.78);
    --explorer-subtle: rgba(226, 232, 240, 0.62);
}

.explorer-window-body {
    padding: 0;
    overflow: hidden;
    background: var(--window-surface);
}

#explorer-window .window-chrome {
    background: var(--window-surface);
}

#explorer-window .window-meta,
#explorer-window .window-title {
    color: var(--explorer-ink);
}

#explorer-window .window-controls {
    gap: 4px;
}

#explorer-window .window-controls button {
    width: 30px;
    height: 26px;
    border-radius: 8px;
    background: transparent;
    position: relative;
    color: var(--explorer-muted);
}

#explorer-window .window-controls button::before,
#explorer-window .window-controls button::after {
    content: "";
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    background: currentColor;
}

#explorer-window .window-controls button[data-action="minimize"]::before {
    width: 12px;
    height: 1.6px;
    margin-top: 5px;
}

#explorer-window .window-controls button[data-action="maximize"]::before {
    width: 11px;
    height: 9px;
    border: 1.6px solid currentColor;
    background: transparent;
}

#explorer-window .window-controls button[data-action="close"]::before,
#explorer-window .window-controls button[data-action="close"]::after {
    width: 12px;
    height: 1.6px;
}

#explorer-window .window-controls button[data-action="close"]::before {
    transform: translate(-50%, -50%) rotate(45deg);
}

#explorer-window .window-controls button[data-action="close"]::after {
    transform: translate(-50%, -50%) rotate(-45deg);
}

#explorer-window .window-controls button:hover {
    background: rgba(255, 255, 255, 0.08);
}

#explorer-window .window-controls button[data-action="close"]:hover {
    background: #ef4444;
    color: #ffffff;
}

#explorer-window .window-controls button[data-action="close"]:hover::before,
#explorer-window .window-controls button[data-action="close"]:hover::after {
    background: #ffffff;
}

.explorer-shell {
    display: grid;
    grid-template-columns: 196px minmax(0, 1fr);
    min-height: 100%;
}

.explorer-sidebar {
    display: grid;
    grid-template-rows: auto 1fr;
    background: var(--explorer-sidebar-surface);
    border-right: 1px solid var(--explorer-panel-border);
}

.explorer-sidebar-head {
    padding: 18px 16px 10px;
}

.explorer-sidebar-title {
    display: block;
    font-size: 0.92rem;
    font-weight: 700;
    color: var(--explorer-subtle);
}

.explorer-tree {
    display: grid;
    align-content: start;
    gap: 12px;
    padding: 0 10px 14px;
    overflow: auto;
}

.explorer-sidebar-section {
    display: grid;
    gap: 4px;
}

.explorer-sidebar-section-title {
    display: block;
    padding: 0 12px 4px;
    color: var(--explorer-subtle);
    font-size: 0.74rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.explorer-sidebar-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    width: 100%;
    min-height: 40px;
    padding: 8px 12px;
    border-radius: 9px;
    border: 1px solid transparent;
    background: transparent;
    color: var(--explorer-muted);
    text-align: left;
    transition: background 160ms ease, border-color 160ms ease, color 160ms ease;
}

.explorer-sidebar-item:hover,
.explorer-sidebar-item:focus-visible {
    background: var(--explorer-panel-surface);
    border-color: var(--explorer-panel-border);
    outline: none;
}

.explorer-sidebar-item.is-active {
    background:
        linear-gradient(180deg, rgba(var(--accent-rgb), 0.16), rgba(255, 255, 255, 0.04));
    border-color: rgba(var(--accent-rgb), 0.24);
    color: var(--explorer-ink);
}

.explorer-sidebar-copy {
    display: grid;
    gap: 2px;
    min-width: 0;
}

.explorer-sidebar-copy small {
    display: block;
    color: var(--explorer-subtle);
    font-size: 0.72rem;
    line-height: 1.25;
}

.explorer-main {
    display: grid;
    grid-template-rows: 1fr auto;
    min-width: 0;
    background: var(--explorer-main-surface);
}

.explorer-workspace {
    padding: 22px 22px 18px;
    overflow: auto;
    background:
        radial-gradient(circle at top right, rgba(var(--accent-rgb), 0.08), transparent 26%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0));
}

.explorer-directory {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(116px, 120px));
    justify-content: start;
    align-content: start;
    gap: 24px 22px;
    min-height: 100%;
}

.explorer-empty-state {
    align-self: start;
    max-width: 280px;
    margin: 0;
    color: var(--explorer-muted);
    font-size: 0.94rem;
    line-height: 1.55;
}

.explorer-tile {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    min-height: 126px;
    padding: 10px 8px 12px;
    border-radius: 14px;
    border: 1px solid transparent;
    background: transparent;
    color: var(--explorer-ink);
    text-decoration: none;
    text-align: center;
    transition: background 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.explorer-tile:hover,
.explorer-tile:focus-visible {
    background:
        linear-gradient(180deg, rgba(var(--accent-rgb), 0.12), rgba(255, 255, 255, 0.02));
    border-color: rgba(var(--accent-rgb), 0.18);
    transform: translateY(-1px);
    outline: none;
}

.explorer-tile.is-active {
    background:
        linear-gradient(180deg, rgba(var(--accent-rgb), 0.16), rgba(255, 255, 255, 0.03));
    border-color: rgba(var(--accent-rgb), 0.24);
}

.explorer-tile-label {
    display: block;
    max-width: 100%;
    font-size: 0.94rem;
    line-height: 1.25;
    word-break: break-word;
}

.explorer-statusbar {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    padding: 9px 16px;
    border-top: 1px solid var(--explorer-panel-border);
    background: var(--explorer-toolbar-surface);
    color: var(--explorer-subtle);
    font-size: 0.82rem;
}

.explorer-icon {
    display: inline-grid;
    place-items: center;
    flex: 0 0 auto;
}

.explorer-icon i {
    font-size: 1em;
    line-height: 1;
}

.explorer-icon--sidebar {
    width: 18px;
    height: 18px;
    font-size: 0.95rem;
    color: #2563eb;
}

.explorer-icon--drive {
    color: rgba(var(--accent-rgb), 0.96);
}

.explorer-icon--tile {
    width: 58px;
    height: 58px;
    border-radius: 18px;
    font-size: 1.75rem;
    color: #ffffff;
    box-shadow: 0 10px 24px rgba(15, 23, 42, 0.12);
}

.explorer-icon--desktop {
    background: linear-gradient(135deg, #5b21b6, #0ea5e9);
}

.explorer-icon--documents {
    background: linear-gradient(135deg, #3b82f6, #e0f2fe);
    color: #1d4ed8;
}

.explorer-icon--pictures {
    background: linear-gradient(135deg, #fb923c, #22d3ee);
}

.explorer-icon--public {
    background: linear-gradient(135deg, #38bdf8, #2563eb);
}

.explorer-icon--videos {
    background: linear-gradient(135deg, #fb7185, #f59e0b);
}

.explorer-icon--home {
    background: transparent;
    color: #38bdf8;
    box-shadow: none;
}

.explorer-icon--sidebar.explorer-icon--desktop {
    color: #4f46e5;
}

.explorer-icon--sidebar.explorer-icon--documents {
    color: #2563eb;
}

.explorer-icon--sidebar.explorer-icon--pictures {
    color: #0f766e;
}

.explorer-icon--sidebar.explorer-icon--public {
    color: #1d4ed8;
}

.explorer-icon--sidebar.explorer-icon--videos {
    color: #7c3aed;
}

.taskbar-launcher .explorer-glyph {
    display: inline-flex;
    width: 20px;
    height: 20px;
    color: #f59e0b;
}

.taskbar-launcher .explorer-glyph svg {
    width: 100%;
    height: 100%;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.9;
    stroke-linecap: round;
    stroke-linejoin: round;
}

@media (max-width: 920px) {
    .explorer-shell {
        grid-template-columns: 1fr;
        grid-template-rows: auto 1fr;
    }

    .explorer-sidebar {
        border-right: 0;
        border-bottom: 1px solid var(--explorer-panel-border);
    }

    .explorer-sidebar-head {
        padding: 14px 14px 8px;
    }

    .explorer-tree {
        display: flex;
        gap: 8px;
        padding: 0 12px 12px;
        overflow: auto;
        align-items: flex-start;
    }

    .explorer-sidebar-section {
        flex: 0 0 180px;
        gap: 6px;
    }

    .explorer-sidebar-section-title {
        padding: 0 4px 4px;
    }

    .explorer-sidebar-item {
        min-height: 40px;
        padding: 8px 12px;
    }

    .explorer-workspace {
        padding: 18px 16px 14px;
    }

    .explorer-directory {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 16px 12px;
    }

    .explorer-statusbar {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 640px) {
    .explorer-sidebar-head {
        display: none;
    }

    .explorer-tree {
        gap: 6px;
        padding: 10px 10px 8px;
    }

    .explorer-sidebar-section {
        flex-basis: 152px;
    }

    .explorer-sidebar-section-title {
        padding: 0 2px 4px;
        font-size: 0.68rem;
    }

    .explorer-sidebar-item {
        min-height: 38px;
        padding: 8px 10px;
        border-radius: 14px;
        font-size: 0.84rem;
    }

    .explorer-sidebar-copy small {
        display: none;
    }

    .explorer-workspace {
        padding: 14px 10px 10px;
    }

    .explorer-directory {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        justify-content: stretch;
        gap: 12px 10px;
    }

    .explorer-tile {
        min-height: 122px;
        padding: 12px 8px;
        border-radius: 16px;
        background: rgba(255, 255, 255, 0.04);
        border-color: rgba(255, 255, 255, 0.05);
    }

    .explorer-tile-label {
        font-size: 0.84rem;
        line-height: 1.3;
    }

    .explorer-icon--tile {
        width: 52px;
        height: 52px;
        border-radius: 16px;
    }

    .explorer-statusbar {
        display: none;
    }
}