/* Line Numbers Styling for Textareas */
/* Provides code editor-like line number gutters with synchronized scrolling */

.line-numbers-container {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    align-items: stretch;
    position: relative;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--background-color);
}

.line-numbers-gutter {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    flex: 0 0 auto;
    background: var(--surface-color);
    border-right: 1px solid var(--border-color);
    padding: 0.75rem 0;
    min-width: 50px;
    max-width: 50px;
    overflow: hidden;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.5;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

.line-numbers-gutter .line-number {
    width: 100%;
    text-align: right;
    padding: 0 0.75rem;
    min-height: 1.35rem;
    display: flex;
    align-items: center;
    justify-content: flex-end;
}

.line-numbers-gutter .line-number:hover {
    background: rgba(59, 130, 246, 0.05);
    color: var(--primary-color);
}

/* Textarea styling when inside line-numbers-container */
.line-numbers-container textarea {
    flex: 1;
    border: none;
    border-radius: 0;
    outline: none;
    padding: 0.75rem;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.5;
    resize: vertical;
    background: var(--background-color);
    color: var(--text-color);
    overflow-y: scroll;
    overflow-x: auto;
}

.line-numbers-container textarea:focus {
    background: var(--background-color);
    box-shadow: inset 0 0 0 2px rgba(59, 130, 246, 0.1);
}

/* Scrollbar styling for better visibility */
.line-numbers-container textarea::-webkit-scrollbar,
.line-numbers-gutter::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

.line-numbers-container textarea::-webkit-scrollbar-track,
.line-numbers-gutter::-webkit-scrollbar-track {
    background: transparent;
}

.line-numbers-container textarea::-webkit-scrollbar-thumb,
.line-numbers-gutter::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

.line-numbers-container textarea::-webkit-scrollbar-thumb:hover,
.line-numbers-gutter::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}

/* Firefox scrollbar */
.line-numbers-container textarea {
    scrollbar-color: var(--border-color) transparent;
    scrollbar-width: thin;
}

.line-numbers-container textarea:hover {
    scrollbar-color: var(--primary-color) transparent;
}

/* Dark mode adjustments */
body.dark-mode .line-numbers-gutter {
    background: var(--surface-color);
    border-right-color: var(--border-color);
}

body.dark-mode .line-numbers-gutter .line-number:hover {
    background: rgba(59, 130, 246, 0.1);
}

body.dark-mode .line-numbers-container textarea:focus {
    box-shadow: inset 0 0 0 2px rgba(59, 130, 246, 0.2);
}

/* Mobile responsive adjustments */
@media (max-width: 768px) {
    .line-numbers-gutter {
        min-width: 40px;
        padding: 0.75rem 0;
    }

    .line-numbers-gutter .line-number {
        padding: 0 0.5rem;
        font-size: 0.85rem;
    }

    .line-numbers-container textarea {
        font-size: 0.85rem;
    }
}

/* Print styles - hide line numbers when printing */
@media print {
    .line-numbers-gutter {
        display: none;
    }

    .line-numbers-container {
        border: none;
        background: transparent;
    }

    .line-numbers-container textarea {
        border: none;
        padding: 0;
        font-size: 0.9rem;
    }
}