/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #1e1e1e;
    color: #ffffff;
    height: 100vh;
    overflow: hidden;
}

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

/* Header Styles */
.header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 10px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.header h1 {
    font-size: 1.5rem;
    font-weight: 600;
    color: white;
}

.header h1 i {
    margin-right: 10px;
    color: #ffd700;
}

.header-right {
    display: flex;
    gap: 10px;
}

.select-style {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    padding: 8px 12px;
    border-radius: 5px;
    font-size: 14px;
    cursor: pointer;
    backdrop-filter: blur(10px);
}

.select-style:focus {
    outline: none;
    border-color: #ffd700;
}

.select-style option {
    background: #2d2d2d;
    color: white;
}

/* Toolbar Styles */
.toolbar {
    background: #2d2d2d;
    padding: 10px 20px;
    display: flex;
    gap: 20px;
    align-items: center;
    border-bottom: 1px solid #404040;
}

.toolbar-group {
    display: flex;
    gap: 5px;
    align-items: center;
}

.btn {
    background: #404040;
    border: 1px solid #555;
    color: white;
    padding: 8px 12px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: all 0.2s ease;
}

.btn:hover {
    background: #505050;
    border-color: #666;
}

.btn:active {
    transform: translateY(1px);
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-color: #667eea;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #5a6fd8 0%, #6a4190 100%);
}

.btn-small {
    padding: 4px 8px;
    font-size: 12px;
}

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

/* Tabs */
.tabs-container {
    background: #2d2d2d;
    display: flex;
    align-items: center;
    border-bottom: 1px solid #404040;
}

.tabs {
    display: flex;
    overflow-x: auto;
    scrollbar-width: none;
}

.tabs::-webkit-scrollbar {
    display: none;
}

.tab {
    background: #404040;
    border: 1px solid #555;
    padding: 8px 15px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 120px;
    border-bottom: none;
    transition: all 0.2s ease;
}

.tab.active {
    background: #1e1e1e;
    border-bottom: 2px solid #667eea;
}

.tab:hover {
    background: #505050;
}

.tab-close {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    transition: all 0.2s ease;
}

.tab-close:hover {
    background: #ff4757;
    color: white;
}

.add-tab {
    background: transparent;
    border: none;
    color: #888;
    padding: 8px;
    cursor: pointer;
    transition: color 0.2s ease;
}

.add-tab:hover {
    color: #fff;
}

/* Editor Container */
.editor-container {
    flex: 1;
    display: flex;
    background: #1e1e1e;
    overflow: hidden;
}

.editor-wrapper {
    flex: 1;
    position: relative;
}

.CodeMirror {
    height: 100% !important;
    font-family: 'Fira Code', 'Consolas', 'Monaco', monospace;
    font-size: 14px;
    line-height: 1.5;
}

.CodeMirror-gutters {
    background: #252526 !important;
    border-right: 1px solid #404040 !important;
}

.CodeMirror-linenumber {
    color: #858585 !important;
}

.CodeMirror-cursor {
    border-left: 2px solid #ffffff !important;
}

.CodeMirror-selected {
    background: rgba(102, 126, 234, 0.3) !important;
}

/* Output Panel */
.output-panel {
    background: #1e1e1e;
    border-top: 1px solid #404040;
    height: 200px;
    display: flex;
    flex-direction: column;
}

.output-header {
    background: #2d2d2d;
    padding: 8px 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #404040;
}

.output-header h3 {
    font-size: 14px;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 8px;
}

.output-content {
    flex: 1;
    padding: 10px;
    font-family: 'Fira Code', 'Consolas', 'Monaco', monospace;
    font-size: 13px;
    overflow-y: auto;
    background: #0f0f0f;
}

.output-line {
    margin-bottom: 5px;
    color: #e0e0e0;
}

.output-line.error {
    color: #ff6b6b;
}

.output-line.success {
    color: #51cf66;
}

.output-line.info {
    color: #74c0fc;
}

/* Status Bar */
.status-bar {
    background: #007acc;
    padding: 5px 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: white;
}

.status-left,
.status-right {
    display: flex;
    gap: 15px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header {
        flex-direction: column;
        gap: 10px;
        padding: 10px;
    }
    
    .toolbar {
        flex-wrap: wrap;
        gap: 10px;
        padding: 10px;
    }
    
    .output-panel {
        height: 150px;
    }
    
    .btn {
        padding: 6px 10px;
        font-size: 12px;
    }
}

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

::-webkit-scrollbar-track {
    background: #2d2d2d;
}

::-webkit-scrollbar-thumb {
    background: #555;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #666;
}

/* Animation for buttons */
@keyframes buttonPress {
    0% { transform: scale(1); }
    50% { transform: scale(0.95); }
    100% { transform: scale(1); }
}

.btn:active {
    animation: buttonPress 0.1s ease;
}

/* Loading animation */
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading {
    animation: spin 1s linear infinite;
}

/* Code completion popup */
.CodeMirror-hints {
    background: #2d2d2d !important;
    border: 1px solid #404040 !important;
    border-radius: 4px !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5) !important;
}

.CodeMirror-hint {
    color: #e0e0e0 !important;
    padding: 4px 8px !important;
}

.CodeMirror-hint-active {
    background: #404040 !important;
    color: #ffffff !important;
}