/* CSS Design System for Tinkerer's Journal */
:root {
    --bg-main: #0d1117;
    --bg-card: #161b22;
    --bg-card-header: #21262d;
    --border-color: #30363d;
    
    --text-primary: #c9d1d9;
    --text-secondary: #8b949e;
    --text-accent: #58a6ff;
    --text-muted: #484f58;

    --splashlearn-teal: #00d2c4;
    --splashlearn-glow: rgba(0, 210, 196, 0.15);
    
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-mono: 'Fira Code', monospace;
    
    --max-width: 1100px;
    --border-radius: 6px;
    --transition: all 0.2s ease-in-out;
}

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

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.6;
    padding: 2rem 1rem;
}

.journal-wrapper {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    min-height: 90vh;
}

/* Header */
header {
    margin-bottom: 2.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font-mono);
    font-size: 0.9rem;
}

.terminal-prompt {
    color: var(--text-accent);
}

.status-indicator {
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.status-indicator .dot {
    width: 8px;
    height: 8px;
    background-color: var(--splashlearn-teal);
    border-radius: 50%;
    display: inline-block;
    box-shadow: 0 0 6px var(--splashlearn-teal);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(0.95); opacity: 0.5; }
    50% { transform: scale(1.1); opacity: 1; }
    100% { transform: scale(0.95); opacity: 0.5; }
}

/* Main sections */
main {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.intro-section {
    margin-bottom: 1.5rem;
}

.name-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: #ffffff;
    letter-spacing: -0.5px;
    margin-bottom: 0.5rem;
}

.tagline {
    font-size: 1.2rem;
    color: var(--text-secondary);
    font-weight: 400;
}

/* Content Grid Layout */
.content-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 2rem;
}

/* Cards shared styling */
.readme-card, .doodle-card, .hobbies-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.card-header {
    background-color: var(--bg-card-header);
    border-bottom: 1px solid var(--border-color);
    padding: 0.75rem 1rem;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-secondary);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-body {
    padding: 1.5rem;
}

/* Markdown README styles */
.markdown-body h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #ffffff;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    padding-bottom: 0.3rem;
    border-bottom: 1px solid var(--border-color);
    font-family: var(--font-mono);
}

.markdown-body h2:first-of-type {
    margin-top: 0;
}

.markdown-body p {
    margin-bottom: 1rem;
    font-size: 0.98rem;
}

.markdown-body strong {
    color: #ffffff;
}

.splashlearn-link {
    color: var(--splashlearn-teal);
    text-decoration: none;
    font-weight: 600;
    border-bottom: 1px dashed var(--splashlearn-teal);
    transition: var(--transition);
}

.splashlearn-link:hover {
    background-color: var(--splashlearn-glow);
    border-bottom-style: solid;
}

.markdown-body blockquote {
    border-left: 4px solid var(--border-color);
    padding-left: 1rem;
    color: var(--text-secondary);
    margin: 1.5rem 0;
    font-style: italic;
}

/* Doodle Sandbox styles */
.canvas-container {
    position: relative;
    padding: 0;
}

#doodleCanvas {
    width: 100%;
    height: 250px;
    background-color: #0d1117;
    background-image: 
        radial-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px);
    background-size: 20px 20px;
    display: block;
    cursor: crosshair;
}

.canvas-instructions {
    position: absolute;
    bottom: 0.5rem;
    right: 0.5rem;
    font-size: 0.75rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
    pointer-events: none;
}

.btn-clear {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    cursor: pointer;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    transition: var(--transition);
}

.btn-clear:hover {
    color: #ffffff;
    border-color: var(--text-secondary);
}

/* Hobbies & Interests List */
.sidebar-column {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.hobbies-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.hobbies-list li {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.hobby-icon {
    font-size: 1.2rem;
    color: var(--text-accent);
    margin-top: 0.2rem;
    width: 24px;
    text-align: center;
}

.hobby-info {
    display: flex;
    flex-direction: column;
}

.hobby-info strong {
    color: #ffffff;
    font-size: 0.95rem;
}

.hobby-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 0.1rem;
}

.hobby-desc em {
    color: var(--text-accent);
    font-style: normal;
    font-family: var(--font-mono);
}

/* Footer */
footer {
    margin-top: 4rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.social-links {
    display: flex;
    gap: 1.25rem;
}

.social-links a {
    color: var(--text-secondary);
    font-size: 1.1rem;
    transition: var(--transition);
}

.social-links a:hover {
    color: #ffffff;
    transform: translateY(-1px);
}

/* Responsive design */
@media (max-width: 768px) {
    .content-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    body {
        padding: 1rem 0.5rem;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}