:root {
    --bg-color: #121212;
    --panel-bg: #1e1e1e;
    --text-primary: #e0e0e0;
    --text-secondary: #a0a0a0;
    --border-color: #333;
    --accent-color: #c8102e; /* Al Kamel Red */
    --accent-hover: #a00d25;
    --badge-green-bg: #1f6feb; /* Github-like green */
    --badge-green-text: #ffffff;
    --badge-neutral-bg: #30363d;
    --badge-neutral-text: #c9d1d9;
    --input-bg: #0d1117;
    --hover-bg: #2c2c2c;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* {
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-primary);
    margin: 0;
    padding: 0;
    height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden; /* Prevent body scroll, handle in panels */
}

.app-container {
    display: flex;
    flex-grow: 1;
    height: 0; /* Important for flex containers to not overflow */
    width: 100%;
}

/* Global Header & Footer */
.global-header {
    background-color: var(--panel-bg);
    border-bottom: 1px solid var(--border-color);
    padding: 0.75rem 1.5rem;
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.logo {
    height: 32px;
    width: auto;
}

.global-footer {
    background-color: var(--panel-bg);
    border-top: 1px solid var(--border-color);
    padding: 0.75rem;
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-secondary);
    flex-shrink: 0;
}

.global-footer p {
    margin: 0;
}

/* Panels */
.panel {
    display: flex;
    flex-direction: column;
    padding: 1.5rem;
    height: 100%;
}

.software-panel {
    flex: 3; /* 60% roughly */
    border-right: 1px solid var(--border-color);
    background-color: var(--bg-color);
}

.documentation-panel {
    display: flex; /* Restore display */
    flex-direction: column;
    flex: 2; /* 40% roughly */
    background-color: var(--bg-color);
    padding: 0; /* Remove padding to handle split sections */
}

.doc-section {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 1.5rem;
    overflow: hidden;
    min-height: 0;
}

.top-section {
    border-bottom: 1px solid var(--border-color);
}

.links-content {
    flex-grow: 1;
    overflow-y: auto;
}

/* Headers */
.panel-header {
    margin-bottom: 1.5rem;
}

.panel-header h2 {
    font-weight: 500;
    font-size: 1.5rem;
    margin: 0 0 0.5rem 0;
    color: var(--text-primary);
}

.subtitle {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Search Bar */
.search-container {
    margin-bottom: 1.5rem;
}

.search-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    background-color: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.5rem 1rem;
    transition: border-color 0.2s;
}

.search-input-wrapper:focus-within {
    border-color: var(--text-secondary);
}

.search-icon {
    width: 18px;
    height: 18px;
    color: var(--text-secondary);
    margin-right: 0.75rem;
}

input[type="text"] {
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 0.95rem;
    width: 100%;
    outline: none;
    font-family: var(--font-family);
}

input[type="text"]::placeholder {
    color: #555;
}

.search-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0;
    display: flex;
    align-items: center;
}

.search-btn:hover {
    color: var(--text-primary);
}

.search-btn svg {
    width: 18px;
    height: 18px;
}

/* Software List & Accordions */
.software-list {
    flex-grow: 1;
    overflow-y: auto;
    padding-right: 0.5rem; /* Space for scrollbar */
}

.accordion-item {
    margin-bottom: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    background-color: var(--panel-bg);
}

.accordion-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    cursor: pointer;
    background-color: var(--panel-bg);
    transition: background-color 0.2s;
}

.accordion-header:hover {
    background-color: var(--hover-bg);
}

.accordion-title {
    display: flex;
    align-items: center;
    font-weight: 500;
    font-size: 1rem;
}

.chevron-icon {
    width: 18px;
    height: 18px;
    margin-right: 0.75rem;
    transition: transform 0.3s ease;
}

.accordion-item.open .chevron-icon {
    transform: rotate(90deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    background-color: #161616; /* Slightly darker for content */
}

.accordion-item.open .accordion-content {
    max-height: 1000px; /* Arbitrary large height */
    border-top: 1px solid var(--border-color);
    transition: max-height 0.5s ease-in;
}

/* Version Rows */
.version-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-color);
}

.version-row:last-child {
    border-bottom: none;
}

.version-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.version-number {
    font-family: monospace;
    font-size: 0.95rem;
    color: var(--text-primary);
}

.version-actions {
    display: flex;
    gap: 0.5rem;
}

.action-btn {
    background-color: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.4rem;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
}

.action-btn:hover {
    background-color: var(--hover-bg);
    color: var(--accent-color);
    border-color: var(--accent-color);
}

.action-btn svg {
    width: 16px;
    height: 16px;
}

/* Badges */
.badge {
    font-size: 0.75rem;
    padding: 0.2rem 0.6rem;
    border-radius: 12px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-green {
    background-color: var(--badge-green-bg);
    color: var(--badge-green-text);
    border: 1px solid rgba(255,255,255,0.1);
}

.badge-neutral {
    background-color: var(--badge-neutral-bg);
    color: var(--badge-neutral-text);
    border: 1px solid rgba(255,255,255,0.1);
}

/* Documentation Placeholder */
.documentation-content {
    flex-grow: 1;
    /* Removed border and background to allow cards to stand out */
    padding: 0; 
    color: var(--text-secondary);
    overflow-y: auto;
}

.doc-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    text-align: center;
    opacity: 0.7;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-color);
}

::-webkit-scrollbar-thumb {
    background: #444;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #555;
}

/* Responsive */
@media (max-width: 768px) {
    .app-container {
        flex-direction: column;
        overflow-y: auto;
    }
    
    .panel {
        height: auto;
        flex: none;
    }
    
    .software-panel {
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }
}

/* Added Styles for New Features */

.accordion-meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.icon-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s, background-color 0.2s;
}

.icon-btn:hover {
    color: var(--accent-color);
    background-color: var(--hover-bg);
}

.icon-btn svg {
    width: 18px;
    height: 18px;
}

.version-info {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
    overflow: hidden; /* Prevent text overflow */
    flex-grow: 1; /* Allow it to take available space */
    min-width: 0; /* Critical for text-overflow to work in flex child */
}

.version-number {
    font-family: var(--font-family);
    font-weight: 600;
    font-size: 1rem;
    color: var(--text-primary);
}

.file-details {
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
    width: 100%;
}

.file-name {
    font-family: monospace;
    font-size: 0.85rem;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sha256-sum {
    font-family: monospace;
    font-size: 0.7rem;
    color: #666;
}

/* Documentation View */
.doc-view {
    height: 100%;
    overflow-y: auto;
    padding-right: 0.5rem;
}

.doc-title {
    margin-top: 0;
    margin-bottom: 1.5rem;
    font-size: 1.4rem;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.75rem;
}

.doc-body {
    line-height: 1.6;
    color: var(--text-secondary);
    white-space: pre-wrap; /* Preserve formatting from text/markdown */
}

.doc-body h3, .doc-body h4 {
    color: var(--text-primary);
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
}

/* General Documentation List */
.doc-folder {
    margin-bottom: 1rem;
    background-color: var(--panel-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.75rem;
}

.doc-folder-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 0.5rem 0;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

.doc-file-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.doc-file-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem;
    background-color: var(--input-bg);
    border-radius: 6px;
    border: 1px solid transparent;
    transition: border-color 0.2s;
}

.doc-file-row:hover {
    border-color: var(--border-color);
}

.doc-file-name {
    font-size: 0.9rem;
    color: var(--text-secondary);
    word-break: break-all;
}

.empty-state-small {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-style: italic;
}

/* Links Grid */
.links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
    padding: 0.5rem 0;
}

.link-card {
    background-color: var(--panel-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.25rem;
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.3s ease;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    min-height: 100px;
    position: relative;
    overflow: hidden;
}

.link-card:hover {
    background-color: var(--hover-bg);
    border-color: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(200, 16, 46, 0.2);
}

.link-card-content {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
    gap: 0.75rem;
}

.link-card-title {
    font-size: 1rem;
    font-weight: 500;
    margin: 0;
    color: var(--text-primary);
    line-height: 1.4;
    flex-grow: 1;
}

.link-card-icon {
    align-self: flex-end;
    color: var(--text-secondary);
    transition: color 0.3s ease, transform 0.3s ease;
}

.link-card-icon svg {
    width: 18px;
    height: 18px;
}

.link-card:hover .link-card-icon {
    color: var(--accent-color);
    transform: translate(2px, -2px);
}

/* Responsive grid */
@media (max-width: 768px) {
    .links-grid {
        grid-template-columns: 1fr;
    }
}