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

:root {
    --bg: #0a0a0a;
    --surface: #141414;
    --surface-hover: #1a1a1a;
    --border: #222;
    --text: #e8e8e8;
    --text-muted: #888;
    --accent: #4ade80;
    --accent-dim: rgba(74, 222, 128, 0.1);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Two-column layout */
.layout {
    display: flex;
    max-width: 1060px;
    margin: 0 auto;
    padding: 2rem 1.5rem 2rem;
    gap: 2rem;
    flex: 1;
}

.main {
    flex: 1;
    max-width: 640px;
}

/* Visitor Counter */
.visitor-counter {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 0.8rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 100px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 3rem;
}

.counter-icon {
    color: var(--accent);
    font-size: 0.5rem;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

/* Hero */
.hero {
    margin-bottom: 3rem;
}

.hero h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    letter-spacing: -0.02em;
}

.hero .aka {
    font-size: 1.1rem;
    font-weight: 400;
    color: var(--text-muted);
    font-family: 'JetBrains Mono', monospace;
}

.social-icons {
    display: inline-flex;
    gap: 0.6rem;
    margin-left: 0.5rem;
    vertical-align: middle;
}

.social-icons a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.2s;
    display: inline-flex;
    align-items: center;
}

.social-icons a:hover {
    color: var(--accent);
}

.hero .subtitle {
    font-size: 1.15rem;
    color: var(--text);
    margin-bottom: 0.5rem;
    line-height: 1.5;
}

.hero .tagline {
    font-size: 0.95rem;
    color: var(--text-muted);
    font-style: italic;
}

/* Cards */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.75rem;
    margin-bottom: 1.5rem;
}

.card.featured {
    border-color: var(--accent);
    background: linear-gradient(135deg, var(--surface) 0%, var(--accent-dim) 100%);
}

.card-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.75rem;
}

.card h2 {
    font-size: 1.35rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    letter-spacing: -0.01em;
}

.card p {
    color: var(--text-muted);
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
}

.card p:last-child {
    margin-bottom: 0;
}

.feature-list {
    list-style: none;
    margin: 1rem 0 1.5rem;
}

.feature-list li {
    padding: 0.35rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.feature-list li::before {
    content: "\2713";
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: 600;
}

/* Wall Sidebar */
.wall-sidebar {
    width: 280px;
    flex-shrink: 0;
    position: sticky;
    top: 2rem;
    margin-top: 10rem;
    align-self: flex-start;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.25rem;
    max-height: calc(100vh - 4rem);
    overflow-y: auto;
}

.wall-sidebar::-webkit-scrollbar {
    width: 4px;
}

.wall-sidebar::-webkit-scrollbar-track {
    background: transparent;
}

.wall-sidebar::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 4px;
}

.wall-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.wall-subtitle {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

.wall-form {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.wall-form .form-input {
    padding: 0.5rem 0.65rem;
    font-size: 0.8rem;
}

.wall-form textarea.form-input {
    min-height: 50px;
    resize: vertical;
}

.wall-form-footer {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.form-select-sm {
    flex: 1;
    padding: 0.4rem 0.5rem;
    font-size: 0.75rem;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' fill='%23888' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.5rem center;
}

.form-select-sm:focus {
    outline: none;
    border-color: var(--accent);
}

.form-select-sm option {
    background: var(--surface);
    color: var(--text);
}

.wall-submit-btn {
    width: 100%;
    padding: 0.5rem 0.85rem;
    background: var(--accent);
    color: var(--bg);
    border: none;
    border-radius: 6px;
    font-family: 'Inter', sans-serif;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s;
    white-space: nowrap;
}

.wall-submit-btn:hover {
    opacity: 0.85;
}

/* Wall Messages */
.wall-messages {
    margin-top: 0.75rem;
    border-top: 1px solid var(--border);
    padding-top: 0.75rem;
}

.wall-loading {
    color: var(--text-muted);
    font-size: 0.75rem;
    font-style: italic;
}

.wall-empty {
    color: var(--text-muted);
    font-size: 0.8rem;
    text-align: center;
    padding: 1rem 0;
}

.wall-post {
    padding: 0.6rem 0;
    border-bottom: 1px solid var(--border);
    animation: fadeIn 0.3s ease;
}

.wall-post:last-child {
    border-bottom: none;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-4px); }
    to { opacity: 1; transform: translateY(0); }
}

.wall-post-header {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    margin-bottom: 0.2rem;
    flex-wrap: wrap;
}

.wall-post-name {
    font-weight: 600;
    font-size: 0.75rem;
    color: var(--text);
}

.wall-post-tag {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.55rem;
    padding: 0.1rem 0.35rem;
    border-radius: 100px;
    background: var(--accent-dim);
    color: var(--accent);
}

.wall-post-tag.tag-hi { background: var(--accent-dim); color: var(--accent); }
.wall-post-tag.tag-suggestion { background: rgba(96, 165, 250, 0.1); color: #60a5fa; }
.wall-post-tag.tag-feedback { background: rgba(251, 191, 36, 0.1); color: #fbbf24; }

.wall-post-time {
    font-size: 0.6rem;
    color: var(--text-muted);
    margin-left: auto;
    font-family: 'JetBrains Mono', monospace;
}

.wall-post-body {
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.4;
}

/* CTA Button */
.cta-button {
    display: inline-block;
    padding: 0.75rem 1.75rem;
    background: var(--accent);
    color: var(--bg);
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-family: 'Inter', sans-serif;
    transition: opacity 0.2s;
}

.cta-button:hover {
    opacity: 0.85;
}

.cta-disabled {
    background: var(--border);
    color: var(--text-muted);
    cursor: default;
    pointer-events: none;
}

/* Footer */
footer {
    text-align: center;
    padding: 1.5rem;
    border-top: 1px solid var(--border);
    width: 100%;
}

footer p {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-family: 'JetBrains Mono', monospace;
}

/* Responsive */
@media (max-width: 768px) {
    .layout {
        flex-direction: column;
        padding: 1.5rem 1rem 3rem;
    }

    .main {
        max-width: 100%;
    }

    .wall-sidebar {
        width: 100%;
        position: static;
        max-height: 400px;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero .subtitle {
        font-size: 1rem;
    }

    .card {
        padding: 1.25rem;
    }
}