:root {
    --bg-color: #1A0F0A;
    --bg-panel: #26160F;
    --bg-sidebar: #20130D;
    --bg-editor: #1F1511;
    --bg-terminal: #110A07;
    
    --text-primary: #ecf0f1;
    --text-muted: #8E7A70;
    --text-code: #dcdde1;
    
    --accent: #E17055; /* Emergency Orange */
    --accent-hover: #D63031;
    --secondary: #55EFC4; /* Success Mint */
    
    --border: #3A2318;
    --border-radius: 8px;
    
    --font-mono: 'Fira Code', monospace;
    --font-sans: 'Inter', sans-serif;
    
    /* Code syntax colors */
    --syn-keyword: #E17055;
    --syn-string: #55EFC4;
    --syn-comment: #8E7A70;
    --syn-func: #FDCB6E;
    --syn-var: #74B9FF;
}

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

body {
    font-family: var(--font-sans);
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.5;
    height: 100vh;
    overflow: hidden;
}

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

/* Header / Status Bar */
.status-bar {
    height: 50px;
    background-color: var(--bg-panel);
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 1.5rem;
    box-shadow: 0 2px 10px rgba(0,0,0,0.5);
    z-index: 10;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    color: var(--accent);
    font-size: 1.1rem;
}

.timer-container {
    display: flex;
    align-items: center;
    gap: 10px;
    background-color: rgba(225, 112, 85, 0.1);
    padding: 5px 15px;
    border-radius: 4px;
    border: 1px solid rgba(225, 112, 85, 0.3);
}

.timer-container span:first-child {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 600;
    letter-spacing: 1px;
}

.timer {
    font-family: var(--font-mono);
    font-weight: 700;
    color: var(--accent);
    font-size: 1.2rem;
}

.timer.urgent {
    animation: pulse 1s infinite alternate;
}

.progress-container {
    display: flex;
    flex-direction: column;
    width: 200px;
}

#progressText {
    font-size: 0.75rem;
    text-align: right;
    margin-bottom: 4px;
    color: var(--secondary);
    font-weight: 600;
}

.progress-bar {
    height: 6px;
    background-color: var(--bg-color);
    border-radius: 3px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    width: 0%;
    background-color: var(--secondary);
    transition: width 0.3s ease;
}

/* IDE Body */
.ide-body {
    display: flex;
    flex: 1;
    overflow: hidden;
}

/* Sidebar */
.sidebar {
    width: 250px;
    background-color: var(--bg-sidebar);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
}

.sidebar-title {
    padding: 10px 15px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 1px;
    border-bottom: 1px solid var(--border);
}

.file-tree {
    flex: 1;
    overflow-y: auto;
    padding: 10px 0;
}

.tree-node {
    padding: 4px 15px;
    cursor: pointer;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-primary);
    user-select: none;
}

.tree-node:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

.tree-node.active {
    background-color: rgba(225, 112, 85, 0.15);
    color: var(--accent);
    border-left: 2px solid var(--accent);
}

.tree-node.dir {
    color: var(--text-muted);
    font-weight: 500;
}

.node-indent {
    width: 15px;
    display: inline-block;
}

.icon {
    width: 16px;
    height: 16px;
    display: inline-flex;
    justify-content: center;
    align-items: center;
}

/* Editor Area */
.editor-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    background-color: var(--bg-editor);
}

.tabs {
    display: flex;
    background-color: var(--bg-sidebar);
    border-bottom: 1px solid var(--border);
    overflow-x: auto;
}

.tab {
    padding: 10px 20px;
    font-size: 0.85rem;
    color: var(--text-muted);
    border-right: 1px solid var(--border);
    background-color: rgba(0, 0, 0, 0.1);
    cursor: pointer;
}

.tab.active {
    background-color: var(--bg-editor);
    color: var(--accent);
    border-top: 2px solid var(--accent);
}

.editor-content {
    flex: 1;
    display: flex;
    overflow: hidden;
    position: relative;
    padding: 10px 0;
}

.line-numbers {
    width: 50px;
    padding: 0 10px;
    text-align: right;
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    border-right: 1px solid var(--border);
    user-select: none;
    overflow: hidden;
}

.code-view {
    flex: 1;
    padding: 0 15px;
    overflow-y: auto;
    overflow-x: auto;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--text-code);
    tab-size: 4;
}

.code-view code {
    white-space: pre-wrap;
    word-break: break-all;
}

/* Terminal */
.terminal {
    height: 35%;
    background-color: var(--bg-terminal);
    border-top: 1px solid var(--border);
    display: flex;
    flex-direction: column;
}

.terminal-header {
    background-color: var(--bg-sidebar);
    border-bottom: 1px solid var(--border);
}

.terminal-tabs {
    display: flex;
}

.term-tab {
    padding: 8px 15px;
    font-size: 0.8rem;
    cursor: pointer;
    color: var(--text-muted);
    border-right: 1px solid var(--border);
}

.term-tab.active {
    color: var(--text-primary);
    border-bottom: 2px solid var(--accent);
}

.terminal-body {
    flex: 1;
    padding: 10px 15px;
    overflow-y: auto;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: #bdc3c7;
}

.log-entry {
    margin-bottom: 4px;
}

.log-entry.error {
    color: var(--accent);
    margin-top: 10px;
    font-weight: bold;
}

.log-entry.success {
    color: var(--secondary);
}

.blink {
    animation: blinker 1s linear infinite;
}

/* Env Fixer Panel */
.fixing-panel {
    display: flex;
    flex-direction: column;
    gap: 15px;
    background-color: rgba(225, 112, 85, 0.05);
}

.fix-instructions {
    color: var(--text-muted);
    font-family: var(--font-sans);
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
    max-width: 500px;
}

.input-group label {
    font-size: 0.85rem;
    color: var(--accent);
    font-family: var(--font-sans);
    font-weight: 600;
}

.input-group input {
    padding: 10px;
    background-color: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.95rem;
    outline: none;
}

.input-group input:focus {
    border-color: var(--accent);
}

.readonly-input {
    color: var(--text-muted) !important;
    background-color: rgba(0, 0, 0, 0.2) !important;
}

.btn {
    align-self: flex-start;
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    font-family: var(--font-sans);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-primary {
    background-color: var(--accent);
    color: #000;
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    box-shadow: 0 0 10px rgba(225, 112, 85, 0.3);
}

/* Utils */
.hidden {
    display: none !important;
}

/* Modal Overlay */
.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    z-index: 100;
    display: flex;
    justify-content: center;
    align-items: center;
}

.modal-content {
    background-color: var(--bg-panel);
    border: 1px solid var(--accent);
    border-radius: var(--border-radius);
    padding: 2.5rem;
    max-width: 500px;
    text-align: center;
    box-shadow: 0 10px 40px rgba(0,0,0,0.5);
}

.modal-content h2 {
    color: var(--accent);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.modal-content p {
    color: var(--text-muted);
    margin-bottom: 2rem;
}

/* Syntax Highlighting Classes mapping to CSS vars */
.syn-k { color: var(--syn-keyword); font-weight: bold; }
.syn-s { color: var(--syn-string); }
.syn-c { color: var(--syn-comment); font-style: italic; }
.syn-f { color: var(--syn-func); }
.syn-v { color: var(--syn-var); }

@keyframes pulse {
    0% { color: var(--accent); }
    100% { color: var(--text-primary); text-shadow: 0 0 8px var(--accent); }
}

@keyframes blinker {
    50% { opacity: 0; }
}

/* Animations */
@keyframes slideDown {
    from { transform: translateY(-20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}