/* J Matrix Twin Playground - IBM Carbon Inspired Styles */

:root {
    /* IBM Carbon Colors */
    --blue-60: #0f62fe;
    --blue-70: #0043ce;
    --purple-60: #8a3ffc;
    --purple-70: #6929c4;
    --gray-10: #f4f4f4;
    --gray-20: #e0e0e0;
    --gray-30: #c6c6c6;
    --gray-50: #8d8d8d;
    --gray-70: #525252;
    --gray-80: #393939;
    --gray-90: #262626;
    --gray-100: #161616;
    --white: #ffffff;
    --green-50: #24a148;
    --red-50: #da1e28;
    --yellow-30: #f1c21b;
    
    /* Spacing */
    --spacing-01: 0.125rem;
    --spacing-02: 0.25rem;
    --spacing-03: 0.5rem;
    --spacing-04: 0.75rem;
    --spacing-05: 1rem;
    --spacing-06: 1.5rem;
    --spacing-07: 2rem;
    --spacing-08: 2.5rem;
    
    /* Typography */
    --font-mono: 'IBM Plex Mono', 'Courier New', monospace;
    --font-sans: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-sans);
    background: var(--gray-100);
    color: var(--white);
    overflow: hidden;
}

.app-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
}

/* Header */
.header {
    background: var(--gray-90);
    border-bottom: 1px solid var(--gray-80);
    padding: var(--spacing-04) var(--spacing-06);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-04);
}

.logo h1 {
    font-size: 1.25rem;
    font-weight: 600;
    background: linear-gradient(135deg, var(--blue-60), var(--purple-60));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header-actions {
    display: flex;
    gap: var(--spacing-03);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-02);
    padding: var(--spacing-03) var(--spacing-05);
    border: none;
    border-radius: 0;
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
}

.btn-primary {
    background: var(--blue-60);
    color: var(--white);
}

.btn-primary:hover {
    background: var(--blue-70);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 1px solid var(--gray-70);
}

.btn-secondary:hover {
    background: var(--gray-80);
}

.btn-large {
    padding: var(--spacing-04) var(--spacing-06);
    font-size: 1rem;
}

.icon-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    padding: 0;
    background: transparent;
    border: none;
    color: var(--gray-30);
    cursor: pointer;
    transition: all 0.15s ease;
}

.icon-btn:hover {
    color: var(--white);
    background: var(--gray-80);
}

/* Main Content */
.main-content {
    display: flex;
    flex: 1;
    overflow: hidden;
}

/* Sidebar */
.sidebar {
    width: 240px;
    background: var(--gray-90);
    border-right: 1px solid var(--gray-80);
    padding: var(--spacing-05);
    overflow-y: auto;
}

.sidebar-section {
    margin-bottom: var(--spacing-07);
}

.sidebar-section h3 {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gray-50);
    margin-bottom: var(--spacing-04);
}

.example-list {
    list-style: none;
}

.example-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-03);
    padding: var(--spacing-03) var(--spacing-04);
    margin-bottom: var(--spacing-02);
    color: var(--gray-30);
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.15s ease;
    border-left: 2px solid transparent;
}

.example-item:hover {
    background: var(--gray-80);
    color: var(--white);
}

.example-item.active {
    background: var(--gray-80);
    color: var(--white);
    border-left-color: var(--blue-60);
}

/* Status */
.status-indicator {
    display: flex;
    align-items: center;
    gap: var(--spacing-03);
    padding: var(--spacing-04);
    background: var(--gray-80);
    border-radius: 2px;
    margin-bottom: var(--spacing-04);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--gray-50);
    animation: pulse 2s infinite;
}

.status-dot.connected {
    background: var(--green-50);
}

.status-dot.error {
    background: var(--red-50);
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.status-info {
    margin-top: var(--spacing-03);
}

.info-row {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-02) 0;
    font-size: 0.75rem;
    color: var(--gray-50);
}

.info-row span:last-child {
    color: var(--white);
    font-weight: 500;
}

/* Workspace */
.workspace {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* Editor */
.editor-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    border-bottom: 1px solid var(--gray-80);
}

.editor-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--gray-90);
    border-bottom: 1px solid var(--gray-80);
    padding: 0 var(--spacing-05);
}

.editor-tabs {
    display: flex;
}

.tab {
    display: flex;
    align-items: center;
    gap: var(--spacing-02);
    padding: var(--spacing-03) var(--spacing-05);
    font-size: 0.875rem;
    color: var(--gray-50);
    border-bottom: 2px solid transparent;
    cursor: pointer;
}

.tab.active {
    color: var(--white);
    border-bottom-color: var(--blue-60);
}

.editor-actions {
    display: flex;
    gap: var(--spacing-02);
}

.editor {
    flex: 1;
    padding: var(--spacing-05);
    background: var(--gray-100);
    color: var(--white);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    line-height: 1.6;
    border: none;
    outline: none;
    resize: none;
    tab-size: 2;
}

.editor::placeholder {
    color: var(--gray-70);
}

.editor-footer {
    display: flex;
    align-items: center;
    gap: var(--spacing-05);
    padding: var(--spacing-04) var(--spacing-05);
    background: var(--gray-90);
    border-top: 1px solid var(--gray-80);
}

.editor-info {
    font-size: 0.75rem;
    color: var(--gray-50);
}

/* Output */
.output-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.output-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-04) var(--spacing-05);
    background: var(--gray-90);
    border-bottom: 1px solid var(--gray-80);
}

.output-header h3 {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gray-50);
}

.output-content {
    flex: 1;
    padding: var(--spacing-05);
    background: var(--gray-100);
    overflow-y: auto;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    line-height: 1.6;
}

.output-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--gray-70);
    text-align: center;
}

.output-placeholder svg {
    margin-bottom: var(--spacing-05);
    opacity: 0.5;
}

.output-line {
    margin-bottom: var(--spacing-02);
    white-space: pre-wrap;
    word-break: break-all;
}

.output-error {
    color: var(--red-50);
}

.output-success {
    color: var(--green-50);
}

/* Chat */
.chat-container {
    position: fixed;
    right: var(--spacing-06);
    bottom: var(--spacing-06);
    width: 400px;
    height: 600px;
    background: var(--gray-90);
    border: 1px solid var(--gray-80);
    border-radius: 4px;
    display: flex;
    flex-direction: column;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
    transform: translateY(calc(100% + var(--spacing-06)));
    transition: transform 0.3s ease;
    z-index: 1000;
}

.chat-container.open {
    transform: translateY(0);
}

.chat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-04) var(--spacing-05);
    background: var(--gray-80);
    border-bottom: 1px solid var(--gray-70);
}

.chat-header h3 {
    display: flex;
    align-items: center;
    gap: var(--spacing-03);
    font-size: 1rem;
    font-weight: 600;
}

.chat-messages {
    flex: 1;
    padding: var(--spacing-05);
    overflow-y: auto;
}

.chat-message {
    display: flex;
    gap: var(--spacing-04);
    margin-bottom: var(--spacing-05);
}

.message-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--blue-60), var(--purple-60));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 600;
    flex-shrink: 0;
}

.chat-message.user .message-avatar {
    background: var(--gray-70);
}

.message-content {
    flex: 1;
    font-size: 0.875rem;
    line-height: 1.6;
}

.message-content p {
    margin-bottom: var(--spacing-03);
}

.message-content ul {
    margin-left: var(--spacing-05);
    margin-bottom: var(--spacing-03);
}

.message-content li {
    margin-bottom: var(--spacing-02);
}

.message-content code {
    padding: var(--spacing-01) var(--spacing-02);
    background: var(--gray-80);
    border-radius: 2px;
    font-family: var(--font-mono);
    font-size: 0.8125rem;
}

.chat-input-container {
    display: flex;
    gap: var(--spacing-03);
    padding: var(--spacing-04) var(--spacing-05);
    background: var(--gray-80);
    border-top: 1px solid var(--gray-70);
}

.chat-input {
    flex: 1;
    padding: var(--spacing-03);
    background: var(--gray-90);
    border: 1px solid var(--gray-70);
    border-radius: 2px;
    color: var(--white);
    font-family: var(--font-sans);
    font-size: 0.875rem;
    resize: none;
    outline: none;
    max-height: 120px;
}

.chat-input:focus {
    border-color: var(--blue-60);
}

.chat-toggle {
    position: fixed;
    right: var(--spacing-06);
    bottom: var(--spacing-06);
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--blue-60), var(--purple-60));
    border: none;
    color: var(--white);
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    transition: all 0.2s ease;
    z-index: 999;
}

.chat-toggle:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.4);
}

.chat-toggle.hidden {
    display: none;
}

.chat-badge {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--red-50);
    color: var(--white);
    font-size: 0.75rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
}

.chat-badge.hidden {
    display: none;
}

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

::-webkit-scrollbar-track {
    background: var(--gray-90);
}

::-webkit-scrollbar-thumb {
    background: var(--gray-70);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-50);
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        width: 200px;
    }
    
    .chat-container {
        width: calc(100vw - var(--spacing-07));
        height: calc(100vh - var(--spacing-07));
        right: var(--spacing-04);
        bottom: var(--spacing-04);
    }
}

/* Made with Bob */