.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: var(--sidebar-width, 280px);
    height: 100vh;
    height: 100dvh;
    background-color: var(--color-bg-secondary);
    border-right: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    padding: 2rem 0 1.5rem;
    overflow-y: auto;
    overflow-x: hidden;
    overscroll-behavior: contain;
    z-index: 1000;
    transition: transform var(--transition-speed) var(--transition-easing);
}

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

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

    .sidebar::-webkit-scrollbar-thumb {
        background: rgba(255, 255, 255, 0.08);
        border-radius: 2px;
    }

.profile-section {
    padding: 0 1.5rem;
    margin-bottom: 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}

.profile-image-container {
    width: 130px;
    height: 130px;
    border-radius: 50%;
    overflow: hidden;
    border: 2px solid var(--color-accent-red);
    box-shadow: 0 0 20px rgba(255, 23, 68, 0.25);
    flex-shrink: 0;
}

.profile-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.sidebar-role-title {
    font-size: 0.95rem;
    color: var(--color-accent-red, #ff1744);
    font-weight: 600;
    text-align: center;
    margin: 0;
    letter-spacing: 0.5px;
}

.nav-menu {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: 0 0.75rem;
    margin-bottom: 1.5rem;
}

.nav-button {
    padding: 0.8rem 0.75rem;
    min-height: 44px;
    text-align: left;
    color: var(--color-text-tertiary);
    background-color: transparent;
    border-left: 3px solid transparent;
    border-radius: 0 8px 8px 0;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all var(--transition-speed) var(--transition-easing);
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

    .nav-button:hover {
        background-color: rgba(255, 255, 255, 0.04);
        color: var(--color-text-primary);
        border-left-color: rgba(255, 23, 68, 0.5);
    }

    .nav-button.active {
        background-color: rgba(255, 23, 68, 0.08);
        color: var(--color-text-primary);
        border-left-color: var(--color-accent-red);
    }

.cv-download-section {
    padding: 0 1.5rem;
    margin-bottom: auto;
}

.cv-download-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 0.75rem 1.25rem;
    min-height: 44px;
    background-color: var(--color-accent-red);
    color: #ffffff !important;
    text-align: center;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.875rem;
    letter-spacing: 0.3px;
    text-decoration: none;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
    transition: background-color var(--transition-speed) var(--transition-easing), box-shadow var(--transition-speed) var(--transition-easing), transform var(--transition-speed) var(--transition-easing);
}

@media (hover: hover) and (pointer: fine) {
    .cv-download-btn:hover {
        background-color: var(--color-accent-red-light);
        color: #ffffff !important;
        transform: translateY(-2px);
        box-shadow: 0 6px 16px rgba(255, 23, 68, 0.35);
    }
}

.cv-download-btn:focus {
    background-color: var(--color-accent-red);
    color: #ffffff !important;
    outline: 2px solid rgba(255, 23, 68, 0.5);
    outline-offset: 2px;
}

    .cv-download-btn:focus:not(:focus-visible) {
        outline: none;
    }

.cv-download-btn:active {
    background-color: var(--color-accent-red);
    color: #ffffff !important;
    transform: scale(0.97);
    box-shadow: none;
}

.social-links-sidebar {
    padding: 1.25rem 1.5rem 0;
    border-top: 1px solid var(--color-border);
    margin-top: 1.5rem;
}

    .social-links-sidebar h3 {
        font-size: 0.72rem;
        font-weight: 600;
        margin-bottom: 0.875rem;
        color: var(--color-text-tertiary);
        text-transform: uppercase;
        letter-spacing: 1.2px;
    }

.social-icons-container {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 0.5rem;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    aspect-ratio: 1;
    min-height: 40px;
    background-color: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    color: var(--color-text-tertiary);
    transition: all var(--transition-speed) var(--transition-easing);
    position: relative;
    -webkit-tap-highlight-color: transparent;
}

    .social-link svg,
    .social-link i {
        width: 20px;
        height: 20px;
        font-size: 20px;
        display: flex;
        align-items: center;
        justify-content: center;
        fill: currentColor;
        color: inherit;
        transition: all var(--transition-speed) var(--transition-easing);
        flex-shrink: 0;
        pointer-events: none;
    }

@media (hover: hover) and (pointer: fine) {
    .social-link:hover {
        background-color: var(--color-accent-red);
        border-color: var(--color-accent-red);
        color: #ffffff;
        transform: translateY(-3px);
        box-shadow: 0 6px 14px rgba(255, 23, 68, 0.3);
    }

        .social-link:hover::after {
            opacity: 1;
        }
}

.social-link:active {
    background-color: var(--color-accent-red);
    border-color: var(--color-accent-red);
    color: #ffffff;
    transform: scale(0.95);
}

.social-link::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    padding: 0.35rem 0.65rem;
    background-color: var(--color-bg-tertiary);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    font-size: 0.72rem;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
    z-index: 200;
}

.menu-toggle {
    display: none;
    position: fixed;
    top: 0.75rem;
    left: 0.75rem;
    z-index: 1002;
    width: 44px;
    height: 44px;
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    cursor: pointer;
    transition: background var(--transition-speed) var(--transition-easing);
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

    .menu-toggle span {
        display: block;
        width: 20px;
        height: 2px;
        background-color: var(--color-text-secondary);
        border-radius: 1px;
        transition: all var(--transition-speed) var(--transition-easing);
        pointer-events: none;
    }

    .menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .menu-toggle.active span:nth-child(2) {
        opacity: 0;
        transform: scaleX(0);
    }

    .menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

.menu-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.65);
    z-index: 999;
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
    cursor: pointer;
}

    .menu-overlay.active {
        display: block;
    }

html.menu-is-open {
    overflow: hidden;
    touch-action: none;
}

    html.menu-is-open body {
        overflow: hidden;
        overscroll-behavior: none;
    }

@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }

        .sidebar.active {
            transform: translateX(0);
        }

    .main-wrapper {
        margin-left: 0;
    }

    .menu-toggle {
        display: flex;
    }
}

@media (max-width: 480px) {
    .sidebar {
        width: 100%;
        max-width: 320px;
    }

    .profile-image-container {
        width: 100px;
        height: 100px;
    }
}