.tl-url-encoder {
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1);
}

.tl-url-mode-switch {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.tl-mode-option {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    padding: 12px 20px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-weight: 600;
    font-size: 15px;
    color: #374151;
    transition: all 0.2s;
    user-select: none;
}
.tl-mode-option:has(input:checked) {
    border-color: var(--primary-color, #072d6e);
    background: #f0f4ff;
    color: var(--primary-color, #072d6e);
}
.tl-mode-option input { display: none; }

.tl-url-options { display: flex; gap: 16px; align-items: center; }

.tl-checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: #374151;
    cursor: pointer;
    font-weight: 500;
}

.tl-tool-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}
@media (min-width: 768px) {
    .tl-tool-grid { grid-template-columns: 1fr 1fr; }
}

.tl-label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: #374151;
    margin-bottom: 8px;
}

.tl-textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-family: 'Courier New', Courier, monospace;
    font-size: 14px;
    resize: vertical;
    outline: none;
    transition: border-color 0.2s;
    box-sizing: border-box;
    line-height: 1.6;
}
.tl-textarea:focus { border-color: var(--primary-color, #072d6e); }
.tl-textarea-output { background: #f9fafb; }

.tl-tool-actions { display: flex; flex-wrap: wrap; gap: 10px; }

.button {
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 15px;
    cursor: pointer;
    transition: opacity 0.2s, background 0.2s;
    border: none;
}
.button-primary { background: var(--primary-color, #072d6e); color: #fff; }
.button-primary:hover { opacity: 0.88; }
.button-secondary { background: #f3f4f6; color: #111827; border: 1px solid #d1d5db; }
.button-secondary:hover { background: #e5e7eb; }