* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    font-family: 'Google Sans', Arial, sans-serif;
    background-color: #f8f9fa;
    color: #202124;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Presentation Screen Layout */
.presentation {
    display: flex;
    flex-direction: column;
    background-color: #f1f3f4; /* Slightly different bg for dashboard */
}

.dashboard-header {
    background: white;
    padding: 1.5rem 2.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    z-index: 100;
}

.main-title {
    font-family: 'Press Start 2P', system-ui;
    font-size: 1.4rem;
    font-weight: 400;
    color: #1a73e8;
    margin-bottom: 0.8rem;
    text-transform: uppercase;
    letter-spacing: -1px;
}

.sub-title {
    font-family: 'Inconsolata', monospace;
    font-size: 1.2rem;
    color: #5f6368;
    margin-top: 0.2rem;
    font-weight: 400;
}

.header-right {
    display: flex;
    gap: 3rem;
    align-items: flex-end;
}

.counter-group {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.counter-label {
    font-family: 'Inconsolata', monospace;
    font-size: 0.9rem;
    text-transform: uppercase;
    color: #70757a;
    font-weight: 600;
    margin-bottom: 0.4rem;
}

.counter-value {
    font-family: 'Press Start 2P', system-ui;
    font-size: 2.2rem;
    color: #34a853; /* Success green for Active */
    text-shadow: 0 0 15px rgba(52, 168, 83, 0.2);
}

.idle-value {
    color: #5f6368; /* Neutral grey for Idle */
    text-shadow: none;
}

.presentation main {
    flex: 1;
    padding: 2px; /* Minimal padding for edge-to-edge grid */
    overflow: hidden; 
    display: flex;
    flex-direction: column;
}

#container-grid {
    flex: 1;
    display: grid;
    /* Columns and rows determined by JS */
    grid-template-columns: repeat(var(--cols, 10), 1fr);
    grid-template-rows: repeat(var(--rows, 6), 1fr);
    gap: 2px;
    align-content: stretch;
}

.container-box {
    container-type: inline-size; /* Enable container queries */
    background-color: white;
    border-radius: 4px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
    border: 3px solid rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    padding: 0;
}

.container-box.empty {
    background-color: rgba(0,0,0,0.01);
    border: 1px dashed rgba(0,0,0,0.05);
    box-shadow: none;
}

/* Highly responsive font sizes */
.container-box .emoji {
    font-size: 40cqw; /* Adapt emoji to container width */
    line-height: 1;
    color: white; 
    margin-top: 10cqw; /* Spacing based on container size */
}

.status-idle .emoji, .status-idle .instance-id {
    color: #202124 !important;
}

.container-box .instance-id {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(0,0,0,0.08);
    padding: 2cqw 0;
    text-align: center;
    font-size: 12.5cqw; /* Aggressive scaling to fill width */
    font-weight: 400;
    color: white; 
    font-family: 'Press Start 2P', system-ui;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.container-box.pop-in {
    animation: popIn 0.4s ease-out;
}

@keyframes popIn {
    from { transform: scale(0.5); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

/* Common Styles */
.retro-header {
    font-family: 'Press Start 2P', system-ui;
    font-size: 1.2rem;
    color: #1a73e8;
    text-align: center;
    margin-bottom: 2rem;
    text-transform: uppercase;
}

.section-label {
    font-family: 'Inconsolata', monospace;
    font-size: 0.9rem;
    font-weight: 700;
    color: #70757a;
    text-transform: uppercase;
    margin-bottom: 1rem;
    border-bottom: 1px solid #e8eaed;
    padding-bottom: 0.4rem;
    margin-top: 1.5rem;
}

/* Attendee Screen Customizations */
.intro-text {
    font-family: 'Inconsolata', monospace;
    text-align: center;
    margin-bottom: 2.5rem;
    color: #5f6368;
    font-size: 1.1rem;
    line-height: 1.5;
}

.status-panel {
    font-family: 'Inconsolata', monospace;
    padding: 0.8rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    text-align: center;
    font-weight: 600;
}

#preview-wrapper {
    background: #f8f9fa;
    padding: 2.5rem;
    border-radius: 12px;
    margin-bottom: 1rem;
    border: 1px solid #e8eaed;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    min-height: 220px; /* Exact height to prevent jump when 150px box arrives */
}

.pulse-dot {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: #5f6368; /* Default grey */
    transition: background-color 0.3s ease;
}

.pulse-dot.connected {
    background-color: #34a853;
    box-shadow: 0 0 8px #34a853;
    animation: pulse-glow 2s infinite;
}

.pulse-dot.connecting {
    background-color: #f29900;
    animation: pulse-glow 1s infinite;
}

.pulse-dot.error {
    background-color: #c5221f;
    box-shadow: 0 0 8px #c5221f;
}

@keyframes pulse-glow {
    0% { transform: scale(0.95); opacity: 0.7; }
    50% { transform: scale(1.1); opacity: 1; box-shadow: 0 0 12px currentColor; }
    100% { transform: scale(0.95); opacity: 0.7; }
}

.status-placeholder {
    font-family: 'Inconsolata', monospace;
    font-weight: 600;
    color: #5f6368;
    text-transform: uppercase;
    letter-spacing: 0.05rem;
}

.terminal-box {
    background-color: #3C4043;
    border-radius: 8px;
    padding: 1.2rem;
    color: #A8DAB5; /* Soft terminal green */
    font-family: 'Inconsolata', monospace;
    font-size: 0.95rem;
    line-height: 1.6;
    box-shadow: inset 0 2px 10px rgba(0,0,0,0.5);
    min-height: 200px;
    overflow-x: auto;
}

.terminal-line {
    white-space: pre-wrap;
    margin-bottom: 0.2rem;
}

.terminal-line .prompt {
    color: #188038; /* Darker green prompt */
    margin-right: 0.6rem;
    font-weight: bold;
}

.container {
    max-width: 550px;
    width: 90%;
    margin: 2rem auto;
    padding: 2.5rem;
    background-color: white;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
}

.controls {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 1rem;
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.control-group label {
    font-family: 'Inconsolata', monospace;
    font-weight: 700;
    color: #5f6368;
    font-size: 0.8rem;
    text-transform: uppercase;
}

.emoji-grid, .color-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 10px;
}

.emoji-grid button, .color-grid button {
    padding: 10px;
    border: 1px solid #dadce0;
    border-radius: 8px;
    background: white;
    cursor: pointer;
    font-size: 1.4rem;
    transition: all 0.2s;
}

.emoji-grid button:hover, .color-grid button:hover {
    border-color: #1a73e8;
    background: #f8f9fa;
    transform: translateY(-2px);
}

.emoji-grid button.selected, .color-grid button.selected {
    border: 3px solid #1a73e8 !important;
    box-shadow: 0 0 10px rgba(26, 115, 232, 0.3);
    transform: scale(1.05);
}

.start-btn {
    font-family: 'Press Start 2P', system-ui;
    width: 100%;
    padding: 1.5rem;
    background-color: #1a73e8;
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    cursor: pointer;
    transition: transform 0.1s, background-color 0.2s;
}

.start-btn:hover {
    background-color: #1765cc;
}

.start-btn:active {
    transform: scale(0.98);
}