/* ==========================================================================
   LAYOUT FRAMEWORK & RESIZER
   ========================================================================== */

#sidebar {
    position: relative;
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    min-width: 256px;
    height: 100vh;
    padding: 16px;
    background: #222233;
    overflow-y: auto;
    z-index: 10;
    border-right: 1px solid rgba(255, 255, 255, 0.03);
}

#resizer {
    width: 4px;
    background: #333344;
    cursor: col-resize;
    z-index: 20;
    transition: background 0.2s ease;
    -webkit-user-select: none;
    -moz-user-select: none;
    user-select: none;
}

#resizer:hover,
.resizing-active #resizer {
    background: #ff4e88;
}

.resizing-active {
    cursor: col-resize;
    -webkit-user-select: none;
    -moz-user-select: none;
    user-select: none;
}

/* ==========================================================================
   SEARCH & TREE NAVIGATION
   ========================================================================== */
#file-search {
    width: 100%;
    margin-bottom: 16px;
    padding: 12px;
    background: #333344;
    border: 1px solid transparent;
    border-radius: 12px;
    color: #fafafa;
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

#file-search:focus {
    background-color: #3d3d55;
    border-color: #ff4e88;
    box-shadow: 0 0 12px rgba(255, 78, 136, 0.4);
}

#file-list {
    flex: 1;
    padding: 4px;
    background: #3d3d55;
    border-radius: 16px;
    overflow-y: auto;
    list-style: none;
}

.folder,
.file {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 10px;
    cursor: pointer;
    font-size: 16px;
    border-left: 4px solid transparent;
    text-decoration: none;
    color: #fafafa;
    -webkit-user-select: none;
    -moz-user-select: none;
    user-select: none;
    transition: background 0.25s cubic-bezier(0.4, 0, 0.2, 1),
        transform 0.25s cubic-bezier(0.4, 0, 0.2, 1),
        border-color 0.25s cubic-bezier(0.4, 0, 0.2, 1),
        box-shadow 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.folder:hover,
.file:hover {
    background: #4e4e66;
    border-left-color: #ff2aff66;
    transform: translateX(2px);
}

.folder {
    font-weight: bold;
}

.active-item {
    background: #4b4b7a !important;
    border-left-color: #ff2aff !important;
    font-weight: bold;
    box-shadow: inset 4px 0 0 #ff2aff;
}

/* ==========================================================================
   MISC NAVIGATION (Breadcrumbs & Badges)
   ========================================================================== */
#otherPages {
    margin-top: 16px;
    padding: 10px;
    background: #3d3d55;
    border-radius: 12px 12px 0 0;
    font-size: 12px;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 8px;
    cursor: pointer;
    justify-content: center;
    align-items: center;
    list-style: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    user-select: none;
    transition: background 0.25s cubic-bezier(0.4, 0, 0.2, 1),
        transform 0.25s cubic-bezier(0.4, 0, 0.2, 1),
        border-color 0.25s cubic-bezier(0.4, 0, 0.2, 1),
        box-shadow 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

#otherPages li {
    border-radius: 4px;
    padding: 4px;
    transition: background 0.25s cubic-bezier(0.4, 0, 0.2, 1),
        transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

#otherPages li:hover {
    background: #4e4e66;
    transform: scale(1.05);
}

#breadcrumb {
    margin-bottom: 16px;
    padding: 10px;
    background: #3d3d55;
    border-radius: 0 0 12px 12px;
    font-size: 12px;
    cursor: pointer;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    text-align: center;
    transition: background 0.2s ease;
    -webkit-user-select: none;
    -moz-user-select: none;
    user-select: none;
}

#breadcrumb:hover {
    background: #4e4e66;
}

#sort-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 16px 0 10px 0;
}

.sort-label {
    font-size: 12px;
    color: #fafafa;
    opacity: 0.6;
    -webkit-user-select: none;
    -moz-user-select: none;
    user-select: none;
}

#sort-container {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.sort-btn {
    background: #333344;
    color: #fafafa;
    border: 1px solid transparent;
    padding: 6px 12px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 12px;
    -webkit-user-select: none;
    -moz-user-select: none;
    user-select: none;
    transition: background 0.25s cubic-bezier(0.4, 0, 0.2, 1),
        border-color 0.25s cubic-bezier(0.4, 0, 0.2, 1),
        box-shadow 0.25s cubic-bezier(0.4, 0, 0.2, 1),
        transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.sort-btn:hover {
    background: #4e4e66;
    transform: translateY(-1px);
}

.sort-btn.active {
    background: #3d3d55;
    color: #ffffff;
    border-color: #ff4e88;
    font-weight: bold;
    box-shadow: 0 0 8px rgba(255, 78, 136, 0.3);
}

.item-meta {
    font-size: 11px;
    color: #fafafa;
    opacity: 0.4;
    margin-left: auto;
}