/* ==========================================================================
   TEBAK KATA: EDISI ROBOTIKA - STYLING UTAMA (PREMIUM LIGHT MODE)
   ========================================================================== */

:root {
    --bg-app: #f1f5f9;
    --bg-panel: #ffffff;
    --bg-panel-header: #f8fafc;
    --border-color: #cbd5e1;
    --text-main: #0f172a;
    --text-muted: #64748b;
    
    /* Neon Colors (Optimized for light background readability) */
    --neon-cyan: #0284c7;
    --neon-green: #059669;
    --neon-amber: #d97706;
    --neon-red: #dc2626;
    --neon-purple: #7c3aed;
    
    /* Glow Shadows (Softer on light background) */
    --glow-cyan: 0 0 10px rgba(2, 132, 199, 0.15);
    --glow-green: 0 0 10px rgba(5, 150, 105, 0.15);
    --glow-amber: 0 0 10px rgba(217, 119, 6, 0.15);
    --glow-red: 0 0 10px rgba(220, 38, 38, 0.15);
}

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

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-app);
    color: var(--text-main);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.5;
}

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

::-webkit-scrollbar-track {
    background: #e2e8f0;
}

::-webkit-scrollbar-thumb {
    background: #94a3b8;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--neon-cyan);
}

/* Header */
.app-header {
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    border-bottom: 2px solid var(--border-color);
    padding: 15px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-logo {
    display: flex;
    flex-direction: column;
}

.header-logo h1 {
    font-size: 1.4rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-main);
}

.logo-icon {
    font-size: 1.6rem;
    animation: pulse 2s infinite alternate;
}

.badge {
    background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple));
    color: white;
    font-size: 0.75rem;
    padding: 2px 8px;
    border-radius: 12px;
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.5px;
    box-shadow: var(--glow-cyan);
}

.subtitle {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.header-controls {
    display: flex;
    gap: 12px;
}

/* Buttons */
.btn {
    font-family: inherit;
    font-size: 0.85rem;
    font-weight: 600;
    padding: 8px 16px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-danger {
    background-color: transparent;
    border: 1px solid var(--neon-red);
    color: var(--neon-red);
}

.btn-danger:hover {
    background-color: var(--neon-red);
    color: white;
    box-shadow: var(--glow-red);
}

.btn-github {
    background-color: #24292e;
    color: white;
    border: 1px solid #3f4448;
}

.btn-github:hover {
    background-color: #2f363d;
}

/* Main Layout Grid */
.app-layout {
    flex: 1;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 20px;
    padding: 20px;
    height: calc(100vh - 100px);
    overflow: hidden;
}

/* Panel Structure */
.panel {
    background-color: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}

.panel-header {
    background-color: var(--bg-panel-header);
    border-bottom: 1px solid var(--border-color);
    padding: 10px 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.panel-header h2 {
    font-size: 0.95rem;
    font-weight: 600;
    flex: 1;
}

.panel-icon {
    font-size: 1.1rem;
}

.window-dots {
    display: flex;
    gap: 6px;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
}

.dot-red { background-color: var(--neon-red); }
.dot-yellow { background-color: var(--neon-amber); }
.dot-green { background-color: var(--neon-green); }

.panel-body {
    flex: 1;
    padding: 15px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.panel-body.scrollable {
    overflow-y: auto;
}

/* 1. Terminal Panel */
.terminal-panel {
    border-color: var(--neon-green);
    box-shadow: 0 0 15px rgba(16, 185, 129, 0.05);
    height: 380px;
    width: 100%;
}

.terminal-content {
    flex: 1;
    font-family: 'Fira Code', monospace;
    font-size: 0.9rem;
    background-color: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 4px;
    padding: 15px;
    overflow-y: auto;
    white-space: pre-wrap;
    color: #0f172a;
}

.terminal-line {
    margin-bottom: 6px;
    line-height: 1.4;
}

.term-system {
    color: var(--neon-cyan);
}

.term-success {
    color: var(--neon-green);
    font-weight: bold;
}

.term-warning {
    color: var(--neon-amber);
}

.term-error {
    color: var(--neon-red);
}

.terminal-input-line {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
    background-color: #f1f5f9;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 6px 12px;
}

.prompt {
    font-family: 'Fira Code', monospace;
    color: var(--neon-green);
    font-weight: bold;
}

#terminal-input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: #0f172a;
    font-family: 'Fira Code', monospace;
    font-size: 0.95rem;
}

.btn-send {
    background-color: var(--neon-green);
    border: none;
    color: white;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.8rem;
    transition: all 0.2s ease;
}

.btn-send:hover {
    box-shadow: var(--glow-green);
    opacity: 0.9;
}

/* 2. Code Viewer Panel */
.code-panel {
    border-color: var(--neon-cyan);
    box-shadow: 0 0 15px rgba(6, 182, 212, 0.05);
}

.badge-func {
    background-color: #f1f5f9;
    border: 1px solid var(--neon-cyan);
    color: var(--neon-cyan);
    font-family: 'Fira Code', monospace;
    font-size: 0.75rem;
    padding: 2px 8px;
    border-radius: 4px;
    font-weight: 500;
}

.code-container {
    font-family: 'Fira Code', monospace;
    font-size: 0.85rem;
    line-height: 1.6;
    color: #334155;
    position: relative;
}

/* Code highlight classes */
.code-line {
    display: block;
    padding: 0 10px;
    border-left: 3px solid transparent;
    transition: all 0.2s ease;
}

.code-line:hover {
    background-color: #f1f5f9;
}

.code-line.active {
    background-color: rgba(2, 132, 199, 0.08) !important;
    border-left-color: var(--neon-cyan) !important;
    color: #0f172a !important;
    font-weight: 500;
}

.code-line.executing {
    background-color: rgba(217, 119, 6, 0.08) !important;
    border-left-color: var(--neon-amber) !important;
    color: #0f172a !important;
    font-weight: bold;
}

.line-num {
    display: inline-block;
    width: 30px;
    color: #94a3b8;
    user-select: none;
    text-align: right;
    margin-right: 15px;
}

/* Basic Syntax Highlighting rules simulating standard C syntax colors */
.c-keyword { color: #be185d; font-weight: bold; }
.c-type { color: #0369a1; font-weight: 500; }
.c-string { color: #15803d; }
.c-comment { color: #64748b; font-style: italic; }
.c-number { color: #b45309; }

/* 3. Memory Inspector Panel */
.memory-panel {
    grid-column: 1 / 2;
    grid-row: 2 / 3;
    border-color: var(--neon-purple);
    box-shadow: 0 0 15px rgba(139, 92, 246, 0.05);
}

.memory-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1.2fr;
    gap: 15px;
    overflow-y: auto;
}

.memory-card {
    background-color: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 12px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.02);
}

.memory-card h3 {
    font-size: 0.8rem;
    font-weight: 600;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 6px;
    margin-bottom: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.type-info {
    font-size: 0.7rem;
    color: var(--text-muted);
    font-weight: normal;
}

.struct-view {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.struct-field {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: 'Fira Code', monospace;
    font-size: 0.78rem;
}

.field-name {
    color: var(--text-muted);
}

.field-val {
    color: var(--neon-cyan);
    font-weight: bold;
    word-break: break-all;
    text-align: right;
}

/* Word bank specific styles */
.word-bank-list {
    flex: 1;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    align-content: flex-start;
    overflow-y: auto;
    max-height: 80px;
}

.word-bank-chip {
    background-color: #f1f5f9;
    border: 1px solid #e2e8f0;
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Fira Code', monospace;
    font-size: 0.75rem;
    color: #334155;
}

.word-bank-chip.highlight {
    background-color: rgba(2, 132, 199, 0.08);
    border-color: var(--neon-cyan);
    color: var(--neon-cyan);
    box-shadow: var(--glow-cyan);
}

.mt-10 { margin-top: 10px; }

/* HOF Table styles */
.hof-table-wrapper {
    flex: 1;
    overflow-y: auto;
}

.memory-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.75rem;
    text-align: left;
}

.memory-table th, .memory-table td {
    padding: 6px 8px;
    border-bottom: 1px solid #e2e8f0;
}

.memory-table th {
    color: var(--text-muted);
    font-weight: 600;
}

.memory-table td {
    font-family: 'Fira Code', monospace;
}

.memory-table tr:hover {
    background-color: #f8fafc;
}

/* Footer */
.app-footer {
    background-color: #ffffff;
    border-top: 1px solid var(--border-color);
    padding: 10px 20px;
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Keyframes */
@keyframes pulse {
    from { opacity: 0.8; transform: scale(1); }
    to { opacity: 1; transform: scale(1.05); }
}

/* 3. Words Panel */
.words-panel {
    border-color: var(--primary-color);
    box-shadow: 0 0 15px rgba(37, 99, 235, 0.05);
}

.hidden {
    display: none !important;
}

/* Responsive adjustments */
@media (max-width: 1024px) {
    .app-layout {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto auto;
        height: auto;
        overflow-y: auto;
    }
    
    .code-panel {
        grid-column: 1 / 2;
        grid-row: 2 / 3;
        height: 400px;
    }
    
    .memory-panel {
        grid-column: 1 / 2;
        grid-row: 3 / 4;
    }
    
    .memory-grid {
        grid-template-columns: 1fr;
    }
}