/* Base style for mobile close button (hidden on desktop) */
.mobile-close-btn {
    display: none;
    position: absolute;
    top: 16px;
    right: 16px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 8px;
    cursor: pointer;
    border-radius: 8px;
    align-items: center;
    justify-content: center;
    transition: background 0.2s ease, color 0.2s ease;
}

.mobile-close-btn:hover {
    background: var(--surface-hover);
    color: var(--text-primary);
}

/* ─── SIDEBAR ─── */
.sidebar {
    width: var(--sidebar-w);
    background: var(--bg-elevated);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    padding: 20px 0;
    height: 100vh;
    overflow-y: auto;
    flex-shrink: 0;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease;
    will-change: transform;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    margin-bottom: 16px;
}

.logo-icon {
    width: 28px;
    height: 28px;
    background: linear-gradient(135deg, var(--accent-purple), #5b4de0);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    box-shadow: 0 0 20px var(--accent-purple-glow);
}

.logo-name {
    font-size: 15px;
    font-weight: 600;
    letter-spacing: -0.3px;
    color: var(--text-primary);
}

.nav-section-label {
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 0.8px;
    text-transform: uppercase;
    color: var(--text-tertiary);
    padding: 4px 10px;
    margin-top: 8px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    margin: 1px 10px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 13.5px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    will-change: background-color, color;
}

.nav-item:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

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

.nav-item.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 16px;
    background: var(--accent-purple);
    border-radius: 0 2px 2px 0;
}

.nav-icon {
    font-size: 15px;
    opacity: 0.8;
    display: flex;
    align-items: center;
}

.nav-icon svg {
    width: 16px;
    height: 16px;
    stroke-width: 1.8;
}

.nav-badge {
    margin-left: auto;
    background: var(--bg-active);
    color: var(--text-tertiary);
    font-family: var(--mono);
    font-size: 10px;
    padding: 1px 6px;
    border-radius: 20px;
    border: 1px solid var(--border);
}

.sidebar-footer {
    margin-top: auto;
    padding-top: 12px;
    border-top: 1px solid var(--border-subtle);
}

.dev-credit {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    padding: 8px 10px 4px;
    cursor: default;
}

.dev-monogram {
    width: 22px;
    height: 22px;
    min-width: 22px;
    border-radius: 6px;
    background: linear-gradient(135deg, rgba(124, 108, 255, 0.15), rgba(62, 207, 142, 0.15));
    border: 1px solid rgba(124, 108, 255, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 8px;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: var(--text-tertiary);
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.dev-name {
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 0.2px;
    color: var(--text-tertiary);
    max-width: 0;
    overflow: hidden;
    white-space: nowrap;
    opacity: 0;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.dev-credit:hover .dev-monogram {
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
    border-color: transparent;
    color: #fff;
    box-shadow: 0 0 12px rgba(124, 108, 255, 0.3);
}

.dev-credit:hover .dev-name {
    max-width: 120px;
    opacity: 1;
    margin-left: 8px;
    background: linear-gradient(90deg, var(--accent-purple), var(--accent-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

@media (max-width: 768px) {
    .dev-name {
        max-width: 120px;
        opacity: 1;
        margin-left: 8px;
        background: linear-gradient(90deg, var(--accent-purple), var(--accent-green));
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }

    .dev-monogram {
        background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
        border-color: transparent;
        color: #fff;
    }
}

.user-card {
    display: flex;
    align-items: center;
    gap: 9px;
    padding: 8px 10px;
    border-radius: var(--radius-sm);
    cursor: pointer;
}

.user-card:hover {
    background: var(--bg-hover);
}

.avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: linear-gradient(135deg, #7c6cff, #3ecf8e);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 600;
    color: #fff;
}

.user-info {
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.user-name {
    font-size: 12.5px;
    font-weight: 500;
    color: var(--text-primary);
}

.user-sub {
    font-size: 10.5px;
    color: var(--text-tertiary);
}