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

:root {
    /* Color Palette */
    --bg-primary: #1a1a1a;
    --bg-secondary: #242424;
    --bg-card: #2a2a2a;
    --text-primary: #e0e0e0;
    --text-secondary: #a0a0a0;
    --accent-primary: #4CAF50;
    --accent-secondary: #2196F3;
    --accent-danger: #f44336;
    --accent-warning: #ff9800;
    --border-color: #3a3a3a;
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-lg);
}

/* Header */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

h1 {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--text-primary);
}

.subtitle {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: var(--spacing-xs);
    font-style: italic;
}

h2 {
    font-size: 1.3rem;
    font-weight: 500;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

h3 {
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

/* Status Bar */
.status-bar {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.status-indicator {
    display: flex;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--accent-danger);
    margin-right: var(--spacing-sm);
    animation: pulse 2s infinite;
}

.status-indicator.connected .status-dot {
    background-color: var(--accent-primary);
    animation: none;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Cards */
.card {
    background-color: var(--bg-card);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    border: 1px solid var(--border-color);
}

/* Device Section */
.device-controls {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.device-select {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 1rem;
}

/* Switch Groups */
.switch-group {
    margin-bottom: var(--spacing-xl);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    background-color: var(--bg-secondary);
}

.switch-group-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--accent-primary);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--border-color);
}

.switch-config-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

/* Configuration Section */
.config-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
}

.config-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.config-item {
    background-color: var(--bg-secondary);
    padding: var(--spacing-md);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}

/* Event Configuration */
.event-config {
    background-color: var(--bg-card);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
}

.event-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
}

.event-actions {
    display: flex;
    gap: var(--spacing-sm);
}

/* Message Configuration */
.messages-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.message-config {
    background-color: var(--bg-secondary);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.message-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid var(--border-color);
}

.message-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background-color: var(--accent-secondary);
    color: white;
    border-radius: 50%;
    font-size: 0.8rem;
    font-weight: 600;
    flex-shrink: 0;
}

.message-preview {
    flex: 1;
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 0.85rem;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.message-form {
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.config-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.form-row {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.form-row label {
    flex: 0 0 100px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.msg-type-select,
.number-input {
    flex: 1;
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.9rem;
}

.number-input {
    text-align: center;
}

.number-input.small {
    max-width: 60px;
    font-size: 0.8rem;
}

.msg-type-select:disabled,
.number-input:disabled {
    background-color: var(--bg-secondary);
    color: var(--text-secondary);
    cursor: not-allowed;
    opacity: 0.6;
}

.form-row small {
    color: var(--text-secondary);
    font-size: 0.75rem;
    margin-left: var(--spacing-xs);
}

/* Buttons */
.btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    outline: none;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

.btn:active {
    transform: translateY(0);
}

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

.btn-primary:hover {
    background-color: #45a049;
}

.btn-primary:disabled {
    background-color: #666;
    cursor: not-allowed;
    transform: none;
}

.btn-secondary {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: var(--bg-primary);
}

.btn-small {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 0.85rem;
}

.btn-tiny {
    padding: 2px 6px;
    font-size: 0.7rem;
    line-height: 1;
    min-width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.btn-danger:hover {
    background-color: #d32f2f;
}

.btn-warning {
    background-color: var(--accent-warning);
    color: white;
    font-weight: 600;
}

.btn-warning:hover {
    background-color: #f57c00;
}

/* Action Buttons */
.action-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    align-items: center;
}

.separator {
    width: 1px;
    height: 30px;
    background-color: var(--border-color);
    margin: 0 var(--spacing-sm);
}

/* Global Actions */
.global-actions {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

.action-group {
    margin-bottom: var(--spacing-md);
}

.action-group h4 {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
}

.action-group .btn {
    margin-right: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

/* Log Section */
.log-section {
    position: relative;
}

.log-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.log-container {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    height: 300px;
    overflow: hidden;
    position: relative;
}

.log-content {
    height: 100%;
    overflow-y: auto;
    padding: var(--spacing-md);
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 0.85rem;
    line-height: 1.4;
}

.log-entry {
    margin-bottom: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    word-wrap: break-word;
}

.log-entry.info {
    color: var(--text-primary);
    background-color: rgba(33, 150, 243, 0.1);
}

.log-entry.success {
    color: #81C784;
    background-color: rgba(76, 175, 80, 0.1);
}

.log-entry.error {
    color: #e57373;
    background-color: rgba(244, 67, 54, 0.1);
}

.log-entry.warning {
    color: #FFB74D;
    background-color: rgba(255, 152, 0, 0.1);
}

.log-entry.sysex {
    color: #BA68C8;
    background-color: rgba(156, 39, 176, 0.1);
}

.log-entry.midi {
    color: #64B5F6;
    background-color: rgba(33, 150, 243, 0.1);
}

.log-timestamp {
    color: var(--text-secondary);
    margin-right: var(--spacing-sm);
}

.log-hex {
    font-family: 'Consolas', 'Monaco', monospace;
    color: #64B5F6;
}

/* Footer */
footer {
    text-align: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

footer p {
    margin: var(--spacing-xs) 0;
}

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

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb:hover {
    background: #555;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: var(--spacing-md);
    }
    
    header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }
    
    h1 {
        font-size: 1.5rem;
    }
    
    .device-controls {
        flex-direction: column;
    }
    
    .device-select {
        width: 100%;
    }
    
    .switch-config-row {
        grid-template-columns: 1fr;
    }
    
    .form-row label {
        flex: 0 0 80px;
    }
    
    .action-buttons {
        justify-content: center;
    }
    
    .separator {
        display: none;
    }
    
    .log-container {
        height: 200px;
    }
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid var(--border-color);
    border-radius: 50%;
    border-top-color: var(--accent-primary);
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Loading Indicator */
.loading-indicator {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-secondary);
    font-style: italic;
    margin-bottom: var(--spacing-md);
}

/* Loading State for Switch Groups */
.switch-group.loading {
    opacity: 0.6;
    pointer-events: none;
}

.switch-group.loading * {
    cursor: not-allowed !important;
}

/* Tooltip */
.tooltip {
    position: relative;
    display: inline-block;
}

.tooltip .tooltiptext {
    visibility: hidden;
    width: 200px;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    text-align: center;
    border-radius: var(--radius-sm);
    padding: var(--spacing-sm);
    position: absolute;
    z-index: 1;
    bottom: 125%;
    left: 50%;
    margin-left: -100px;
    opacity: 0;
    transition: opacity 0.3s;
    border: 1px solid var(--border-color);
    font-size: 0.85rem;
}

.tooltip:hover .tooltiptext {
    visibility: visible;
    opacity: 1;
}

/* Modified field styles */
.modified {
    border-color: var(--accent-warning) !important;
    background-color: rgba(255, 152, 0, 0.1) !important;
    box-shadow: 0 0 0 2px rgba(255, 152, 0, 0.2);
    transition: all 0.2s ease;
}

/* Change indicator */
.change-indicator {
    color: var(--accent-warning);
    font-weight: bold;
    font-size: 1.2em;
    margin-left: var(--spacing-xs);
    display: none; /* Initially hidden */
    animation: pulse-indicator 2s infinite;
}

@keyframes pulse-indicator {
    0%, 100% { 
        opacity: 1; 
        transform: scale(1);
    }
    50% { 
        opacity: 0.7; 
        transform: scale(1.1);
    }
}

/* Modified button state */
.btn-primary:disabled {
    background-color: #666 !important;
    cursor: not-allowed !important;
    transform: none !important;
    opacity: 0.6;
}