/* SnapUtils Hamburger Navigation — shared across all pages */

.hamburger-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    background: transparent;
    border: 1px solid var(--border, #2a2a30);
    border-radius: 8px;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
    position: relative;
    transition: background 0.15s, border-color 0.15s;
    flex-shrink: 0;
}

.hamburger-btn:hover {
    background: var(--surface-2, #1a1a1e);
    border-color: var(--text-muted, #8b8b96);
}

.hamburger-btn[aria-expanded="true"] {
    background: var(--surface-2, #1a1a1e);
    border-color: var(--accent, #00e599);
}

/* Three-line icon */
.hamburger-icon {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 4px;
    width: 18px;
    height: 18px;
}

.hamburger-icon span {
    display: block;
    width: 16px;
    height: 2px;
    background: var(--text, #e8e8ec);
    border-radius: 1px;
    transition: transform 0.25s ease, opacity 0.2s ease;
}

/* Animate to X on open */
.hamburger-btn[aria-expanded="true"] .hamburger-icon span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
}
.hamburger-btn[aria-expanded="true"] .hamburger-icon span:nth-child(2) {
    opacity: 0;
}
.hamburger-btn[aria-expanded="true"] .hamburger-icon span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
}

/* Dropdown */
.hamburger-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    width: 240px;
    background: var(--surface, #131315);
    border: 1px solid var(--border, #2a2a30);
    border-radius: 12px;
    padding: 8px;
    box-shadow: 0 12px 40px rgba(0,0,0,0.5);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
    z-index: 1002;
}

.hamburger-dropdown.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.hamburger-dropdown a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    color: var(--text-muted, #8b8b96);
    text-decoration: none;
    font-family: 'DM Sans', sans-serif;
    font-size: 0.85rem;
    border-radius: 8px;
    transition: background 0.12s, color 0.12s;
}

.hamburger-dropdown a:hover {
    background: var(--surface-2, #1a1a1e);
    color: var(--text, #e8e8ec);
}

.hamburger-dropdown a.active {
    color: var(--accent, #00e599);
    background: var(--accent-dim, rgba(0,229,153,0.12));
}

.hamburger-dropdown .tool-icon {
    font-size: 1rem;
    width: 20px;
    text-align: center;
    flex-shrink: 0;
}

.hamburger-dropdown .divider {
    height: 1px;
    background: var(--border, #2a2a30);
    margin: 6px 4px;
}

/* Backdrop overlay for mobile */
.hamburger-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s;
}

.hamburger-backdrop.open {
    opacity: 1;
    visibility: visible;
}

/* Wrapper for absolute positioning */
.hamburger-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    margin-left: auto;
}

/* Desktop: show hamburger alongside nav links */
@media (min-width: 769px) {
    .hamburger-wrapper {
        margin-left: 1rem;
    }
}

/* Mobile: hamburger is the primary nav */
@media (max-width: 768px) {
    .hamburger-wrapper {
        margin-left: auto;
    }

    .hamburger-dropdown {
        position: fixed;
        top: 56px;
        right: 12px;
        left: 12px;
        width: auto;
        max-height: calc(100vh - 80px);
        overflow-y: auto;
    }
}

/* Focus visible for keyboard nav */
.hamburger-btn:focus-visible {
    outline: 2px solid var(--accent, #00e599);
    outline-offset: 2px;
}

.hamburger-dropdown a:focus-visible {
    outline: 2px solid var(--accent, #00e599);
    outline-offset: -2px;
    background: var(--surface-2, #1a1a1e);
    color: var(--text, #e8e8ec);
}