/* ==================================
   layout.css - Navigation, Main, Sections
   ================================== */

/* Side Navigation */
.side-nav {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: var(--nav-width);
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 24px 0;
    z-index: 100;
}

.nav-dots {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.nav-dot {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    color: var(--text-tertiary);
    font-size: 0.75rem;
    font-weight: 500;
    position: relative;
}

.nav-dot::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 0;
    background: var(--accent);
    border-radius: 0 2px 2px 0;
    transition: height 0.2s ease;
}

.nav-dot:hover {
    color: var(--text-secondary);
    background: var(--bg-card);
}

.nav-dot.active {
    color: var(--accent);
    background: var(--accent-dim);
}

.nav-dot.active::before {
    height: 20px;
}

.nav-tooltip {
    position: absolute;
    left: 54px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.8rem;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s, transform 0.2s;
    transform: translateX(-8px);
}

.nav-dot:hover .nav-tooltip {
    opacity: 1;
    transform: translateX(0);
}

.social-links {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
    margin: 0 12px;
}

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-tertiary);
    transition: all 0.2s ease;
    text-decoration: none;
}

.social-link:hover {
    color: var(--text-primary);
    background: var(--bg-card);
}

.social-link svg {
    width: 20px;
    height: 20px;
}

/* Header controls */
.header-controls {
    position: fixed;
    top: 20px;
    right: 24px;
    display: flex;
    gap: 12px;
    z-index: 100;
}

.control-btn {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 8px 14px;
    border-radius: 8px;
    cursor: pointer;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    font-weight: 500;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 4px;
}

.control-btn:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    color: var(--text-primary);
}

.control-btn kbd {
    background: var(--bg-secondary);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.65rem;
    color: var(--text-tertiary);
}

.cmd-mac-icon,
.cmd-win-icon {
    display: none;
}

.is-mac .cmd-mac-icon {
    display: inline;
}

.is-win .cmd-win-icon {
    display: inline;
}

/* Main content */
main {
    margin-left: var(--nav-width);
    min-height: 100vh;
}

section {
    min-height: 100vh;
    padding: 80px 60px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    max-width: 900px;
    margin: 0 auto;
}

.section-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 40px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.section-label::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-color);
}

/* Responsive */
@media (max-width: 768px) {
    .side-nav {
        display: none;
    }

    main {
        margin-left: 0;
    }

    section {
        padding: 60px 24px;
    }

    .header-controls {
        right: 16px;
    }

    #cmdBtn {
        display: none;
    }
}

/* Footer */
.site-footer {
    padding: 40px 60px;
    border-top: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

.footer-content {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-tertiary);
    font-size: 0.85rem;
}

.luciano-brand {
    color: var(--accent);
    font-weight: 600;
    font-family: 'JetBrains Mono', monospace;
}

@media (max-width: 768px) {
    .site-footer {
        padding: 30px 24px;
    }

    .footer-content {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }
}