/* WebLab2 Styles - Dark Theme */

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: #1e1e1e;
    color: #e0e0e0;
}

/* Header */
.header {
    background: #252526;
    color: #e0e0e0;
    padding: 15px 20px;
    text-align: center;
    border-bottom: 1px solid #3c3c3c;
}

.header h1 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 600;
    color: #007acc;
}

.tagline {
    margin: 5px 0 0 0;
    font-size: 0.875rem;
    color: #888;
}

/* Main Container */
.main-container {
    padding: 16px;
    max-width: 100%;
    margin: 0 auto;
}

#viewer-container {
    width: 100%;
}

/* Override viewer height for full-screen experience */
.html-css-viewer {
    height: calc(100vh - 100px) !important;
}

/* When panels stack, ensure adequate height */
@media (max-width: 1024px) {
    .html-css-viewer {
        height: 1000px !important;
        min-height: 1000px;
    }
}

/* Responsive */
@media (max-width: 768px) {
    .header h1 {
        font-size: 1.25rem;
    }

    .main-container {
        padding: 10px;
    }

    .html-css-viewer {
        height: 900px !important;
        min-height: 900px;
    }
}