:root {
    --bg: #0d0b1a;
    --surface: #161229;
    --border: #231e3d;
    --text: #e2dff0;
    --muted: #7a749b;
    --accent: #4ade80;
    --accent-hover: #22c55e;
}

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

body {
    font-family: 'Roboto', sans-serif;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.5;
    min-height: 100vh;
}

.hub {
    max-width: 720px;
    margin: 0 auto;
    padding: 64px 24px;
}

.hub-header {
    margin-bottom: 48px;
}

.hub-header h1 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 4px;
}

.hub-header p {
    font-size: 16px;
    color: var(--muted);
}

.project-grid {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.project-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    text-decoration: none;
    color: inherit;
    transition: border-color 0.2s, transform 0.2s;
}

.project-card:hover {
    border-color: var(--accent);
    transform: translateY(-1px);
}

.project-icon {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    flex-shrink: 0;
}

.sheets-icon-bg {
    background:
        repeating-linear-gradient(
            to right,
            transparent,
            transparent 13px,
            rgba(189, 211, 182, 0.15) 13px,
            rgba(189, 211, 182, 0.15) 14px
        ),
        repeating-linear-gradient(
            to bottom,
            transparent,
            transparent 13px,
            rgba(189, 211, 182, 0.15) 13px,
            rgba(189, 211, 182, 0.15) 14px
        ),
        #1a2e1a;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.sheets-icon-img {
    width: 36px;
    height: 36px;
    object-fit: contain;
}

.project-info {
    flex: 1;
    min-width: 0;
}

.project-info h2 {
    font-size: 18px;
    font-weight: 500;
    margin-bottom: 2px;
}

.project-info p {
    font-size: 14px;
    color: var(--muted);
}

.project-icon-placeholder {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--border);
    color: var(--muted);
    font-size: 28px;
}

.project-arrow {
    color: var(--accent);
    flex-shrink: 0;
}

.project-card.disabled {
    pointer-events: none;
    cursor: default;
    position: relative;
    overflow: hidden;
}

.project-card.disabled::after {
    content: '';
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(
        -45deg,
        transparent,
        transparent 6px,
        rgba(122, 116, 155, 0.08) 6px,
        rgba(122, 116, 155, 0.08) 7px
    );
    border-radius: 16px;
    pointer-events: none;
}

.platform-icons {
    display: flex;
    gap: 4px;
    flex-shrink: 0;
}

.platform-icon {
    font-size: 20px;
    color: var(--muted);
}

.badge {
    font-size: 12px;
    padding: 4px 10px;
    border-radius: 100px;
    background: var(--border);
    color: var(--muted);
    white-space: nowrap;
    flex-shrink: 0;
}

@media (max-width: 600px) {
    .hub {
        padding: 40px 16px;
    }

    .hub-header h1 {
        font-size: 28px;
    }
}
