/* modules/visualisasi-io/style.css */
:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary: #64748b;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #06b6d4;
    --bg: #0f172a;
    --bg-light: #1e293b;
    --bg-lighter: #334155;
    --text: #f8fafc;
    --text-light: #cbd5e1;
    --border: #475569;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    
    /* Component colors */
    --cpu-color: #10b981;
    --memory-color: #3b82f6;
    --io-color: #8b5cf6;
    --dma-color: #f59e0b;
    --device-color: #ef4444;
}

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

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

.simulator-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem;
}

/* Header */
.simulator-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border);
    margin-bottom: 2rem;
}

.header-content h1 {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header-content h1 i {
    margin-right: 0.5rem;
}

.header-content p {
    color: var(--text-light);
    margin-top: 0.5rem;
}

.simulator-nav {
    display: flex;
    gap: 1rem;
}

.nav-btn {
    background: var(--bg-light);
    color: var(--text);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-btn:hover {
    background: var(--primary);
    transform: translateY(-2px);
}

/* Control Panel */
.control-panel {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    background: var(--bg-light);
    padding: 1.5rem;
    border-radius: 12px;
    margin-bottom: 2rem;
    border: 1px solid var(--border);
}

.panel-section h3 {
    margin-bottom: 1rem;
    color: var(--text-light);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.control-buttons {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.btn {
    padding: 0.75rem 1rem;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    font-family: inherit;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.btn-success {
    background: var(--success);
    color: white;
}

.btn-warning {
    background: var(--warning);
    color: white;
}

.btn-secondary {
    background: var(--secondary);
    color: white;
}

/* Configuration */
.config-grid {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.config-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.config-item label {
    color: var(--text-light);
    font-size: 0.9rem;
    min-width: 120px;
}

.config-item select {
    background: var(--bg-lighter);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 0.5rem;
    font-family: inherit;
    flex: 1;
}

/* Speed Control */
.speed-control {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.slider {
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: var(--bg-lighter);
    outline: none;
    -webkit-appearance: none;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
}

.speed-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    color: var(--text-light);
}

#speed-value {
    color: var(--primary);
    font-weight: 600;
}

/* System Visualization */
.system-visualization {
    margin-bottom: 2rem;
}

.system-visualization h2 {
    margin-bottom: 1.5rem;
    text-align: center;
    color: var(--text-light);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.system-architecture {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: auto auto;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.system-component {
    background: var(--bg-light);
    border-radius: 12px;
    border: 2px solid var(--border);
    transition: all 0.3s;
    overflow: hidden;
}

.system-component.active {
    border-color: var(--primary);
    box-shadow: 0 0 20px rgba(37, 99, 235, 0.3);
}

.system-component.executing {
    animation: pulse-component 1s ease-in-out;
}

.component-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    background: var(--bg-lighter);
    border-bottom: 1px solid var(--border);
}

.component-header i {
    font-size: 1.2rem;
}

.component-header h3 {
    color: var(--text);
    font-size: 1.1rem;
}

.component-content {
    padding: 1.5rem;
}

/* CPU Specific */
.cpu {
    border-color: var(--cpu-color);
}

.cpu-registers {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.register {
    background: var(--bg-lighter);
    padding: 0.75rem;
    border-radius: 6px;
    border: 1px solid var(--border);
    text-align: center;
}

.register label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-light);
    margin-bottom: 0.25rem;
}

.register .value {
    font-family: 'Courier New', monospace;
    font-weight: 600;
    color: var(--success);
}

.cpu-status {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
}

.status-item span:last-child {
    color: var(--success);
    font-weight: 600;
}

/* Memory Specific */
.memory {
    border-color: var(--memory-color);
}

.memory-map {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.memory-segment {
    background: var(--bg-lighter);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
}

.segment-label {
    background: var(--memory-color);
    color: white;
    padding: 0.5rem;
    text-align: center;
    font-weight: 600;
    font-size: 0.9rem;
}

.segment-content {
    padding: 1rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(40px, 1fr));
    gap: 0.25rem;
    max-height: 120px;
    overflow-y: auto;
}

.buffer-cell {
    background: var(--bg);
    padding: 0.25rem;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 0.7rem;
    text-align: center;
    border: 1px solid var(--border);
    transition: all 0.3s;
}

.buffer-cell.accessed {
    background: var(--memory-color);
    color: white;
    transform: scale(1.1);
}

.memory-stats {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 1rem;
    font-size: 0.9rem;
}

.memory-stats .stat {
    background: var(--bg-lighter);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    border: 1px solid var(--border);
}

/* I/O Controller Specific */
.io-controller {
    border-color: var(--io-color);
}

.controller-registers {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.io-register {
    background: var(--bg-lighter);
    padding: 0.75rem;
    border-radius: 6px;
    border: 1px solid var(--border);
    text-align: center;
}

.interrupt-system {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.interrupt-line {
    background: var(--bg-lighter);
    padding: 1rem;
    border-radius: 6px;
    border: 1px solid var(--border);
    text-align: center;
}

.interrupt-line.active {
    border-color: var(--warning);
    background: var(--warning);
    color: white;
}

.line-label {
    font-size: 0.8rem;
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

.line-status {
    font-weight: 600;
}

.vector-table {
    background: var(--bg);
    padding: 0.5rem;
    border-radius: 4px;
    border: 1px solid var(--border);
    font-family: 'Courier New', monospace;
    font-size: 0.8rem;
    max-height: 80px;
    overflow-y: auto;
}

/* DMA Controller Specific */
.dma-controller {
    border-color: var(--dma-color);
}

.dma-registers {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.dma-register {
    background: var(--bg-lighter);
    padding: 0.75rem;
    border-radius: 6px;
    border: 1px solid var(--border);
    text-align: center;
}

.dma-status {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
}

.dma-status .status span {
    color: var(--dma-color);
    font-weight: 600;
}

/* Devices Specific */
.devices {
    border-color: var(--device-color);
}

.device-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.device {
    background: var(--bg-lighter);
    padding: 1rem;
    border-radius: 8px;
    border: 1px solid var(--border);
    text-align: center;
    transition: all 0.3s;
}

.device.active {
    border-color: var(--device-color);
    box-shadow: 0 0 10px rgba(239, 68, 68, 0.3);
}

.device-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: var(--device-color);
}

.device-info {
    margin-bottom: 0.75rem;
}

.device-name {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.device-status {
    font-size: 0.8rem;
    color: var(--text-light);
}

.device-btn {
    background: var(--device-color);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.8rem;
    transition: all 0.3s;
}

.device-btn:hover {
    transform: translateY(-2px);
}

.device-output {
    background: var(--bg);
    padding: 0.5rem;
    border-radius: 4px;
    border: 1px solid var(--border);
    font-family: 'Courier New', monospace;
    font-size: 0.8rem;
    min-height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Data Flow Visualization */
.data-flow {
    background: var(--bg-light);
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid var(--border);
    margin-bottom: 2rem;
}

.data-flow h3 {
    margin-bottom: 1rem;
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.flow-diagram {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.flow-path {
    background: var(--bg-lighter);
    padding: 1rem;
    border-radius: 8px;
    border: 2px solid var(--border);
    text-align: center;
    transition: all 0.3s;
}

.flow-path.active {
    border-color: var(--primary);
    background: linear-gradient(135deg, var(--bg-lighter), var(--primary-dark));
}

.path-label {
    font-size: 0.8rem;
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

.path-data {
    font-family: 'Courier New', monospace;
    font-weight: 600;
    color: var(--success);
    min-height: 1.5rem;
}

/* Techniques Comparison */
.techniques-comparison {
    margin-bottom: 2rem;
}

.techniques-comparison h2 {
    margin-bottom: 1.5rem;
    text-align: center;
    color: var(--text-light);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.comparison-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.technique-card {
    background: var(--bg-light);
    border-radius: 12px;
    border: 1px solid var(--border);
    overflow: hidden;
    transition: all 0.3s;
}

.technique-card.active {
    border-color: var(--primary);
    box-shadow: 0 0 20px rgba(37, 99, 235, 0.3);
}

.tech-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1.5rem;
    background: var(--bg-lighter);
    border-bottom: 1px solid var(--border);
}

.tech-header i {
    font-size: 1.5rem;
    color: var(--primary);
}

.tech-header h3 {
    color: var(--text);
    font-size: 1.1rem;
}

.tech-content {
    padding: 1.5rem;
}

.tech-description {
    color: var(--text-light);
    margin-bottom: 1rem;
    font-style: italic;
    text-align: center;
}

.tech-pros-cons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.pros, .cons {
    font-size: 0.9rem;
}

.pros h4 {
    color: var(--success);
    margin-bottom: 0.5rem;
}

.cons h4 {
    color: var(--danger);
    margin-bottom: 0.5rem;
}

.pros ul, .cons ul {
    list-style: none;
    padding: 0;
}

.pros li, .cons li {
    padding: 0.25rem 0;
    border-bottom: 1px solid var(--border);
}

.pros li:before {
    content: "✓ ";
    color: var(--success);
    font-weight: bold;
}

.cons li:before {
    content: "✗ ";
    color: var(--danger);
    font-weight: bold;
}

.tech-stats {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.tech-stats .stat {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem;
    background: var(--bg-lighter);
    border-radius: 4px;
    border: 1px solid var(--border);
    font-size: 0.9rem;
}

.tech-stats .stat label {
    color: var(--text-light);
}

.tech-stats .stat span {
    font-weight: 600;
    color: var(--success);
}

/* Performance Monitoring */
.performance-monitoring {
    margin-bottom: 2rem;
}

.performance-monitoring h2 {
    margin-bottom: 1.5rem;
    text-align: center;
    color: var(--text-light);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.performance-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

.metric-card {
    background: var(--bg-light);
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid var(--border);
    text-align: center;
}

.metric-card h4 {
    margin-bottom: 1rem;
    color: var(--text-light);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.metric-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--success);
    margin-bottom: 1rem;
    font-family: 'Courier New', monospace;
}

.metric-chart {
    background: var(--bg-lighter);
    height: 8px;
    border-radius: 4px;
    overflow: hidden;
}

.chart-fill {
    height: 100%;
    background: var(--success);
    transition: width 0.5s ease;
}

.real-time-stats {
    background: var(--bg-light);
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid var(--border);
}

.real-time-stats h4 {
    margin-bottom: 1rem;
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.stat-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    background: var(--bg-lighter);
    border-radius: 6px;
    border: 1px solid var(--border);
    font-size: 0.9rem;
}

.stat-item label {
    color: var(--text-light);
}

.stat-item span {
    font-family: 'Courier New', monospace;
    font-weight: 600;
    color: var(--success);
}

/* Educational Content */
.educational-content {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border);
}

.edu-panel h3 {
    margin-bottom: 1.5rem;
    color: var(--text-light);
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.edu-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border);
    padding-bottom: 1rem;
    justify-content: center;
}

.edu-tab {
    background: var(--bg-lighter);
    color: var(--text);
    border: 1px solid var(--border);
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s;
    font-family: inherit;
}

.edu-tab.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.edu-content {
    background: var(--bg-lighter);
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--border);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.tab-content h4 {
    margin-bottom: 1rem;
    color: var(--text-light);
    border-bottom: 1px solid var(--border);
    padding-bottom: 0.5rem;
}

/* Addressing Methods */
.addressing-methods {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.method {
    background: var(--bg);
    padding: 1rem;
    border-radius: 6px;
    border: 1px solid var(--border);
}

.method h5 {
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.method p {
    color: var(--text-light);
    margin-bottom: 0.75rem;
    font-style: italic;
}

.method ul {
    list-style: none;
    padding: 0;
}

.method li {
    padding: 0.25rem 0;
    border-bottom: 1px solid var(--border);
    font-size: 0.9rem;
}

.method li:before {
    content: "• ";
    color: var(--primary);
    font-weight: bold;
}

/* Sync Techniques & Buffering */
.sync-techniques, .buffering-types, .error-types {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

.technique, .buffer-type, .error-type {
    background: var(--bg);
    padding: 1rem;
    border-radius: 6px;
    border: 1px solid var(--border);
}

.technique h5, .buffer-type h5, .error-type h5 {
    color: var(--primary);
    margin-bottom: 0.5rem;
}

/* Animations */
@keyframes pulse-component {
    0% { box-shadow: 0 0 0 0 rgba(37, 99, 235, 0.7); }
    70% { box-shadow: 0 0 0 10px rgba(37, 99, 235, 0); }
    100% { box-shadow: 0 0 0 0 rgba(37, 99, 235, 0); }
}

@keyframes data-flow {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.data-flowing {
    animation: data-flow 0.5s ease-in-out;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .system-architecture {
        grid-template-columns: 1fr;
    }
    
    .comparison-grid {
        grid-template-columns: 1fr;
    }
    
    .performance-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .simulator-header {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .control-panel {
        grid-template-columns: 1fr;
    }
    
    .config-item {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .cpu-registers, .controller-registers {
        grid-template-columns: 1fr;
    }
    
    .memory-map {
        grid-template-columns: 1fr;
    }
    
    .interrupt-system {
        grid-template-columns: 1fr;
    }
    
    .device-grid {
        grid-template-columns: 1fr;
    }
    
    .flow-diagram {
        grid-template-columns: 1fr;
    }
    
    .tech-pros-cons {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .addressing-methods {
        grid-template-columns: 1fr;
    }
    
    .edu-tabs {
        flex-direction: column;
    }
}