:root {
    --bg-main: #0a0a0f;
    --bg-panel: #12121a;
    --border-color: rgba(255, 255, 255, 0.08);
    --text-main: #e0e0e0;
    --text-sub: #7a7a85;
    --accent-green: #4af626;
    --accent-blue: #2684f6;
    --accent-red: #f6364a;
    --font-mono: 'JetBrains Mono', 'Fira Code', Consolas, monospace;
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    font-family: var(--font-sans);
    height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* ================= HEADER & NAV ================= */
.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 24px;
    background-color: var(--bg-panel);
    border-bottom: 1px solid var(--border-color);
}

.brand {
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.brand span { color: var(--accent-blue); }

.control-bar {
    display: flex;
    gap: 10px;
}

.input-group {
    display: flex;
    background: rgba(0,0,0,0.2);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    overflow: hidden;
}

.input-group input {
    background: transparent;
    border: none;
    color: var(--text-main);
    padding: 8px 16px;
    width: 350px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    outline: none;
}

.btn-primary {
    background: var(--accent-blue);
    color: #fff;
    border: none;
    padding: 0 20px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-primary:hover { opacity: 0.8; }

/* ================= MAIN WORKSPACE ================= */
.workspace {
    display: flex;
    flex: 1;
    overflow: hidden;
}

/* Sidebar & File Tree */
.sidebar {
    width: 280px;
    background-color: var(--bg-panel);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}

.sidebar-header {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-header input {
    width: 100%;
    background: rgba(0,0,0,0.2);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 6px 10px;
    border-radius: 4px;
    font-size: 0.8rem;
    outline: none;
}

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

.node-group { margin-bottom: 5px; }
.node-header {
    padding: 6px 16px;
    font-size: 0.75rem;
    color: var(--text-sub);
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.node-header:hover { color: var(--text-main); }
.node-children { display: block; }
.node-group.collapsed .node-children { display: none; }

.tree-item {
    padding: 6px 16px 6px 24px;
    font-size: 0.8rem;
    font-family: var(--font-mono);
    color: var(--text-main);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.1s;
}
.tree-item:hover { background: rgba(255,255,255,0.05); }
.tree-item.active { background: rgba(38, 132, 246, 0.15); border-left: 3px solid var(--accent-blue); padding-left: 21px; }
.tree-item-size { color: var(--text-sub); font-size: 0.7rem; }

/* Editor View */
.editor-pane {
    flex: 1;
    display: flex;
    flex-direction: column;
    background-color: var(--bg-main);
    position: relative;
}

.editor-actions {
    display: flex;
    align-items: center;
    padding: 10px 20px;
    background-color: var(--bg-panel);
    border-bottom: 1px solid var(--border-color);
}

#active-filename {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--accent-blue);
    margin-right: 15px;
}

.action-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-sub);
    padding: 4px 8px;
    border-radius: 4px;
    cursor: pointer;
    margin-left: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.action-btn:hover { background: rgba(255,255,255,0.05); color: var(--text-main); }

.code-container {
    flex: 1;
    overflow: auto;
    padding: 20px;
}

pre { margin: 0 !important; border-radius: 0 !important; background: transparent !important; }
code { font-family: var(--font-mono) !important; font-size: 0.85rem; line-height: 1.5; }

/* ================= INTERNAL SEARCH HUD & INDICATORS ================= */
.internal-search-hud {
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 2px 6px;
    gap: 8px;
    margin-left: auto; /* Pushes to right side before action buttons */
}

#scriptSearchInput {
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-main);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    width: 160px;
    transition: width 0.2s ease;
}
#scriptSearchInput:focus { width: 220px; }

.search-nav-controls { display: flex; align-items: center; gap: 4px; }
#searchMatchCounter { font-size: 0.65rem; color: var(--text-sub); font-family: var(--font-mono); min-width: 35px; text-align: center; }
.search-nav-controls button { background: transparent; border: none; color: var(--text-sub); cursor: pointer; font-size: 0.65rem; padding: 2px 4px; border-radius: 3px; }
.search-nav-controls button:hover { background: rgba(255, 255, 255, 0.1); color: #fff; }

.typing-indicator-dot {
    width: 6px; height: 6px; background-color: var(--accent-green);
    border-radius: 50%; opacity: 0; flex-shrink: 0; transition: opacity 0.2s ease;
}
.tree-item.is-typing-active .typing-indicator-dot { opacity: 1; animation: diagnosticPulse 1.2s infinite ease-in-out; }

@keyframes diagnosticPulse {
    0% { transform: scale(0.8); opacity: 0.5; box-shadow: 0 0 0 0 rgba(74, 246, 38, 0.4); }
    50% { transform: scale(1.2); opacity: 1; box-shadow: 0 0 6px 2px rgba(74, 246, 38, 0.7); }
    100% { transform: scale(0.8); opacity: 0.5; box-shadow: 0 0 0 0 rgba(74, 246, 38, 0.4); }
}

/* ================= UTILITIES & TERMINAL ================= */
.hidden { display: none !important; }

.empty-state {
    position: absolute; top: 0; left: 0; right: 0; bottom: 0;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    color: var(--text-sub); font-size: 0.9rem;
}

.spinner {
    border: 2px solid rgba(255,255,255,0.1); border-top: 2px solid var(--accent-blue);
    border-radius: 50%; width: 16px; height: 16px; animation: spin 1s linear infinite; display: none;
}
@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }

/* System Terminal */
.terminal-panel {
    height: 150px; background-color: #050508; border-top: 1px solid var(--border-color);
    padding: 10px 20px; overflow-y: auto; font-family: var(--font-mono); font-size: 0.75rem;
}
.log-row { margin-bottom: 4px; display: flex; gap: 8px; }
.log-row.info { color: var(--text-sub); }
.log-row.success { color: var(--accent-green); }
.log-row.error { color: var(--accent-red); }

/* Status Bar */
.status-bar {
    display: flex; justify-content: space-between; padding: 4px 20px;
    background-color: var(--accent-blue); color: #fff; font-size: 0.7rem; font-weight: 600; text-transform: uppercase;
}