:root {
    --bg-color: #0f172a;
    --panel-bg: rgba(30, 41, 59, 0.7);
    --accent-color: #38bdf8;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --glass-border: rgba(255, 255, 255, 0.1);
    --font-main: 'Inter', sans-serif;
    --font-heading: 'Outfit', sans-serif;
}

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

body {
    background-color: var(--bg-color);
    background-image: 
        radial-gradient(at 0% 0%, rgba(56, 189, 248, 0.15) 0, transparent 50%),
        radial-gradient(at 100% 0%, rgba(139, 92, 246, 0.15) 0, transparent 50%);
    color: var(--text-primary);
    font-family: var(--font-main);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.container {
    width: 90%;
    max-width: 900px;
    margin: 40px auto;
}

.glass-panel {
    background: var(--panel-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 3rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

/* Markdown Styling */
#content h1 {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    background: linear-gradient(to right, #38bdf8, #818cf8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

#content blockquote {
    font-size: 1.25rem;
    color: var(--text-secondary);
    border-left: 4px solid var(--accent-color);
    padding-left: 1.5rem;
    margin: 1.5rem 0 2.5rem 0;
    font-style: italic;
}

#content h2 {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    margin: 2.5rem 0 1.25rem 0;
    color: var(--accent-color);
    border-bottom: 1px solid var(--glass-border);
    padding-bottom: 0.5rem;
}

#content h3 {
    font-size: 1.25rem;
    margin-top: 1.5rem;
}

#content ul {
    list-style: none;
    margin-bottom: 1.5rem;
}

#content li {
    margin-bottom: 0.5rem;
    position: relative;
    padding-left: 1.5rem;
}

#content li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--accent-color);
}

#content strong {
    color: var(--accent-color);
}

/* Loader */
.loader-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 3px solid rgba(56, 189, 248, 0.1);
    border-top: 3px solid var(--accent-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.footer {
    margin-top: auto;
    padding: 2rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
    opacity: 0.6;
}

/* Responsive */
@media (max-width: 640px) {
    .glass-panel {
        padding: 1.5rem;
    }
    #content h1 {
        font-size: 2.25rem;
    }
}