:root {
    --bg-color: #0d1117;
    --glass-bg: rgba(22, 27, 34, 0.6);
    --glass-border: rgba(255, 255, 255, 0.1);
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --accent-color: #58a6ff;
    --accent-hover: #79c0ff;
    --gradient-1: #1f6feb;
    --gradient-2: #8957e5;
    --danger: #f85149;
    --success: #2ea043;
}

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

body {
    font-family: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    overflow-x: hidden;
    padding: 2rem;
}

/* Background Blobs for Visual Interest */
.blob {
    position: absolute;
    filter: blur(80px);
    z-index: -1;
    opacity: 0.5;
    animation: float 10s infinite ease-in-out alternate;
}

.blob-1 {
    top: 10%;
    left: 20%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, var(--gradient-1), transparent 70%);
}

.blob-2 {
    bottom: 10%;
    right: 20%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--gradient-2), transparent 70%);
    animation-delay: -5s;
}

@keyframes float {
    0% { transform: translateY(0) scale(1); }
    100% { transform: translateY(20px) scale(1.05); }
}

/* Glassmorphism Container */
.glass-container {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 3rem;
    width: 100%;
    max-width: 900px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    transition: all 0.3s ease;
}

/* Typography & Layout */
header {
    text-align: center;
    margin-bottom: 3rem;
}

h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--text-primary), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    font-weight: 300;
}

/* Selectors Area */
.selectors {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.input-group {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.switch-icon {
    color: var(--accent-color);
    margin-top: 1.5rem;
    opacity: 0.7;
    transition: transform 0.3s ease;
}

.switch-icon:hover {
    transform: rotate(180deg);
    opacity: 1;
}

/* Custom Select Styling */
.custom-select {
    position: relative;
}

select {
    width: 100%;
    appearance: none;
    -webkit-appearance: none;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    padding: 1rem 1.5rem;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.1);
}

select:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px rgba(88, 166, 255, 0.3), inset 0 2px 4px rgba(0,0,0,0.1);
}

select:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

select option {
    background-color: var(--bg-color);
    color: var(--text-primary);
}

.custom-select::after {
    content: '';
    position: absolute;
    right: 1.5rem;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-top: 6px solid var(--text-secondary);
    pointer-events: none;
    transition: border-top-color 0.2s;
}

.custom-select:focus-within::after {
    border-top-color: var(--accent-color);
}

/* Protocol Content Area */
.protocol-content {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 2rem;
    margin-top: 2rem;
    opacity: 1;
    transform: translateY(0);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.protocol-content.hidden {
    opacity: 0;
    transform: translateY(20px);
    pointer-events: none;
    display: none;
}

/* Scraped HTML styling */
.protocol-content h2 {
    color: var(--accent-color);
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--glass-border);
}

.protocol-content p {
    line-height: 1.6;
    margin-bottom: 1rem;
}

.protocol-content a {
    color: var(--accent-hover);
    text-decoration: none;
    transition: color 0.2s;
}

.protocol-content a:hover {
    text-decoration: underline;
}

.protocol-content ul, .protocol-content ol {
    margin-left: 1.5rem;
    margin-bottom: 1rem;
}

.protocol-content li {
    margin-bottom: 0.5rem;
}

.protocol-content .reference {
    font-size: 0.85rem;
    color: var(--text-secondary);
    border-top: 1px dashed var(--glass-border);
    padding-top: 1rem;
    margin-top: 2rem;
}

/* Emphasis styling parsed from scraped data */
.protocol-content strong, .protocol-content b {
    color: #fff;
    font-weight: 600;
}

/* Footer */
footer {
    margin-top: 3rem;
    text-align: center;
    border-top: 1px solid var(--glass-border);
    padding-top: 1.5rem;
}

footer p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

footer a {
    color: var(--accent-color);
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 768px) {
    .selectors {
        flex-direction: column;
    }
    
    .switch-icon {
        transform: rotate(90deg);
        margin: -0.5rem 0;
    }
    
    .switch-icon:hover {
        transform: rotate(90deg) scale(1.1);
    }
    
    .glass-container {
        padding: 2rem;
    }
}