:root {
    --bg-body: #1a1a1a;
    --bg-input: #222222;
    --bg-main: var(--bg-body);
    --bg-palette-container: #1e1e1e;
    --bg-sidebar: #232323;
    --bg-theme-item-list: #232323;
    --bg-theme-item-row-hover: #3a3a3a;
    --border-medium: #333333;
    --border-strong: #444444;
    --button-bg-disabled: #333333;
    --button-bg-hover: #666666;
    --button-bg: #444444;
    --button-text-disabled: #888888;
    --button-text: #ffffff;
    --selected-palette-border: #ffb347;
    --selected-palette-shadow: #ffb34744;
    --text-body: #d3d3d3;
    --text-filename-display: #aaaaaa;
    --text-input: var(--text-body);
    --text-title: var(--text-body);
}
body.light-theme {
    --bg-body: #eeeeee;
    --bg-input: #ffffff;
    --bg-main: var(--bg-body);
    --bg-palette-container: #f0f0f0;
    --bg-sidebar: #f5f5f5;
    --bg-theme-item-list: #f5f5f5;
    --bg-theme-item-row-hover: #e0e0e0;
    --border-medium: #dddddd;
    --border-strong: #cccccc;
    --button-bg-disabled: #e0e0e0;
    --button-bg-hover: #bbbbbb;
    --button-bg: #cccccc;
    --button-text-disabled: #aaaaaa;
    --button-text: #333333;
    --selected-palette-border: #007bff;
    --selected-palette-shadow: #007bff44;
    --text-body: #333333;
    --text-filename-display: #777777;
    --text-input: var(--text-body);
    --text-title: var(--text-body);
}
body {
    background: var(--bg-body);
    color: var(--text-body);
    font-family: "Source Code Pro", monospace;
    font-size: 16px;
    margin: 0;
    min-height: 98vh;
    transition: background 0.3s, color 0.3s;
}
.container {
    display: flex;
    flex-direction: row;
    height: 98vh;
}
.sidebar {
    background: var(--bg-sidebar);
    padding: 24px 16px 16px 16px;
    width: 550px;
    border-right: 1px solid var(--border-strong);
    display: flex;
    flex-direction: column;
    gap: 16px;
    transition: background 0.3s, border-color 0.3s;
    flex-shrink: 0;
}
.main {
    flex-grow: 1;
    padding: 32px;
    display: flex;
    flex-direction: column;
    box-sizing: border-box;
    max-height: 98vh;
    background: var(--bg-main);
    transition: background 0.3s;
    overflow-x: auto;
    min-width: 0;
}
h1 {
    font-size: 2rem;
    margin-bottom: 16px;
    letter-spacing: 1px;
    color: var(--text-title);
}
.theme-toggle-button {
    background: var(--button-bg);
    color: var(--button-text);
    border: none;
    border-radius: 4px;
    padding: 8px 12px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: background 0.2s, color 0.2s;
    margin-bottom: 10px;
    align-self: flex-start;
}
.theme-toggle-button:hover {
    background: var(--button-bg-hover);
}
.file-inputs {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.file-input-row {
    display: flex;
    align-items: center;
    gap: 8px;
}
.import-btn {
    background: var(--button-bg);
    color: var(--button-text);
    border: none;
    border-radius: 4px;
    padding: 8px 12px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: background 0.2s, color 0.2s;
    flex-shrink: 0;
}
.import-btn:hover {
    background: var(--button-bg-hover);
}
.file-name-display {
    color: var(--text-filename-display);
    font-size: 0.85rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex-grow: 1;
}
.filter-row {
    margin: 12px 0 0 0;
    display: flex;
    gap: 8px;
}
#filterInput {
    flex: 1;
    padding: 6px 10px;
    border-radius: 4px;
    border: 1px solid var(--border-strong);
    background: var(--bg-input);
    color: var(--text-input);
    transition: background 0.3s, color 0.3s, border-color 0.3s;
}
.btn-primary {
    background: var(--button-bg);
    color: var(--button-text);
    border: none;
    border-radius: 4px;
    padding: 8px 16px;
    margin-top: 8px;
    cursor: pointer;
    font-size: 1rem;
    transition: background 0.2s, color 0.2s;
}
.btn-primary:disabled {
    background: var(--button-bg-disabled);
    color: var(--button-text-disabled);
    cursor: not-allowed;
}
.btn-primary:hover:not(:disabled) {
    background: var(--button-bg-hover);
}
.add-color-row {
    display: flex;
    gap: 8px;
    margin: 8px 0 4px 0;
}
#customColorInput {
    flex-grow: 1;
    padding: 6px 10px;
    border-radius: 4px;
    border: 1px solid var(--border-strong);
    background: var(--bg-input);
    color: var(--text-input);
}
#addCustomColorBtn {
    flex-shrink: 0;
    width: 40px;
    padding: 6px;
    font-size: 1.2rem;
    line-height: 1;
    background: var(--button-bg);
    color: var(--button-text);
    border: none;
    border-radius: 4px;
    cursor: pointer;
}
#addCustomColorBtn:hover {
    background: var(--button-bg-hover);
}
#paletteColors {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    max-height: 420px;
    overflow-y: auto;
    background: var(--bg-palette-container);
    border-radius: 4px;
    padding: 8px;
    margin: 8px 0;
    border: 1px solid var(--border-medium);
    transition: background 0.3s, border-color 0.3s;
}
.palette-color-wrapper {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.palette-color {
    border: 2px solid var(--border-strong);
    border-radius: 4px;
    cursor: pointer;
    display: inline-block;
    height: 42px;
    width: 42px;
    margin: 0;
    transition: border 0.2s, transform 0.1s, border-color 0.3s;
}
.palette-color.selected {
    border: 2px solid var(--selected-palette-border);
    box-shadow: 0 0 0 2px var(--selected-palette-shadow);
    transform: scale(1.08);
}
.palette-color:hover {
    border: 2px solid var(--button-bg-hover);
}
.palette-color-delete-btn {
    position: absolute;
    top: -2px;
    right: -2px;
    width: 18px;
    height: 18px;
    background: var(--bg-body);
    color: var(--text-body);
    border: 1px solid var(--border-strong);
    border-radius: 50%;
    font-size: 12px;
    line-height: 16px;
    text-align: center;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.2s, background-color 0.2s;
    z-index: 10;
}
.palette-color-wrapper:hover .palette-color-delete-btn {
    opacity: 1;
}
.palette-color-delete-btn:hover {
    background: #ff6347;
    color: white;
    border-color: #ff6347;
}
button {
    width: fit-content;
}
#themeColors {
    border: 1px solid var(--border-strong);
    flex-grow: 1;
    background: var(--bg-theme-item-list);
    border-radius: 4px;
    padding: 8px 0;
    min-height: 0;
    transition: background 0.3s, border-color 0.3s;
    overflow-y: auto;
    overflow-x: auto;
}
.color-row {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 8px 12px;
    border-bottom: 1px solid var(--border-medium);
    box-sizing: border-box;
}
.color-row:hover {
    background: var(--bg-theme-item-row-hover);
}
.color-row:last-child {
    border-bottom: none;
}
.color-sample {
    border: 1px solid var(--border-strong);
    height: 42px;
    width: 42px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    box-sizing: border-box;
    flex-shrink: 0;
}
.color-row .style-name,
.color-row .attr-key {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    padding: 2px 0;
    color: var(--text-body);
}
.color-row .style-name {
    flex-shrink: 1;
    min-width: 200px;
    max-width: 280px;
}
.color-row .attr-key {
    flex-shrink: 1;
    min-width: 100px;
    max-width: 220px;
}
.color-value-input {
    font-family: "Source Code Pro", monospace;
    padding: 4px 8px;
    border: 1px solid var(--border-strong);
    border-radius: 4px;
    width: 120px;
    text-align: center;
    font-size: 0.95rem;
    flex-shrink: 0;
    transition: background-color 0.2s, color 0.2s, border-color 0.2s;
    background: var(--bg-input);
}
.color-value-input:focus {
    outline: 2px solid var(--selected-palette-border);
    outline-offset: 1px;
}
.color-sample-text {
    flex-grow: 1;
    min-width: 200px;
    font-size: 0.9rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.3;
    opacity: 0.85;
}