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

body {
    min-height: 100vh;
    width: 100%;
    margin: 0;
    overflow: hidden;
    font-family: Arial, Helvetica, sans-serif;
    background-color: #F4F5F6;
}

.container {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    flex-direction: row;
    background-color: #F4F5F6;
}

.if-vid {
    flex: 1;
    padding: 0px;
    
    overflow: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.p-head {
    font-family: Arial, Helvetica, sans-serif;
    font-weight: 600;
    letter-spacing: 0.5px;
    margin-bottom: 20px;
    font-size: 18px;
    color: #333;
    margin-left: -490px;
    margin-top: 15px;
}

/* Workbench Area */
.workbench {
    position: relative;
    flex: 1;
    width: 100%;
    overflow: hidden;
    z-index: 10;
    background: #f4f5f6;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.interfacing {
    position: relative;
    display: inline-block;
    width: 100%;
    max-width: 700px;
    margin: 0 auto;
}

.interfacing img {
    width: 50%;
    height: auto;
    display: block;
    margin-top: 0px;
    margin-left: -55px;
}
.sensor-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: auto;
}
/* Right Panel */
.right-panel {
    width: 600px;
    display: flex;
    flex-direction: column;
    background-color: #ffffff;
    border-left: 1px solid #e0e0e0;
    overflow: hidden;
}

.instruction-box {
    flex: 0 0 50%;
    display: flex;
    flex-direction: column;
    border-bottom: 1px solid #e0e0e0;
    overflow: hidden;
}

.box-title {
    padding: 15px 20px;
    background-color: #f8f9fa;
    border-bottom: 1px solid #e0e0e0;
    font-size: 16px;
    font-weight: 600;
    color: #333;
    margin: 0;
    flex-shrink: 0;
}

.instruction-content {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    font-size: 14px;
    line-height: 1.6;
    color: #555;
}

.instruction-content::-webkit-scrollbar {
    width: 8px;
}

.instruction-content::-webkit-scrollbar-track {
    background: #f1f1f1;
}

.instruction-content::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 4px;
}

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

.instruction-section {
    margin-bottom: 20px;
}

.instruction-section:last-child {
    margin-bottom: 0;
}

.instruction-section h4 {
    color: #2c3e50;
    margin-bottom: 10px;
    font-size: 15px;
    font-weight: 600;
}

.instruction-section p {
    margin-bottom: 10px;
    color: #555;
}

.instruction-section ol,
.instruction-section ul {
    margin-left: 20px;
    margin-bottom: 10px;
}

.instruction-section li {
    margin-bottom: 8px;
    line-height: 1.5;
}

.instruction-section strong {
    color: #333;
    font-weight: 600;
}

.code-box {
    flex: 0 0 50%;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.code-box-header {
    padding: 15px 20px;
    background-color: #2d2d2d;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #3d3d3d;
}

.code-box-header .box-title {
    color: #ffffff;
    background: transparent;
    border: none;
    padding: 0;
    font-size: 14px;
}

.code-actions {
    display: flex;
    gap: 10px;
}

.control-btn {
    padding: 6px 14px;
    border: none;
    border-radius: 3px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.3s ease;
}

.start-btn {
    background-color: #4caf50;
    color: white;
}

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

.stop-btn {
    background-color: #f44336;
    color: white;
}

.stop-btn:hover {
    background-color: #da190b;
}

.play-icon {
    font-size: 10px;
}

.code-content-wrapper {
    flex: 1;
    overflow: hidden;
    background-color: #272822;
}

.code-content {
    flex: 1;
    overflow: hidden;
    background-color: #272822;
    height: 100%;
}

.code-content .CodeMirror {
    width: 100%;
    height: 100%;
    font-family: 'Consolas', 'Courier New', monospace;
    font-size: 13px;
    line-height: 1.5;
}

.code-content .CodeMirror-scroll {
    overflow-y: auto !important;
    overflow-x: auto !important;
    min-height: 100%;
}

.code-content .CodeMirror-hscrollbar {
    height: 12px !important;
}

.code-content .CodeMirror-vscrollbar {
    width: 12px !important;
}

.code-content .CodeMirror-scrollbar-filler {
    background-color: #272822;
}

.code-content .CodeMirror-hscrollbar::-webkit-scrollbar {
    height: 12px;
}

.code-content .CodeMirror-hscrollbar::-webkit-scrollbar-track {
    background: #1e1e1e;
}

.code-content .CodeMirror-hscrollbar::-webkit-scrollbar-thumb {
    background: #555;
    border-radius: 6px;
}

.code-content .CodeMirror-hscrollbar::-webkit-scrollbar-thumb:hover {
    background: #777;
}

.code-content .CodeMirror-vscrollbar::-webkit-scrollbar {
    width: 12px;
}

.code-content .CodeMirror-vscrollbar::-webkit-scrollbar-track {
    background: #1e1e1e;
}

.code-content .CodeMirror-vscrollbar::-webkit-scrollbar-thumb {
    background: #555;
    border-radius: 6px;
}

.code-content .CodeMirror-vscrollbar::-webkit-scrollbar-thumb:hover {
    background: #777;
}

#arduinoCode {
    display: none;
}

/* Serial Monitor */
.serial-monitor {
    width: 100%;
    height: 200px;
    display: flex;
    flex-direction: column;
    background: #000000;
    color: #00ff00;
    font-family: 'Courier New', Courier, monospace;
    font-size: 12px;
    overflow: hidden;
    border-top: 2px solid #444;
    flex-shrink: 0;
}

.serial-header {
    background: #2d2d2d;
    padding: 8px 15px;
    color: #ffffff;
    font-size: 12px;
    border-bottom: 1px solid #1e1e1e;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.serial-output {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 10px;
    line-height: 1.5;
    min-height: 0;
    height: 100%;
    scroll-behavior: smooth;
}

.serial-output::-webkit-scrollbar {
    width: 10px;
}

.serial-output::-webkit-scrollbar-track {
    background: #0a0a0a;
    border-radius: 5px;
}

.serial-output::-webkit-scrollbar-thumb {
    background: #444;
    border-radius: 5px;
    border: 2px solid #0a0a0a;
}

.serial-output::-webkit-scrollbar-thumb:hover {
    background: #666;
}

.serial-empty {
    opacity: 0.5;
    font-style: italic;
}

.serial-log {
    word-break: break-all;
    margin-bottom: 4px;
}