body {
    font-family: Arial, sans-serif;
    margin: 20px;
    padding: 0;
    background-color: #f4f4f4;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.container {
    background-color: #fff;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    width: 95%;
    max-width: 1200px;
}

h1, h2, h3 {
    color: #333;
    text-align: center;
}

h1 {
    margin-bottom: 25px;
}

h2 {
    margin-top: 32px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
    color: #555;
}

textarea {
    width: 100%;
    padding: 10px;
    margin-bottom: 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    box-sizing: border-box;
    font-size: 1em;
    resize: vertical;
}

.buttons {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 24px;
}

.buttons.in-col {
    margin-bottom: 10px;
}

button {
    display: block;
    width: 100%;
    padding: 12px 20px;
    border: none;
    border-radius: 4px;
    font-size: 1em;
    cursor: pointer;
    transition: 0.3s ease;
    background: rgba(0, 123, 255, 0.08);
    border: 1px solid #90b4da;
    color: #333;
}

button:hover {
    background-color: #0056b3;
    border-color: #0056b3;
    color: #fff;
}

button.green, button.blue, button.purple {
    border: none;
    color: #fff;
}

button.blue {
    background-color: #007bff;
}

button.blue:hover {
    background-color: #0056b3;
}

button.green {
    background-color: #38a93d;
}

button.green:hover {
    background-color: #2e8032;
}

button.purple {
    background-color: #864ea4;
}

button.purple:hover {
    background-color: #551c73;
}

button.purple.undo-btn {
    width: auto;
    padding: 5px 15px 8px;
    font-size: 0.9em;
}

#outputCleaned {
    width: 100%;
    height: 50vh;
    min-height: 400px;
    border: 1px solid #ddd;
    border-radius: 4px;
    padding: 10px;
    font-size: 14px;
    white-space: pre-wrap;
    overflow-y: auto;
    background: #333;
    color: #fff;
    line-height: 1.5;
    outline: none;
    box-sizing: border-box;
    font-family: monospace, Arial, sans-serif;
}

.hl-tag { color: #93f493; }

.hl-attr { color: #b99eeb; }

.hl-bold { font-weight: bold; color: #f6ffa2; }

.buttons-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 24px;
    justify-content: center;
}

.buttons-row button {
    padding: 10px 12px;
    width: fit-content;
}

.search-bar {
    display: flex;
    align-items: center;
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 4px;
    width: 100%;
    box-sizing: border-box;
    padding: 2px 2px 2px 10px;
    margin-top: 4px;
    margin-bottom: 20px;
}

#searchInput {
    flex: 1;
    border: none;
    padding: 8px 5px;
    font-size: 14px;
    outline: none;
    margin-bottom: 0;
    background: transparent;
}

.search-controls {
    display: flex;
    align-items: center;
    gap: 2px;
}

#searchStatus {
    font-family: monospace;
    font-size: 12px;
    color: #888;
    margin-right: 10px;
    min-width: 40px;
    text-align: right;
}

.search-btn {
    width: 32px !important;
    height: 32px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid transparent;
    border-radius: 3px;
    color: #666;
    font-size: 12px;
}

.search-btn:hover {
    background: #eee;
    color: #000;
    border: none;
}

.search-hl {
    background-color: rgba(255, 255, 0, 0.3);
    border-radius: 2px;
}

.search-hl.current {
    background-color: #f6ffa2 !important;
    color: #000 !important;
    box-shadow: 0 0 10px #f6ffa2;
}

.search-hl.current .hl-tag {
    color: #409240 !important;
}

.search-hl.current .hl-attr {
    color: #7551b8 !important;
}

.editor-layout {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    margin-top: 20px;
}

.editor-main {
    flex: 1;
    min-width: 0;
}

.editor-sidebar {
    width: 350px;
    position: sticky;
    top: 20px;
    max-height: 90vh;
    overflow-y: auto;
    padding-right: 5px;
    padding-top: 44px;
}

.editor-sidebar h2, .editor-sidebar h3 {
    text-align: left;
    font-size: 1.1em;
    margin-top: 15px;
    margin-bottom: 10px;
}

.editor-sidebar h2 {
    margin-top: 0;
}

.editor-sidebar .buttons-row {
    justify-content: flex-start;
    gap: 6px;
}

.editor-sidebar .buttons-row button {
    padding: 6px 11px;
    font-size: 0.9em;
}

.result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.desc {
    text-align: center;
    line-height: 1.5;
    margin-bottom: 40px;
}

@media (max-width: 900px) {
    .editor-main {
        width: 100%;
    }
    .editor-layout {
        flex-direction: column;
    }
    .editor-sidebar {
        width: 100%;
        position: static;
        padding-top: 0;
    }
}