/* ==========================================================================
   sidebar.css — Sidebar specific styling: nav, logo, toggle, hover-reveal
   ========================================================================== */

/* ========== SIDEBAR ========== */
#sidebar {
    position: fixed;
    top: 10px;
    left: 10px;
    bottom: 10px;
    width: 250px;
    z-index: 50;
    background: #0a0a0a;
    border: 1px solid #1e1e1e;
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    transform: translateX(0);
    transition: transform 0.45s cubic-bezier(0.34, 1.56, 0.64, 1);
    box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.03), 0 8px 40px rgba(0, 0, 0, 0.7);
    overflow: hidden;
}

#sidebar.collapsed {
    transform: translateX(-280px);
}

#sidebar.collapsed.hover-reveal {
    transform: translateX(0);
}

/* Hover trigger zone — invisible strip on the left edge */
#sidebar-hover-zone {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: 18px;
    z-index: 49;
    display: none;
}

#sidebar .logo {
    padding: 22px 20px 14px;
    border-bottom: 1px solid #1a1a1a;
    cursor: pointer;
}

#sidebar .logo:hover .logo-title {
    color: #facc15;
}

#sidebar .logo-title {
    font-family: 'Bricolage Grotesque', system-ui, sans-serif;
    font-size: 22px;
    font-weight: 700;
    color: #fafafa;
    letter-spacing: -0.02em;
    transition: color 0.2s ease;
}

#sidebar .logo-sub {
    font-size: 11px;
    color: #525252;
    margin-top: 2px;
    font-weight: 500;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

#sidebar .nav-section {
    padding: 8px 0 16px;
    flex: 1;
    overflow-y: auto;
}

#sidebar .nav-section::-webkit-scrollbar {
    width: 3px;
}

#sidebar .nav-section::-webkit-scrollbar-thumb {
    background: #2a2a2a;
    border-radius: 99px;
}

.sidebar-category {
    padding: 8px 22px 4px;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: #333;
    margin-top: 8px;
    font-family: 'Google Sans', 'DM Sans', sans-serif;
}

.sidebar-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 14px;
    margin: 0 8px;
    cursor: pointer;
    color: #737373;
    font-size: 13.5px;
    font-weight: 500;
    border-radius: 10px;
    border-left: none;
    transition: all 0.2s ease;
}

.sidebar-item:hover {
    color: #a3a3a3;
    background: #141414;
}

.sidebar-item.active {
    color: var(--accent);
    background: var(--accent-dim);
    box-shadow: inset 0 0 0 1px rgba(var(--accent-rgb), 0.15);
}

.sidebar-item .lang-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 5px;
}

/* ========== SIDEBAR GITHUB CREDIT ========== */
.sidebar-github {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px 20px;
    border-top: 1px solid #1a1a1a;
    color: #404040;
    font-family: 'Google Sans', 'DM Sans', sans-serif;
    font-size: 12px;
    font-weight: 500;
    text-decoration: none;
    transition: color 0.2s ease;
    flex-shrink: 0;
}

.sidebar-github:hover {
    color: #a3a3a3;
}

.sidebar-github svg {
    flex-shrink: 0;
    opacity: 0.6;
    transition: opacity 0.2s ease;
}

.sidebar-github:hover svg {
    opacity: 1;
}

/* ========== SIDEBAR TOGGLE ========== */
#sidebar-toggle {
    position: fixed;
    top: 20px;
    left: 273px;
    z-index: 60;
    width: 34px;
    height: 34px;
    border-radius: 10px;
    background: #0d0d0d;
    border: 1px solid #1e1e1e;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: #525252;
    transition: left 0.45s cubic-bezier(0.34, 1.56, 0.64, 1), background 0.2s ease, color 0.2s ease;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

#sidebar-toggle:hover {
    background: #171717;
    color: #d4d4d8;
}

#sidebar-toggle.sidebar-collapsed {
    left: 18px;
}